<?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) {}
    
} 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, $ua = null) {
    if (!$ua) $ua = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36';
    
    if (!function_exists('curl_init')) {
        $ctx = stream_context_create(['http' => [
            'timeout' => $timeout,
            'user_agent' => $ua,
            'header' => "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Language: fr-FR,fr;q=0.9\r\n"
        ]]);
        return @file_get_contents($url, false, $ctx);
    }
    $ch = curl_init($url);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_TIMEOUT => $timeout,
        CURLOPT_CONNECTTIMEOUT => 3,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_USERAGENT => $ua,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_HTTPHEADER => [
            'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
            'Accept-Language: fr-FR,fr;q=0.9,en;q=0.8',
            'Accept-Encoding: identity',
            'Connection: keep-alive',
        ],
    ]);
    $res = curl_exec($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 '';
}

// ── NOUVEAU SCRAPER : DVDFr (Version corrigée avec débogage) ──
function fetchDVDFrCover($title, $year = '', $format = 'bluray') {
    if (empty($title)) return null;
    
    $ua = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36';
    $cleanTitle = cleanTitle($title);
    
    // Essayer différentes URLs de recherche
    $searchUrls = [
        "https://www.dvdfr.com/search?q=" . urlencode($cleanTitle),
        "https://www.dvdfr.com/dvd/recherche.html?search=" . urlencode($cleanTitle),
        "https://www.dvdfr.com/catalogue/recherche?query=" . urlencode($cleanTitle),
    ];
    
    $html = null;
    $usedUrl = '';
    
    foreach ($searchUrls as $url) {
        $html = httpGet($url, 10, $ua);
        if ($html && strlen($html) > 1000) {
            $usedUrl = $url;
            break;
        }
    }
    
    if (!$html) {
        error_log("DVDFr: Impossible de récupérer la page de recherche pour '$title'");
        return null;
    }
    
    $result = [
        'poster' => '',
        'title' => '',
        'format' => $format,
        'debug_url' => $usedUrl,
    ];
    
    // Méthode 1 : Chercher les liens vers les fiches produits (pattern /dvd/f ou /dvd/ suivi de chiffres)
    $ficheUrl = '';
    if (preg_match('/href=["\']([^"\']*\/dvd\/f?\d+[^"\']*\.html)["\']/i', $html, $matches)) {
        $ficheUrl = $matches[1];
        if (strpos($ficheUrl, 'http') !== 0) {
            $ficheUrl = 'https://www.dvdfr.com' . $ficheUrl;
        }
    }
    
    // Méthode 2 : Chercher dans les données JSON-LD ou scripts
    if (empty($ficheUrl) && preg_match('/"url"\s*:\s*"([^"]*\/dvd\/[^"]+)"/i', $html, $matches)) {
        $ficheUrl = $matches[1];
        if (strpos($ficheUrl, 'http') !== 0) {
            $ficheUrl = 'https://www.dvdfr.com' . $ficheUrl;
        }
    }
    
    if (!empty($ficheUrl)) {
        error_log("DVDFr: Fiche trouvée - $ficheUrl");
        $ficheHtml = httpGet($ficheUrl, 10, $ua);
        
        if ($ficheHtml) {
            // Extraire le titre
            if (preg_match('/<h1[^>]*>([^<]+)<\/h1>/i', $ficheHtml, $titleMatch)) {
                $result['title'] = trim(strip_tags($titleMatch[1]));
            } elseif (preg_match('/<title[^>]*>([^<]+)<\/title>/i', $ficheHtml, $titleMatch)) {
                $result['title'] = trim(strip_tags($titleMatch[1]));
            }
            
            // Chercher les images de jaquettes
            // Pattern 1 : Images dans /images/dvd/ ou /covers/
            if (preg_match_all('/src=["\']([^"\']*(?:\/images\/dvd\/|\/covers\/|cover|jaquette)[^"\']*\.(?:jpg|jpeg|png|webp))["\']/i', $ficheHtml, $imgMatches)) {
                foreach ($imgMatches[1] as $img) {
                    if (strpos($img, 'logo') === false && 
                        strpos($img, 'icon') === false && 
                        strpos($img, 'stars') === false &&
                        strpos($img, 'bg-') === false) {
                        
                        $imgUrl = strpos($img, 'http') === 0 ? $img : 'https://www.dvdfr.com' . (strpos($img, '/') === 0 ? '' : '/') . ltrim($img, '/');
                        
                        // Supprimer les suffixes de taille pour avoir la HD
                        $imgUrl = preg_replace('/[_-](?:small|medium|thumb|mini|s|m|t)\./i', '.', $imgUrl);
                        
                        $result['poster'] = $imgUrl;
                        break;
                    }
                }
            }
            
            // Pattern 2 : Meta Open Graph
            if (empty($result['poster']) && preg_match('/<meta[^>]+property=["\']og:image["\'][^>]+content=["\']([^"\']+)["\']/i', $ficheHtml, $ogMatch)) {
                $result['poster'] = $ogMatch[1];
            }
            
            // Pattern 3 : Chercher toutes les images et filtrer
            if (empty($result['poster'])) {
                preg_match_all('/<img[^>]+src=["\']([^"\']+\.(?:jpg|jpeg|png|webp))["\'][^>]*>/i', $ficheHtml, $allImages);
                foreach ($allImages[1] as $img) {
                    $imgLower = strtolower($img);
                    if (strpos($imgLower, 'dvdfr.com') !== false &&
                        strpos($imgLower, 'logo') === false && 
                        strpos($imgLower, 'icon') === false &&
                        strpos($imgLower, 'banner') === false &&
                        strpos($imgLower, 'bg') === false &&
                        strpos($imgLower, 'button') === false &&
                        strpos($imgLower, 'social') === false) {
                        
                        $imgUrl = strpos($img, 'http') === 0 ? $img : 'https://www.dvdfr.com' . (strpos($img, '/') === 0 ? '' : '/') . ltrim($img, '/');
                        $imgUrl = preg_replace('/[_-](?:small|medium|thumb|mini|s|m|t)\./i', '.', $imgUrl);
                        
                        $result['poster'] = $imgUrl;
                        break;
                    }
                }
            }
        }
    }
    
    // Fallback : chercher directement dans la page de recherche
    if (empty($result['poster'])) {
        preg_match_all('/src=["\']([^"\']+\.(?:jpg|jpeg|png|webp))["\']/i', $html, $searchImages);
        foreach ($searchImages[1] as $img) {
            $imgLower = strtolower($img);
            if (strpos($imgLower, 'dvdfr.com') !== false &&
                (strpos($imgLower, 'dvd') !== false || strpos($imgLower, 'cover') !== false) &&
                strpos($imgLower, 'logo') === false && 
                strpos($imgLower, 'icon') === false) {
                
                $imgUrl = strpos($img, 'http') === 0 ? $img : 'https://www.dvdfr.com' . (strpos($img, '/') === 0 ? '' : '/') . ltrim($img, '/');
                $imgUrl = preg_replace('/[_-](?:small|medium|thumb|mini|s|m|t)\./i', '.', $imgUrl);
                
                $result['poster'] = $imgUrl;
                break;
            }
        }
    }
    
    return (!empty($result['poster'])) ? $result : null;
}

// ── API TMDB (uniquement pour les critiques) ──
function fetchTMDBFull($title, $year, $apiKey, $pdo) {
    if (empty($apiKey) || empty($title)) return null;
    $cleanTitle = cleanTitle($title);
    
    $searchUrl = "https://api.themoviedb.org/3/search/movie?api_key={$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
    ];
    
    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();
        
        // Formatage des notes : suppression du .0 pour les comptes ronds
        foreach ($result as $row) {
            if ($row['rating'] !== null) {
                $ratingVal = (float)$row['rating'];
                $row['rating'] = ($ratingVal == floor($ratingVal)) ? (int)$ratingVal : $ratingVal;
            }
        }
        
        echo json_encode($result);
        break;
        
    case 'search_ean_full':
        $ean = $_GET['ean'] ?? '';
        $type = $_GET['type'] ?? 'videotheque';
        if (!$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' => ''
        ];
        
        $tmdbKey = getTmdbApiKey($pdo);
        $titleForSearch = '';
        
        if ($tmdbKey) {
            $searchUrl = "https://api.themoviedb.org/3/find/{$ean}?api_key={$tmdbKey}&external_source=imdb_id";
            $searchRes = httpGet($searchUrl, 5);
            $searchData = $searchRes ? json_decode($searchRes, true) : [];
            
            if (!empty($searchData['movie_results'][0])) {
                $titleForSearch = $searchData['movie_results'][0]['title'];
                $result['title'] = $titleForSearch;
                if (!empty($searchData['movie_results'][0]['release_date'])) {
                    $result['year'] = substr($searchData['movie_results'][0]['release_date'], 0, 4);
                }
            }
        }
        
        if (empty($titleForSearch)) {
            echo json_encode(['success' => true, 'data' => $result, 'warning' => 'Titre non trouvé']);
            exit;
        }
        
        if ($type === 'videotheque') {
            // DVDFr pour vidéothèque
            $format = $result['format'] ?: 'Blu-ray';
            $dcData = fetchDVDFrCover($titleForSearch, $result['year'], $format);
            if (!empty($dcData)) {
                if (!empty($dcData['poster'])) $result['poster'] = $dcData['poster'];
                if (!empty($dcData['title'])) $result['title'] = $dcData['title'];
                $result['format'] = $format;
            }
        } else {
            if ($tmdbKey) {
                $tmdbData = fetchTMDBFull($titleForSearch, $result['year'], $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['poster']))   $result['poster']   = $tmdbData['poster'];
                    if (!empty($tmdbData['length']))   $result['length']   = $tmdbData['length'];
                    if (!empty($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 ($type === 'critique' && (empty($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'] ?? '', $streaming]);
        } else {
            // Vidéothèque : DVDFr pour la jaquette
            if (empty($data['poster']) && !empty($data['title'])) {
                $format = $data['format'] ?: 'Blu-ray';
                $dcData = fetchDVDFrCover($data['title'], $data['year'] ?? '', $format);
                if (!empty($dcData['poster'])) {
                    $data['poster'] = $dcData['poster'];
                }
            }
            
            $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') {
                    // ── VIDÉOTHÈQUE : DVDFr pour jaquette ──
                    $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 = '';

                    // Récupération jaquette via DVDFr
                    $cleanTitleForDC = cleanTitle($title);
                    if (!empty($cleanTitleForDC)) {
                        $dcData = fetchDVDFrCover($cleanTitleForDC, $year, $format);
                        if (!empty($dcData)) {
                            if (!empty($dcData['poster'])) {
                                $poster = $dcData['poster'];
                            }
                            if (!empty($dcData['title']) && ($title === 'Sans titre' || empty($title))) {
                                $title = $dcData['title'];
                            }
                        }
                    }

                    $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 {
                    // ── CRITIQUES : TMDB ──
                    $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;

    case 'debug_scraper':
        $title = $_GET['title'] ?? '';
        $year = $_GET['year'] ?? '';
        $format = $_GET['format'] ?? 'Blu-ray';
        
        if (!$title) { echo json_encode(['error' => 'Titre manquant']); exit; }
        
        $result = ['title' => $title, 'year' => $year, 'format' => $format];
        $data = fetchDVDFrCover($title, $year, $format);
        $result['data'] = $data;
        $result['status'] = $data ? 'OK' : 'AUCUN_RÉSULTAT';
        
        echo json_encode($result, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
        exit;
    break;
}
?>