<?php

// ========== PATHS ==========

define('ROOT_PATH',   dirname(dirname(__DIR__)));
define('APP_PATH',    ROOT_PATH.'/app');
define('VAR_PATH',    ROOT_PATH.'/var');

// ========== PHP (static) ==========

// Charset
ini_set('default_charset', 'UTF-8');
date_default_timezone_set('Europe/Moscow');

if (5 === PHP_MAJOR_VERSION && PHP_MINOR_VERSION < 6) {
    iconv_set_encoding('internal_encoding', 'UTF-8');
    ini_set('mbstring.internal_encoding', 'UTF-8');
}

// ========== COMPOSER ==========

require ROOT_PATH.'/../vendor/autoload.php';

// ========== CONFIGURATION ==========
$development = false;
$config_file = APP_PATH . '/src/config.php';
if (file_exists(APP_PATH . '/src/config.local.php')) {
	$config_file = APP_PATH . '/src/config.local.php';
	$development = true;
}

$config = require $config_file;

$sessionStarts = 1;
$setOnlineCall = 1;

// Autoload, common variables and functions
require_once ROOT_PATH . '/../../config_common.php';


// Get Access-Token
$headers = apache_request_headers();
if (isset($headers['Access-Token'])) {
	session_id(trim($headers['Access-Token']));
}

// Start session
if ($sessionStarts) {
	session_start([
		'name' => "PHPSESSID",
		'cookie_lifetime' => 0,
		'gc_maxlifetime' => 5401,
	]);
}

// ========== PHP (from configuration) ==========

// Time zone
if ($config['PHP']['default_timezone'])
	date_default_timezone_set($config['PHP']['default_timezone']);
else
	date_default_timezone_set('Europe/Moscow');

// Errors
if ($config['PHP']['display_errors'])
	ini_set('display_errors', $config['PHP']['display_errors']);
else
	error_reporting(0);

if ($config['PHP']['display_startup_errors'])
	ini_set('display_startup_errors', $config['PHP']['display_startup_errors']);

if ($config['PHP']['log_errors'])
	ini_set('log_errors', $config['PHP']['log_errors']);

ini_set('error_log', VAR_PATH.'/log/php-'.date('Y-m').'.log');

unset($config['PHP']);

// ========== SLIM ==========

$app = new \Slim\Slim($config['Slim']);
$app->start_time = microtime(true);
$app->config('app', $config['App']);
$app->view()->setData('config', $app->config('app'));

require APP_PATH.'/src/dependencies.php';
require APP_PATH.'/src/middlewares.php';
require APP_PATH.'/src/routes.php';

// Error handler
$app->error(function (\Exception $e) use ($app) {
    $app->getLog()->error($e);
    $app->render('errors/error.twig');
});

// CORS for development env
if ($development) {
	header("Access-Control-Allow-Origin: *");
	header('Access-Control-Allow-Credentials: true');
	header('Access-Control-Max-Age: 0');
	header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, PATCH, OPTIONS');
	header('Access-Control-Allow-Headers: X-Debug, X-Requested-With, Content-Type, Accept, Origin, Authorization, Access-Token');
	header('Access-Control-Expose-Headers: Authorization, Access-Token');
}

$app->run();