<?php
require __DIR__ . '/auth.php';
mvlog_require_login();
$config = require __DIR__ . "/config.php";
foreach (["videos_dir", "thumbs_dir", "uploads_dir"] as $d) if (!is_dir($config[$d])) mkdir($config[$d], 0775, true);
if (!is_dir(__DIR__ . "/cache")) mkdir(__DIR__ . "/cache", 0775, true);
const ARTICLE_ID_FILE = '.mvlog-id';
const MAP_HIDDEN_FILE = '.mvlog-hide-map';
const PERMALINK_FILE = '.mvlog-permalink';
function h($s){ return htmlspecialchars((string)$s, ENT_QUOTES, "UTF-8"); }
function ajax_json($data){ header('Content-Type: application/json; charset=UTF-8'); echo json_encode($data, JSON_UNESCAPED_UNICODE); exit; }
function lower_text($s){ return function_exists('mb_strtolower') ? mb_strtolower((string)$s, 'UTF-8') : strtolower((string)$s); }
function fold_text($s){
    $s = strtr((string)$s, [
        'æ'=>'ae','Æ'=>'ae','ø'=>'o','Ø'=>'o','å'=>'aa','Å'=>'aa',
        'ä'=>'ae','Ä'=>'ae','ö'=>'oe','Ö'=>'oe','ü'=>'ue','Ü'=>'ue','ß'=>'ss','ẞ'=>'ss',
        'č'=>'c','Č'=>'c','ć'=>'c','Ć'=>'c','ž'=>'z','Ž'=>'z','š'=>'s','Š'=>'s','đ'=>'d','Đ'=>'d',
    ]);
    if (function_exists('iconv')) {
        $x = @iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $s);
        if ($x !== false) $s = $x;
    }
    $s = lower_text($s);
    return preg_replace('/[^a-z0-9]+/', ' ', $s) ?? '';
}
function ci_contains($haystack, $needle){
    $haystack = (string)$haystack;
    $needle = (string)$needle;
    if ($needle === '') return true;
    if (function_exists('mb_stripos') && mb_stripos($haystack, $needle, 0, 'UTF-8') !== false) return true;
    if (strpos(lower_text($haystack), lower_text($needle)) !== false) return true;
    $foldHay = fold_text($haystack);
    $foldNeedle = trim(fold_text($needle));
    if ($foldNeedle === '') return false;
    return strpos($foldHay, $foldNeedle) !== false;
}
function ascii_safe($s){
    $s = strtr((string)$s, [
        'æ'=>'ae','Æ'=>'Ae','ø'=>'o','Ø'=>'O','å'=>'aa','Å'=>'Aa',
        'ä'=>'ae','Ä'=>'Ae','ö'=>'oe','Ö'=>'Oe','ü'=>'ue','Ü'=>'Ue','ß'=>'ss','ẞ'=>'SS',
        'č'=>'c','Č'=>'C','ć'=>'c','Ć'=>'C','ž'=>'z','Ž'=>'Z','š'=>'s','Š'=>'S','đ'=>'d','Đ'=>'D',
    ]);
    if (function_exists('iconv')) {
        $x = @iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $s);
        if ($x !== false) $s = $x;
    }
    return preg_replace('/[^\x20-\x7E]/', '', $s) ?? '';
}
function slugify($s){ $s = ascii_safe($s); $s = strtolower(trim($s)); $s = preg_replace('/[^a-z0-9]+/', '-', $s); return trim($s, '-') ?: 'movie'; }
function rrmdir($dir){ if(!is_dir($dir)) return; foreach(scandir($dir) as $f){ if($f==='.'||$f==='..') continue; $p="$dir/$f"; is_dir($p)?rrmdir($p):unlink($p);} rmdir($dir); }
function apply_thumbnail_overlay($imagePath, $title, $teaser) {
    $logFile = __DIR__ . '/logs/image_magick.log';
    file_put_contents($logFile, "--- New Thumbnail Job ---
", FILE_APPEND);

    $fontPath = __DIR__ . '/assets/fonts/IBMPlexSans-SemiBold.ttf';
    $titleFontPath = is_file(__DIR__ . '/assets/fonts/BebasNeue-Regular.ttf')
        ? __DIR__ . '/assets/fonts/BebasNeue-Regular.ttf'
        : $fontPath;
    $teaserFontPath = is_file(__DIR__ . '/assets/fonts/NotoSans-Bold.ttf')
        ? __DIR__ . '/assets/fonts/NotoSans-Bold.ttf'
        : $fontPath;
    if (!is_file($fontPath)) {
        throw new RuntimeException('Thumbnail font file is missing.');
    }

    $scale = 3;
    $baseW = 1200;
    $baseH = 630;
    $imgW = $baseW * $scale;
    $imgH = $baseH * $scale;
    $targetW = $baseW;
    $targetH = $baseH;

    $normalize = static function ($text): string {
        $text = trim((string)$text);
        if ($text === '') return '';
        $text = preg_replace('/\s+/u', ' ', $text) ?? $text;
        return trim($text);
    };
    $wrapText = static function ($text, int $width) use ($normalize): string {
        $text = $normalize($text);
        return $text === '' ? '' : wordwrap($text, $width, "
", false);
    };
    $clampWrappedText = static function ($text, int $width, int $maxLines, bool $cutLongWords = false) use ($normalize): string {
        $text = $normalize($text);
        if ($text === '') return '';
        $words = preg_split('/\s+/u', $text, -1, PREG_SPLIT_NO_EMPTY) ?: [];
        if (!$words) return '';
        $candidate = implode(' ', $words);
        while (true) {
            $wrapped = wordwrap($candidate, $width, "
", $cutLongWords);
            $lineCount = substr_count($wrapped, "
") + 1;
            if ($lineCount <= $maxLines || count($words) <= 1) return $wrapped;
            array_pop($words);
            $candidate = implode(' ', $words) . '…';
        }
    };
    $fitTitleText = static function ($text) use ($wrapText): array {
        $bestText = '';
        $bestSize = 95;
        $bestWidth = 28;
        $bestLines = 1;
        for ($size = 84; $size >= 54; $size -= 4) {
            $width = max(16, min(46, (int)round(23 + (84 - $size) / 2.7)));
            $candidate = $wrapText($text, $width);
            $lines = substr_count($candidate, "
") + 1;
            $bestText = $candidate;
            $bestSize = $size;
            $bestWidth = $width;
            $bestLines = $lines;
            if ($lines <= 2) break;
        }
        return [$bestText, $bestSize, $bestWidth, $bestLines];
    };

    [$titleText, $titleFontSizeBase, $titleWrapWidth, $titleLines] = $fitTitleText($title);
    $teaserText = $clampWrappedText($teaser, 34, 6, true);
    $teaserLines = max(1, substr_count($teaserText, "
") + 1);

    $baseLeft = max(14, (int)round($baseW * 0.046));
    $baseTitleY = max(20, (int)round($baseH * 0.062));
    $baseTitleLineStep = max(68, (int)round($baseH * 0.043));
    $baseTeaserY = max((int)round($baseH * 0.235), $baseTitleY + ($titleLines * $baseTitleLineStep) + max(54, (int)round($baseH * 0.03)));

    $left = $baseLeft * $scale;
    $titleY = $baseTitleY * $scale;
    $titleLineStep = $baseTitleLineStep * $scale;
    $teaserY = $baseTeaserY * $scale;
    $shadowOffset = 3 * $scale;
    $titleLineSpacing = 2 * $scale;
    $teaserLineSpacing = -18 * $scale;
    $titlePointSize = $titleFontSizeBase * $scale;
    $teaserPointSize = 58 * $scale;
    $shadowFill = 'rgba(0,0,0,0.35)';
    $titleFill = '#F3F4F6';
    $teaserFill = '#EADFC9';

    $overlayBase = tempnam(sys_get_temp_dir(), 'thumb_overlay_');
    $outputPath = dirname($imagePath) . '/' . basename($imagePath) . '.tmp.' . uniqid('', true) . '.jpg';
    if ($overlayBase === false) {
        throw new RuntimeException('Failed to create temporary thumbnail overlay file.');
    }
    $overlayPath = $overlayBase . '.png';
    @unlink($overlayBase);

    $cmd1 = sprintf(
        '/usr/bin/convert -size %dx%d xc:none -font %s -pointsize %d -fill %s -interline-spacing %d -gravity northwest -annotate +%d+%d %s -fill %s -annotate +%d+%d %s -font %s -pointsize %d -fill %s -interline-spacing %d -gravity northwest -annotate +%d+%d %s -fill %s -annotate +%d+%d %s %s 2>&1',
        $imgW,
        $imgH,
        escapeshellarg($titleFontPath),
        $titlePointSize,
        escapeshellarg($shadowFill),
        $titleLineSpacing,
        $left + $shadowOffset,
        $titleY + $shadowOffset,
        escapeshellarg($titleText),
        escapeshellarg($titleFill),
        $left,
        $titleY,
        escapeshellarg($titleText),
        escapeshellarg($teaserFontPath),
        $teaserPointSize,
        escapeshellarg($shadowFill),
        $teaserLineSpacing,
        $left + $shadowOffset,
        $teaserY + $shadowOffset,
        escapeshellarg($teaserText),
        escapeshellarg($teaserFill),
        $left,
        $teaserY,
        escapeshellarg($teaserText),
        escapeshellarg($overlayPath)
    );
    file_put_contents($logFile, "Overlay CMD: " . $cmd1 . "
", FILE_APPEND);
    $out1 = shell_exec($cmd1);
    file_put_contents($logFile, "Overlay Output: " . $out1 . "
", FILE_APPEND);
    if (!is_file($overlayPath) || filesize($overlayPath) < 100) {
        @unlink($overlayPath);
        @unlink($outputPath);
        throw new RuntimeException('Failed to render thumbnail overlay: ' . trim((string)$out1));
    }

    $maxBytes = 600 * 1024;
    $qualities = [96, 92, 88, 84, 80, 76, 72, 68, 64];
    $finalPath = '';
    $finalSize = 0;
    $finalOut = '';

    foreach ($qualities as $quality) {
        $attemptPath = dirname($imagePath) . '/' . basename($imagePath) . '.tmp.' . uniqid('', true) . '.jpg';
        $cmd2 = sprintf(
            '/usr/bin/convert -filter Lanczos -define filter:blur=0.85 %s -resize %dx%d^ -gravity center -extent %dx%d -modulate 70,82 %s -composite -resize %dx%d -gravity center -extent %dx%d -unsharp 0x0.75+0.75+0.008 -strip -interlace Plane -sampling-factor 4:2:0 -quality %d %s 2>&1',
            escapeshellarg($imagePath),
            $imgW,
            $imgH,
            $imgW,
            $imgH,
            escapeshellarg($overlayPath),
            $targetW,
            $targetH,
            $targetW,
            $targetH,
            $quality,
            escapeshellarg($attemptPath)
        );
        file_put_contents($logFile, "Composite CMD (q=$quality): " . $cmd2 . "
", FILE_APPEND);
        $out2 = shell_exec($cmd2);
        file_put_contents($logFile, "Composite Output (q=$quality): " . $out2 . "
", FILE_APPEND);

        if (!is_file($attemptPath) || filesize($attemptPath) < 100) {
            @unlink($attemptPath);
            $finalOut = trim((string)$out2);
            continue;
        }

        $finalPath = $attemptPath;
        $finalSize = filesize($attemptPath);
        $finalOut = trim((string)$out2);
        if ($finalSize <= $maxBytes) break;
    }

    if ($finalPath === '') {
        @unlink($overlayPath);
        @unlink($outputPath);
        throw new RuntimeException('Failed to compose thumbnail overlay: ' . $finalOut);
    }

    if ($finalSize > $maxBytes) {
        file_put_contents($logFile, "Thumbnail still above size limit: " . $finalSize . " bytes
", FILE_APPEND);
    }

    if (!@rename($finalPath, $imagePath)) {
        @unlink($overlayPath);
        @unlink($finalPath);
        throw new RuntimeException('Failed to replace thumbnail image.');
    }

    @unlink($overlayPath);
    @unlink($outputPath);
}

function input_dirs($base){ return glob($base.'/*', GLOB_ONLYDIR) ?: []; }
function safe_input_dir($base, $name){ $name = basename((string)$name); $path = realpath($base . '/' . $name); $root = realpath($base); if (!$path || !$root || !str_starts_with($path, $root . DIRECTORY_SEPARATOR) || !is_dir($path)) throw new RuntimeException('Invalid input directory.'); return $path; }
function article_id_is_valid($id){ return is_string($id) && preg_match('/^[0-9]{14}[a-f0-9]{16}$/', $id); }
function generate_article_id(){ return gmdate('YmdHis') . bin2hex(random_bytes(8)); }
function read_article_id($dir){
    $idFile = rtrim((string)$dir, '/').'/'.ARTICLE_ID_FILE;
    if (!is_file($idFile)) return '';
    $id = trim((string)file_get_contents($idFile));
    return article_id_is_valid($id) ? $id : '';
}
function write_article_id($dir, $id){
    if (!article_id_is_valid($id)) throw new RuntimeException('Invalid article id.');
    $idFile = rtrim((string)$dir, '/').'/'.ARTICLE_ID_FILE;
    $tmp = $idFile . '.tmp.' . bin2hex(random_bytes(4));
    if (file_put_contents($tmp, $id . "\n", LOCK_EX) === false) throw new RuntimeException('Cannot write article id.');
    @chmod($tmp, 0664);
    if (!rename($tmp, $idFile)) { @unlink($tmp); throw new RuntimeException('Cannot save article id.'); }
}
function ensure_article_id($dir, &$seenIds = null){
    $existing = read_article_id($dir);
    if ($existing !== '' && (!is_array($seenIds) || empty($seenIds[$existing]))) {
        if (is_array($seenIds)) $seenIds[$existing] = basename((string)$dir);
        return $existing;
    }
    do { $id = generate_article_id(); } while (is_array($seenIds) && !empty($seenIds[$id]));
    write_article_id($dir, $id);
    if (is_array($seenIds)) $seenIds[$id] = basename((string)$dir);
    return $id;
}
function article_index_signature($dirs){
    $names = array_map('basename', $dirs);
    sort($names, SORT_STRING);
    $parts = [];
    foreach ($names as $name) $parts[] = $name;
    return hash('sha256', implode("\n", $parts));
}
function load_articles_index($base, $dirs = null){
    if ($dirs === null) $dirs = input_dirs($base);
    $cacheFile = __DIR__ . '/cache/articles-index.json';
    $signature = article_index_signature($dirs);
    $cache = is_file($cacheFile) ? json_decode((string)file_get_contents($cacheFile), true) : [];
    if (is_array($cache)
        && ($cache['version'] ?? 0) === 1
        && ($cache['signature'] ?? '') === $signature
        && is_array($cache['by_id'] ?? null)
        && is_array($cache['by_dir'] ?? null)
        && !in_array('', $cache['by_dir'], true)) {
        return $cache;
    }

    $byId = [];
    $byDir = [];
    foreach ($dirs as $dir) {
        $name = basename((string)$dir);
        $id = read_article_id($dir);
        if ($id === '' || !empty($byId[$id])) {
            $id = ensure_article_id($dir, $byId);
        }
        if ($id !== '' && empty($byId[$id])) $byId[$id] = $name;
        $byDir[$name] = $id;
    }
    ksort($byId, SORT_STRING);
    ksort($byDir, SORT_STRING);
    $out = [
        'version' => 1,
        'generated_at' => date('c'),
        'signature' => $signature,
        'by_id' => $byId,
        'by_dir' => $byDir,
    ];
    file_put_contents($cacheFile, json_encode($out, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT), LOCK_EX);
    return $out;
}
function resolve_input_dir($base, $idOrDir, $articleIndex = null){
    $token = trim((string)$idOrDir);
    if ($token === '') throw new RuntimeException('Invalid input directory.');
    if ($articleIndex === null) $articleIndex = load_articles_index($base);
    if (article_id_is_valid($token)) {
        $name = (string)($articleIndex['by_id'][$token] ?? '');
        if ($name !== '') return safe_input_dir($base, $name);
    }
    return safe_input_dir($base, $token);
}
function resolve_input_dir_from_request($base, $id, $dir, $articleIndex = null){
    $id = trim((string)$id);
    $dir = trim((string)$dir);
    if ($id !== '') {
        try { return resolve_input_dir($base, $id, $articleIndex); }
        catch (Throwable $e) { if ($dir !== '') return resolve_input_dir($base, $dir, $articleIndex); throw $e; }
    }
    return resolve_input_dir($base, $dir, $articleIndex);
}
function read_data($dir){
    $data = ['title'=>'','teaser'=>'','quote_da'=>'','date'=>'','place'=>'','description'=>'','captions'=>[],'video_audio'=>[]]; $file = $dir . '/data.txt';
    if (!is_file($file)) return $data;
    $lines = file($file, FILE_IGNORE_NEW_LINES);
    for ($i = 0; $i < count($lines); $i++) {
        $line = trim($lines[$i]);
        if ($line === '' || str_starts_with($line, '#') || !str_contains($line, ':')) continue;
        [$key, $value] = array_map('trim', explode(':', $line, 2));
        $low = strtolower($key);
        if ($value === '|' && in_array($low, ['description','desc','synopsis'], true)) {
            $block = [];
            while ($i + 1 < count($lines)) {
                $next = $lines[$i + 1];
                if (trim($next) !== '' && $next[0] !== ' ' && $next[0] !== "\t") break;
                $i++;
                if (str_starts_with($next, '  ')) $next = substr($next, 2);
                elseif (str_starts_with($next, ' ') || str_starts_with($next, "\t")) $next = substr($next, 1);
                $block[] = rtrim($next);
            }
            $data['description'] = trim(implode("\n", $block));
        } elseif (in_array($low, ['title','name'], true)) $data['title'] = $value;
        elseif (in_array($low, ['teaser','tagline','subtitle'], true)) $data['teaser'] = $value;
        elseif ($low === 'quote_da') $data['quote_da'] = trim($value, "\"“”");
        elseif (in_array($low, ['date','dates','when'], true)) $data['date'] = $value;
        elseif (in_array($low, ['place','location','where'], true)) $data['place'] = $value;
        elseif (in_array($low, ['description','desc','synopsis'], true)) $data['description'] = $value;
        elseif (str_ends_with($low, ' audio')) { $fileKey = trim(substr($key, 0, -6)); if ($fileKey !== '' && in_array(strtolower($value), ['1','yes','true','on'], true)) $data['video_audio'][$fileKey] = true; }
        elseif ($key !== '') $data['captions'][$key] = $value;
    }
    return $data;
}
function write_data($dir, $post){
    $title = trim($post['title'] ?? '');
    $teaser = trim($post['teaser'] ?? '');
    $quote_da = trim($post['quote_da'] ?? '');
    $place = trim($post['place'] ?? '');
    $date = trim($post['date'] ?? '');
    $description = trim($post['description'] ?? '');
    if (function_exists('mb_substr')) $description = mb_substr($description, 0, 5000, 'UTF-8'); else $description = substr($description, 0, 5000);
    $lines = [];
    if ($title !== '') $lines[] = 'Title: ' . $title;
    if ($teaser !== '') $lines[] = 'Teaser: ' . $teaser;
    if ($quote_da !== '') $lines[] = 'Quote_da: ' . trim($quote_da, "\"“”");
    if ($place !== '') $lines[] = 'Location: ' . $place;
    if ($date !== '') $lines[] = 'Date: ' . $date;
    if ($description !== '') {
        $lines[] = 'Description: |';
        $description = str_replace(["\r\n", "\r"], "\n", $description);
        foreach (explode("\n", $description) as $descLine) $lines[] = '  ' . rtrim($descLine);
    }
    $useAudioFiles = $post['use_audio_files'] ?? [];
    $useAudio = is_array($useAudioFiles) ? array_flip(array_map('basename', array_map('strval', $useAudioFiles))) : [];
    foreach (array_keys($useAudio) as $fileName) if ($fileName !== '') $lines[] = $fileName . ' audio: yes';
    $captionFiles = $post['caption_files'] ?? [];
    $captions = $post['captions'] ?? [];
    if (is_array($captionFiles) && is_array($captions)) {
        foreach ($captionFiles as $i => $fileName) {
            $fileName = basename((string)$fileName);
            $caption = trim((string)($captions[$i] ?? ''));
            if ($fileName !== '' && $caption !== '') $lines[] = $fileName . ': ' . $caption;
        }
    }
    file_put_contents($dir . '/data.txt', implode("\n", $lines) . "\n");
}
function editable_file($f){ $ext = strtolower(pathinfo((string)$f, PATHINFO_EXTENSION)); return $f !== '' && $f[0] !== '.' && $f !== 'data.txt' && in_array($ext, ['jpg','jpeg','png','webp','gif','mp4','mov','m4v','avi','mkv','webm','mp3','wav','m4a','aac','ogg','flac'], true); }
function natural_file_compare($a, $b){ return strnatcasecmp((string)$a, (string)$b); }

function is_visual_media_file($name){
    $ext = strtolower(pathinfo((string)$name, PATHINFO_EXTENSION));
    return in_array($ext, ['jpg','jpeg','png','webp','gif','mp4','mov','m4v','avi','mkv','webm'], true);
}

function parse_date_from_filename($path) {
    $filename = basename($path);
    if (!preg_match('/(?:^|[^0-9])(\\d{8})[_-]?(\\d{6})(?:[^0-9]|$)/', $filename, $m)) {
        return null;
    }
    $y = (int)substr($m[1], 0, 4);
    $mo = (int)substr($m[1], 4, 2);
    $d = (int)substr($m[1], 6, 2);
    $hh = (int)substr($m[2], 0, 2);
    $mi = (int)substr($m[2], 2, 2);
    $ss = (int)substr($m[2], 4, 2);
    if (!checkdate($mo, $d, $y) || $hh > 23 || $mi > 59 || $ss > 59) {
        return null;
    }
    return $m[1] . $m[2];
}

function mvlog_local_timezone(){
    static $tz = null;
    if ($tz instanceof DateTimeZone) return $tz;

    $name = trim((string)@file_get_contents('/etc/timezone'));
    if ($name === '') $name = (string)date_default_timezone_get();
    if ($name === '') $name = 'UTC';

    try { $tz = new DateTimeZone($name); }
    catch (Throwable $e) { $tz = new DateTimeZone('UTC'); }

    return $tz;
}

function parse_embedded_datetime_to_local($value){
    $value = trim((string)$value);
    if ($value === '') return null;

    try {
        $dt = new DateTimeImmutable($value);
        return $dt->setTimezone(mvlog_local_timezone())->format('YmdHis');
    } catch (Throwable $e) {
        return null;
    }
}

function media_file_date($path){
    $ext = strtolower(pathinfo((string)$path, PATHINFO_EXTENSION));

    // Priority 2: Exif/embedded metadata
    if (in_array($ext, ['jpg','jpeg','tif','tiff'], true) && function_exists('exif_read_data')) {
        $exif = @exif_read_data($path);
        foreach (['DateTimeOriginal','DateTimeDigitized','DateTime'] as $k) {
            $value = (string)($exif[$k] ?? '');
            if ($value !== '' && preg_match('/^(\\d{4}):(\\d{2}):(\\d{2})(?:\\s+(\\d{2}):(\\d{2}):(\\d{2}))?/', $value, $m)) {
                $date = $m[1] . $m[2] . $m[3];
                $time = isset($m[4]) ? ($m[4] . $m[5] . $m[6]) : '000000';
                return $date . $time;
            }
        }
    }

    if (in_array($ext, ['mp4','mov','m4v','avi','mkv','webm'], true)) {
        $ffprobe = trim((string)shell_exec('command -v ffprobe 2>/dev/null'));
        if ($ffprobe !== '') {
            $json = shell_exec(escapeshellarg($ffprobe).' -v quiet -print_format json -show_entries format_tags=creation_time:stream_tags=creation_time '.escapeshellarg($path).' 2>/dev/null');
            $data = json_decode((string)$json, true);
            $candidates = [];
            if (is_array($data['format']['tags'] ?? null)) $candidates[] = (string)($data['format']['tags']['creation_time'] ?? '');
            foreach (($data['streams'] ?? []) as $stream) if (is_array($stream['tags'] ?? null)) $candidates[] = (string)($stream['tags']['creation_time'] ?? '');
            foreach ($candidates as $value) {
                $normalized = parse_embedded_datetime_to_local($value);
                if ($normalized !== null) {
                    return $normalized;
                }
                if (preg_match('/^(\\d{4})-(\\d{2})-(\\d{2})/', $value, $m)) {
                    return $m[1].$m[2].$m[3].'000000';
                }
            }
        }
    }

    // Priority 3: filename parsing
    $from_filename = parse_date_from_filename($path);
    if ($from_filename) {
        return $from_filename;
    }

    return null;
}

function media_sort_datetime($path){
    return media_file_date($path) ?? date('YmdHis', filemtime($path));
}

function list_files($dir){
    $files = array_values(array_filter(scandir($dir), fn($f)=>editable_file($f) && is_file($dir.'/'.$f)));
    $orderFile = $dir . '/order.json';

    $media = [];
    $other = [];
    foreach ($files as $name) {
        if (is_visual_media_file($name)) $media[] = $name;
        else $other[] = $name;
    }

    // Priority 1: explicit order file, but regenerate if file set changed.
    if (is_file($orderFile)) {
        $order = json_decode((string)file_get_contents($orderFile), true);
        if (is_array($order)) {
            $mediaSet = array_fill_keys($media, true);
            $orderSet = [];
            $sortedMedia = [];

            foreach ($order as $name) {
                if (!is_string($name) || !is_visual_media_file($name)) continue;
                if (isset($mediaSet[$name]) && !isset($orderSet[$name])) {
                    $orderSet[$name] = true;
                    $sortedMedia[] = $name;
                }
            }

            $sameSet = (count($orderSet) === count($mediaSet));
            if ($sameSet) {
                foreach ($mediaSet as $name => $_) {
                    if (!isset($orderSet[$name])) {
                        $sameSet = false;
                        break;
                    }
                }
            }

            if ($sameSet) {
                return array_merge($sortedMedia, $other);
            }
        }
    }

    // Missing/invalid/stale order.json: sort by datetime and recreate order.json
    usort($media, function($a, $b) use ($dir) {
        $da = media_sort_datetime($dir . '/' . $a);
        $db = media_sort_datetime($dir . '/' . $b);
        if ($da === $db) return 0; // never fallback to filename ordering
        return strcmp($da, $db);
    });

    file_put_contents($orderFile, json_encode(array_values($media), JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));
    @chmod($orderFile, 0664);

    return array_merge($media, $other);
}

function media_sort_files($dir, $files){
    return list_files($dir);
}
function visual_order_files($dir){
    $all = list_files($dir);
    return array_values(array_filter($all, fn($name)=>is_visual_media_file($name)));
}
function write_visual_order($dir, $order){
    $clean = [];
    $seen = [];
    foreach ((array)$order as $name) {
        if (!is_string($name)) continue;
        $name = basename($name);
        if (!is_visual_media_file($name) || isset($seen[$name])) continue;
        if (!is_file($dir . '/' . $name)) continue;
        $seen[$name] = true;
        $clean[] = $name;
    }
    file_put_contents($dir . '/order.json', json_encode(array_values($clean), JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));
    @chmod($dir . '/order.json', 0664);
    return $clean;
}
function move_visual_file_order($dir, $file, $direction){
    $file = basename((string)$file);
    if (!is_visual_media_file($file) || !is_file($dir . '/' . $file)) throw new RuntimeException('Invalid media file for reordering.');
    $direction = strtolower(trim((string)$direction));
    if (!in_array($direction, ['up','down'], true)) throw new RuntimeException('Invalid move direction.');

    $order = visual_order_files($dir);
    $idx = array_search($file, $order, true);
    if ($idx === false) throw new RuntimeException('File not found in visual order.');

    $newIdx = $idx;
    if ($direction === 'up' && $idx > 0) {
        [$order[$idx - 1], $order[$idx]] = [$order[$idx], $order[$idx - 1]];
        $newIdx = $idx - 1;
    } elseif ($direction === 'down' && $idx < count($order) - 1) {
        [$order[$idx], $order[$idx + 1]] = [$order[$idx + 1], $order[$idx]];
        $newIdx = $idx + 1;
    }

    write_visual_order($dir, $order);
    return [
        'changed' => $newIdx !== $idx,
        'index' => $newIdx,
        'count' => count($order),
    ];
}
function input_dir_date_from_media($dir){
    $dates = [];
    foreach (list_files($dir) as $file) {
        $date = media_file_date($dir . '/' . $file);
        if ($date !== null) $dates[] = $date;
    }
    if ($dates) {
        sort($dates, SORT_STRING);
        return $dates[0];
    }
    return date('Ymd');
}
function input_dir_date_from_text($text){
    $text = trim((string)$text);
    if ($text === '') return null;
    if (preg_match('/^(\d{4})[.-]?(\d{2})[.-]?(\d{2})$/', $text, $m) && checkdate((int)$m[2], (int)$m[3], (int)$m[1])) return "$m[1]$m[2]$m[3]";
    if (preg_match('/^(\d{1,2})[\/. -](\d{1,2})[\/. -](\d{4})$/', $text, $m) && checkdate((int)$m[2], (int)$m[1], (int)$m[3])) return sprintf('%04d%02d%02d', $m[3], $m[2], $m[1]);
    $ts = strtotime($text);
    if ($ts !== false) return date('Ymd', $ts);
    if (preg_match('/^(jan|january|feb|february|mar|march|apr|april|may|jun|june|jul|july|aug|august|sep|sept|september|oct|october|nov|november|dec|december)\s+(\d{4})$/i', $text, $m)) {
        $months = ['jan'=>1,'january'=>1,'feb'=>2,'february'=>2,'mar'=>3,'march'=>3,'apr'=>4,'april'=>4,'may'=>5,'jun'=>6,'june'=>6,'jul'=>7,'july'=>7,'aug'=>8,'august'=>8,'sep'=>9,'sept'=>9,'september'=>9,'oct'=>10,'october'=>10,'nov'=>11,'november'=>11,'dec'=>12,'december'=>12];
        return sprintf('%04d%02d01', (int)$m[2], $months[strtolower($m[1])]);
    }
    return null;
}
function unique_input_dir($base, $slug){
    $dir = $base . '/' . $slug;
    if (!file_exists($dir)) return $dir;
    for ($i = 2; ; $i++) {
        $candidate = $base . '/' . $slug . '-' . $i;
        if (!file_exists($candidate)) return $candidate;
    }
}
function input_dir_signature($dir){
    $script = <<<'PY'
import hashlib, json, os, sys
root = sys.argv[1]
entries = []
for dirpath, dirnames, filenames in os.walk(root):
    dirnames[:] = [d for d in dirnames if d != '.movmaker-lock']
    for name in filenames:
        if name in {'.movmaker-state.json', '.movmaker-enabled', '.movmaker-preview', '.mvlog-hidden', '.mvlog-permalink', '.mvlog-id', '.mvlog-hide-map'}:
            continue
        path = os.path.join(dirpath, name)
        rel = os.path.relpath(path, root)
        st = os.stat(path)
        mtime_ns = getattr(st, 'st_mtime_ns', int(st.st_mtime * 1_000_000_000))
        entries.append([rel, st.st_size, mtime_ns])
entries.sort()
print(hashlib.sha256(json.dumps(entries, ensure_ascii=False, separators=(',', ':')).encode('utf-8')).hexdigest())
PY;
    $cmd = 'python3 -c ' . escapeshellarg($script) . ' ' . escapeshellarg($dir);
    $output = trim(shell_exec($cmd) ?? '');
    return $output !== '' ? $output : '';
}
function input_dir_info($dir){
    $data = read_data($dir);
    $files = list_files($dir);
    return [
        'name' => basename($dir),
        'article_id' => ensure_article_id($dir),
        'title' => $data['title'] ?: basename($dir),
        'sort_date' => input_dir_date_from_text($data['date'] ?? '') ?? input_dir_date_from_media($dir),
        'file_count' => count($files),
        'signature' => input_dir_signature($dir),
    ];
}
function load_input_dir_cache($dirs){
    $cacheFile = __DIR__ . '/cache/input-dirs.json';
    $cache = is_file($cacheFile) ? json_decode((string)file_get_contents($cacheFile), true) : [];
    if (!is_array($cache) || ($cache['version'] ?? 0) !== 1) $cache = ['version'=>1,'items'=>[]];
    $oldItems = is_array($cache['items'] ?? null) ? $cache['items'] : [];
    $items = []; $changed = false;
    foreach ($dirs as $dir) {
        $name = basename($dir);
        $sig = input_dir_signature($dir);
        $cached = $oldItems[$name] ?? null;
        if (is_array($cached) && ($cached['signature'] ?? '') === $sig && !empty($cached['article_id'])) {
            $items[$name] = $cached;
        } else {
            $items[$name] = input_dir_info($dir);
            $changed = true;
        }
    }
    if (array_diff(array_keys($oldItems), array_keys($items))) $changed = true;
    if ($changed) file_put_contents($cacheFile, json_encode(['version'=>1,'generated_at'=>date('c'),'items'=>$items], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT), LOCK_EX);
    return $items;
}
function sort_input_dirs_by_metadata_date(&$dirs, $dirInfo){
    usort($dirs, function($a, $b) use ($dirInfo) {
        $ad = $dirInfo[basename($a)]['sort_date'] ?? '00000000';
        $bd = $dirInfo[basename($b)]['sort_date'] ?? '00000000';
        $cmp = strcmp($bd, $ad);
        return $cmp !== 0 ? $cmp : strnatcasecmp(basename($b), basename($a));
    });
}
function orphan_videos($config){
    $referenced = [];
    foreach (input_dirs($config['uploads_dir']) as $dir) {
        $stateFile = $dir . '/.movmaker-state.json';
        $state = is_file($stateFile) ? json_decode((string)file_get_contents($stateFile), true) : [];
        if (is_array($state) && !empty($state['output'])) $referenced[basename((string)$state['output'])] = true;
    }
    $videos = glob($config['videos_dir'].'/*.{mp4,webm,mov,m4v}', GLOB_BRACE) ?: [];
    return array_values(array_filter($videos, fn($v)=>empty($referenced[basename($v)])));
}
function input_dir_status($dir){
    $stateFile = $dir . '/.movmaker-state.json';
    $lockDir = $dir . '/.movmaker-lock';
    $state = is_file($stateFile) ? json_decode((string)file_get_contents($stateFile), true) : [];
    $status = is_array($state) ? (string)($state['status'] ?? '') : '';
    if (is_dir($lockDir)) return $status !== '' ? $status : 'processing';
    return in_array($status, ['processing', 'stale', 'error'], true) ? $status : '';
}
function input_dir_running($dir){
    $stateFile = $dir . '/.movmaker-state.json';
    $lockDir = $dir . '/.movmaker-lock';
    $state = is_file($stateFile) ? json_decode((string)file_get_contents($stateFile), true) : [];
    $status = is_array($state) ? (string)($state['status'] ?? '') : '';
    return is_dir($lockDir) || $status === 'processing';
}
function input_dir_enabled($dir){ return is_file($dir . '/.movmaker-enabled'); }
function set_input_dir_enabled($dir, $enabled){
    $path = $dir . '/.movmaker-enabled';
    if ($enabled) { file_put_contents($path, "enabled\n"); @chmod($path, 0664); }
    elseif (is_file($path)) unlink($path);
}
function input_dir_preview($dir){
    if (is_file($dir . '/.movmaker-preview')) return true;
    $stateFile = $dir . '/.movmaker-state.json';
    if (!is_file($stateFile)) return false;
    $state = json_decode((string)file_get_contents($stateFile), true);
    return is_array($state) && !empty($state['preview']);
}
function set_input_dir_preview($dir, $preview){
    $path = $dir . '/.movmaker-preview';
    if ($preview) { file_put_contents($path, "preview\n"); @chmod($path, 0664); }
    elseif (is_file($path)) unlink($path);
    $stateFile = $dir . '/.movmaker-state.json';
    $state = is_file($stateFile) ? json_decode((string)file_get_contents($stateFile), true) : [];
    if (!is_array($state)) $state = [];
    $state['article_id'] = ensure_article_id($dir);
    $state['preview'] = (bool)$preview;
    $state['preview_updated_at'] = gmdate('c');
    file_put_contents($stateFile, json_encode($state, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) . "\n");
    @chmod($stateFile, 0664);
}
function input_dir_visible($dir){ return !is_file($dir . '/.mvlog-hidden'); }
function set_input_dir_visible($dir, $visible){
    $path = $dir . '/.mvlog-hidden';
    if ($visible) { if (is_file($path)) unlink($path); }
    else { file_put_contents($path, "hidden\n"); @chmod($path, 0664); }
}
function input_dir_permalink($dir){ return is_file($dir . '/' . PERMALINK_FILE); }
function input_dir_can_permalink($dir, $config){
    $state = input_dir_state($dir);
    $output = basename((string)($state['output'] ?? ''));
    return $output !== '' && is_file($config['videos_dir'] . '/' . $output) && !input_dir_preview($dir);
}
function set_input_dir_permalink($dir, $permalink){
    $path = $dir . '/' . PERMALINK_FILE;
    if ($permalink) { file_put_contents($path, "permalink\n"); @chmod($path, 0664); }
    elseif (is_file($path)) unlink($path);
}
function input_dir_map_hidden($dir){ return is_file($dir . '/' . MAP_HIDDEN_FILE); }
function set_input_dir_map_hidden($dir, $hidden){
    $path = $dir . '/' . MAP_HIDDEN_FILE;
    if ($hidden) { file_put_contents($path, "hide-map\n"); @chmod($path, 0664); }
    elseif (is_file($path)) unlink($path);
}
function is_image_media_file($name){
    $ext = strtolower(pathinfo((string)$name, PATHINFO_EXTENSION));
    return in_array($ext, ['jpg','jpeg','png','webp','gif'], true);
}
function public_url_path($path){
    $path = str_replace('\\', '/', trim((string)$path));
    if ($path === '') return '';
    $parts = array_values(array_filter(explode('/', $path), static fn($p) => $p !== ''));
    return implode('/', array_map('rawurlencode', $parts));
}
function video_thumb_public_url($config, $videoName){
    $videoName = basename((string)$videoName);
    if ($videoName === '') return '';
    $info = video_thumb_source_info($config, $videoName);
    $sourcePath = (string)($info['source_path'] ?? '');
    if ($sourcePath !== '') {
        $abs = str_starts_with($sourcePath, '/') ? $sourcePath : __DIR__ . '/' . ltrim($sourcePath, '/');
        if (is_file($abs)) return public_url_path($sourcePath) . '?v=' . filemtime($abs);
    }
    $sourceFile = basename((string)($info['source_file'] ?? ''));
    $inputDir = basename((string)($info['input_dir'] ?? ''));
    if ($sourceFile !== '' && $inputDir !== '') {
        $rel = 'in-dir/' . $inputDir . '/' . $sourceFile;
        $abs = __DIR__ . '/' . $rel;
        if (is_file($abs)) return public_url_path($rel) . '?v=' . filemtime($abs);
    }
    return '';
}
function video_thumb_source_info($config, $videoName){
    $videoName = basename((string)$videoName);
    if ($videoName === '') return [];
    $base = pathinfo($videoName, PATHINFO_FILENAME);
    $file = $config['videos_dir'] . '/' . $base . '_thumb.json';
    if (!is_file($file)) return [];
    $data = json_decode((string)file_get_contents($file), true);
    return is_array($data) ? $data : [];
}
function ensure_state_article_id($dir){
    $articleId = ensure_article_id($dir);
    $stateFile = $dir . '/.movmaker-state.json';
    $state = is_file($stateFile) ? json_decode((string)file_get_contents($stateFile), true) : [];
    if (!is_array($state)) $state = [];
    if (($state['article_id'] ?? '') !== $articleId) {
        $state['article_id'] = $articleId;
        file_put_contents($stateFile, json_encode($state, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) . "\n");
        @chmod($stateFile, 0664);
    }
    return $articleId;
}
function input_dir_state($dir){
    $stateFile = $dir . '/.movmaker-state.json';
    $state = is_file($stateFile) ? json_decode((string)file_get_contents($stateFile), true) : [];
    if (!is_array($state)) $state = [];
    $state['article_id'] = ($state['article_id'] ?? '') ?: read_article_id($dir);
    return $state;
}
function active_worker_jobs($config){
    $jobs = [];
    foreach (input_dirs($config['uploads_dir']) as $dir) {
        $name = basename($dir);
        $state = input_dir_state($dir);
        $articleId = (string)($state['article_id'] ?? '') ?: ensure_article_id($dir);
        $status = (string)($state['status'] ?? '');
        $locked = is_dir($dir . '/.movmaker-lock');
        if ($locked || $status === 'processing') {
            $started = '';
            if (is_file($dir . '/.movmaker-lock/started_at')) $started = trim((string)file_get_contents($dir . '/.movmaker-lock/started_at'));
            if ($started === '' && !empty($state)) $started = (string)($state['started_at'] ?? $state['updated_at'] ?? '');
            $jobs[] = ['name'=>$name,'id'=>$articleId,'status'=>$status ?: ($locked ? 'processing' : 'unknown'),'started_at'=>$started];
        }
    }
    return $jobs;
}
function format_job_age($startedAt){
    $ts = strtotime((string)$startedAt);
    if (!$ts) return '';
    $seconds = max(0, time() - $ts);
    $h = intdiv($seconds, 3600);
    $m = intdiv($seconds % 3600, 60);
    $s = $seconds % 60;
    if ($h > 0) return $h . 'h ' . $m . 'm';
    if ($m > 0) return $m . 'm ' . $s . 's';
    return $s . 's';
}
function input_dir_output($dir){
    $state = input_dir_state($dir);
    return basename((string)($state['output'] ?? ''));
}
function regenerate_input_dir_maps($dir, $config){
    $logFile = '/var/log/mvlog_map.log';
    $python = trim((string)shell_exec('command -v python3 2>/dev/null'));
    $script = __DIR__ . '/bin/gpsmap.py';
    if ($python === '' || !is_file($script)) {
        file_put_contents($logFile, '[mvlog] map regenerate skipped for ' . basename((string)$dir) . ' (python=' . ($python !== '' ? 'yes' : 'no') . ', script=' . (is_file($script) ? 'yes' : 'no') . ")\n", FILE_APPEND);
        return;
    }

    $state = input_dir_state($dir);
    $targets = [];
    foreach (['output', 'preview_output'] as $key) {
        $name = basename((string)($state[$key] ?? ''));
        if ($name === '') continue;
        $targets[] = $config['videos_dir'] . '/' . pathinfo($name, PATHINFO_FILENAME) . '_map.png';
    }

    // Fallback target if no output filename is known yet.
    if (!$targets) {
        $targets[] = $config['videos_dir'] . '/' . basename((string)$dir) . '_map.png';
    }

    $targets = array_values(array_unique($targets));
    file_put_contents($logFile, '[mvlog] map regenerate requested for ' . basename((string)$dir) . ' targets=' . implode(', ', array_map('basename', $targets)) . "\n", FILE_APPEND);

    foreach ($targets as $outPng) {
        file_put_contents($logFile, '[mvlog] map regenerate start for ' . basename((string)$dir) . ' target=' . basename((string)$outPng) . "\n", FILE_APPEND);
        $cmd = escapeshellarg($python) . ' ' . escapeshellarg($script) . ' ' . escapeshellarg($dir) . ' ' . escapeshellarg($outPng) . ' 2>&1';
        $output = (string)shell_exec($cmd);
        if (is_file($outPng)) {
            @chmod($outPng, 0664);
            clearstatcache(true, $outPng);
            $size = @filesize($outPng);
            file_put_contents($logFile, '[mvlog] map regenerate done for ' . basename((string)$dir) . ' target=' . basename((string)$outPng) . ' bytes=' . ($size !== false ? $size : 'unknown') . "\n", FILE_APPEND);
        } else {
            file_put_contents($logFile, '[mvlog] map regenerate failed for ' . basename((string)$dir) . ' target=' . basename((string)$outPng) . ' output=' . trim($output) . "\n", FILE_APPEND);
        }
    }
}
function cached_video_metadata($output, $fallback){
    $meta = [
        'title'=>$fallback['title'] ?? '',
        'teaser'=>$fallback['teaser'] ?? '',
        'date'=>$fallback['date'] ?? '',
        'sort_date'=>$fallback['date'] ?? '',
        'location'=>$fallback['place'] ?? '',
        'quote_da'=>$fallback['quote_da'] ?? '',
        'description'=>$fallback['description'] ?? ''
    ];
    $cacheFile = __DIR__ . '/cache/videos.json';
    $cache = is_file($cacheFile) ? json_decode((string)file_get_contents($cacheFile), true) : [];
    $cached = $cache['items'][$output]['metadata'] ?? null;
    if (is_array($cached)) {
        foreach (['title','teaser','date','sort_date','location','quote_da','description'] as $k) if (!empty($cached[$k])) $meta[$k] = $cached[$k];
    }
    return $meta;
}
function paginate($items, $page, $perPage = 8){
    $total = count($items);
    $pages = max(1, (int)ceil($total / $perPage));
    $page = max(1, min((int)$page, $pages));
    return [$page, $pages, array_slice($items, ($page - 1) * $perPage, $perPage), $total];
}
function page_links($tab, $page, $pages){
    if ($pages <= 1) return '';
    $extra = '';
    if ($tab === 'edit') {
        $q = trim((string)($_GET['q'] ?? ''));
        if ($q !== '') $extra .= '&q=' . rawurlencode($q);
        if (!empty($_GET['f_preview'])) $extra .= '&f_preview=1';
        if (!empty($_GET['f_render'])) $extra .= '&f_render=1';
        if (!empty($_GET['f_shown'])) $extra .= '&f_shown=1';
    }
    $html = '<div class="pages">';
    for ($i = 1; $i <= $pages; $i++) {
        $class = $i === $page ? 'active' : '';
        $html .= '<a class="'.$class.'" href="admin.php?tab='.rawurlencode($tab).'&page='.$i.$extra.'">'.$i.'</a>';
    }
    return $html . '</div>';
}
function save_uploads($field, $dest, $allowed){
    if (empty($_FILES[$field])) return [];
    $files = $_FILES[$field]; $saved = [];
    $count = is_array($files['name']) ? count($files['name']) : 0;
    for ($i=0; $i<$count; $i++) {
        if ($files['error'][$i] === UPLOAD_ERR_NO_FILE) continue;
        if ($files['error'][$i] !== UPLOAD_ERR_OK) throw new RuntimeException("Upload failed: ".$files['name'][$i]);
        $ext = strtolower(pathinfo($files['name'][$i], PATHINFO_EXTENSION));
        if (!in_array($ext, $allowed, true)) throw new RuntimeException("File type not allowed: ".$files['name'][$i]);
        $base = preg_replace('/[^A-Za-z0-9._-]+/', '_', basename($files['name'][$i]));
        $target = $dest . '/' . sprintf('%03d_', count(glob($dest.'/*') ?: [])+count($saved)+1) . $base;
        if (!move_uploaded_file($files['tmp_name'][$i], $target)) throw new RuntimeException("Cannot save upload");
        $saved[] = basename($target);
    }
    return $saved;
}
$msg = $_GET['msg'] ?? null; $err = null;
$allowedMedia = ['jpg','jpeg','png','webp','gif','mp4','mov','m4v','avi','mkv','webm'];
$allowedAudio = ['mp3','wav','m4a','aac','ogg','flac'];
$articleIndex = load_articles_index($config['uploads_dir']);
try {
    if ($_SERVER['REQUEST_METHOD'] === 'POST') {
        $action = $_POST['action'] ?? 'create';
        if ($action === 'create') {
            $title = trim($_POST['title'] ?? '');
            if ($title === '') throw new RuntimeException('Title is required.');
            $tmpSlug = '.upload-' . date('YmdHis') . '-' . bin2hex(random_bytes(4));
            $tmpDir = $config['uploads_dir'] . '/' . $tmpSlug;
            if (!mkdir($tmpDir, 0775, true)) throw new RuntimeException('Cannot create temporary input directory.');
            @chmod($tmpDir, 02775);
            $media = save_uploads('media', $tmpDir, $allowedMedia);
            if (!$media) { rrmdir($tmpDir); throw new RuntimeException('Upload at least one image or video.'); }
            save_uploads('audio', $tmpDir, $allowedAudio);
            $mediaDate = input_dir_date_from_text($_POST['date'] ?? '') ?? input_dir_date_from_media($tmpDir);
            $slug = $mediaDate . '_' . slugify($title);
            $dir = unique_input_dir($config['uploads_dir'], $slug);
            $slug = basename($dir);
            if (!rename($tmpDir, $dir)) { rrmdir($tmpDir); throw new RuntimeException('Cannot create input directory.'); }
            @chmod($dir, 02775);
            $articleId = ensure_article_id($dir);
            write_data($dir, $_POST);
            set_input_dir_enabled($dir, false);
            set_input_dir_preview($dir, false);
            set_input_dir_visible($dir, false);
            regenerate_input_dir_maps($dir, $config);
            if (!empty($_POST['ajax'])) {
                ajax_json(['ok'=>true, 'message'=>"Created movmaker input directory: in-dir/$slug", 'dir'=>$slug, 'id'=>$articleId, 'tab'=>'edit']);
            }
            header('Location: admin.php?tab=edit');
            exit;
        } elseif ($action === 'set_enabled') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            $enabledNow = !empty($_POST['enabled']);
            set_input_dir_enabled($dir, $enabledNow);
            if ($enabledNow) {
                set_input_dir_preview($dir, false);
            }
            $state = input_dir_state($dir);
            $output = basename((string)($state['output'] ?? ''));
            $canShow = $output !== '' && is_file($config['videos_dir'].'/'.$output) && !input_dir_preview($dir);
            if (!$canShow) set_input_dir_visible($dir, false);
            $message = ($enabledNow ? 'Enabled rendering for: in-dir/' : 'Disabled rendering for: in-dir/') . basename($dir);
            if (!empty($_POST['ajax'])) {
                ajax_json([
                    'ok' => true,
                    'enabled' => $enabledNow,
                    'preview' => input_dir_preview($dir),
                    'visible' => input_dir_visible($dir) && $canShow,
                    'can_show' => $canShow,
                    'can_permalink' => input_dir_can_permalink($dir, $config),
                    'dir' => basename($dir),
                    'id' => $articleId,
                    'message' => $message,
                ]);
            }
            header('Location: admin.php?tab=edit&msg=' . rawurlencode($message));
            exit;
        } elseif ($action === 'set_preview') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            $previewNow = !empty($_POST['preview']);
            set_input_dir_preview($dir, $previewNow);
            if ($previewNow) { set_input_dir_enabled($dir, false); set_input_dir_visible($dir, false); }
            $state = input_dir_state($dir);
            $output = basename((string)($state['output'] ?? ''));
            $canShow = $output !== '' && is_file($config['videos_dir'].'/'.$output) && !input_dir_preview($dir);
            $message = ($previewNow ? 'Enabled preview for: in-dir/' : 'Disabled preview for: in-dir/') . basename($dir);
            if (!empty($_POST['ajax'])) {
                ajax_json([
                    'ok' => true,
                    'preview' => $previewNow,
                    'enabled' => input_dir_enabled($dir),
                    'visible' => input_dir_visible($dir) && $canShow,
                    'can_show' => $canShow,
                    'can_permalink' => input_dir_can_permalink($dir, $config),
                    'dir' => basename($dir),
                    'id' => $articleId,
                    'message' => $message,
                ]);
            }
            header('Location: admin.php?tab=edit&msg=' . rawurlencode($message));
            exit;
        } elseif ($action === 'set_visible') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            $visibleNow = !empty($_POST['visible']);
            $state = input_dir_state($dir);
            $output = basename((string)($state['output'] ?? ''));
            $canShow = $output !== '' && is_file($config['videos_dir'].'/'.$output) && !input_dir_preview($dir);
            if ($visibleNow && !$canShow) throw new RuntimeException('Only finished full-quality videos can be shown.');
            set_input_dir_visible($dir, $visibleNow && $canShow);
    // Attempt to send "Show enabled" notification (server-side) on enable. Non-fatal.
    if ($visibleNow && $canShow) {
        if (is_file(__DIR__ . '/lib/send_push.php')) {
            include_once __DIR__ . '/lib/send_push.php';
            try_send_show_notification($articleId ?: basename($dir), $dir, __DIR__, '/var/log/mvlog_notify.log');
        } else {
            error_log("[mvlog] send_push helper missing, cannot send notification for " . basename($dir) . "
", 3, '/var/log/mvlog_notify.log');
        }
    }

            $message = ($visibleNow ? 'Shown: in-dir/' : 'Hidden: in-dir/') . basename($dir);
            $currentVisible = input_dir_visible($dir) && $canShow;
            if (!empty($_POST['ajax'])) {
                ajax_json([
                    'ok' => true,
                    'visible' => $currentVisible,
                    'can_show' => $canShow,
                    'can_permalink' => input_dir_can_permalink($dir, $config),
                    'dir' => basename($dir),
                    'id' => $articleId,
                    'message' => $message,
                ]);
            }
            header('Location: admin.php?tab=edit&msg=' . rawurlencode($message));
            exit;
        } elseif ($action === 'set_permalink') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            $permalinkNow = !empty($_POST['permalink']);
            $canPermalink = input_dir_can_permalink($dir, $config);
            if ($permalinkNow && !$canPermalink) throw new RuntimeException('Only finished full-quality videos can use permalinks.');
            set_input_dir_permalink($dir, $permalinkNow && $canPermalink);
            $message = ($permalinkNow ? 'Permalink enabled for: in-dir/' : 'Permalink disabled for: in-dir/') . basename($dir);
            if (!empty($_POST['ajax'])) {
                ajax_json([
                    'ok' => true,
                    'permalink' => $permalinkNow && $canPermalink,
                    'can_permalink' => $canPermalink,
                    'dir' => basename($dir),
                    'id' => $articleId,
                    'message' => $message,
                ]);
            }
            header('Location: admin.php?tab=edit&msg=' . rawurlencode($message));
            exit;
        } elseif ($action === 'set_map_hidden') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            $mapHiddenNow = !empty($_POST['map_hidden']);
            set_input_dir_map_hidden($dir, $mapHiddenNow);
            $message = ($mapHiddenNow ? 'Map hidden on index for: in-dir/' : 'Map visible on index for: in-dir/') . basename($dir);
            if (!empty($_POST['ajax'])) {
                ajax_json([
                    'ok' => true,
                    'map_hidden' => $mapHiddenNow,
                    'dir' => basename($dir),
                    'id' => $articleId,
                    'message' => $message,
                ]);
            }
            header('Location: admin.php?tab=edit&msg=' . rawurlencode($message));
            exit;
        } elseif ($action === 'set_video_thumb') {
            $logFile = __DIR__ . '/logs/image_magick.log';
            file_put_contents($logFile, "Entering set_video_thumb action...\n", FILE_APPEND); // LOG 1

            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            if (input_dir_running($dir)) throw new RuntimeException('This input directory is being rendered. Editing is disabled until the job completes.');
            $file = basename((string)($_POST['file'] ?? ''));
            if ($file === '' || !is_image_media_file($file) || !is_file($dir . '/' . $file)) throw new RuntimeException('Invalid image file.');
            $state = input_dir_state($dir);
            $meta = read_data($dir); // Need this for title and teaser
            $outputs = [];
            foreach (['output', 'preview_output'] as $key) {
                $name = basename((string)($state[$key] ?? ''));
                if ($name !== '' && is_file($config['videos_dir'] . '/' . $name)) $outputs[] = $name;
            }
            $outputs = array_values(array_unique($outputs));
            if (!$outputs) throw new RuntimeException('No rendered video found for this input directory yet.');

            $src = $dir . '/' . $file;
            $thumbName = $articleId . '_og.jpg';
            $target = $config['videos_dir'] . '/' . $thumbName;
            if (is_file($target)) @unlink($target);
            if (!@copy($src, $target)) {
                file_put_contents($logFile, "Failed to copy thumbnail.\n", FILE_APPEND); // LOG 2
                throw new RuntimeException('Failed to write thumbnail.');
            }
            @chmod($target, 0664);

            file_put_contents($logFile, "Thumbnail copied, now applying overlay...\n", FILE_APPEND); // LOG 3

            // Apply text overlay after smart resizing/cropping to 1200x630
            apply_thumbnail_overlay($target, (string)($meta['title'] ?? ''), (string)($meta['teaser'] ?? ''));
            $written = [];
            foreach ($outputs as $out) {
                $base = pathinfo($out, PATHINFO_FILENAME);
                // Remove any old thumbnail files in thumbs_dir
                foreach (['jpg','jpeg','png','webp','gif'] as $oldExt) {
                    $old = $config['thumbs_dir'] . '/' . $base . '.' . $oldExt;
                    if (is_file($old)) @unlink($old);
                }
                $thumbMeta = [
                    'article_id' => $articleId,
                    'input_dir' => basename($dir),
                    'source_file' => $file,
                    'source_path' => 'in-dir/' . basename($dir) . '/' . $file,
                    'thumb_file' => $thumbName,
                    'thumb_path' => 'out-dir/' . $thumbName,
                    'created_at' => gmdate('c'),
                ];
                $thumbMetaPath = $config['videos_dir'] . '/' . $base . '_thumb.json';
                if (file_put_contents($thumbMetaPath, json_encode($thumbMeta, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) . "\n", LOCK_EX) === false) {
                    throw new RuntimeException('Failed to write thumbnail metadata.');
                }
                @chmod($thumbMetaPath, 0664);
                $written[] = basename($target);
            }

            $message = 'Thumbnail set from ' . $file . ' for ' . count($written) . ' video(s).';
            if (!empty($_POST['ajax'])) {
                ajax_json([
                    'ok' => true,
                    'message' => $message,
                    'dir' => basename($dir),
                    'id' => $articleId,
                    'written' => $written,
                ]);
            }
            header('Location: admin.php?tab=edit&id=' . rawurlencode((string)$articleId) . '&edit=' . rawurlencode(basename($dir)) . '&msg=' . rawurlencode($message));
            exit;
        } elseif ($action === 'update') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            if (input_dir_running($dir)) throw new RuntimeException('This input directory is being rendered. Editing is disabled until the job completes.');
            file_put_contents('/var/log/mvlog_map.log', '[mvlog] save changes pressed for ' . basename($dir) . ' id=' . $articleId . "\n", FILE_APPEND);
            try {
                write_data($dir, $_POST);
                save_uploads('media', $dir, $allowedMedia);
                save_uploads('audio', $dir, $allowedAudio);
            } finally {
                // Always regenerate map image(s) whenever Save changes is pressed.
                regenerate_input_dir_maps($dir, $config);
            }
            if (!empty($_POST['ajax'])) ajax_json(['ok'=>true, 'message'=>'Updated input directory: in-dir/' . basename($dir), 'dir'=>basename($dir), 'id'=>$articleId]);
            header('Location: admin.php?tab=edit');
            exit;
        } elseif ($action === 'delete_file') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            if (input_dir_running($dir)) throw new RuntimeException('This input directory is being rendered. Editing is disabled until the job completes.');
            $file = basename((string)($_POST['file'] ?? ''));
            if (!editable_file($file) || !is_file($dir.'/'.$file)) throw new RuntimeException('Invalid file.');
            unlink($dir.'/'.$file);
            if (!empty($_POST['ajax'])) {
                ajax_json(['ok'=>true, 'message'=>'Removed file: ' . $file, 'tab'=>'edit']);
            }
            header('Location: admin.php?tab=edit');
            exit;
        } elseif ($action === 'reorder_file') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            if (input_dir_running($dir)) throw new RuntimeException('This input directory is being rendered. Editing is disabled until the job completes.');
            $file = basename((string)($_POST['file'] ?? ''));
            $direction = strtolower(trim((string)($_POST['direction'] ?? '')));
            $result = move_visual_file_order($dir, $file, $direction);
            $message = $result['changed'] ? ('Moved file ' . ($direction === 'up' ? 'up' : 'down') . ': ' . $file) : 'No move possible for file: ' . $file;
            if (!empty($_POST['ajax'])) {
                ajax_json([
                    'ok' => true,
                    'message' => $message,
                    'file' => $file,
                    'direction' => $direction,
                    'changed' => !empty($result['changed']),
                    'index' => (int)($result['index'] ?? -1),
                    'count' => (int)($result['count'] ?? 0),
                    'dir' => basename($dir),
                    'id' => $articleId,
                ]);
            }
            header('Location: admin.php?tab=edit&id=' . rawurlencode((string)$articleId) . '&edit=' . rawurlencode(basename($dir)) . '&msg=' . rawurlencode($message));
            exit;
        } elseif ($action === 'delete_video') {
            $file = basename((string)($_POST['video'] ?? ''));
            $path = $config['videos_dir'] . '/' . $file;
            if ($file === '' || !is_file($path)) throw new RuntimeException('Invalid video.');
            unlink($path);
            $cache = __DIR__ . '/cache/videos.json';
            if (is_file($cache)) unlink($cache);
            if (!empty($_POST['ajax'])) {
                ajax_json(['ok'=>true, 'message'=>'Deleted video: ' . $file, 'tab'=>'videos']);
            }
            header('Location: admin.php?tab=videos');
            exit;
        } elseif ($action === 'delete_dir') {
            $dir = resolve_input_dir_from_request($config['uploads_dir'], $_POST['id'] ?? '', $_POST['dir'] ?? '', $articleIndex);
            $articleId = ensure_state_article_id($dir);
            if (input_dir_running($dir)) throw new RuntimeException('This input directory is being rendered. Editing is disabled until the job completes.');
            $name = basename($dir);
            $stateFile = $dir . '/.movmaker-state.json';
            $state = is_file($stateFile) ? json_decode((string)file_get_contents($stateFile), true) : [];
            $output = is_array($state) ? basename((string)($state['output'] ?? '')) : '';
            if (!empty($_POST['delete_output']) && $output !== '') {
                $outPath = $config['videos_dir'] . '/' . $output;
                if (is_file($outPath)) unlink($outPath);
                $cache = __DIR__ . '/cache/videos.json';
                if (is_file($cache)) unlink($cache);
            }
            rrmdir($dir);
            if (!empty($_POST['ajax'])) {
                ajax_json(['ok'=>true, 'message'=>'Deleted input directory: in-dir/' . $name, 'tab'=>'edit']);
            }
            header('Location: admin.php?tab=edit');
            exit;
        }
    }
} catch (Throwable $e) {
    if ($_SERVER['REQUEST_METHOD'] === 'POST' && !empty($_POST['ajax'])) {
        http_response_code(400);
        ajax_json(['ok'=>false, 'error'=>$e->getMessage()]);
    }
    $err = $e->getMessage();
}
$dirs = input_dirs($config['uploads_dir']);
$articleIndex = load_articles_index($config['uploads_dir'], $dirs);
$dirInfo = load_input_dir_cache($dirs);
sort_input_dirs_by_metadata_date($dirs, $dirInfo);
$orphanVideos = orphan_videos($config);
$tab = $_GET['tab'] ?? 'edit';

$rawKeyword = trim((string)($_GET['q'] ?? ''));
$keywordType = 'general';
$keywordValue = $rawKeyword;
$filterPreview = !empty($_GET['f_preview']);
$filterRender = !empty($_GET['f_render']);
$filterShown = !empty($_GET['f_shown']);
$filterPermalink = !empty($_GET['f_permalink']);
$statusFilterActive = $filterPreview || $filterRender || $filterShown || $filterPermalink;
$searchEmpty = ($rawKeyword === '' && !$statusFilterActive);
if ($rawKeyword !== '' && preg_match('/^\s*(date|location|place)\s*=\s*(.+)\s*$/i', $rawKeyword, $m)) {
    $keywordType = strtolower((string)$m[1]);
    if ($keywordType === 'place') $keywordType = 'location';
    $keywordValue = trim((string)$m[2]);
}
if ($keywordValue !== '' || $statusFilterActive) {
    $dirs = array_values(array_filter($dirs, function($dir) use ($keywordType, $keywordValue, $config, $statusFilterActive, $filterPreview, $filterRender, $filterShown, $filterPermalink) {
        $data = read_data($dir);
        $state = input_dir_state($dir);
        $fullOutput = basename((string)($state['output'] ?? ''));
        $previewOutput = basename((string)($state['preview_output'] ?? ''));
        $hasFullVideo = $fullOutput !== '' && is_file($config['videos_dir'].'/'.$fullOutput);
        $hasPreviewVideo = $previewOutput !== '' && is_file($config['videos_dir'].'/'.$previewOutput);
        $preview = input_dir_preview($dir);
        $displayOutput = ($preview && $hasPreviewVideo) ? $previewOutput : ($hasFullVideo ? $fullOutput : ($hasPreviewVideo ? $previewOutput : ''));
        $hasVideo = $displayOutput !== '';
        $enabled = input_dir_enabled($dir);
        $canShow = $hasFullVideo && !$preview;
        $visible = $canShow && input_dir_visible($dir);

        if ($statusFilterActive) {
            $statusMatch = false;
            if ($filterPreview && $preview) $statusMatch = true;
            if ($filterRender && $enabled) $statusMatch = true;
            if ($filterShown && $visible) $statusMatch = true;
            if ($filterPermalink && input_dir_permalink($dir)) $statusMatch = true;
            if (!$statusMatch) return false;
        }

        if ($keywordValue === '') return true;

        $meta = $hasVideo ? cached_video_metadata($displayOutput, $data) : ['title'=>(string)($data['title'] ?? ''),'teaser'=>(string)($data['teaser'] ?? ''),'date'=>(string)($data['date'] ?? ''),'location'=>(string)($data['place'] ?? ''),'quote_da'=>(string)($data['quote_da'] ?? ''),'description'=>(string)($data['description'] ?? '')];
        $title = (string)(($meta['title'] ?? '') !== '' ? $meta['title'] : basename($dir));
        $teaser = (string)($meta['teaser'] ?? '');
        $description = (string)($meta['description'] ?? '');
        $quoteDa = (string)($meta['quote_da'] ?? '');
        $date = (string)($meta['date'] ?? '');
        $location = (string)($meta['location'] ?? '');

        if ($keywordType === 'date') return ci_contains($date, $keywordValue);
        if ($keywordType === 'location') return ci_contains($location, $keywordValue);
        return ci_contains($title, $keywordValue) || ci_contains($teaser, $keywordValue) || ci_contains($quoteDa, $keywordValue) || ci_contains($description, $keywordValue);
    }));
}

$page = max(1, (int)($_GET['page'] ?? 1));
[$editPage, $editPages, $dirsPage, $dirsTotal] = paginate($dirs, $tab === 'edit' ? $page : 1);
[$videoPage, $videoPages, $orphanVideosPage, $orphanVideosTotal] = paginate($orphanVideos, $tab === 'videos' ? $page : 1);
$editName = $_GET['edit'] ?? '';
$editId = $_GET['id'] ?? '';
$editDir = null; $editStatus = ''; $editRunning = false; $editData = ['title'=>'','teaser'=>'','quote_da'=>'','date'=>'','place'=>'','description'=>'','captions'=>[],'video_audio'=>[]]; $editFiles = [];
if ($editName !== '' || $editId !== '') { try { $editDir = resolve_input_dir_from_request($config['uploads_dir'], $editId, $editName, $articleIndex); $editStatus = input_dir_status($editDir); $editRunning = input_dir_running($editDir); if (!$editRunning) { $editData = read_data($editDir); $editFiles = media_sort_files($editDir, list_files($editDir)); } } catch (Throwable $e) { $err = $e->getMessage(); } }
$runningJobs = active_worker_jobs($config);
?>
<!doctype html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>MVLog Admin</title><link rel="icon" type="image/png" href="assets/img/moto_travel.png"><link rel="stylesheet" href="style.css?v=20260531u"><style>.admin-search-form{display:flex;flex-wrap:nowrap;align-items:center;gap:.55rem;margin:0 0 .6rem;overflow-x:auto;padding-bottom:2px}.admin-search-wrap{position:relative;min-width:180px;flex:1 1 auto}.admin-search-wrap input{margin:0;padding-right:2.15rem}.admin-search-clear{position:absolute;right:.45rem;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border-radius:50%;background:#C46A3A;color:#111315;text-decoration:none;font-size:1rem;line-height:1;font-weight:700;box-shadow:0 1px 4px #0007;transition:opacity .15s ease,transform .15s ease}.admin-search-clear:hover{background:#d97b48;color:#111315;transform:translateY(-50%) scale(1.05)}.admin-search-clear.is-empty{opacity:.38;pointer-events:none}.admin-search-submit{display:inline-grid;place-items:center;width:2.35rem;height:2.35rem;padding:0;border-radius:.5rem;background:#C46A3A;color:#111315;flex:0 0 auto}.admin-search-submit .icon{font-size:1.02rem;line-height:1;transform:translateY(.01em)}.admin-search-filters{display:flex;flex-wrap:nowrap;gap:.7rem;align-items:center;flex:0 0 auto;white-space:nowrap}.admin-filter-item{display:inline-flex;align-items:center;gap:.35rem;margin:0;white-space:nowrap;font-size:.92rem}.admin-filter-item input[type=checkbox]{width:.9rem;height:.9rem;margin:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.description-teaser{margin:.2rem 0 .45rem;color:#eadfca}.description-quote{margin:.2rem 0 .45rem;font-style:italic;font-size:.82rem;color:#d4d7dd}.meta a{color:inherit;text-decoration:none}.meta a:hover{text-decoration:underline}.meta-filter{display:inline-flex;align-items:center;gap:.25rem;padding:.12rem .5rem;border-radius:999px;background:rgba(255,255,255,.06);cursor:pointer;user-select:none;transition:background-color .15s ease,transform .15s ease}.meta-filter:hover,.meta-filter:focus-visible{background:rgba(255,255,255,.12);transform:translateY(-1px);outline:none}.meta-filter:focus-visible{box-shadow:0 0 0 2px rgba(202,162,109,.35)}</style></head><body>
<header class="site-header admin-header"><div class="brand-wrap"><a class="header-logo" href="index.php" aria-label="MVLog home"><img src="assets/img/moto_travel.png" alt=""></a><a class="brand" href="index.php"><h1 style="font-size:1.15rem">MVLog <span class="admin-word">Admin</span></h1><p>journal of an<br>unreliable narrator.</p></a></div></header>
<main>
<?php if($err): ?><div class="err"><?=h($err)?></div><?php endif; ?>

<?php if($tab==='videos'): ?><section><h2>Videos without input dir</h2><?php if(!$orphanVideos): ?><p>No orphan videos.</p><?php endif; ?><div class="admin-list"><?php foreach($orphanVideosPage as $v): $vn=basename($v); ?><form method="post" class="admin-item" onsubmit="return confirm('Delete this generated video?') js-ajax-form"><div><strong><?=h($vn)?></strong><br><span><?=h(round(filesize($v)/1048576,1))?> MB</span></div><input type="hidden" name="action" value="delete_video"><input type="hidden" name="video" value="<?=h($vn)?>"><button type="submit">Delete video</button></form><?php endforeach; ?></div><?=page_links('videos',$videoPage,$videoPages)?></section><?php endif; ?>
<?php if($tab==='edit' && !$editDir): ?><section><form method="get" class="admin-search-form"><input type="hidden" name="tab" value="edit"><div class="admin-search-wrap"><input name="q" value="<?=h($rawKeyword)?>" placeholder="Search title/teaser/quote_da/description or use date=... / location=..." aria-label="Search input dirs"><a class="admin-search-clear <?=$searchEmpty ? 'is-empty' : ''?>" href="admin.php?tab=edit" aria-label="Clear filter" title="Clear filter">×</a></div><div class="admin-search-filters"><label class="admin-filter-item" title="Preview"><input type="checkbox" name="f_preview" value="1" <?=$filterPreview?'checked':''?>><span>P</span></label><label class="admin-filter-item" title="Render"><input type="checkbox" name="f_render" value="1" <?=$filterRender?'checked':''?>><span>R</span></label><label class="admin-filter-item" title="Show"><input type="checkbox" name="f_shown" value="1" <?=$filterShown?'checked':''?>><span>S</span></label><label class="admin-filter-item" title="Permalink"><input type="checkbox" name="f_permalink" value="1" <?=$filterPermalink?'checked':''?>><span>PL</span></label></div><button type="submit" class="admin-search-submit" aria-label="Filter"><span class="icon" aria-hidden="true">🔍</span><span class="sr-only">Filter</span></button></form><?php if(!$dirs): ?><p>No input directories yet.</p><?php endif; ?><div class="admin-list video-list"><?php foreach($dirsPage as $d): $runStatus=input_dir_status($d); $running=input_dir_running($d); $enabled=input_dir_enabled($d); $preview=input_dir_preview($d); $state=input_dir_state($d); $fullOutput=basename((string)($state['output'] ?? '')); $previewOutput=basename((string)($state['preview_output'] ?? '')); $hasFullVideo=$fullOutput !== '' && is_file($config['videos_dir'].'/'.$fullOutput); $hasPreviewVideo=$previewOutput !== '' && is_file($config['videos_dir'].'/'.$previewOutput); $displayOutput=($preview && $hasPreviewVideo) ? $previewOutput : ($hasFullVideo ? $fullOutput : ($hasPreviewVideo ? $previewOutput : '')); $hasVideo=$displayOutput !== ''; $displayVideoPath=$hasVideo ? $config['videos_dir'].'/'.$displayOutput : ''; $posterUrl=$hasVideo ? video_thumb_public_url($config, $displayOutput) : ''; $previewVideo=$hasVideo && $displayOutput === $previewOutput; $canShow=$hasFullVideo && !$preview; $visible=$canShow && input_dir_visible($d); $mapHidden=input_dir_map_hidden($d); $permalink=input_dir_permalink($d); $canPermalink=input_dir_can_permalink($d, $config); $info=$dirInfo[basename($d)] ?? input_dir_info($d); $data=read_data($d); $meta=$hasVideo ? cached_video_metadata($displayOutput, $data) : ['title'=>(string)($data['title'] ?? ''),'teaser'=>(string)($data['teaser'] ?? ''),'date'=>(string)($data['date'] ?? ''),'location'=>(string)($data['place'] ?? ''),'quote_da'=>(string)($data['quote_da'] ?? ''),'description'=>(string)($data['description'] ?? '')]; $currentSignature=$info['signature'] ?? ''; $fullFingerprint=is_array($state)?(string)($state['fingerprint'] ?? ''):''; $previewFingerprint=is_array($state)?(string)($state['preview_fingerprint'] ?? ''):''; $editedSinceRender=$hasFullVideo && $currentSignature !== '' && $fullFingerprint !== '' && $currentSignature !== $fullFingerprint; $editedSincePreview=!$hasFullVideo && $previewVideo && $currentSignature !== '' && $previewFingerprint !== '' && $currentSignature !== $previewFingerprint; $staleLabel=$editedSinceRender ? 'Edited since render' : ($editedSincePreview ? 'Edited since preview' : ''); ?><article class="video-row admin-video-row<?= $visible ? ' shown' : '' ?>" data-job="<?=h(basename($d))?>" data-id="<?=h(read_article_id($d))?>" data-permalink="<?= $permalink ? '1' : '0' ?>" data-can-permalink="<?= $canPermalink ? '1' : '0' ?>"><div><?php $map_n = ($displayOutput !== '' ? pathinfo($displayOutput, PATHINFO_FILENAME) : basename($d)) . '_map.png'; $hasMap = is_file($config['videos_dir'].'/'.$map_n); ?><?php if($hasVideo): ?><div class="video-wrapper"><video controls preload="metadata" src="<?=h($config['public_videos'].'/'.rawurlencode($displayOutput))?>"<?= $posterUrl !== '' ? ' poster="'.h($posterUrl).'"' : '' ?>></video><?php if($hasMap): ?><a class="map-image-link" href="<?=h($config['public_videos'].'/'.rawurlencode($map_n))?>"><img class="map-image" src="<?=h($config['public_videos'].'/'.rawurlencode($map_n))?>" alt="Map"></a><?php endif; ?></div><?php else: ?><div class="video-placeholder"><img src="assets/img/moto_travel.png" alt=""><span>No video yet</span></div><?php if($hasMap): ?><a class="map-image-link" href="<?=h($config['public_videos'].'/'.rawurlencode($map_n))?>"><img class="map-image" src="<?=h($config['public_videos'].'/'.rawurlencode($map_n))?>" alt="Map"></a><?php endif; ?><?php endif; ?></div><div class="video-info"><?php $thumbMeta = $hasVideo ? video_thumb_source_info($config, $displayOutput) : []; if(!empty($thumbMeta['source_file'])): ?><p style="margin:.2rem 0 .45rem;color:#A0A4AB;font-size:.82rem">Thumb source: <?=h((string)$thumbMeta['source_file'])?></p><?php endif; ?><div class="admin-row-top"><div class="admin-switches">
  <form method="post" class="inline-form switch-form" data-switch="preview">
    <input type="hidden" name="action" value="set_preview">
    <input type="hidden" name="dir" value="<?=h(basename($d))?>">
    <input type="hidden" name="id" value="<?=h(read_article_id($d))?>">
    <label class="switch-label">
      <input type="checkbox" name="preview" value="1" <?=$preview?'checked':''?>>
      <span class="switch-ui" aria-hidden="true"></span><span class="switch-text">Preview</span>
    </label>
    <noscript><button type="submit">Apply</button></noscript>
  </form>
  <form method="post" class="inline-form switch-form" data-switch="render">
    <input type="hidden" name="action" value="set_enabled">
    <input type="hidden" name="dir" value="<?=h(basename($d))?>">
    <input type="hidden" name="id" value="<?=h(read_article_id($d))?>">
    <label class="switch-label">
      <input type="checkbox" name="enabled" value="1" <?=$enabled?'checked':''?>>
      <span class="switch-ui" aria-hidden="true"></span><span class="switch-text">Render</span>
    </label>
    <noscript><button type="submit">Apply</button></noscript>
  </form>
  <form method="post" class="inline-form switch-form" data-switch="show">
    <input type="hidden" name="action" value="set_visible">
    <input type="hidden" name="dir" value="<?=h(basename($d))?>">
    <input type="hidden" name="id" value="<?=h(read_article_id($d))?>">
    <label class="switch-label">
      <input type="checkbox" name="visible" value="1" <?=$visible?'checked':''?> <?=!$canShow?'disabled':''?>>
      <span class="switch-ui" aria-hidden="true"></span><span class="switch-text">Show</span>
    </label>
    <noscript><button type="submit">Apply</button></noscript>
  </form>
  <form method="post" class="inline-form switch-form" data-switch="permalink">
    <input type="hidden" name="action" value="set_permalink">
    <input type="hidden" name="dir" value="<?=h(basename($d))?>">
    <input type="hidden" name="id" value="<?=h(read_article_id($d))?>">
    <label class="switch-label">
      <input type="checkbox" name="permalink" value="1" <?=$permalink?'checked':''?> <?=!$canPermalink?'disabled':''?>>
      <span class="switch-ui" aria-hidden="true"></span><span class="switch-text">Permalink</span>
    </label>
    <noscript><button type="submit">Apply</button></noscript>
  </form>
  <form method="post" class="inline-form switch-form" data-switch="hide-map">
    <input type="hidden" name="action" value="set_map_hidden">
    <input type="hidden" name="dir" value="<?=h(basename($d))?>">
    <input type="hidden" name="id" value="<?=h(read_article_id($d))?>">
    <label class="switch-label">
      <input type="checkbox" name="map_hidden" value="1" <?=$mapHidden?'checked':''?>>
      <span class="switch-ui" aria-hidden="true"></span><span class="switch-text">Hide map</span>
    </label>
    <noscript><button type="submit">Apply</button></noscript>
  </form>
  <?php if($hasVideo): ?><time class="admin-time<?= $staleLabel ? ' admin-time-stale' : '' ?>" title="<?=h($staleLabel ?: 'Video created at')?>"><?=h(date('d.m.Y H:i', filemtime($displayVideoPath)))?></time><?php endif; ?>
</div><div class="admin-actions"><?php if($running): ?><span class="button disabled" title="Rendering now" data-edit-action="1">Rendering</span><?php else: ?><a class="button" href="?id=<?=rawurlencode(read_article_id($d))?>&edit=<?=rawurlencode(basename($d))?>" data-edit-action="1" data-edit-href="?id=<?=rawurlencode(read_article_id($d))?>&edit=<?=rawurlencode(basename($d))?>">Edit</a><?php endif; ?></div></div><?php $articleIdForLink = read_article_id($d); $titlePlain = $meta['title'] ?: ($info['title'] ?? basename($d)); $titleText = h($titlePlain); $dateFilterUrl = $meta['date'] ? ('admin.php?tab=edit&q=' . rawurlencode('date=' . $meta['date'])) : ''; $locFilterUrl = $meta['location'] ? ('admin.php?tab=edit&q=' . rawurlencode('location=' . $meta['location'])) : ''; ?><h2 class="video-row-title" data-title-text="<?=h($titlePlain)?>" data-permalink-url="index.php?id=<?=rawurlencode($articleIdForLink)?>"><?php if(article_id_is_valid($articleIdForLink)): ?><a href="index.php?id=<?=rawurlencode($articleIdForLink)?>" target="_blank"><?= $titleText ?></a><?php else: ?><?= $titleText ?><?php endif; ?></h2><p class="meta"><?php if($meta['date']): ?><a class="meta-filter" href="<?=h($dateFilterUrl)?>" title="Filter by date"><?=h($meta['date'])?></a><?php endif; ?><?php if($meta['location']): ?><a class="meta-filter" href="<?=h($locFilterUrl)?>" title="Filter by location"><?=h($meta['location'])?></a><?php endif; ?></p><?php if(!empty($meta['teaser'])): ?><p class="description-teaser"><?=h((string)$meta['teaser'])?></p><?php endif; ?><?php if($meta['description']): ?><p class="description"><?=nl2br(h($meta['description']), false)?></p><?php endif; ?><?php if(!empty($meta['quote_da'])): ?><p class="description-quote">“<?=h(trim((string)$meta['quote_da'], "\"“”"))?>”</p><?php endif; ?><?php $detailParts = []; if(!$hasVideo) $detailParts[] = 'No video'; if($previewVideo) $detailParts[] = 'Preview video'; $detailParts[] = basename($d); $detailParts[] = (string)($info['file_count'] ?? count(list_files($d))) . ' files'; ?><p class="details"><?=h(implode(' · ', $detailParts))?></p></div></article><?php endforeach; ?></div><?=page_links('edit',$editPage,$editPages)?></section><?php endif; ?>
<?php if($tab==='edit' && $editDir && $editRunning): ?><section><h2>Edit input dir</h2><p><code>in-dir/<?=h(basename($editDir))?></code></p><div class="err">This input directory is <?=h($editStatus)?>. Editing is disabled until the job completes.</div></section><?php endif; ?>
<?php if($tab==='edit' && $editDir && !$editRunning): ?><section><h2>Edit input dir</h2><p><code>in-dir/<?=h(basename($editDir))?></code></p><form method="post" enctype="multipart/form-data" id="edit-form"><input type="hidden" name="action" value="update"><input type="hidden" name="dir" value="<?=h(basename($editDir))?>"><input type="hidden" name="id" value="<?=h(ensure_article_id($editDir))?>"><label>Title<input name="title" value="<?=h($editData['title'])?>"></label><label>Teaser<input name="teaser" value="<?=h($editData['teaser'])?>" maxlength="240"></label><label>Danish quote<input name="quote_da" value="<?=h($editData['quote_da'])?>" maxlength="280"></label><label>Date<input name="date" value="<?=h($editData['date'])?>"></label><label>Place<input name="place" value="<?=h($editData['place'])?>"></label><label>Description<textarea name="description" maxlength="5000" data-counter="description-counter-edit"><?=h($editData['description'])?></textarea><small id="description-counter-edit" class="counter"></small></label><label>Add images / videos<input type="file" name="media[]" multiple accept="image/*,video/*"></label><label>Add audio<input type="file" name="audio[]" multiple accept="audio/*"></label><h3>Files and captions</h3><div class="file-list"><?php foreach($editFiles as $f): $ext=strtolower(pathinfo($f, PATHINFO_EXTENSION)); $fileUrl='in-dir/'.rawurlencode(basename($editDir)).'/'.rawurlencode($f); ?><div class="caption-row"><div class="preview"><?php if(in_array($ext,['jpg','jpeg','png','webp','gif'])): ?><img src="<?=h($fileUrl)?>" alt=""><?php elseif(in_array($ext,['mp4','mov','m4v','webm'])): ?><video src="<?=h($fileUrl)?>" controls preload="metadata"></video><a class="download-link" href="<?=h($fileUrl)?>" download>Download</a><?php else: ?><span><?=h(strtoupper($ext ?: 'FILE'))?></span><?php endif; ?></div><div class="caption-fields"><strong><?=h($f)?></strong><?php if(in_array($ext,['jpg','jpeg','png','webp','gif','mp4','mov','m4v','webm'])): ?><input type="hidden" name="caption_files[]" value="<?=h($f)?>"><textarea name="captions[]" placeholder="Optional caption for this file"><?=h($editData['captions'][$f] ?? '')?></textarea><?php if(in_array($ext,['mp4','mov','m4v','webm'])): ?><label class="checkbox-label"><input type="checkbox" name="use_audio_files[]" value="<?=h($f)?>" <?=!empty($editData['video_audio'][$f])?'checked':''?>> <span>Use video file audio</span></label><?php endif; ?><?php else: ?><small>No caption for audio files</small><?php endif; ?></div><div class="file-actions" style="display:flex;gap:.45rem;flex-wrap:wrap;align-self:start"><?php if(in_array($ext,['jpg','jpeg','png','webp','gif'])): ?><button type="button" class="set-thumb-btn" onclick="setThumb(<?=h(json_encode($f))?>)">Set as thumb</button><?php endif; ?><?php if(in_array($ext,['jpg','jpeg','png','webp','gif','mp4','mov','m4v','webm'])): ?><button type="button" class="button order-btn-up" title="Move up" onclick="moveFileOrder(<?=h(json_encode($f))?>,'up',this.closest('.caption-row'),this)">↑</button><button type="button" class="button order-btn-down" title="Move down" onclick="moveFileOrder(<?=h(json_encode($f))?>,'down',this.closest('.caption-row'),this)">↓</button><?php endif; ?><button type="button" onclick="deleteFile(<?=h(json_encode($f))?>)">Remove</button></div></div><?php endforeach; ?></div><button type="submit">Save changes</button></form><form method="post" id="delete-file-form" style="display:none"><input type="hidden" name="action" value="delete_file"><input type="hidden" name="dir" value="<?=h(basename($editDir))?>"><input type="hidden" name="id" value="<?=h(ensure_article_id($editDir))?>"><input type="hidden" name="file" id="delete-file-name" value=""></form><form method="post" onsubmit="return confirm(\'Delete this input directory\?\')" id="delete-dir-form""><input type="hidden" name="action" value="delete_dir"><input type="hidden" name="dir" value="<?=h(basename($editDir))?>"><input type="hidden" name="id" value="<?=h(ensure_article_id($editDir))?>"><label class="checkbox-label"><input type="checkbox" name="delete_output" value="1"> <span>Also delete generated video, if any</span></label><button class="danger" type="submit">Delete Article</button></form></section><?php endif; ?>
<?php if($tab==='new'): ?><section><h2>Add new movie input</h2><form method="post" enctype="multipart/form-data" id="new-form"><input type="hidden" name="action" value="create"><label>Title*<input name="title" required></label><label>Teaser<input name="teaser" maxlength="240"></label><label>Danish quote<input name="quote_da" maxlength="280"></label><label>Date<input name="date" placeholder="2026-05-25"></label><label>Place<input name="place"></label><label>Description<textarea name="description" maxlength="5000" data-counter="description-counter-new"></textarea><small id="description-counter-new" class="counter"></small></label><label>Images / videos*<input type="file" name="media[]" multiple required accept="image/*,video/*"></label><label>Audio (optional)<input type="file" name="audio[]" multiple accept="audio/*"></label><button type="submit">Create</button></form></section><?php endif; ?>
<script>
function deleteFile(name){
  if(!confirm('Remove this file?')) return;
  var form = document.getElementById('delete-file-form');
  if(!form){ showToast('Internal error: delete form not found', false); return; }
  var dirInput = form.querySelector('input[name=dir]');
  var dir = dirInput ? dirInput.value : '';
  var idInput = form.querySelector('input[name=id]');
  var articleId = idInput ? idInput.value : '';

  // find the caption-row for this file name
  var rows = document.querySelectorAll('.caption-row');
  var target = null;
  for(var i=0;i<rows.length;i++){
    var strong = rows[i].querySelector('.caption-fields strong') || rows[i].querySelector('strong');
    if(!strong) continue;
    if(strong.textContent.trim() === name){ target = rows[i]; break; }
  }

  var body = 'action=delete_file&dir=' + encodeURIComponent(dir) + '&id=' + encodeURIComponent(articleId) + '&file=' + encodeURIComponent(name) + '&ajax=1';
  fetch('admin.php', {
    method: 'POST',
    credentials: 'same-origin',
    headers: {'Content-Type': 'application/x-www-form-urlencoded'},
    body: body
  }).then(function(r){ return r.json().catch(function(){ return { ok: false, message: 'Invalid server response' }; }); })
  .then(function(json){
    if(!json || !json.ok) throw new Error(json && (json.error || json.message) ? (json.error || json.message) : 'Delete failed');
    if(target) target.remove();
    refreshFileOrderButtons();
    showToast(json.message || ('Removed ' + name), true);
  }).catch(function(err){
    showToast(err.message || String(err), false);
  });
}

var thumbBusyOverlay = null;
function ensureThumbBusyStyles(){
  if(document.getElementById('thumb-busy-styles')) return;
  var style = document.createElement('style');
  style.id = 'thumb-busy-styles';
  style.textContent = '@keyframes mvlog-spin{to{transform:rotate(360deg)}}' +
    '#thumb-busy-overlay{position:fixed;inset:0;background:rgba(17,24,39,.42);backdrop-filter:blur(1px);display:none;align-items:center;justify-content:center;z-index:2990;}' +
    '#thumb-busy-overlay.show{display:flex;}' +
    '#thumb-busy-overlay .panel{background:rgba(15,23,42,.92);color:#F3F4F6;border:1px solid rgba(255,255,255,.14);box-shadow:0 20px 60px rgba(0,0,0,.38);border-radius:16px;padding:22px 28px;min-width:240px;text-align:center;}' +
    '#thumb-busy-overlay .spinner{width:52px;height:52px;border:5px solid rgba(255,255,255,.18);border-top-color:#F3F4F6;border-radius:50%;margin:0 auto 14px;animation:mvlog-spin .8s linear infinite;}' +
    '#thumb-busy-overlay .label{font-size:1rem;font-weight:600;}' +
    'button.set-thumb-btn.is-busy-target{opacity:.55;cursor:not-allowed;}';
  document.head.appendChild(style);
}
function ensureThumbBusyOverlay(){
  if(thumbBusyOverlay) return thumbBusyOverlay;
  thumbBusyOverlay = document.getElementById('thumb-busy-overlay');
  if(thumbBusyOverlay) return thumbBusyOverlay;
  ensureThumbBusyStyles();
  thumbBusyOverlay = document.createElement('div');
  thumbBusyOverlay.id = 'thumb-busy-overlay';
  thumbBusyOverlay.innerHTML = '<div class="panel"><div class="spinner"></div><div class="label">Creating thumbnail…</div></div>';
  document.body.appendChild(thumbBusyOverlay);
  return thumbBusyOverlay;
}
function setThumbButtonsDisabled(disabled){
  var buttons = document.querySelectorAll('button.set-thumb-btn');
  for(var i=0;i<buttons.length;i++){
    buttons[i].disabled = disabled;
    buttons[i].classList.toggle('is-busy-target', disabled);
  }
}
function showThumbBusy(label){
  var overlay = ensureThumbBusyOverlay();
  setThumbButtonsDisabled(true);
  var text = overlay.querySelector('.label');
  if(text && label) text.textContent = label;
  overlay.classList.add('show');
}
function hideThumbBusy(){
  if(thumbBusyOverlay) thumbBusyOverlay.classList.remove('show');
  setThumbButtonsDisabled(false);
}
function setThumb(name){
  var ctx = getEditDirContext();
  if(!ctx.dir){ showToast('Internal error: missing input dir', false); return; }
  showThumbBusy('Creating thumbnail…');
  var body = 'action=set_video_thumb&dir=' + encodeURIComponent(ctx.dir) + '&id=' + encodeURIComponent(ctx.id) + '&file=' + encodeURIComponent(name) + '&ajax=1';
  fetch('admin.php', {
    method: 'POST',
    credentials: 'same-origin',
    headers: {'Content-Type': 'application/x-www-form-urlencoded'},
    body: body
  }).then(function(r){ return r.json().catch(function(){ return { ok:false, message:'Invalid server response' }; }); })
  .then(function(json){
    if(!json || !json.ok) throw new Error((json && (json.error || json.message)) ? (json.error || json.message) : 'Set thumb failed');
    showToast(json.message || ('Thumbnail set from ' + name), true);
    setTimeout(hideThumbBusy, 120);
  }).catch(function(err){
    showToast(err.message || String(err), false);
    setTimeout(hideThumbBusy, 120);
  });
}

function getEditDirContext(){
  var form = document.getElementById('delete-file-form');
  if(!form) return {dir:'', id:''};
  var dirInput = form.querySelector('input[name=dir]');
  var idInput = form.querySelector('input[name=id]');
  return {
    dir: dirInput ? dirInput.value : '',
    id: idInput ? idInput.value : ''
  };
}

function captionRowFileName(row){
  if(!row) return '';
  var strong = row.querySelector('.caption-fields strong') || row.querySelector('strong');
  return strong ? strong.textContent.trim() : '';
}

function isVisualMediaName(name){
  var lower = String(name || '').toLowerCase();
  return /\.(jpg|jpeg|png|webp|gif|mp4|mov|m4v|avi|mkv|webm)$/.test(lower);
}

function getVisualCaptionRows(){
  return Array.prototype.slice.call(document.querySelectorAll('.caption-row')).filter(function(row){
    return isVisualMediaName(captionRowFileName(row));
  });
}

function moveFileOrder(name, direction, row, triggerBtn){
  var ctx = getEditDirContext();
  if(!ctx.dir){ showToast('Internal error: missing input dir', false); return; }
  if(triggerBtn) triggerBtn.disabled = true;

  var body = 'action=reorder_file'
    + '&dir=' + encodeURIComponent(ctx.dir)
    + '&id=' + encodeURIComponent(ctx.id)
    + '&file=' + encodeURIComponent(name)
    + '&direction=' + encodeURIComponent(direction)
    + '&ajax=1';

  fetch('admin.php', {
    method: 'POST',
    credentials: 'same-origin',
    headers: {'Content-Type': 'application/x-www-form-urlencoded'},
    body: body
  }).then(function(r){ return r.json().catch(function(){ return { ok:false, error:'Invalid server response' }; }); })
  .then(function(json){
    if(!json || !json.ok) throw new Error((json && (json.error || json.message)) ? (json.error || json.message) : 'Reorder failed');

    if(row && json.changed){
      var rows = getVisualCaptionRows();
      var idx = rows.indexOf(row);
      if(direction === 'up' && idx > 0){
        row.parentNode.insertBefore(row, rows[idx - 1]);
      } else if(direction === 'down' && idx >= 0 && idx < rows.length - 1){
        row.parentNode.insertBefore(rows[idx + 1], row);
      }
    }

    refreshFileOrderButtons();
    showToast(json.message || 'Order updated', true);
  }).catch(function(err){
    showToast(err.message || String(err), false);
  }).finally(function(){
    if(triggerBtn) triggerBtn.disabled = false;
  });
}

function ensureFileOrderButtons(){
  var rows = document.querySelectorAll('.caption-row');
  for(var i=0;i<rows.length;i++){
    var row = rows[i];
    if(row.dataset.orderButtons === '1') continue;

    var fileName = captionRowFileName(row);
    if(!isVisualMediaName(fileName)) { row.dataset.orderButtons = '1'; continue; }

    var existingUp = row.querySelector('.order-btn-up');
    var existingDown = row.querySelector('.order-btn-down');
    if(existingUp || existingDown) { row.dataset.orderButtons = '1'; continue; }

    var removeBtn = row.querySelector('button[onclick*="deleteFile"]');
    if(!removeBtn) { row.dataset.orderButtons = '1'; continue; }

    var wrap = document.createElement('span');
    wrap.className = 'file-order-controls';
    wrap.style.display = 'inline-flex';
    wrap.style.gap = '6px';
    wrap.style.marginRight = '8px';

    var upBtn = document.createElement('button');
    upBtn.type = 'button';
    upBtn.className = 'button order-btn-up';
    upBtn.textContent = '↑';
    upBtn.title = 'Move up';
    upBtn.style.padding = '0.2rem 0.45rem';

    var downBtn = document.createElement('button');
    downBtn.type = 'button';
    downBtn.className = 'button order-btn-down';
    downBtn.textContent = '↓';
    downBtn.title = 'Move down';
    downBtn.style.padding = '0.2rem 0.45rem';

    (function(r, file, up, down){
      up.addEventListener('click', function(){ moveFileOrder(file, 'up', r, up); });
      down.addEventListener('click', function(){ moveFileOrder(file, 'down', r, down); });
    })(row, fileName, upBtn, downBtn);

    wrap.appendChild(upBtn);
    wrap.appendChild(downBtn);
    row.insertBefore(wrap, removeBtn);
    row.dataset.orderButtons = '1';
  }
}

function refreshFileOrderButtons(){
  ensureFileOrderButtons();
  var rows = getVisualCaptionRows();
  for(var i=0;i<rows.length;i++){
    var row = rows[i];
    var up = row.querySelector('.order-btn-up');
    var down = row.querySelector('.order-btn-down');
    if(up) up.disabled = (i === 0);
    if(down) down.disabled = (i === rows.length - 1);
  }
}

document.addEventListener('DOMContentLoaded', refreshFileOrderButtons);
</script>
<script>
function showToast(message, ok, details){
  let wrap=document.getElementById('toast-wrap');
  if(!wrap){
    wrap=document.createElement('div');
    wrap.id='toast-wrap';
    wrap.className='toast-wrap';
    document.body.appendChild(wrap);
  }
  const toast=document.createElement('div');
  toast.className='toast '+(ok? 'ok-toast' : 'err-toast');
  toast.style.pointerEvents = 'auto';
  const text=document.createElement('div');
  text.style.whiteSpace='normal';
  text.textContent=message;
  toast.appendChild(text);

  if(details){
    const actions=document.createElement('div');
    actions.style.marginTop='8px';
    actions.style.textAlign='right';
    const dbtn=document.createElement('button');
    dbtn.className='button';
    dbtn.textContent='Details';
    dbtn.style.padding='0.35rem 0.6rem';
    dbtn.style.fontSize='0.85rem';
    dbtn.addEventListener('click', function(e){ e.stopPropagation(); e.preventDefault(); showLogModal('Generator log', details); });
    actions.appendChild(dbtn);
    toast.appendChild(actions);
  }

  wrap.appendChild(toast);
  requestAnimationFrame(function(){toast.classList.add('show');});
  const timeout = details ? 15000 : 4000;
  setTimeout(function(){
    toast.classList.remove('show');
    setTimeout(function(){toast.remove();},250);
  }, timeout);
}

function showLogModal(title, text){
  var existing=document.getElementById('mvlog-log-modal');
  if(existing) existing.remove();
  var overlay=document.createElement('div');
  overlay.id='mvlog-log-modal';
  overlay.style.cssText='position:fixed;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,0.6);display:flex;align-items:center;justify-content:center;z-index:10001;';
  var box=document.createElement('div');
  box.style.cssText='background:white;color:#111;padding:16px;max-width:90%;max-height:80vh;overflow:auto;border-radius:6px;font-family:inherit;';
  var h=document.createElement('h3');
  h.textContent=title||'Details';
  var pre=document.createElement('pre');
  pre.style.cssText='white-space:pre-wrap;font-family:monospace;margin-top:10px;border:1px solid #eee;padding:12px;background:#f8f8f8;border-radius:4px; max-height:60vh; overflow:auto;';
  pre.textContent=text||'';
  var btnBar=document.createElement('div');
  btnBar.style.cssText='margin-top:12px;text-align:right;';
  var copyBtn=document.createElement('button');
  copyBtn.className='button'; copyBtn.textContent='Copy';
  var closeBtn=document.createElement('button'); closeBtn.className='button'; closeBtn.textContent='Close'; closeBtn.style.marginLeft='8px';
  btnBar.appendChild(copyBtn); btnBar.appendChild(closeBtn);
  box.appendChild(h); box.appendChild(pre); box.appendChild(btnBar); overlay.appendChild(box); document.body.appendChild(overlay);

  closeBtn.addEventListener('click', function(){ overlay.remove(); });
  copyBtn.addEventListener('click', function(){ try{ navigator.clipboard.writeText(text).then(function(){ showToast('Copied to clipboard', true); }, function(){ showToast('Copy failed', false); }); }catch(e){ showToast('Copy failed', false); } });
}


const editForm=document.getElementById('edit-form');
if(editForm) handleAjaxFormSubmit(editForm, 'edit');

const newForm=document.getElementById('new-form');
if(newForm) handleAjaxFormSubmit(newForm, 'edit');

const deleteFileForm=document.getElementById('delete-file-form');
if(deleteFileForm) handleAjaxFormSubmit(deleteFileForm, 'edit');

const deleteDirForm=document.getElementById('delete-dir-form');
if(deleteDirForm) handleAjaxFormSubmit(deleteDirForm, 'edit');

// For old delete video forms
// Redirect tab defaults to videos

for(const form of document.querySelectorAll('.js-ajax-form')) {
  handleAjaxFormSubmit(form, form.dataset.redirectTab || 'videos');
}

function handleAjaxFormSubmit(form, redirectTab) {
  form.addEventListener('submit', async (event) => {
    event.preventDefault();
    const submit = form.querySelector('button[type="submit"]');
    const data = new FormData(form);
    data.set('ajax', '1');

    const action = String(data.get('action') || '');
    const verb = action === 'update' ? 'Saving changes…'
      : action === 'delete_video' ? 'Deleting'
      : action === 'delete_dir' ? 'Deleting'
      : action === 'delete_file' ? 'Deleting'
      : action === 'create' ? 'Creating'
      : 'Working';

    let timer = 0;
    let success = false;
    const useBusyOverlay = action === 'update' || action === 'create';
    const busyLabel = action === 'create' ? 'Creating input directory…' : 'Saving changes…';
    if (submit) {
      submit.dataset.label = submit.dataset.label || submit.textContent.trim() || 'Submit';
      submit.disabled = true;
      submit.style.opacity = '0.78';
      submit.style.cursor = 'wait';
      if (!useBusyOverlay) {
        let dots = 0;
        submit.textContent = verb;
        timer = window.setInterval(function(){
          dots = (dots + 1) % 4;
          submit.textContent = verb + '.'.repeat(dots);
        }, 320);
      }
    }
    if (useBusyOverlay) showThumbBusy(busyLabel);

    try{
      const res = await fetch('admin.php', { method: 'POST', body: data, credentials: 'same-origin', headers: { 'Accept': 'application/json' }});
      const json = await res.json().catch(() => ({}));
      if(!res.ok || !json.ok) throw new Error(json.error || 'Operation failed');
      success = true;
      showToast(json.message || 'Operation successful', true);
      if (useBusyOverlay) setTimeout(hideThumbBusy, 120);
      setTimeout(() => { window.location.href = 'admin.php?tab=' + (json.tab || redirectTab); }, 450);
    } catch(e) {
      showToast(e.message || 'Operation failed', false);
      if (useBusyOverlay) setTimeout(hideThumbBusy, 120);
    } finally {
      if (timer) window.clearInterval(timer);
      if(submit && !success) {
        submit.disabled = false;
        submit.style.opacity = '';
        submit.style.cursor = '';
        submit.textContent = submit.dataset.label || 'Submit';
      }
      if (useBusyOverlay && !success) hideThumbBusy();
    }
  });
}
const initialMessage = <?= json_encode($msg ?? '') ?>;
if (initialMessage) showToast(initialMessage, true);
initSwitchForms();

function initSwitchForms(){
  document.querySelectorAll('.switch-form').forEach(function(form){
    const checkbox=form.querySelector('input[type="checkbox"]');
    if(!checkbox) return;
    checkbox.dataset.state = checkbox.checked ? '1' : '0';
    form.addEventListener('submit', function(event){ event.preventDefault(); });
    checkbox.addEventListener('change', function(event){
      event.preventDefault();
      handleSwitchToggle(form, checkbox);
    });
  });
}

async function handleSwitchToggle(form, checkbox){
  if(checkbox.disabled) return;
  const previousState = checkbox.dataset.state === '1';
  const data = new FormData(form);
  data.set('ajax', '1');
  if(checkbox.checked){
    data.set(checkbox.name, '1');
  }else{
    data.delete(checkbox.name);
  }
  checkbox.disabled = true;
  try{
    const res = await fetch('admin.php', { method: 'POST', body: data, credentials: 'same-origin', headers: { 'Accept': 'application/json' }});
    const json = await res.json().catch(() => ({}));
    if(!res.ok || !json.ok) throw new Error(json.error || 'Switch update failed');
    applySwitchPayload(json);
    showToast(json.message || 'Updated input directory', true);
  }catch(e){
    checkbox.checked = previousState;
    checkbox.dataset.state = previousState ? '1' : '0';
    showToast(e.message || 'Switch update failed', false);
  }finally{
    checkbox.disabled = false;
  }
}

function updateAdminRowTitleLink(row){
  if(!row) return;
  const titleEl = row.querySelector('h2');
  if(!titleEl) return;
  const title = titleEl.dataset.titleText || titleEl.textContent.trim();
  const url = titleEl.dataset.permalinkUrl || '';
  titleEl.textContent = '';
  if(url){
    const link = document.createElement('a');
    link.href = url;
    link.textContent = title;
    titleEl.appendChild(link);
  } else {
    titleEl.textContent = title;
  }
}

function applySwitchPayload(payload){
  if(!payload) return;
  let row = null;
  if(payload.id) row = document.querySelector('.admin-video-row[data-id="'+payload.id+'"]');
  if(!row && payload.dir) row = document.querySelector('.admin-video-row[data-job="'+payload.dir+'"]');
  if(!row) return;
  function setSwitch(type, value){
    const target = row.querySelector('form[data-switch="'+type+'"] input[type="checkbox"]');
    if(!target) return;
    target.checked = !!value;
    target.dataset.state = target.checked ? '1' : '0';
  }
  if('preview' in payload) setSwitch('preview', payload.preview);
  if('enabled' in payload) setSwitch('render', payload.enabled);
  if('map_hidden' in payload) setSwitch('hide-map', payload.map_hidden);
  if('permalink' in payload){
    setSwitch('permalink', payload.permalink);
    row.dataset.permalink = payload.permalink ? '1' : '0';
  }
  if('visible' in payload){
    setSwitch('show', payload.visible);
    row.classList.toggle('shown', !!payload.visible);
  }
  if('can_show' in payload){
    const showInput = row.querySelector('form[data-switch="show"] input[type="checkbox"]');
    if(showInput){
      showInput.disabled = !payload.can_show;
      if(!payload.can_show){
        showInput.checked = false;
        showInput.dataset.state = '0';
        row.classList.remove('shown');
      }
    }
  }
  if('can_permalink' in payload){
    row.dataset.canPermalink = payload.can_permalink ? '1' : '0';
    const permalinkInput = row.querySelector('form[data-switch="permalink"] input[type="checkbox"]');
    if(permalinkInput){
      permalinkInput.disabled = !payload.can_permalink;
    }
  }
  updateAdminRowTitleLink(row);
}
</script>
<script>

function initMetaFilters(){
  const form = document.querySelector('.admin-search-form');
  if(!form) return;
  const input = form.querySelector('input[name="q"]');
  if(!input) return;
  document.querySelectorAll('.meta-filter[data-search]').forEach(function(el){
    if(el.dataset.metaFilterBound === '1') return;
    el.dataset.metaFilterBound = '1';
    function applyFilter(){
      input.value = el.dataset.search || '';
      if (typeof form.requestSubmit === 'function') form.requestSubmit();
      else form.submit();
    }
    el.addEventListener('click', function(e){
      e.preventDefault();
      e.stopPropagation();
      applyFilter();
    });
    el.addEventListener('keydown', function(e){
      if(e.key === 'Enter' || e.key === ' '){
        e.preventDefault();
        applyFilter();
      }
    });
  });
}

document.addEventListener('DOMContentLoaded', initMetaFilters);

document.addEventListener('DOMContentLoaded', function(){
  const box=document.getElementById('job-status');
  if(!box) return;
  function fmt(job){
    const name=(job.name||'job').replace(/_/g,' ');
    const started=job.started_at ? new Date(job.started_at) : null;
    const ageText = started && !Number.isNaN(started.getTime()) ? ' <span class="job-age">(' + formatAge(started) + ')</span>' : '';
    return '<span class="job-dot"></span><span>'+name+'</span>'+ageText;
  }
  function formatAge(started){
    const seconds = Math.max(0, Math.floor((Date.now() - started.getTime()) / 1000));
    const h = Math.floor(seconds / 3600);
    const m = Math.floor((seconds % 3600) / 60);
    const s = seconds % 60;
    if (h > 0) return h + 'h ' + m + 'm';
    if (m > 0) return m + 'm ' + s + 's';
    return s + 's';
  }
  function syncEditButtons(runningIds, runningJobs){
    document.querySelectorAll('.admin-video-row[data-job]').forEach(function(row){
      const job=row.dataset.job || '';
      const articleId=row.dataset.id || '';
      const edit=row.querySelector('[data-edit-action="1"]');
      if(!edit) return;
      const running=(articleId && runningIds.has(articleId)) || runningJobs.has(job);
      if(edit.tagName === 'A'){
        if(running){
          if(!edit.dataset.editHref) edit.dataset.editHref = edit.getAttribute('href') || '';
          edit.removeAttribute('href');
          edit.classList.add('disabled');
          edit.setAttribute('aria-disabled', 'true');
          edit.title='Rendering now';
        }else{
          const href=edit.dataset.editHref || ('?edit=' + encodeURIComponent(job));
          edit.setAttribute('href', href);
          edit.classList.remove('disabled');
          edit.removeAttribute('aria-disabled');
          edit.title='Edit';
        }
      }else{
        edit.classList.toggle('disabled', running);
        edit.title=running ? 'Rendering now' : '';
      }
    });
  }
  async function updateJobs(){
    try{
      const r=await fetch('job_status.php',{cache:'no-store'});
      if(!r.ok) throw new Error('status failed');
      const data=await r.json();
      const jobs=(data.jobs||[]).filter(function(job){ return job && (job.name || job.id); });
      const runningIds=new Set(jobs.map(function(job){ return String(job.id || ''); }).filter(function(v){ return v !== ''; }));
      const runningJobs=new Set(jobs.map(function(job){ return String(job.name || ''); }).filter(function(v){ return v !== ''; }));
      syncEditButtons(runningIds, runningJobs);
      if(!jobs.length){
        box.hidden=true;
        box.innerHTML='';
        return;
      }
      box.hidden=false;
      box.innerHTML=jobs.map(fmt).join('');
    }catch(e){
      if(box.innerHTML.trim() !== '') box.hidden=false;
    }
  }
  updateJobs();
  setInterval(updateJobs,32000);
});
</script></main>
<footer>Input dirs are saved under <code>in-dir/</code>.</footer>
<?php include __DIR__ . '/_footer_admin.php'; ?>
</body></html>