<?php
ini_set('log_errors', 1);
ini_set('error_log', __DIR__ . '/php_errors.log');
ini_set('display_errors', 0);
set_time_limit(600);
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");

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), password_hash VARCHAR(255))");
    $pdo->exec("CREATE TABLE IF NOT EXISTS config (key_name VARCHAR(50) PRIMARY KEY, key_value TEXT)");
    $pdo->exec("CREATE TABLE IF NOT EXISTS critiques (id BIGINT PRIMARY KEY, title VARCHAR(255), year VARCHAR(10), director VARCHAR(255), poster TEXT, rating DECIMAL(3,1), review TEXT, streaming VARCHAR(255))");
    $pdo->exec("CREATE TABLE IF NOT EXISTS videotheque (id BIGINT PRIMARY KEY, title VARCHAR(255), 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)");
} catch (PDOException $e) { die(json_encode(["error" => "Connexion BDD échouée"])); }

// --- Fonctions Utilitaires ---
function getAuthToken() {
    if (!empty($_SERVER['HTTP_AUTHORIZATION'])) return $_SERVER['HTTP_AUTHORIZATION'];
    if (!empty($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])) return $_SERVER['REDIRECT_HTTP_AUTHORIZATION'];
    if (function_exists('getallheaders')) {
        foreach (getallheaders() as $name => $value) {
            if (strcasecmp($name, 'Authorization') === 0) return $value;
        }
    }
    return '';
}

function checkAuth($pdo) {
    if ($pdo->query("SELECT COUNT(*) FROM users")->fetchColumn() == 0) return true;
    $token = getAuthToken();
    if ($token !== md5(ENCRYPTION_KEY . 'session')) {
        http_response_code(403); exit;
    }
}

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

function decryptData($str) {
    $decoded = base64_decode($str);
    if ($decoded === false || strpos($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 = 10, $headers = []) {
    $ch = curl_init($url);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_TIMEOUT => $timeout,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0',
        CURLOPT_HTTPHEADER => $headers
    ]);
    $res = curl_exec($ch);
    $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    return ($code === 200) ? $res : null;
}

function removeAccentsForUrl($str) {
    $str = str_replace(['œ', 'Œ'], ['oe', 'OE'], $str);
    $str = str_replace(['æ', 'Æ'], ['ae', 'AE'], $str);
    $transliterated = @iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $str);
    if ($transliterated !== false && $transliterated !== '') $str = $transliterated;
    return $str;
}

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

function emptyPhysicalResult() {
    return [
        'title' => '', 'publisher' => '', 'format' => '', 'length' => '',
        'number_of_discs' => 1, 'aspect_ratio' => '', 'year' => '',
        'director' => '', 'actors' => '', 'poster' => '', 'description' => ''
    ];
}

// ── SCRAPPING FNAC (CORRECTION v2 : vérification EAN anti-faux-positif) ──
function fetchFromFnac($ean) {
    $empty = emptyPhysicalResult();
    $url = "https://www.fnac.com/SearchResult/ResultList.aspx?Search=" . urlencode($ean);
    $html = httpGet($url, 15);
    if (!$html) return $empty;

    // 🔍 LOG DE DIAGNOSTIC — à garder tant que le bug n'est pas confirmé résolu.
    // Permet de vérifier si FNAC renvoie vraiment une page de résultats
    // ou une page anti-bot / fallback générique (souvent la vraie cause
    // d'un titre "aléatoire" du type "Project Hail Mary").
    @file_put_contents(
        __DIR__ . '/debug_fnac_' . preg_replace('/[^0-9]/', '', $ean) . '.html',
        $html
    );

    // ✅ GARDE-FOU : si l'EAN recherché n'apparaît nulle part dans le HTML
    // retourné, ce n'est pas une vraie page de résultats pour cet EAN
    // (bannière promo, page anti-bot, page d'accueil de secours...).
    // On refuse le résultat plutôt que de propager un titre erroné.
    $eanDigits = preg_replace('/[^0-9]/', '', (string)$ean);
    if ($eanDigits && strpos($html, $eanDigits) === false) {
        error_log("fetchFromFnac: EAN $eanDigits absent du HTML retourné — page rejetée (probable anti-bot/fallback).");
        return $empty;
    }

    // 1. Chercher un lien avec un titre ou du texte interne
    if (preg_match('/<a[^>]*href="\/(?:[^"]*\/)?(?:tp\d+|A\d+|[^"]*-s\d+\.html)"[^>]*>([^<]+)<\/a>/i', $html, $m)) {
        $empty['title'] = trim(strip_tags($m[1]));
    }
    elseif (preg_match('/<a[^>]*href="\/(?:[^"]*\/)?(?:tp\d+|A\d+|[^"]*-s\d+\.html)"[^>]*title="([^"]+)"[^>]*>/i', $html, $m)) {
        $empty['title'] = trim($m[1]);
    }
    elseif (preg_match('/<h2[^>]*class="[^"]*f-product__name[^"]*"[^>]*>([^<]+)<\/h2>/i', $html, $m)) {
        $empty['title'] = trim(strip_tags($m[1]));
    }
    elseif (preg_match('/<a[^>]*class="[^"]*js-ProductTitle[^"]*"[^>]*>([^<]+)<\/a>/i', $html, $m)) {
        $empty['title'] = trim(strip_tags($m[1]));
    }

    if (!empty($empty['title'])) {
        $empty['title'] = html_entity_decode($empty['title'], ENT_QUOTES | ENT_HTML5, 'UTF-8');
        $empty['title'] = preg_replace('/\s*\|\s*Fnac.*$/i', '', $empty['title']);
        $empty['title'] = trim($empty['title']);
    }

    if (preg_match('/<meta[^>]*property="og:image"[^>]*content="([^"]+)"/i', $html, $m)) {
        $empty['poster'] = trim($m[1]);
    } elseif (preg_match('/<img[^>]*class="[^"]*js-ProductImage[^"]*"[^>]*src="([^"]+)"/i', $html, $m)) {
        $empty['poster'] = trim($m[1]);
    }

    if (!empty($empty['title'])) {
        $empty['format'] = detectFormat($empty['title']);
    }

    return $empty;
}

// ── SCRAPPING BLU-RAY.COM (PAR TITRE) ──
function fetchFromBlurayComByTitle($title) {
    static $lastRequest = 0;
    $empty = emptyPhysicalResult();
    if (empty($title)) return $empty;
    
    $now = microtime(true);
    if ($lastRequest > 0 && ($now - $lastRequest) < 3) {
        usleep((int)((3 - ($now - $lastRequest)) * 1000000));
    }
    $lastRequest = microtime(true);
    
    $cleanTitle = cleanTitle($title);
    $searchUrl = "https://www.blu-ray.com/movies/search.php?keyword=" . urlencode($cleanTitle) . "&action=search";
    
    $ch = curl_init($searchUrl);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 15, CURLOPT_CONNECTTIMEOUT => 5,
        CURLOPT_SSL_VERIFYPEER => false, CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36',
        CURLOPT_HTTPHEADER => ['Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Language: fr-FR,fr;q=0.9', 'Referer: https://www.blu-ray.com/']
    ]);
    $searchHtml = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    if (!$searchHtml || $httpCode !== 200) return $empty;
    
    if (!preg_match('/href="(https:\/\/www\.blu-ray\.com\/movies\/[^"]+\/(\d+)\/)"/i', $searchHtml, $matches)) {
        return $empty;
    }
    
    $movieUrl = $matches[1];
    sleep(2);
    
    $ch2 = curl_init($movieUrl);
    curl_setopt_array($ch2, [
        CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 15, CURLOPT_CONNECTTIMEOUT => 5,
        CURLOPT_SSL_VERIFYPEER => false, CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
        CURLOPT_HTTPHEADER => ['Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Referer: https://www.blu-ray.com/']
    ]);
    $movieHtml = curl_exec($ch2);
    curl_close($ch2);
    
    if (!$movieHtml) return $empty;
    
    if (preg_match('/<h3[^>]*>([^<]+)<\/h3>\s*(?:&nbsp;)?\((\d{4})\)/i', $movieHtml, $m)) $empty['year'] = $m[2];
    if (preg_match('/href="[^"]*studioid=\d+[^"]*"[^>]*>([^<]+)<\/a>/i', $movieHtml, $m)) $empty['publisher'] = trim($m[1]);
    if (preg_match('/(\d+)\s*min<\/span>/i', $movieHtml, $m)) $empty['length'] = $m[1] . ' min';
    if (preg_match('/Aspect[\s-]*ratio:\s*([\d\.]+:[\d\.]+)/i', $movieHtml, $m)) $empty['aspect_ratio'] = trim($m[1]);
    
    if (preg_match('/(\w+)-disc\s+set/i', $movieHtml, $m)) {
        $wordToNum = ['single' => 1, 'one' => 1, 'two' => 2, 'three' => 3, 'four' => 4, 'five' => 5, 'six' => 6];
        $empty['number_of_discs'] = $wordToNum[strtolower($m[1])] ?? 1;
    } elseif (preg_match('/(\d+)-disc\s+set/i', $movieHtml, $m)) {
        $empty['number_of_discs'] = (int)$m[1];
    }
    
    if (strpos($movieUrl, '/4k/') !== false || stripos($movieHtml, '4K Ultra HD') !== false) $empty['format'] = '4K Ultra HD';
    elseif (strpos($movieUrl, '/3d/') !== false) $empty['format'] = '3D Blu-ray';
    else $empty['format'] = 'Blu-ray';
    
    if (preg_match('/src="(https:\/\/images\.static-bluray\.com\/movies\/covers\/\d+_front\.jpg[^"]*)"/i', $movieHtml, $m)) {
        $empty['poster'] = $m[1];
    } elseif (preg_match('/<img[^>]*class="coverfront"[^>]*src="([^"]+)"/i', $movieHtml, $m)) {
        $empty['poster'] = preg_replace('/_large\.jpg/', '_front.jpg', $m[1]);
    }
    
    return $empty;
}

// ── SCRAPPING BLU-RAY.COM (PAR EAN - FALLBACK) ──
function fetchFromBlurayComByEan($ean) {
    static $lastRequest = 0;
    $empty = emptyPhysicalResult();
    $ean = preg_replace('/[^0-9]/', '', (string)$ean);
    if (strlen($ean) < 8) return $empty;
    
    $now = microtime(true);
    if ($lastRequest > 0 && ($now - $lastRequest) < 3) {
        usleep((int)((3 - ($now - $lastRequest)) * 1000000));
    }
    $lastRequest = microtime(true);
    
    $searchUrl = "https://www.blu-ray.com/movies/search.php?ean=" . urlencode($ean) . "&action=search";
    $ch = curl_init($searchUrl);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 15, CURLOPT_CONNECTTIMEOUT => 5,
        CURLOPT_SSL_VERIFYPEER => false, CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36',
        CURLOPT_HTTPHEADER => ['Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Language: fr-FR,fr;q=0.9', 'Referer: https://www.blu-ray.com/']
    ]);
    $searchHtml = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    if (!$searchHtml || $httpCode !== 200 || !preg_match('/href="(https:\/\/www\.blu-ray\.com\/movies\/[^"]+\/(\d+)\/)"/i', $searchHtml, $matches)) {
        return $empty;
    }
    
    $movieUrl = $matches[1];
    sleep(2);
    
    $ch2 = curl_init($movieUrl);
    curl_setopt_array($ch2, [
        CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 15, CURLOPT_CONNECTTIMEOUT => 5,
        CURLOPT_SSL_VERIFYPEER => false, CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
        CURLOPT_HTTPHEADER => ['Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Referer: https://www.blu-ray.com/']
    ]);
    $movieHtml = curl_exec($ch2);
    curl_close($ch2);
    
    if (!$movieHtml) return $empty;
    
    if (preg_match('/<div[^>]*id="movie_info"[^>]*>.*?<h3>([^<]+)<\/h3>/is', $movieHtml, $m)) {
        $empty['title'] = trim($m[1]);
    } elseif (preg_match('/<h1[^>]*>([^<]+)<\/h1>/i', $movieHtml, $m)) {
        $empty['title'] = trim(preg_replace('/\s*(Blu-ray|4K|3D|DVD|UHD).*$/i', '', trim(strip_tags($m[1]))));
    }
    
    if (preg_match('/<h3[^>]*>([^<]+)<\/h3>\s*(?:&nbsp;)?\((\d{4})\)/i', $movieHtml, $m)) $empty['year'] = $m[2];
    if (preg_match('/href="[^"]*studioid=\d+[^"]*"[^>]*>([^<]+)<\/a>/i', $movieHtml, $m)) $empty['publisher'] = trim($m[1]);
    if (preg_match('/(\d+)\s*min<\/span>/i', $movieHtml, $m)) $empty['length'] = $m[1] . ' min';
    if (preg_match('/Aspect[\s-]*ratio:\s*([\d\.]+:[\d\.]+)/i', $movieHtml, $m)) $empty['aspect_ratio'] = trim($m[1]);
    
    if (preg_match('/(\w+)-disc\s+set/i', $movieHtml, $m)) {
        $wordToNum = ['single' => 1, 'one' => 1, 'two' => 2, 'three' => 3, 'four' => 4, 'five' => 5, 'six' => 6];
        $empty['number_of_discs'] = $wordToNum[strtolower($m[1])] ?? 1;
    } elseif (preg_match('/(\d+)-disc\s+set/i', $movieHtml, $m)) {
        $empty['number_of_discs'] = (int)$m[1];
    }
    
    if (strpos($movieUrl, '/4k/') !== false || stripos($movieHtml, '4K Ultra HD') !== false) $empty['format'] = '4K Ultra HD';
    elseif (strpos($movieUrl, '/3d/') !== false) $empty['format'] = '3D Blu-ray';
    else $empty['format'] = 'Blu-ray';
    
    if (preg_match('/src="(https:\/\/images\.static-bluray\.com\/movies\/covers\/\d+_front\.jpg[^"]*)"/i', $movieHtml, $m)) {
        $empty['poster'] = $m[1];
    } elseif (preg_match('/<img[^>]*class="coverfront"[^>]*src="([^"]+)"/i', $movieHtml, $m)) {
        $empty['poster'] = preg_replace('/_large\.jpg/', '_front.jpg', $m[1]);
    }
    
    return $empty;
}

// ── FONCTION TMDB COMPLÈTE ──
function fetchTmdbPosterAndSynopsis($title, $year = '', $pdo = null) {
    $default = ['poster'=>'assets/img/default_physical_media.jpg','title'=>'','description'=>'','director'=>'','actors'=>'','length'=>'','year'=>''];
    if (empty($title)) return $default;
    
    $tmdbKey = getTmdbApiKey($pdo);
    if (!$tmdbKey) return $default;
    
    $clean = cleanTitle($title);
    $searchUrl = "https://api.themoviedb.org/3/search/movie?api_key={$tmdbKey}&query=" . urlencode($clean) . "&language=fr-FR";
    if ($year) $searchUrl .= "&year={$year}";
    
    $res = httpGet($searchUrl, 5);
    $data = $res ? json_decode($res, true) : [];
    
    if (empty($data['results']) && $year) {
        $res = httpGet("https://api.themoviedb.org/3/search/movie?api_key={$tmdbKey}&query=" . urlencode($clean) . "&language=fr-FR", 5);
        $data = $res ? json_decode($res, true) : [];
    }
    if (empty($data['results'])) return $default;
    
    $movie = $data['results'][0];
    $movieId = $movie['id'];
    $default['poster'] = !empty($movie['poster_path']) ? "https://image.tmdb.org/t/p/w500{$movie['poster_path']}" : $default['poster'];
    $default['year'] = !empty($movie['release_date']) ? substr($movie['release_date'], 0, 4) : $year;
    $default['description'] = $movie['overview'] ?? '';
    $default['title'] = $clean;
    
    $detailsUrl = "https://api.themoviedb.org/3/movie/{$movieId}?api_key={$tmdbKey}&append_to_response=credits&language=fr-FR";
    $detRes = httpGet($detailsUrl, 5);
    if ($detRes) {
        $det = json_decode($detRes, true);
        $default['length'] = !empty($det['runtime']) ? "{$det['runtime']} min" : '';
        if (!empty($det['credits']['crew'])) {
            $dirs = array_filter($det['credits']['crew'], fn($c) => $c['job'] === 'Director');
            $default['director'] = $dirs ? implode(', ', array_map(fn($c) => $c['name'], array_slice($dirs, 0, 2))) : '';
        }
        if (!empty($det['credits']['cast'])) {
            $default['actors'] = implode(', ', array_map(fn($c) => $c['name'], array_slice($det['credits']['cast'], 0, 5)));
        }
    }
    return $default;
}

// ── MOVIECOVERS (Jaquettes HD FR) ──
function fetchFromMovieCovers($title, $year = '') {
    $empty = ['title' => '', 'year' => '', 'director' => '', 'actors' => '', 'poster' => '', 'description' => '', 'length' => '', 'publisher' => '', 'format' => 'DVD', 'number_of_discs' => 1, 'aspect_ratio' => ''];
    if (empty($title)) return $empty;
    
    $cleanTitle = removeAccentsForUrl($title);
    $urlTitle = strtoupper(str_replace(' ', '+', $cleanTitle));
    $url = "https://moviecovers.com/film/titre_{$urlTitle}.html";
    
    $html = httpGet($url, 10);
    if (!$html) return $empty;

    if (preg_match('/<TITLE>([^<]+)<\/TITLE>/i', $html, $m)) $empty['title'] = trim($m[1]);
    
    $idmc = '';
    if (preg_match('/IDMC.*?<PRE>([^<]+)<\/PRE>/is', $html, $m)) {
        $idmc = trim($m[1]);
    } elseif (preg_match('/<meta property="og:image" content="[^"]*\/getjpg\.html\/([^"\']+)\.jpg"/i', $html, $m)) {
        $idmc = urldecode($m[1]);
    }
    
    if ($idmc) {
        $idmc_encoded = urlencode($idmc);
        $hd_urls = ["https://moviecovers.com/DATA/zipcache/{$idmc_encoded}.jpg", "https://moviecovers.com/getjpg.html/{$idmc_encoded}.jpg"];
        foreach ($hd_urls as $hd_url) {
            $img_data = httpGet($hd_url, 5);
            if ($img_data && strlen($img_data) > 5000) {
                $empty['poster'] = $hd_url;
                break;
            }
        }
    }
    
    if (empty($empty['poster'])) {
        if (preg_match('/<img[^>]*title="Recto[^"]*"[^>]*src="([^"]+)"/i', $html, $m)) $empty['poster'] = $m[1];
        elseif (preg_match('/<meta[^>]*property="og:image"[^>]*content="([^"]+)"/i', $html, $m)) $empty['poster'] = $m[1];
    }

    if (preg_match('/R&eacute;alisateur<\/TH>\s*<TD[^>]*>.*?<a[^>]*>([^<]+)<\/a>/is', $html, $m)) $empty['director'] = trim($m[1]);
    if (preg_match('/Ann&eacute;e<\/TH>\s*<TD[^>]*>.*?<a[^>]*>(\d{4})<\/a>/is', $html, $m)) $empty['year'] = $m[1];
    if (preg_match('/Dur&eacute;e<\/TH>\s*<TD[^>]*>([\dH]+[\dmin]*)/is', $html, $m)) $empty['length'] = trim($m[1]);
    if (preg_match_all('/<a href="\/multicrit\.html\?acteur=[^"]*">([^<]+)<\/a>/i', $html, $matches)) $empty['actors'] = implode(', ', array_slice($matches[1], 0, 5));
    if (preg_match('/<meta[^>]*property="og:description"[^>]*content="([^"]+)"/i', $html, $m)) $empty['description'] = html_entity_decode($m[1]);

    return $empty;
}

// ── AGGREGATEUR PHYSIQUE (FNAC -> BLU-RAY.COM -> MOVIECOVERS) ──
function fetchPhysicalByEan($ean, $pdo = null) {
    // 1. Tenter la FNAC pour avoir le titre français
    $fnacData = fetchFromFnac($ean);
    $title = $fnacData['title'] ?? '';
    $res = $fnacData;
    
    // 2. Chercher les détails techniques sur Blu-ray.com
    $blurayData = [];
    if (!empty($title)) {
        $blurayData = fetchFromBlurayComByTitle($title);
    }
    if (empty($blurayData) && empty($title)) {
        // Fallback : chercher sur Blu-ray.com par EAN
        $blurayData = fetchFromBlurayComByEan($ean);
        $title = $blurayData['title'] ?? '';
        $res = $blurayData;
    }
    
    if (!empty($blurayData)) {
        // Les détails techniques de Blu-ray.com sont prioritaires
        if (!empty($blurayData['length'])) $res['length'] = $blurayData['length'];
        if (!empty($blurayData['number_of_discs'])) $res['number_of_discs'] = $blurayData['number_of_discs'];
        if (!empty($blurayData['aspect_ratio'])) $res['aspect_ratio'] = $blurayData['aspect_ratio'];
        if (!empty($blurayData['publisher'])) $res['publisher'] = $blurayData['publisher'];
        if (!empty($blurayData['format'])) $res['format'] = $blurayData['format'];
        if (!empty($blurayData['poster'])) $res['poster'] = $blurayData['poster'];
        if (!empty($blurayData['year'])) $res['year'] = $blurayData['year'];
    }
    
    // 3. Compléter avec MovieCovers pour la jaquette HD FR et métadonnées FR
    if (!empty($title)) {
        $mc = fetchFromMovieCovers($title, $res['year'] ?? '');
        if (!empty($mc['poster'])) $res['poster'] = $mc['poster'];
        if (!empty($mc['director'])) $res['director'] = $mc['director'];
        if (!empty($mc['actors'])) $res['actors'] = $mc['actors'];
        if (!empty($mc['description'])) $res['description'] = $mc['description'];
    }
    
    return $res;
}

// ── 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':
        $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' => $row ? decryptData($row['key_value']) : '']);
        break;

    case 'save_config':
        checkAuth($pdo);
        $name = $data['key_name'] ?? '';
        $val  = trim($data['key_value'] ?? '');
        if ($name !== 'tmdb_api_key' || empty($val)) { http_response_code(400); echo json_encode(["error" => "Clé invalide."]); break; }
        $stmt = $pdo->prepare("REPLACE INTO config (key_name, key_value) VALUES (?, ?)");
        $stmt->execute([$name, encryptData($val)]);
        echo json_encode(["success" => true]);
        break;
        
    case 'get_films':
        $critiques = $pdo->query("SELECT id, title, year, director, poster, rating, review, NULL AS description, streaming, 'critique' AS type, NULL AS format FROM critiques ORDER BY id DESC")->fetchAll();
        foreach ($critiques as $row) {
            if ($row['rating'] !== null) {
                $ratingVal = (float)$row['rating'];
                $row['rating'] = ($ratingVal == floor($ratingVal)) ? (int)$ratingVal : $ratingVal;
            }
        }
        unset($row);
        $videotheque = $pdo->query("SELECT id, title, year, director, poster, NULL AS rating, NULL AS review, description, NULL AS streaming, 'videotheque' AS type, format FROM videotheque ORDER BY id DESC")->fetchAll();
        echo json_encode(['critique' => $critiques, 'videotheque' => $videotheque]);
        break;
        
    case 'save_film':
        checkAuth($pdo);
        $type = $data['type'] ?? 'critique';
        $id = !empty($data['id']) ? $data['id'] : makeStableId($type, $data['title'] ?? '', $data['year'] ?? '0000');
        
        if ($type === 'critique') {
            if (empty($data['director']) || empty($data['poster'])) {
                $tmdbData = fetchTmdbPosterAndSynopsis($data['title'] ?? '', $data['year'] ?? '', $pdo);
                if (empty($data['director'])) $data['director'] = $tmdbData['director'];
                if (empty($data['poster']))   $data['poster']   = $tmdbData['poster'];
            }
            $streaming = $data['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'] ?? '', $streaming]);
        } else {
            if (empty($data['poster']) && !empty($data['title'])) {
                $tmdbData = fetchTmdbPosterAndSynopsis($data['title'], $data['year'] ?? '', $pdo);
                if ($tmdbData['poster'] !== 'assets/img/default_physical_media.jpg') $data['poster'] = $tmdbData['poster'];
                if (empty($data['description'])) $data['description'] = $tmdbData['description'];
                if (empty($data['director']))    $data['director'] = $tmdbData['director'];
                if (empty($data['actors']))      $data['actors'] = $tmdbData['actors'];
                if (empty($data['length']))      $data['length'] = $tmdbData['length'];
                if (empty($data['format']))      $data['format'] = detectFormat($data['title'], $data['description'] ?? '');
            }
            $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 'add_item_by_ean':
        $ean = preg_replace('/[^0-9]/', '', $data['ean'] ?? '');
        if (strlen($ean) < 8) { echo json_encode(["success" => false, "error" => "EAN invalide"]); exit; }
        
        $physicalData = fetchPhysicalByEan($ean, $pdo);
        $rawTitle = $physicalData['title'] ?? '';
        
        $tmdbData = fetchTmdbPosterAndSynopsis($rawTitle, $physicalData['year'] ?? '', $pdo);
        
        $finalTitle = !empty($tmdbData['title']) ? $tmdbData['title'] : $rawTitle;
        $poster = ($tmdbData['poster'] !== 'assets/img/default_physical_media.jpg') ? $tmdbData['poster'] : ($physicalData['poster'] ?? '');
        
        $year = $tmdbData['year'] ?? $physicalData['year'] ?? '';
        $id = makeStableId('videotheque', $finalTitle, $year);
        
        $stmt = $pdo->prepare("INSERT INTO videotheque (id, title, year, poster, description, director, actors, ean_isbn13, format, length, publisher, number_of_discs, aspect_ratio) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE title=VALUES(title), year=VALUES(year), poster=IF(VALUES(poster)!='', VALUES(poster), poster), description=IF(VALUES(description)!='', VALUES(description), description), director=IF(VALUES(director)!='', VALUES(director), director), actors=IF(VALUES(actors)!='', VALUES(actors), actors)");
        $stmt->execute([
            $id, $finalTitle, $year, $poster,
            $tmdbData['description'] ?? $physicalData['description'] ?? '',
            $tmdbData['director'] ?: ($physicalData['director'] ?? ''),
            $tmdbData['actors'] ?: ($physicalData['actors'] ?? ''),
            $ean, $physicalData['format'] ?? detectFormat($rawTitle),
            $tmdbData['length'] ?: ($physicalData['length'] ?? ''),
            $physicalData['publisher'] ?? '', $physicalData['number_of_discs'] ?? 1, $physicalData['aspect_ratio'] ?? ''
        ]);

        echo json_encode(["success" => true, "title" => $finalTitle, "director" => $tmdbData['director'] ?: ($physicalData['director'] ?? ''), "year" => $year]);
        break;
        
    case 'import_batch':
        checkAuth($pdo);
        $type = $data['type'] ?? '';
        $items = $data['items'] ?? [];
        $pdo->beginTransaction();
        $imported = 0; $skipped = 0;
        
        try {
            if ($type === 'videotheque') {
                $stmt = $pdo->prepare("INSERT INTO videotheque (id, title, year, format, poster, ean_isbn13, description, length, number_of_discs, aspect_ratio, actors, publisher, director) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?) ON DUPLICATE KEY UPDATE title=VALUES(title), year=VALUES(year), format=VALUES(format), poster=IF(VALUES(poster)!='assets/img/default_physical_media.jpg', VALUES(poster), poster), ean_isbn13=IF(VALUES(ean_isbn13)!='', VALUES(ean_isbn13), ean_isbn13), description=IF(VALUES(description)!='', VALUES(description), description), length=IF(VALUES(length)!='', VALUES(length), length), 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), actors=IF(VALUES(actors)!='', VALUES(actors), actors), publisher=IF(VALUES(publisher)!='', VALUES(publisher), publisher), director=IF(VALUES(director)!='', VALUES(director), director)");
                
                foreach ($items as $item) {
                    $ean = preg_replace('/[^0-9]/', '', (string)($item['ean'] ?? ''));
                    if (strlen($ean) < 8) { $skipped++; continue; }

                    $physicalData = fetchPhysicalByEan($ean, $pdo);
                    $title = $physicalData['title'] ?? '';
                    $year = $physicalData['year'] ?? '';
                    $format = $physicalData['format'] ?: detectFormat($title);
                    $publisher = $physicalData['publisher'] ?? '';
                    $discs = $physicalData['number_of_discs'] ?: 1;
                    $aspect = $physicalData['aspect_ratio'] ?? '';
                    $length = $physicalData['length'] ?? '';
                    $poster = $physicalData['poster'] ?? '';
                    $desc = $physicalData['description'] ?? '';
                    $director = $physicalData['director'] ?? '';
                    $actors = $physicalData['actors'] ?? '';

                    if (empty($poster) || empty($director) || empty($actors) || empty($desc) || empty($title)) {
                        $tmdb = fetchTmdbPosterAndSynopsis($title, $year, $pdo);
                        if (empty($title)) $title = $tmdb['title'] ?? "EAN: $ean";
                        if (empty($poster) || $poster === 'assets/img/default_physical_media.jpg') $poster = $tmdb['poster'];
                        if (empty($director)) $director = $tmdb['director'] ?? '';
                        if (empty($actors)) $actors = $tmdb['actors'] ?? '';
                        if (empty($desc)) $desc = $tmdb['description'] ?? '';
                        if (empty($length) && !empty($tmdb['length'])) $length = $tmdb['length'];
                        if (empty($year) && !empty($tmdb['year'])) $year = $tmdb['year'];
                    }

                    if (empty($title)) { $skipped++; continue; }
                    $id = makeStableId('videotheque', $title, $year);
                    $stmt->execute([$id, $title, $year, $format, $poster, $ean, $desc, $length, $discs, $aspect, $actors, $publisher, $director]);
                    $imported++;
                }
            } else {
                $stmtCritiques = $pdo->prepare("INSERT INTO critiques (id, title, year, director, poster, rating, review, streaming) VALUES (?, ?, ?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE title=VALUES(title), year=VALUES(year), director=VALUES(director), poster=VALUES(poster), rating=VALUES(rating), review=VALUES(review), streaming=VALUES(streaming)");
                foreach ($items as $rowData) {
                    $title = $rowData['Title'] ?? $rowData['title'] ?? '';
                    if (empty($title)) continue;
                    $year = !empty($rowData['publish_date']) ? substr($rowData['publish_date'], 0, 4) : ($rowData['Year'] ?? $rowData['year'] ?? '');
                    $id = makeStableId('critique', $title, $year);
                    $ratingRaw = $rowData['Rating'] ?? $rowData['rating'] ?? '';
                    $rating = ($ratingRaw !== '' && $ratingRaw !== null) ? (float)$ratingRaw : null;
                    $review = $rowData['Review'] ?? $rowData['review'] ?? $rowData['description'] ?? '';
                    $director = ''; $poster = 'assets/img/default_physical_media.jpg'; $streaming = 'Support physique / Cinéma';
                    $tmdbData = fetchTmdbPosterAndSynopsis($title, $year, $pdo);
                    if ($tmdbData) {
                        if (!empty($tmdbData['director'])) $director = $tmdbData['director'];
                        if ($tmdbData['poster'] !== 'assets/img/default_physical_media.jpg') $poster = $tmdbData['poster'];
                        if (empty($year) && !empty($tmdbData['year'])) $year = $tmdbData['year'];
                    }
                    $stmtCritiques->execute([$id, $title, $year, $director, $poster, $rating, $review, $streaming]);
                    $imported++;
                }
            }
            $pdo->commit();
            echo json_encode(["success" => true, "imported" => $imported, "skipped" => $skipped]);
        } catch (Throwable $e) {
            $pdo->rollBack();
            http_response_code(500);
            echo json_encode(["success" => false, "error" => $e->getMessage()]);
        }
        break;
}