<?php

// Autoloader simple
spl_autoload_register(function ($class) {
    $prefix = 'Web2Print\\';
    $baseDir = __DIR__ . '/../src/';

    $len = strlen($prefix);
    if (strncmp($prefix, $class, $len) !== 0) {
        return;
    }

    $relativeClass = substr($class, $len);
    $file = $baseDir . str_replace('\\', '/', $relativeClass) . '.php';

    if (file_exists($file)) {
        require $file;
    }
});

// Charger la configuration
$config = require __DIR__ . '/../config/config.php';

// Router simple
$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);

// Afficher la documentation sur la racine
if ($uri === '/' && $_SERVER['REQUEST_METHOD'] === 'GET') {
    readfile(__DIR__ . '/docs.html');
    exit;
}

// Définir le temps d'exécution max
set_time_limit($config['max_execution_time']);

// Headers CORS (si nécessaire)
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: POST, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type, X-API-Key');

// Gérer preflight OPTIONS
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
    http_response_code(200);
    exit;
}

// Authentification
$auth = new \Web2Print\Middleware\AuthMiddleware($config);
if (!$auth->authenticate()) {
    exit;
}

// Endpoint de génération PDF
if ($uri === '/generate') {
    $generator = new \Web2Print\Services\PdfGenerator($config);
    $controller = new \Web2Print\Controllers\GenerateController($generator, $config);
    $controller->handle();
} else {
    http_response_code(404);
    header('Content-Type: application/json');
    echo json_encode(['error' => 'Not found']);
}