// Definir Base URL automaticamente (Ex: /gestao)
$basePath = dirname($_SERVER['SCRIPT_NAME']);
$basePath = str_replace(['\\', 'index.php'], ['/', ''], $basePath);
$basePath = rtrim($basePath, '/');
define('BASE_URL', $basePath);

// Ativar exibição de erros (Debug)
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

// Autoload do Composer (opcional)
if (file_exists(__DIR__ . '/vendor/autoload.php')) {
    require_once __DIR__ . '/vendor/autoload.php';
}

// Simple Autoloader (if not using Composer yet)
spl_autoload_register(function ($class) {
    $prefix = 'App\\';
    $base_dir = __DIR__ . DIRECTORY_SEPARATOR . 'app' . DIRECTORY_SEPARATOR;
    
    $len = strlen($prefix);
    if (strncmp($prefix, $class, $len) !== 0) return;

    $relative_class = substr($class, $len);
    $file = $base_dir . str_replace('\\', DIRECTORY_SEPARATOR, $relative_class) . '.php';

    if (file_exists($file)) {
        require $file;
    } else {
        // Fallback: Tenta localizar o arquivo se as pastas estiverem em minúsculo (comum em Linux/Hostinger)
        $parts = explode('\\', $relative_class);
        $filename = array_pop($parts) . '.php';
        $dir = implode(DIRECTORY_SEPARATOR, array_map('strtolower', $parts));
        $file_fixed = $base_dir . (empty($dir) ? '' : $dir . DIRECTORY_SEPARATOR) . $filename;
        
        if (file_exists($file_fixed)) {
            require $file_fixed;
        }
    }
});

use App\Core\Router;
use App\Controllers\AuthController;
use App\Middleware\AuthMiddleware;
use App\Controllers\AdminController;
use App\Controllers\TenantController;
use App\Controllers\BillingController;
use App\Controllers\ClientController;
use App\Controllers\ContractController;
use App\Controllers\WebhookController;

$router = new Router();

// Guest Routes
$router->add('GET', '/', function() {
    AuthMiddleware::isGuest();
    $controller = new AuthController();
    return $controller->login();
});

$router->add('GET', '/login', function() {
    AuthMiddleware::isGuest();
    $controller = new AuthController();
    return $controller->login();
});

$router->add('GET', '/debug', function() {
    echo "<h1>Debug Info</h1>";
    echo "BASE_URL: " . BASE_URL . "<br>";
    echo "SCRIPT_NAME: " . $_SERVER['SCRIPT_NAME'] . "<br>";
    echo "REQUEST_URI: " . $_SERVER['REQUEST_URI'] . "<br>";
    echo "PHP_SELF: " . $_SERVER['PHP_SELF'] . "<br>";
    echo "Clean URI: " . parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH) . "<br>";
    die();
});

$router->add('POST', '/login', function() {
    $controller = new AuthController();
    return $controller->login();
});

$router->add('GET', '/logout', [AuthController::class, 'logout']);

// Protected Routes
$router->add('GET', '/admin/dashboard', function() {
    AuthMiddleware::check('master');
    $controller = new AdminController();
    return $controller->dashboard();
});

$router->add('POST', '/admin/tenant/create', function() {
    AuthMiddleware::check('master');
    $controller = new AdminController();
    return $controller->createTenant();
});

$router->add('GET', '/dashboard', function() {
    AuthMiddleware::check('admin');
    $controller = new TenantController();
    return $controller->dashboard();
});

$router->add('GET', '/settings', function() {
    AuthMiddleware::check('admin');
    $controller = new TenantController();
    return $controller->settings();
});

$router->add('POST', '/settings/save', function() {
    AuthMiddleware::check('admin');
    $controller = new TenantController();
    return $controller->saveSettings();
});

// Billing Routes
$router->add('GET', '/billing/create/{id}', [BillingController::class, 'create']);
$router->add('POST', '/billing/create/{id}', [BillingController::class, 'create']);
$router->add('GET', '/billing/show/{id}', [BillingController::class, 'show']);

// Webhook
$router->add('POST', '/webhook/mercadopago', [WebhookController::class, 'mercadopago']);

// Contract Routes
$router->add('POST', '/contracts/upload', [ContractController::class, 'upload']);

// Client Routes
$router->add('GET', '/clients', [ClientController::class, 'index']);
$router->add('GET', '/clients/create', [ClientController::class, 'create']);
$router->add('POST', '/clients/create', [ClientController::class, 'create']);
$router->add('GET', '/clients/edit/{id}', [ClientController::class, 'edit']);
$router->add('POST', '/clients/edit/{id}', [ClientController::class, 'edit']);

// Evolution API (Internal endpoints for the JS fetch)
$router->add('GET', '/api/evolution/status', function() {
    AuthMiddleware::check('admin');
    $tenantId = \App\Core\Session::get('tenant_id');
    $evolutionModel = new \App\Models\EvolutionInstance();
    $instance = $evolutionModel->findByTenant($tenantId);

    if (!$instance) return json_encode(['connected' => false]);

    $evolutionApi = new \App\Core\EvolutionAPI();
    $status = $evolutionApi->getInstanceStatus($instance['instance_name']);
    
    $isConnected = ($status['data']['instance']['state'] ?? '') === 'open';
    
    // Update local DB status if changed
    if ($isConnected != $instance['connected']) {
        $evolutionModel->update($instance['id'], ['connected' => $isConnected]);
    }

    header('Content-Type: application/json');
    echo json_encode(['connected' => $isConnected]);
});

$router->add('GET', '/api/evolution/connect', function() {
    AuthMiddleware::check('admin');
    $tenantId = \App\Core\Session::get('tenant_id');
    $evolutionModel = new \App\Models\EvolutionInstance();
    $instance = $evolutionModel->findByTenant($tenantId);

    if (!$instance) return json_encode(['error' => 'No instance found']);

    $evolutionApi = new \App\Core\EvolutionAPI();
    $qr = $evolutionApi->getQRCode($instance['instance_name']);

    header('Content-Type: application/json');
    echo json_encode(['qrcode' => $qr['data']['code'] ?? null]);
});

$router->run();