<?php
ini_set('log_errors', 1);
ini_set('error_log', __DIR__ . '/php_errors.log');
error_reporting(E_ALL);
header("Content-Type: application/json; charset=UTF-8");
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: GET, POST, DELETE, OPTIONS");
header("Access-Control-Allow-Headers: Content-Type, Authorization");
header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') { http_response_code(200); exit; }

define('ENCRYPTION_KEY', 'MaCleSecreteSuperRobuste123!');

try {
    $pdo = new PDO("mysql:host=localhost;dbname=mon_cinema;charset=utf8mb4", "root", "", [
        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
    ]);
    
    $pdo->exec("CREATE TABLE IF NOT EXISTS users (id INT PRIMARY KEY, username VARCHAR(50) NOT NULL, password_hash VARCHAR(255) NOT NULL)");
    $pdo->exec("CREATE TABLE IF NOT EXISTS config (key_name VARCHAR(50) PRIMARY KEY, key_value TEXT NOT NULL)");
    $pdo->exec("CREATE TABLE IF NOT EXISTS critiques (id BIGINT PRIMARY KEY, title VARCHAR(255) NOT NULL, year VARCHAR(10), director VARCHAR(255), poster TEXT, rating DECIMAL(3,1) DEFAULT 3.0, review TEXT, streaming VARCHAR(255))");
    try { $pdo->exec("ALTER TABLE critiques MODIFY COLUMN rating DECIMAL(3,1) DEFAULT 3.0"); } catch (\Exception $e) {}
    
    $pdo->exec("CREATE TABLE IF NOT EXISTS videotheque (id BIGINT PRIMARY KEY, title VARCHAR(255) NOT NULL, year VARCHAR(10), director VARCHAR(255), poster TEXT, format VARCHAR(50), length VARCHAR(50), publisher VARCHAR(255), ean_isbn13 VARCHAR(50), number_of_discs INT DEFAULT 1, aspect_ratio VARCHAR(50), description TEXT, actors TEXT)");
    try { $pdo->exec("ALTER TABLE videotheque ADD COLUMN actors TEXT AFTER description"); } catch (\Exception $e) {}
    
    try { $pdo->exec("DROP TABLE IF EXISTS cache_api"); } catch (\Exception $e) {}
    
} catch (\PDOException $e) { echo json_encode(["error" => "Erreur BDD : " . $e->getMessage()]); exit; }

// ── FONCTIONS UTILITAIRES ──
function makeStableId($type, $title, $year) {
    return (abs(crc32(strtolower(trim($type ?? '')) . '|' . strtolower(trim($title ?? '')) . '|' . trim($year ?? ''))) % 2000000000) + 100000000;
}

function checkAuth($pdo) {
    if ($pdo->query("SELECT COUNT(*) FROM users")->fetchColumn() == 0) return true;
    $token = $_SERVER['HTTP_AUTHORIZATION'] ?? '';
    if (empty($token) && function_exists('apache_request_headers')) {
        $headers = apache_request_headers();
        $token = $headers['Authorization'] ?? $headers['authorization'] ?? '';
    }
    if ($token !== md5(ENCRYPTION_KEY . 'session')) { http_response_code(403); echo json_encode(["error" => "Accès interdit."]); exit; }
}

function encryptData($data) {
    $iv = openssl_random_pseudo_bytes(16);
    $key = hash('sha256', ENCRYPTION_KEY, true);
    return base64_encode(openssl_encrypt($data, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv) . '::' . $iv);
}

function decryptData($str) {
    $decoded = base64_decode($str);
    if (strpos($decoded, '::') === false) return null;
    list($enc, $iv) = explode('::', $decoded, 2);
    return openssl_decrypt($enc, 'AES-256-CBC', hash('sha256', ENCRYPTION_KEY, true), OPENSSL_RAW_DATA, substr($iv, 0, 16));
}

function getTmdbApiKey($pdo) {
    $stmt = $pdo->prepare("SELECT key_value FROM config WHERE key_name = 'tmdb_api_key'");
    $stmt->execute();
    $row = $stmt->fetch();
    return $row ? decryptData($row['key_value']) : null;
}

function httpGet($url, $timeout = 3) {
    if (!function_exists('curl_init')) {
        $ctx = stream_context_create(['http' => ['timeout' => $timeout, 'user_agent' => 'MonCinema/5.0']]);
        return @file_get_contents($url, false, $ctx);
    }
    $ch = curl_init($url);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_TIMEOUT => $timeout,
        CURLOPT_CONNECTTIMEOUT => 2,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) MonCinema/5.0',
        CURLOPT_FOLLOWLOCATION => true
    ]);
    $res = curl_exec($ch);
    curl_close($ch);
    return $res ?: null;
}

function cleanTitle($title) {
    $clean = preg_replace('/\s*[\[\(].*?[\]\)]\s*/', '', $title);
    $clean = preg_replace('/\s*-\s*(Édition|Edition|Collector|Simple|Spéciale|Digibook|Ultimate|Intégrale|Combo|SteelBook|Boîtier).*$/i', '', $clean);
    $clean = preg_replace('/(blu-ray|bluray|dvd|4k|ultra hd|combo|vhs|bdrip).*$/i', '', $clean);
    return trim(preg_replace('/\s{2,}/', ' ', $clean));
}

function detectFormat($title, $desc = '') {
    $t = strtoupper($title . ' ' . $desc);
    if (strpos($t, '4K') !== false || strpos($t, 'UHD') !== false) return '4K Ultra HD';
    if (strpos($t, 'BLU-RAY') !== false || strpos($t, 'BLURAY') !== false) return 'Blu-ray';
    if (strpos($t, 'DVD') !== false) return 'DVD';
    if (strpos($t, 'VHS') !== false) return 'VHS';
    if (strpos($t, 'COFFRET') !== false || strpos($t, 'TRILOGIE') !== false) return 'Coffret';
    return 'Blu-ray';
}

function extractYear($dateStr) {
    if (preg_match('/(\d{4})/', $dateStr, $m)) return $m[1];
    return '';
}

// ── API DVDFr (réécriture complète) ──
function fetchDVDFr($ean, $pdo) {
    if (empty($ean) || strlen((string)$ean) < 8) return null;

    $ua = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36';
    $baseHeaders = [
        'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
        'Accept-Language: fr-FR,fr;q=0.9,en-US;q=0.8,en;q=0.7',
        'Accept-Encoding: gzip, deflate, br',
        'Connection: keep-alive',
    ];

    // ── Helpers internes ──
    $curlGet = function(string $url) use ($ua, $baseHeaders): ?string {
        $ch = curl_init($url);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_TIMEOUT        => 10,
            CURLOPT_CONNECTTIMEOUT => 5,
            CURLOPT_SSL_VERIFYPEER => false,
            CURLOPT_USERAGENT      => $ua,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_MAXREDIRS      => 5,
            CURLOPT_ENCODING       => '',          // décompression auto (gzip, br…)
            CURLOPT_HTTPHEADER     => $baseHeaders,
            CURLOPT_COOKIEFILE     => '',          // active le jar de cookies en mémoire
        ]);
        $body = curl_exec($ch);
        $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);
        if (!$body || $code !== 200) {
            error_log("DVDFr curlGet: HTTP $code pour $url");
            return null;
        }
        return $body;
    };

    $absoluteUrl = function(string $src): string {
        if (strpos($src, 'http') === 0)  return $src;
        if (strpos($src, '//')  === 0)   return 'https:' . $src;
        if (strpos($src, '/')   === 0)   return 'https://www.dvdfr.com' . $src;
        return 'https://www.dvdfr.com/' . $src;
    };

    // ── ÉTAPE 1 : trouver l'URL de la fiche via la recherche ──
    $searchHtml = $curlGet('https://www.dvdfr.com/search/?q=' . urlencode($ean));
    if (!$searchHtml) {
        error_log("DVDFr: échec de la page de recherche pour EAN $ean");
        return null;
    }

    // Patterns par ordre de priorité
    $ficheUrl = null;
    $patterns = [
        // lien direct vers une fiche /dvd/ ou /blu-ray/ contenant l'EAN dans l'URL
        '@href=["\']([^"\']*(?:dvd|blu-ray|4k|vhs|cd|coffret)[^"\']+\.html)["\']@i',
        // toute fiche .html dans le domaine dvdfr.com
        '@href=["\'](?:https?://(?:www\.)?dvdfr\.com)?(/[^"\']+\.html)["\']@i',
    ];
    foreach ($patterns as $pattern) {
        if (preg_match($pattern, $searchHtml, $m)) {
            $ficheUrl = $absoluteUrl($m[1]);
            break;
        }
    }

    if (!$ficheUrl) {
        error_log("DVDFr: aucune fiche trouvée pour EAN $ean");
        return null;
    }
    error_log("DVDFr: fiche → $ficheUrl");

    // ── ÉTAPE 2 : charger la fiche ──
    $html = $curlGet($ficheUrl);
    if (!$html) {
        error_log("DVDFr: impossible de charger la fiche $ficheUrl");
        return null;
    }

    // ── ÉTAPE 3 : extraction des données ──
    $result = [
        'poster'    => '',
        'title'     => '',
        'publisher' => '',
        'format'    => '',
        'length'    => '',
        'aspect'    => '',
        'discs'     => '',
    ];

    // --- 3a. AFFICHE ---
    // Priorité 1 : og:image (le plus fiable)
    if (preg_match('/<meta[^>]+property=["\']og:image["\'][^>]+content=["\']([^"\']+)["\']/i', $html, $m) ||
        preg_match('/<meta[^>]+content=["\']([^"\']+)["\'][^>]+property=["\']og:image["\']/i',  $html, $m)) {
        $result['poster'] = $m[1];
        error_log("DVDFr: affiche via og:image → " . $result['poster']);
    }

    // Priorité 2 : JSON-LD
    if (empty($result['poster'])) {
        preg_match_all('/<script[^>]+type=["\']application\/ld\+json["\'][^>]*>(.*?)<\/script>/is', $html, $scripts);
        foreach ($scripts[1] as $raw) {
            $json = json_decode($raw, true);
            if (!$json) continue;
            $img = $json['image'] ?? null;
            if ($img) {
                $result['poster'] = is_array($img) ? $img[0] : $img;
                error_log("DVDFr: affiche via JSON-LD → " . $result['poster']);
                break;
            }
        }
    }

    // Priorité 3 : image dans le bloc principal de la fiche (div.cover, div.product, etc.)
    if (empty($result['poster'])) {
        // Chercher dans un conteneur typique d'une fiche produit
        $coverBlock = '';
        if (preg_match('/<(?:div|figure|section)[^>]+(?:class|id)=["\'][^"\']*(?:cover|product|fiche|jaquette|packshot)[^"\']*["\'][^>]*>(.*?)<\/(?:div|figure|section)>/is', $html, $m)) {
            $coverBlock = $m[1];
        }
        $searchArea = $coverBlock ?: $html;

        preg_match_all('/<img[^>]+(?:src|data-src|data-lazy-src|data-original)=["\']([^"\']+)["\'][^>]*>/i', $searchArea, $imgs);
        foreach ($imgs[1] as $src) {
            // Exclusions : icônes, logos, UI, bannières pub
            if (preg_match('/(icon|logo|sprite|blank|spacer|pixel|tracking|banner|ad|pub|star|note|flag|arrow|btn|button|nav)/i', $src)) continue;
            // Doit avoir une extension image
            if (!preg_match('/\.(jpe?g|png|webp)(\?[^"\']*)?$/i', $src)) continue;
            // Exclure les data-URI
            if (strpos($src, 'data:') === 0) continue;
            $result['poster'] = $absoluteUrl($src);
            error_log("DVDFr: affiche via img scan → " . $result['poster']);
            break;
        }
    }

    // --- 3b. TITRE ---
    // og:title
    if (preg_match('/<meta[^>]+property=["\']og:title["\'][^>]+content=["\']([^"\']+)["\']/i', $html, $m) ||
        preg_match('/<meta[^>]+content=["\']([^"\']+)["\'][^>]+property=["\']og:title["\']/i',  $html, $m)) {
        $result['title'] = html_entity_decode(trim($m[1]), ENT_QUOTES | ENT_HTML5, 'UTF-8');
    }
    // fallback <h1>
    if (empty($result['title']) && preg_match('/<h1[^>]*>([^<]+)<\/h1>/i', $html, $m)) {
        $result['title'] = html_entity_decode(trim(strip_tags($m[1])), ENT_QUOTES | ENT_HTML5, 'UTF-8');
    }

    // --- 3c. MÉTADONNÉES : éditeur, format, durée, ratio, disques ---
    // Nettoyeur de valeur brute
    $clean = fn(string $s): string => trim(html_entity_decode(strip_tags($s), ENT_QUOTES | ENT_HTML5, 'UTF-8'));

    // Éditeur
    $publisherPatterns = [
        '@(?:diteur|distributeur|studio|label)\s*</?\w*>\s*:?\s*</?\w*>\s*([^<]{2,60})@i',
        '@(?:diteur|distributeur)\s*[:<]([^<]{2,60})@i',
        '@<[^>]+class=["\'][^"\']*(?:publisher|editor|editeur)[^"\']*["\'][^>]*>\s*([^<]{2,60})\s*</@i',
    ];
    foreach ($publisherPatterns as $pat) {
        if (preg_match($pat, $html, $m)) {
            $val = $clean($m[1]);
            if (strlen($val) > 1) { $result['publisher'] = $val; break; }
        }
    }

    // Format
    if (preg_match('/\b(4[Kk]\s*[Uu]ltra\s*[Hh][Dd]|Ultra\s*HD|UHD)\b/', $html)) {
        $result['format'] = '4K Ultra HD';
    } elseif (preg_match('/\b(Blu-?ray)\b/i', $html)) {
        $result['format'] = 'Blu-ray';
    } elseif (preg_match('/\bDVD\b/i', $html)) {
        $result['format'] = 'DVD';
    } elseif (preg_match('/\bVHS\b/i', $html)) {
        $result['format'] = 'VHS';
    }

    // Durée
    if (preg_match('/(?:dur[ée]{1,2}e?|duration)\s*[:<\/]?\s*(\d{1,4})\s*(?:min(?:utes?)?|mn)/i', $html, $m)) {
        $result['length'] = $m[1] . ' min';
    } elseif (preg_match('/(\d{1,2})h\s*(\d{2})\s*(?:min)?/i', $html, $m)) {
        $result['length'] = ((int)$m[1] * 60 + (int)$m[2]) . ' min';
    }

    // Ratio d'aspect
    if (preg_match('/(?:format\s*(?:image|vid[eé]o)|aspect\s*ratio|ratio)\s*[:<]?\s*([\d,. ]+[:×xX/][\d,. ]+)/i', $html, $m)) {
        $result['aspect'] = trim($m[1]);
    }

    // Nombre de disques
    if (preg_match('/(?:nombre\s*de\s*disques?|nb\.?\s*disques?|disques?)\s*[:<]?\s*(\d+)/i', $html, $m)) {
        $result['discs'] = (int)$m[1];
    }

    error_log("DVDFr: résultat final → " . json_encode($result, JSON_UNESCAPED_UNICODE));

    // Retourner null si rien d'utile récupéré
    $hasData = !empty($result['poster']) || !empty($result['publisher']) || !empty($result['title']);
    return $hasData ? $result : null;
}

// ── 2. API TMDB (SANS CACHE - TITRE FRANÇAIS) ──
function fetchTMDBFull($title, $year, $apiKey, $pdo) {
    if (empty($apiKey) || empty($title)) return null;
    $cleanTitle = cleanTitle($title);
    
    // 🔥 SUPPRESSION DES APPELS À getCache() QUI N'EXISTE PLUS
    
    $searchUrl = "https://api.themoviedb.org/3/search/movie?api_key={$apiKey}&query=" . urlencode($cleanTitle) . "&year={$year}&language=fr-FR";
    $searchRes = httpGet($searchUrl, 5);
    $searchData = $searchRes ? json_decode($searchRes, true) : [];
    
    if (empty($searchData['results'])) {
        $searchUrl = "https://api.themoviedb.org/3/search/movie?api_key={$apiKey}&query=" . urlencode($cleanTitle) . "&language=fr-FR";
        $searchRes = httpGet($searchUrl, 5);
        $searchData = $searchRes ? json_decode($searchRes, true) : [];
    }
    
    if (empty($searchData['results'])) return null;
    $movieId = $searchData['results'][0]['id'];
    
    $detailsUrl = "https://api.themoviedb.org/3/movie/{$movieId}?api_key={$apiKey}&append_to_response=credits,watch/providers,translations&language=fr-FR";
    $detailsRes = httpGet($detailsUrl, 5);
    if (!$detailsRes) return null;
    $details = json_decode($detailsRes, true);
    
    $frenchTitle = $details['title'] ?? '';
    
    if (!empty($details['translations']['translations'])) {
        foreach ($details['translations']['translations'] as $translation) {
            if ($translation['iso_3166_1'] === 'FR' && !empty($translation['data']['title'])) {
                $frenchTitle = $translation['data']['title'];
                break;
            }
        }
    }
    
    $director = '';
    if (!empty($details['credits']['crew'])) {
        $directorsList = [];
        foreach ($details['credits']['crew'] as $crew) {
            if ($crew['job'] === 'Director') $directorsList[] = $crew['name'];
        }
        $director = implode(', ', $directorsList);
    }
    
    $cast = [];
    if (!empty($details['credits']['cast'])) {
        $topCast = array_slice($details['credits']['cast'], 0, 4);
        foreach ($topCast as $actor) $cast[] = $actor['name'];
    }
    
    $overview = $details['overview'] ?? '';
    
    $streaming = '';
    $frProviders = $details['watch/providers']['results']['FR'] ?? [];
    $platforms = [];
    if (!empty($frProviders['flatrate'])) { foreach ($frProviders['flatrate'] as $p) $platforms[] = $p['provider_name']; }
    if (empty($platforms)) {
        if (!empty($frProviders['rent'])) { foreach ($frProviders['rent'] as $p) $platforms[] = $p['provider_name'] . ' (loc.)'; }
        if (!empty($frProviders['buy'])) { foreach ($frProviders['buy'] as $p) $platforms[] = $p['provider_name'] . ' (achat)'; }
    }
    if (!empty($platforms)) $streaming = implode(', ', array_unique($platforms));
    
    $result = [
        'title'     => $frenchTitle,
        'year'      => !empty($details['release_date']) ? substr($details['release_date'], 0, 4) : '',
        'director'  => $director,
        'poster'    => !empty($details['poster_path']) ? "https://image.tmdb.org/t/p/w500" . $details['poster_path'] : '',
        'length'    => !empty($details['runtime']) ? $details['runtime'] . ' min' : '',
        'streaming' => $streaming,
        'overview'  => $overview,
        'cast'      => $cast
    ];
    
    // 🔥 SUPPRESSION DE L'APPEL À setCache() QUI N'EXISTE PLUS
    
    return $result;
}

// ── ROUTEUR PRINCIPAL ──
$action = $_GET['action'] ?? '';
$data = json_decode(file_get_contents('php://input'), true) ?? [];

switch ($action) {
    case 'check_security_status':
        echo json_encode(["is_blank" => ($pdo->query("SELECT COUNT(*) FROM users")->fetchColumn() == 0)]);
        break;
        
    case 'login':
        if ($pdo->query("SELECT COUNT(*) FROM users")->fetchColumn() == 0) {
            echo json_encode(["success" => true, "token" => md5(ENCRYPTION_KEY . 'session'), "blank" => true]);
        } else {
            $stmt = $pdo->prepare("SELECT password_hash FROM users WHERE username = 'admin'");
            $stmt->execute(); $user = $stmt->fetch();
            if ($user && password_verify($data['password'] ?? '', $user['password_hash'])) {
                echo json_encode(["success" => true, "token" => md5(ENCRYPTION_KEY . 'session'), "blank" => false]);
            } else { http_response_code(401); echo json_encode(["error" => "Mot de passe incorrect."]); }
        }
        break;
        
    case 'setup_admin': case 'update_password':
        checkAuth($pdo);
        $pwd = $data['password'] ?? $data['new_password'] ?? '';
        $stmt = $pdo->prepare("REPLACE INTO users (id, username, password_hash) VALUES (1, 'admin', :pass)");
        $stmt->execute([':pass' => password_hash($pwd, PASSWORD_BCRYPT)]);
        echo json_encode(["success" => true]);
        break;
        
    case 'get_config_keys':
        checkAuth($pdo);
        $stmt = $pdo->prepare("SELECT key_value FROM config WHERE key_name = 'tmdb_api_key'");
        $stmt->execute(); $row = $stmt->fetch();
        echo json_encode(['tmdb_api_key' => $row ? '••••••••' : '']);
        break;
        
    case 'save_config':
        checkAuth($pdo);
        $keyName = $data['key_name'] ?? '';
        $keyValue = $data['key_value'] ?? '';
        if ($keyName === 'tmdb_api_key' && !empty($keyValue)) {
            $stmt = $pdo->prepare("REPLACE INTO config (key_name, key_value) VALUES (?, ?)");
            $stmt->execute([$keyName, encryptData($keyValue)]);
            echo json_encode(["success" => true]);
        } else {
            http_response_code(400); echo json_encode(["error" => "Données invalides."]);
        }
        break;
        
    case 'get_films':
        $sql = "
            SELECT id, title, year, director, poster, rating, review, NULL AS description, streaming, 'critique' AS type 
            FROM critiques
            UNION ALL
            SELECT id, title, year, director, poster, NULL AS rating, NULL AS review, description, NULL AS streaming, 'videotheque' AS type 
            FROM videotheque
            ORDER BY id DESC
        ";
        $result = $pdo->query($sql)->fetchAll();
        echo json_encode($result);
        break;
        
    case 'search_ean_full':
        $ean = $_GET['ean'] ?? '';
        if (!$ean) { echo json_encode(['error' => 'EAN manquant']); exit; }
        $result = [
            'ean' => $ean, 'title' => '', 'director' => '', 'year' => '',
            'poster' => '', 'publisher' => '', 'format' => '',
            'length' => '', 'number_of_discs' => 1, 'aspect_ratio' => '', 'actors' => ''
        ];
        
        $dvdfrData = fetchDVDFr($ean, $pdo);
        if (!empty($dvdfrData)) {
            if (!empty($dvdfrData['poster']))      $result['poster']         = $dvdfrData['poster'];
            if (!empty($dvdfrData['publisher']))   $result['publisher']      = $dvdfrData['publisher'];
            if (!empty($dvdfrData['format']))      $result['format']         = $dvdfrData['format'];
            if (!empty($dvdfrData['length']))      $result['length']         = $dvdfrData['length'];
            if (!empty($dvdfrData['aspect']))      $result['aspect_ratio']   = $dvdfrData['aspect'];
            if (!empty($dvdfrData['discs']))       $result['number_of_discs'] = (int)$dvdfrData['discs'];
        }
        
        $tmdbKey = getTmdbApiKey($pdo);
        if ($tmdbKey && !empty($result['publisher'])) {
            $tmdbData = fetchTMDBFull($result['publisher'], '', $tmdbKey, $pdo);
            if ($tmdbData) {
                if (!empty($tmdbData['title']))    $result['title']    = $tmdbData['title'];
                if (!empty($tmdbData['year']))     $result['year']     = $tmdbData['year'];
                if (!empty($tmdbData['director'])) $result['director'] = $tmdbData['director'];
                if (!empty($tmdbData['cast']))     $result['actors']   = implode(', ', $tmdbData['cast']);
            }
        }
        echo json_encode(['success' => true, 'data' => $result]);
        break;
        
    case 'save_film':
        checkAuth($pdo);
        $type = $data['type'] ?? 'critique';
        $id = !empty($data['id']) ? $data['id'] : makeStableId($type, $data['title'] ?? '', $data['year'] ?? '0000');
        
        if (empty($data['director']) || empty($data['poster'])) {
            $tmdbData = fetchTMDBFull($data['title'] ?? '', $data['year'] ?? '', getTmdbApiKey($pdo), $pdo);
            if ($tmdbData) {
                if (empty($data['director'])) $data['director'] = $tmdbData['director'];
                if (empty($data['poster']))   $data['poster']   = $tmdbData['poster'];
                if (empty($data['length']) && !empty($tmdbData['length'])) $data['length'] = $tmdbData['length'];
            }
        }
        
        if ($type === 'critique') {
            $streaming = $data['streaming'] ?? '';
            if (empty($streaming)) $streaming = 'Support physique / Cinéma';
            $sql = "INSERT INTO critiques (id, title, year, director, poster, rating, review, streaming) VALUES (?, ?, ?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE title=VALUES(title), year=VALUES(year), director=VALUES(director), poster=VALUES(poster), rating=VALUES(rating), review=VALUES(review), streaming=VALUES(streaming)";
            $stmt = $pdo->prepare($sql);
            $stmt->execute([$id, $data['title'] ?? '', $data['year'] ?? '', $data['director'] ?? '', $data['poster'] ?? '', $data['rating'] ?? 3.0, $data['review'] ?? '', $streaming]);
        } else {
            $sql = "INSERT INTO videotheque (id, title, year, director, poster, format, length, publisher, ean_isbn13, number_of_discs, aspect_ratio, description, actors) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE title=VALUES(title), year=VALUES(year), director=IF(VALUES(director)!='', VALUES(director), director), poster=IF(VALUES(poster)!='', VALUES(poster), poster), format=IF(VALUES(format)!='', VALUES(format), format), length=IF(VALUES(length)!='', VALUES(length), length), publisher=IF(VALUES(publisher)!='', VALUES(publisher), publisher), ean_isbn13=IF(VALUES(ean_isbn13)!='', VALUES(ean_isbn13), ean_isbn13), number_of_discs=IF(VALUES(number_of_discs)!=1, VALUES(number_of_discs), number_of_discs), aspect_ratio=IF(VALUES(aspect_ratio)!='', VALUES(aspect_ratio), aspect_ratio), description=IF(VALUES(description)!='', VALUES(description), description), actors=IF(VALUES(actors)!='', VALUES(actors), actors)";
            $stmt = $pdo->prepare($sql);
            $stmt->execute([$id, $data['title'] ?? '', $data['year'] ?? '', $data['director'] ?? '', $data['poster'] ?? '', $data['format'] ?? '', $data['length'] ?? '', $data['publisher'] ?? '', $data['ean_isbn13'] ?? '', $data['number_of_discs'] ?? 1, $data['aspect_ratio'] ?? '', $data['description'] ?? '', $data['actors'] ?? '']);
        }
        echo json_encode(["success" => true]);
        break;
        
    case 'delete_film':
        checkAuth($pdo);
        $type = $_GET['type'] ?? 'critique'; $table = ($type === 'videotheque') ? 'videotheque' : 'critiques';
        $id = $_GET['id'] ?? null;
        if (!$id) { http_response_code(400); echo json_encode(["error" => "ID manquant."]); break; }
        $stmt = $pdo->prepare("DELETE FROM $table WHERE id = ?"); $stmt->execute([$id]);
        echo json_encode(["success" => true]);
        break;
        
    case 'bulk_delete':
        checkAuth($pdo);
        $ids = $data['ids'] ?? []; $type = $data['type'] ?? 'critique'; $table = ($type === 'videotheque') ? 'videotheque' : 'critiques';
        if (!empty($ids)) { $placeholders = implode(',', array_fill(0, count($ids), '?')); $stmt = $pdo->prepare("DELETE FROM $table WHERE id IN ($placeholders)"); $stmt->execute($ids); echo json_encode(["success" => true]); }
        else { http_response_code(400); echo json_encode(["success" => false, "error" => "Aucun élément sélectionné."]); }
        break;
        
    case 'import_batch':
        checkAuth($pdo);
        set_time_limit(0);
        $items = $data['items'] ?? [];
        $type = $data['type'] ?? 'videotheque';
        $tmdbApiKey = getTmdbApiKey($pdo);
        $imported = 0;
        $debugLog = [];

        $pdo->beginTransaction();
        try {
            foreach ($items as $rowData) {
                $title = $rowData['title'] ?? $rowData['Name'] ?? $rowData['Title'] ?? 'Sans titre';
                $publishDate = $rowData['publish_date'] ?? $rowData['Year'] ?? $rowData['year'] ?? $rowData['Date'] ?? '';
                $year = extractYear($publishDate);
                $id = makeStableId($type, $title, $year);

                if ($type === 'videotheque') {
                    $csvActors = $rowData['ensemble'] ?? $rowData['creators'] ?? '';
                    $actors = '';
                    if (!empty($csvActors)) {
                        $actorsArray = array_map('trim', explode(',', $csvActors));
                        $actors = implode(', ', array_slice($actorsArray, 0, 4));
                    }

                    $ean = $rowData['ean_isbn13'] ?? $rowData['EAN'] ?? '';
                    if (!empty($ean)) {
                        $eanFloat = floatval($ean);
                        if ($eanFloat > 0) $ean = (string) round($eanFloat);
                        $ean = preg_replace('/[^0-9]/', '', $ean);
                    }

                    $lengthRaw = $rowData['length'] ?? '';
                    $length = '';
                    if ($lengthRaw !== '' && $lengthRaw !== null) {
                        $lengthVal = floatval($lengthRaw);
                        if ($lengthVal > 0) $length = (string) round($lengthVal);
                    }

                    $discsRaw = $rowData['number_of_discs'] ?? '';
                    $discs = (is_numeric($discsRaw) && floatval($discsRaw) > 0) ? (int) round(floatval($discsRaw)) : 1;

                    $description = $rowData['description'] ?? $rowData['Description'] ?? '';
                    $publisher = $rowData['publisher'] ?? '';
                    $aspect = $rowData['aspect_ratio'] ?? '';
                    $format = $rowData['format'] ?? detectFormat($title, $description);
                    $poster = $rowData['poster'] ?? '';
                    $director = '';

                    if (!empty($ean)) {
                        $dvdfrData = fetchDVDFr($ean, $pdo);
                        if (!empty($dvdfrData)) {
                            if (!empty($dvdfrData['poster']))    $poster    = $dvdfrData['poster'];
                            if (!empty($dvdfrData['publisher'])) $publisher = $dvdfrData['publisher'];
                            if (!empty($dvdfrData['format']))    $format    = $dvdfrData['format'];
                            if (!empty($dvdfrData['length'])  && empty($length))  $length  = $dvdfrData['length'];
                            if (!empty($dvdfrData['aspect'])  && empty($aspect))  $aspect  = $dvdfrData['aspect'];
                            if (!empty($dvdfrData['discs'])   && $discs === 1)    $discs   = (int)$dvdfrData['discs'];
                        }
                    }

                    if ($tmdbApiKey && !empty($title)) {
                        $tmdbTitle = $title;
                        $tmdbTitle = preg_replace('/\s*[\[\(].*?[\]\)]\s*/', '', $tmdbTitle);
                        $tmdbTitle = preg_replace('/\s*-\s*(Édition|Edition|Collector|Simple|Spéciale|Digibook|Ultimate|Intégrale|Combo|SteelBook|Boîtier|Coffret).*$/i', '', $tmdbTitle);
                        $tmdbTitle = preg_replace('/\s*(Blu-ray|Bluray|DVD|4K|Ultra HD|Combo|VHS|BDRip|\[.*\]).*$/i', '', $tmdbTitle);
                        $tmdbTitle = preg_replace('/\s*(Coffret|Trilogie|Quadrilogie|Collection|Anthologie).*$/i', '', $tmdbTitle);
                        $tmdbTitle = preg_split('/\s*(\/|\+|:)\s*/', $tmdbTitle)[0];
                        $tmdbTitle = explode(' - ', $tmdbTitle)[0];
                        $tmdbTitle = trim($tmdbTitle);

                        $tmdbData = fetchTMDBFull($tmdbTitle, $year, $tmdbApiKey, $pdo);
                        if (!$tmdbData && $tmdbTitle !== $title) {
                            $tmdbData = fetchTMDBFull($title, $year, $tmdbApiKey, $pdo);
                        }

                        if ($tmdbData) {
                            if (!empty($tmdbData['title'])) $title = $tmdbData['title'];
                            if (empty($director)) $director = $tmdbData['director'] ?? '';
                            if (empty($year) && !empty($tmdbData['year'])) $year = $tmdbData['year'];
                            if (empty($length) && !empty($tmdbData['length'])) $length = $tmdbData['length'];
                            if (!empty($tmdbData['overview'])) $description = $tmdbData['overview'];
                            if (!empty($tmdbData['cast'])) $actors = implode(', ', $tmdbData['cast']);
                        }
                    }

                    $sql = "INSERT INTO videotheque (id, title, year, director, poster, format, length, publisher, ean_isbn13, number_of_discs, aspect_ratio, description, actors) 
                            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) 
                            ON DUPLICATE KEY UPDATE 
                            title=VALUES(title), year=VALUES(year), 
                            director=IF(VALUES(director)!='',VALUES(director),director), 
                            poster=IF(VALUES(poster)!='',VALUES(poster),poster), 
                            format=IF(VALUES(format)!='',VALUES(format),format), 
                            length=IF(VALUES(length)!='',VALUES(length),length), 
                            publisher=IF(VALUES(publisher)!='',VALUES(publisher),publisher), 
                            ean_isbn13=IF(VALUES(ean_isbn13)!='',VALUES(ean_isbn13),ean_isbn13), 
                            number_of_discs=IF(VALUES(number_of_discs)!=1,VALUES(number_of_discs),number_of_discs), 
                            aspect_ratio=IF(VALUES(aspect_ratio)!='',VALUES(aspect_ratio),aspect_ratio), 
                            description=IF(VALUES(description)!='',VALUES(description),description), 
                            actors=IF(VALUES(actors)!='',VALUES(actors),actors)";
                    $stmt = $pdo->prepare($sql);
                    $stmt->execute([$id, $title, $year, $director, $poster, $format, $length, $publisher, $ean, $discs, $aspect, $description, $actors]);

                } else {
                    $ratingRaw = $rowData['Rating'] ?? $rowData['rating'] ?? '';
                    $rating = ($ratingRaw !== '' && $ratingRaw !== null) ? (float)$ratingRaw : null;
                    $review = $rowData['Review'] ?? $rowData['review'] ?? '';
                    $director = ''; $poster = ''; $streaming = '';

                    if ($tmdbApiKey && !empty($title)) {
                        $tmdbData = fetchTMDBFull($title, $year, $tmdbApiKey, $pdo);
                        if ($tmdbData) {
                            $director = $tmdbData['director'];
                            $poster = $tmdbData['poster'];
                            $streaming = $tmdbData['streaming'];
                            if (empty($year)) $year = $tmdbData['year'];
                            if (!empty($tmdbData['title'])) $title = $tmdbData['title'];
                        }
                    }
                    if (empty($streaming)) $streaming = 'Support physique / Cinéma';

                    $sql = "INSERT INTO critiques (id, title, year, director, poster, rating, review, streaming) 
                            VALUES (?, ?, ?, ?, ?, ?, ?, ?) 
                            ON DUPLICATE KEY UPDATE 
                            title=VALUES(title), year=VALUES(year), 
                            rating=VALUES(rating), 
                            review=IF(VALUES(review)!='',VALUES(review),review), 
                            director=IF(VALUES(director)!='',VALUES(director),director), 
                            poster=IF(VALUES(poster)!='',VALUES(poster),poster), 
                            streaming=IF(VALUES(streaming)!='',VALUES(streaming),streaming)";
                    $stmt = $pdo->prepare($sql);
                    $stmt->execute([$id, $title, $year, $director, $poster, $rating, $review, $streaming]);
                }
                $imported++;
            }

            $pdo->commit();
            echo json_encode(["success" => true, "imported" => $imported, "debug" => $debugLog]);

        } catch (\Throwable $e) {
            if ($pdo->inTransaction()) {
                $pdo->rollBack();
            }
            http_response_code(500);
            echo json_encode(["success" => false, "error" => "Erreur serveur : " . $e->getMessage(), "debug" => $debugLog]);
        }
        break;
}