<?php
$config = require __DIR__ . "/config.php";
foreach (["videos_dir", "thumbs_dir", "uploads_dir"] as $d) if (!is_dir($config[$d])) mkdir($config[$d], 0775, true);
function h($s){ return htmlspecialchars((string)$s, ENT_QUOTES, "UTF-8"); }
function slugify($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($dir); }
function input_dirs($base){ $dirs = glob($base.'/*', GLOB_ONLYDIR) ?: []; usort($dirs, fn($a,$b)=>filemtime($b)<=>filemtime($a)); return $dirs; }
function safe_input_dir($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 $path; }
function read_data($dir){
    $data = ['title'=>'','date'=>'','place'=>'','description'=>'']; $file = $dir . '/data.txt';
    if (!is_file($file)) return $data;
    $header = []; $description = []; $inDescription = false;
    foreach (file($file, FILE_IGNORE_NEW_LINES) as $line) {
        $line = trim($line);
        if ($line === '' && ($header || $inDescription)) { $inDescription = true; continue; }
        if ($line === '' || str_starts_with($line, '#')) continue;
        if (str_contains($line, ':')) continue; // key:value is only for per-file captions
        if ($inDescription) $description[] = $line; else $header[] = $line;
    }
    if ($header) $data['title'] = $header[0];
    if (count($header) > 1) $data['place'] = $header[1];
    if (count($header) > 2) $data['date'] = $header[2];
    if ($description) $data['description'] = implode("\n", $description);
    return $data;
}
function write_data($dir, $post){
    $title = trim($post['title'] ?? '');
    $place = trim($post['place'] ?? '');
    $date = trim($post['date'] ?? '');
    $description = trim($post['description'] ?? '');
    $lines = [];
    if ($title !== '') $lines[] = $title;
    if ($place !== '') $lines[] = $place;
    if ($place !== '' && $date !== '') $lines[] = $date;
    if ($description !== '') { $lines[] = ''; $lines[] = $description; }
    file_put_contents($dir . '/data.txt', implode("\n", $lines) . "\n");
}
function list_files($dir){ $files = array_values(array_filter(scandir($dir), fn($f)=>$f!=='.' && $f!=='..' && is_file($dir.'/'.$f) && $f !== 'data.txt')); natcasesort($files); return $files; }
function save_uploads($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 = $err = null;
$allowedMedia = ['jpg','jpeg','png','webp','gif','mp4','mov','m4v','avi','mkv','webm'];
$allowedAudio = ['mp3','wav','m4a','aac','ogg','flac'];
try {
    if ($_SERVER['REQUEST_METHOD'] === 'POST') {
        $action = $_POST['action'] ?? 'create';
        if ($action === 'create') {
            $title = trim($_POST['title'] ?? '');
            if ($title === '') throw new RuntimeException('Title is required.');
            $slug = date('Ymd_His') . '_' . slugify($title);
            $dir = $config['uploads_dir'] . '/' . $slug;
            if (!mkdir($dir, 0775, true)) throw new RuntimeException('Cannot create input directory.');
            $media = save_uploads('media', $dir, $allowedMedia);
            if (!$media) { rrmdir($dir); throw new RuntimeException('Upload at least one image or video.'); }
            save_uploads('audio', $dir, $allowedAudio);
            write_data($dir, $_POST);
            $msg = "Created movmaker input directory: in-dir/$slug";
            $_GET['edit'] = $slug;
        } elseif ($action === 'update') {
            $dir = safe_input_dir($config['uploads_dir'], $_POST['dir'] ?? '');
            write_data($dir, $_POST);
            save_uploads('media', $dir, $allowedMedia);
            save_uploads('audio', $dir, $allowedAudio);
            $msg = 'Updated input directory: in-dir/' . basename($dir);
            $_GET['edit'] = basename($dir);
        } elseif ($action === 'delete_file') {
            $dir = safe_input_dir($config['uploads_dir'], $_POST['dir'] ?? '');
            $file = basename((string)($_POST['file'] ?? ''));
            if ($file === '' || $file === 'data.txt' || !is_file($dir.'/'.$file)) throw new RuntimeException('Invalid file.');
            unlink($dir.'/'.$file);
            $msg = 'Removed file: ' . $file;
            $_GET['edit'] = basename($dir);
        } elseif ($action === 'delete_dir') {
            $dir = safe_input_dir($config['uploads_dir'], $_POST['dir'] ?? '');
            $name = basename($dir); rrmdir($dir); $msg = 'Deleted input directory: in-dir/' . $name;
        }
    }
} catch (Throwable $e) { $err = $e->getMessage(); }
$dirs = input_dirs($config['uploads_dir']);
$editName = $_GET['edit'] ?? '';
$editDir = null; $editData = ['title'=>'','date'=>'','place'=>'','description'=>'']; $editFiles = [];
if ($editName !== '') { try { $editDir = safe_input_dir($config['uploads_dir'], $editName); $editData = read_data($editDir); $editFiles = list_files($editDir); } catch (Throwable $e) { $err = $e->getMessage(); } }
?>
<!doctype html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Admin - <?=h($config['site_name'])?></title><link rel="stylesheet" href="style.css"></head><body>
<header><h1>MVLog Admin</h1><nav><a href="index.php">Back</a></nav></header><main>
<?php if($msg): ?><div class="ok"><?=h($msg)?></div><?php endif; ?><?php if($err): ?><div class="err"><?=h($err)?></div><?php endif; ?>
<section><h2>Existing input dirs</h2><?php if(!$dirs): ?><p>No input directories yet.</p><?php endif; ?><div class="admin-list"><?php foreach($dirs as $d): $data=read_data($d); ?><div class="admin-item"><div><strong><?=h($data['title'] ?: basename($d))?></strong><br><span><?=h(basename($d))?> · <?=h(count(list_files($d)))?> files</span></div><a class="button" href="?edit=<?=rawurlencode(basename($d))?>">Edit</a></div><?php endforeach; ?></div></section>
<?php if($editDir): ?><section><h2>Edit input dir</h2><p><code>in-dir/<?=h(basename($editDir))?></code></p><form method="post" enctype="multipart/form-data"><input type="hidden" name="action" value="update"><input type="hidden" name="dir" value="<?=h(basename($editDir))?>"><label>Title<input name="title" value="<?=h($editData['title'])?>"></label><label>Date<input name="date" value="<?=h($editData['date'])?>"></label><label>Place<input name="place" value="<?=h($editData['place'])?>"></label><label>Description<textarea name="description"><?=h($editData['description'])?></textarea></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><button type="submit">Save changes</button></form><h3>Files</h3><div class="file-list"><?php foreach($editFiles as $f): ?><form method="post" class="file-row"><input type="hidden" name="action" value="delete_file"><input type="hidden" name="dir" value="<?=h(basename($editDir))?>"><input type="hidden" name="file" value="<?=h($f)?>"><span><?=h($f)?></span><button type="submit" onclick="return confirm('Remove this file?')">Remove</button></form><?php endforeach; ?></div><form method="post" onsubmit="return confirm('Delete this whole input directory?')"><input type="hidden" name="action" value="delete_dir"><input type="hidden" name="dir" value="<?=h(basename($editDir))?>"><button type="submit">Delete input dir</button></form></section><?php endif; ?>
<?php if(!$editDir): ?><section><h2>Add new movie input</h2><form method="post" enctype="multipart/form-data"><input type="hidden" name="action" value="create"><label>Title*<input name="title" required></label><label>Date<input name="date" placeholder="2026-05-25"></label><label>Place<input name="place"></label><label>Description<textarea name="description"></textarea></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 input-dir</button></form></section><?php endif; ?>
</main><footer>Input dirs are saved under <code>in-dir/</code>.</footer></body></html>