<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

/**
 * Main Galette initialisation
 *
 * PHP version 5
 *
 * Copyright © 2009-2014 The Galette Team
 *
 * This file is part of Galette (http://galette.tuxfamily.org).
 *
 * Galette is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Galette is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Galette. If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  Main
 * @package   Galette
 *
 * @author    Johan Cwiklinski <johan@x-tnd.be>
 * @copyright 2007-2014 The Galette Team
 * @license   http://www.gnu.org/licenses/gpl-3.0.html GPL License 3.0 or (at your option) any later version
 * @version   SVN: $Id$
 * @link      http://galette.tuxfamily.org
 * @since     Available since 0.7-dev - 2007-10-07
 */

if (!defined('GALETTE_PHP_MIN')) {
    define('GALETTE_PHP_MIN', '5.5');
}

// check required PHP version...
if (version_compare(PHP_VERSION, GALETTE_PHP_MIN, '<')) {
    echo 'Galette is NOT compliant with your current PHP version. ' .
        'Galette requires PHP ' . GALETTE_PHP_MIN  .
        ' minimum and current version is ' . phpversion();
    die();
}

$time_start = microtime(true);
$cron = (PHP_SAPI === 'cli');

//define galette's root directory
if (!defined('GALETTE_ROOT')) {
    define('GALETTE_ROOT', __DIR__ . '/../');
}

// define relative base path templating can use
if (!defined('GALETTE_BASE_PATH')) {
    define('GALETTE_BASE_PATH', './');
}

require_once GALETTE_ROOT . 'config/versions.inc.php';
require_once GALETTE_ROOT . 'config/paths.inc.php';

//we'll only include relevant parts if we work from installer
if (!isset($installer)) {
    $installer = false;
}
// test if galette is already installed or if we're form installer
// and redirect to install page if not
$installed = file_exists(GALETTE_CONFIG_PATH . 'config.inc.php');
if (!$installed && !$installer) {
    header('location: install/index.php');
    die();
}

if (file_exists(GALETTE_CONFIG_PATH . 'behavior.inc.php')
    && !defined('GALETTE_TESTS') && !$cron
) {
    include_once GALETTE_CONFIG_PATH . 'behavior.inc.php';
}

if (isset($installer) && $installer !== true) {
    //If we're not working from installer
    include_once GALETTE_CONFIG_PATH . 'config.inc.php';
}

if (!function_exists('password_hash')) {
    include_once GALETTE_PASSWORD_COMPAT_PATH . '/password.php';
}

use Galette\Common\ClassLoader;
use Analog\Analog;
use Galette\Core;

/*require_once GALETTE_ROOT . 'lib/Galette/Common/ClassLoader.php';
require_once GALETTE_SLIM_PATH . 'Slim/Slim.php';

$galetteLoader = new ClassLoader('Galette', GALETTE_ROOT . 'lib');
$zendLoader = new ClassLoader('Zend', GALETTE_ZEND_PATH);
$analogLoader = new ClassLoader('Analog', GALETTE_ANALOG_PATH);
$smartyLoader = new ClassLoader(null, GALETTE_SMARTY_PATH);
$smartyLoader->setFileExtension('.class.php');
//register loaders
$galetteLoader->register();
$zendLoader->register();
$analogLoader->register();
$smartyLoader->register();

\Slim\Slim::registerAutoloader();
require_once GALETTE_SLIM_VIEWS_PATH . 'Smarty.php';*/

// To help the built-in PHP dev server, check if the request was actually for
// something which should probably be served as a static file
if (PHP_SAPI === 'cli-server' && $_SERVER['SCRIPT_FILENAME'] !== __FILE__) {
    return false;
}

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

//start profiling
if (defined('GALETTE_XHPROF_PATH')
    && function_exists('xhprof_enable')
) {
    include_once __DIR__ . '/../lib/Galette/Common/XHProf.php';
    $profiler = new Galette\Common\XHProf();
    $profiler->start();
}

//we start a php session
session_start();

define('GALETTE_VERSION', 'v0.9dev');
define('GALETTE_COMPAT_VERSION', '0.9');
define('GALETTE_DB_VERSION', '0.820');
if (!defined('GALETTE_MODE')) {
    define('GALETTE_MODE', 'PROD'); //DEV, PROD, MAINT or DEMO
}

if (!isset($_COOKIE['show_galette_dashboard'])) {
    setcookie(
        'show_galette_dashboard',
        true,
        time()+31536000 //valid for a year
    );
}

if (!defined('GALETTE_DISPLAY_ERRORS')) {
    define('GALETTE_DISPLAY_ERRORS', 0);
}
ini_set('display_errors', GALETTE_DISPLAY_ERRORS);

set_include_path(
    GALETTE_ZEND_PATH . PATH_SEPARATOR .
    GALETTE_PHP_MAILER_PATH . PATH_SEPARATOR .
    GALETTE_SMARTY_PATH . PATH_SEPARATOR .
    get_include_path()
);

/*------------------------------------------------------------------------------
Logger stuff
------------------------------------------------------------------------------*/
if (!$cron && (!defined('GALETTE_HANDLE_ERRORS')
    || GALETTE_HANDLE_ERRORS === true)
) {
    //set custom error handler
    set_error_handler(
        array(
            "Galette\Core\Error",
            "errorHandler"
        )
    );
}

$galette_run_log = null;
$galette_debug_log = \Analog\Handler\Ignore::init();

if (!defined('GALETTE_LOG_LVL')) {
    if (GALETTE_MODE === 'DEV') {
        define('GALETTE_LOG_LVL', \Analog\Analog::DEBUG);
    } else {
        define('GALETTE_LOG_LVL', \Analog\Analog::WARNING);
    }
}

if (defined('GALETTE_TESTS')) {
    //FIXME: we should check logs files from tests
    $galette_run_log = \Analog\Handler\Ignore::init();
} else {
    if ((!$installer || ($installer && defined('GALETTE_LOGGER_CHECKED'))) && !$cron) {
        $now = new \DateTime();
        $dbg_log_path = GALETTE_LOGS_PATH . 'galette_debug_' .
            $now->format('Y-m-d')  . '.log';
        $galette_debug_log = \Analog\Handler\File::init($dbg_log_path);
    }
    $galette_log_var = null;

    if (GALETTE_MODE === 'DEV' || $cron
        || ( defined('GALETTE_SYS_LOG') && GALETTE_SYS_LOG === true )
    ) {
        //logs everything in PHP logs (per chance /var/log/http/error_log or /var/log/php-fpm/error.log)
        $galette_run_log = \Analog\Handler\Stderr::init();
    } else {
        if (!$installer || ($installer && defined('GALETTE_LOGGER_CHECKED'))) {
            //logs everything in galette log file
            if (!isset($logfile)) {
                //if no filename has been setted (ie. from install), set default one
                $logfile = 'galette_run';
            }
            $log_path = GALETTE_LOGS_PATH . $logfile . '.log';
            $galette_run_log = \Analog\Handler\File::init($log_path);
        } else {
            $galette_run_log = \Analog\Handler\Variable::init($galette_log_var);
        }
    }
    Core\Logs::cleanup();
}

Analog::handler(
    \Analog\Handler\Multi::init(
        array (
            Analog::NOTICE  => \Analog\Handler\Threshold::init(
                $galette_run_log,
                GALETTE_LOG_LVL
            ),
            Analog::DEBUG   => $galette_debug_log
        )
    )
);

require_once GALETTE_ROOT . 'includes/functions.inc.php';

//FIXME: native sessions should not be used right now
$session_name = null;
//since PREFIX_DB and NAME_DB are required to properly instanciate sessions,
// we have to check here if they're assigned
if ($installer || !defined('PREFIX_DB') || !defined('NAME_DB')) {
    $session_name = 'galette_install';
} else {
    $session_name = PREFIX_DB . '_' . NAME_DB;
}
$session = &$_SESSION['galette'][$session_name];

if (!$installer and !defined('GALETTE_TESTS')) {
    //If we're not working from installer nor from tests
    include_once GALETTE_CONFIG_PATH . 'config.inc.php';

    /**
     * Database instanciation
     */
    $zdb = new Core\Db();

    if ($zdb->checkDbVersion()
        || strpos($_SERVER['PHP_SELF'], 'picture.php') !== false
    ) {

        /**
         * Load preferences
         */
        $preferences = new Core\Preferences($zdb);

        /**
         * Set the path to the current theme templates
         */
        define(
            '_CURRENT_TEMPLATE_PATH',
            GALETTE_TEMPLATES_PATH . $preferences->pref_theme . '/'
        );

        if (!defined('GALETTE_TPL_SUBDIR')) {
            define(
                'GALETTE_TPL_SUBDIR',
                'templates/' . $preferences->pref_theme . '/'
            );
        }

        if (!defined('GALETTE_THEME')) {
            define(
                'GALETTE_THEME',
                'themes/' . $preferences->pref_theme . '/'
            );
        }

        /**
         * Authentication
         */
        /*if (isset($session['login'])) {
            $login = unserialize(
                $session['login']
            );
            $login->setDb($zdb);
        } else {
            $login = new Core\Login($zdb, $i18n, $session);
        }*/

        /** TODO: login is now handled in dependencies.php; the cron case should be aswell */
        if ($cron) {
            $login->logCron(basename($argv[0], '.php'));
        }
    } else {
        $needs_update = true;
    }
}