define('ENVIRONMENT', isset($_SERVER['CI_ENV']) ? $_SERVER['CI_ENV'] : 'development');

switch (ENVIRONMENT) {
    case 'development':
        error_reporting(-1);
        ini_set('display_errors', 1);
        break;

    case 'testing':
    case 'production':
        ini_set('display_errors', 0);
        if (version_compare(PHP_VERSION, '5.3', '>=')) {
            error_reporting(E_ALL & ~E_DEPRECATED & ~E_STRICT);
        } else {
            error_reporting(E_ALL);
        }
        break;

    default:
        header('HTTP/1.1 503 Service Unavailable.', TRUE, 503);
        echo 'The application environment is not set correctly.';
        exit(1); // EXIT_ERROR
}

$system_path = 'system';
$application_folder = 'application';
$view_folder = '';

if (defined('STDIN')) {
    chdir(dirname(__FILE__));
}

if (($_temp = realpath($system_path)) !== FALSE) {
    $system_path = $_temp . DIRECTORY_SEPARATOR;
} else {
    $system_path = strtr(
        rtrim($system_path, '/\\'),
        '/\\',
        DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR
    ) . DIRECTORY_SEPARATOR;
}

if (!is_dir($system_path)) {
    header('HTTP/1.1 503 Service Unavailable.', TRUE, 503);
    echo 'Your system folder path does not appear to be set correctly. Please open the following file and correct this: ' . pathinfo(__FILE__, PATHINFO_BASENAME);
    exit(3); // EXIT_CONFIG
}

define('SELF', pathinfo(__FILE__, PATHINFO_BASENAME));
define('BASEPATH', $system_path);
define('FCPATH', dirname(__FILE__) . DIRECTORY_SEPARATOR);
define('SYSDIR', trim(strrchr(trim(BASEPATH, DIRECTORY_SEPARATOR), DIRECTORY_SEPARATOR), DIRECTORY_SEPARATOR));

if (is_dir($application_folder)) {
    if (($_temp = realpath($application_folder)) !== FALSE) {
        $application_folder = $_temp;
    } else {
        $application_folder = strtr(
            rtrim($application_folder, '/\\'),
            '/\\',
            DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR
        );
    }
} elseif (is_dir(BASEPATH . $application_folder . DIRECTORY_SEPARATOR)) {
    $application_folder = BASEPATH . strtr(
        trim($application_folder, '/\\'),
        '/\\',
        DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR
    );
} else {
    header('HTTP/1.1 503 Service Unavailable.', TRUE, 503);
    echo 'Your application folder path does not appear to be set correctly. Please open the following file and correct this: ' . SELF;
    exit(3); // EXIT_CONFIG
}

define('APPPATH', $application_folder . DIRECTORY_SEPARATOR);

if (!isset($view_folder[0]) && is_dir(APPPATH . 'views' . DIRECTORY_SEPARATOR)) {
    $view_folder = APPPATH . 'views';
} elseif (is_dir($view_folder)) {
    if (($_temp = realpath($view_folder)) !== FALSE) {
        $view_folder = $_temp;
    } else {
        $view_folder = strtr(
            rtrim($view_folder, '/\\'),
            '/\\',
            DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR
        );
    }
} elseif (is_dir(APPPATH . $view_folder . DIRECTORY_SEPARATOR)) {
    $view_folder = APPPATH . strtr(
        trim($view_folder, '/\\'),
        '/\\',
        DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR
    );
} else {
    header('HTTP/1.1 503 Service Unavailable.', TRUE, 503);
    echo 'Your view folder path does not appear to be set correctly. Please open the following file and correct this: ' . SELF;
    exit(3); // EXIT_CONFIG
}

define('VIEWPATH', $view_folder . DIRECTORY_SEPARATOR);

require_once BASEPATH . 'core/CodeIgniter.php';