<?php

/**
 * File: update.php.
 * Author: Ulrich Block
 * Date: 03.08.12
 * Time: 17:09
 * Contact: <ulrich.block@easy-wi.com>
 *
 * This file is part of Easy-WI.
 *
 * Easy-WI 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.
 *
 * Easy-WI 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 Easy-WI.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Diese Datei ist Teil von Easy-WI.
 *
 * Easy-WI ist Freie Software: Sie koennen es unter den Bedingungen
 * der GNU General Public License, wie von der Free Software Foundation,
 * Version 3 der Lizenz oder (nach Ihrer Wahl) jeder spaeteren
 * veroeffentlichten Version, weiterverbreiten und/oder modifizieren.
 *
 * Easy-WI wird in der Hoffnung, dass es nuetzlich sein wird, aber
 * OHNE JEDE GEWAEHELEISTUNG, bereitgestellt; sogar ohne die implizite
 * Gewaehrleistung der MARKTFAEHIGKEIT oder EIGNUNG FUER EINEN BESTIMMTEN ZWECK.
 * Siehe die GNU General Public License fuer weitere Details.
 *
 * Sie sollten eine Kopie der GNU General Public License zusammen mit diesem
 * Programm erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>.
 */


if (!isset($updateinclude) or $updateinclude == false) {

    ini_set('display_errors',1);
    error_reporting(E_ALL|E_STRICT);

    define('EASYWIDIR', dirname(dirname(__FILE__)));

    function isinteger($value) {
        return (preg_match("/^[\d+(.\d+|$)]+$/", $value) or $value == 0) ? true : false;
    }

    class UpdateResponse {
        public $response = '';
        function __construct() {
            $this->response = '';
        }
        function add ($newtext) {
            $this->response .= $newtext;
        }
        function printresponse () {
            return $this->response;
        }
        function __destruct() {
            unset($this->response);
        }
    }


    $response = new UpdateResponse();

} else if (!defined('EASYWIDIR')) {
    define('EASYWIDIR', dirname(dirname(__FILE__)));
}

if (!isset($sql)) {

    include(EASYWIDIR . '/stuff/config.php');

    $dbConnect['db'] = $db;

    try {
        $sql = new PDO("mysql:host=$host;dbname=$db", $user, $pwd, array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8"));
    } catch(PDOException $error) {
        echo $error->getMessage();
        die();
    }
}

function versioncheck ($current, $new ,$file ,$response, $developer = false) {

    global $sql;

    $include = true;

    if ($developer) {
        $devVersion = $new;
    }

    if (version_compare($new, $current) == 1) {

        $response->add("Upgrading Database from $current to $new<br />");

        if (is_file(EASYWIDIR . '/' . $file)) {
            $response->add('Found updaterfile ' . $file . '. Executing it now<br>');
            include(EASYWIDIR . '/' . $file);
        } else if (is_file(EASYWIDIR . '/install/' . $file)) {
            $response->add('Found updaterfile ' . EASYWIDIR . 'install/' . $file . '. Executing it now<br>');
            include(EASYWIDIR . '/install/' . $file);
        } else {
            die("File $file is missing<br />");
        }

        if ($new < '2.08' and isset($sql)) {
            $update_easywiversion = $sql->prepare("UPDATE `easywi_version` SET `version`=?");
            $update_easywiversion->execute(array($new));
            $response->add('<br />Action: update_easywiversion done: ');
            $error = $update_easywiversion->errorinfo();
            $update_easywiversion->closecursor();
            if (isset($error[2]) and $error[2] != '' and $error[2] != null and !isinteger($error[2])) $response->add($error[2].'<br />');
            else $response->add('OK<br />');
        }

        return true;

    } else {

        $response->add("Skipping database update $new as current version $current is newer<br />");

        return false;
    }
}

$query = $sql->prepare("SELECT `version` FROM `easywi_version` ORDER BY `id` DESC LIMIT 1");
$query->execute();
$version = $query->fetchColumn();

$admin_id = 1;
$main = 1;
$reseller_id = 0;
$error = $query->errorinfo();

$response->add("Current database version: $version<br />");
include(EASYWIDIR . '/stuff/keyphrasefile.php');

$response->add('Adding tables if needed.');

require_once(EASYWIDIR . '/stuff/methods/class_tables.php');

$tables = new Tables($dbConnect['db']);
$tables->createMissingTables();
$tables->correctTablesStatus();

if (versioncheck($version, '4.00', 'update_370-400.php', $response)) {
    $version = '4.00';
}
if (versioncheck($version, '4.10', 'update_400-410.php', $response)) {
    $version = '4.10';
}
if (versioncheck($version, '4.11', 'update_410-411.php', $response)) {
    $version = '4.11';
}
if (versioncheck($version, '4.20', 'update_411-420.php', $response)) {
    $version = '4.20';
}
if (versioncheck($version, '4.30', 'update_420-430.php', $response)) {
    $version = '4.30';
}
if (versioncheck($version, '4.40', 'update_430-440.php', $response)) {
    $version = '4.40';
}
if (versioncheck($version, '5.00', 'update_440-500.php', $response)) {
    $version = '5.00';
}
if (versioncheck($version, '5.10', 'update_500-510.php', $response)) {
    $version = '5.10';
}
if (versioncheck($version, '5.20', 'update_510-520.php', $response)) {
    $version = '5.20';
}
if (versioncheck($version, '5.21', 'update_520-521.php', $response)) {
    $version = '5.21';
}
if (versioncheck($version, '5.22', 'update_521-522.php', $response)) {
    $version = '5.22';
}
if (versioncheck($version, '5.30', 'update_522-530.php', $response)) {
    $version = '5.30';
}
if (versioncheck($version, '6.0.0', 'update_530-600.php', $response)) {
    $version = '6.0.0';
}
if (versioncheck($version, '6.0.5', 'update_600-605.php', $response)) {
    $version = '6.0.5';
}
if (versioncheck($version, '6.1.6', 'update_605-616.php', $response)) {
    $version = '6.1.6';
}
if (versioncheck($version, '6.1.7', 'update_616-617.php', $response)) {
    $version = '6.1.7';
}
if (versioncheck($version, '6.1.8', 'update_617-618.php', $response)) {
    $version = '6.1.8';
}
if (versioncheck($version, '6.2.0', 'update_618-620.php', $response)) {
    $version = '6.2.0';
}
if (versioncheck($version, '6.2.1', 'update_620-621.php', $response)) {
    $version = '6.2.1';
}
if (versioncheck($version, '6.2.2', 'update_621-622.php', $response)) {
    $version = '6.2.2';
}
if (versioncheck($version, '6.2.3', 'update_622-623.php', $response)) {
    $version = '6.2.3';
}
if (versioncheck($version, '6.2.4', 'update_623-624.php', $response)) {
    $version = '6.2.4';
}
if (versioncheck($version, '6.2.5', 'update_624-625.php', $response)) {
    $version = '6.2.5';
}


try {

    $query = $sql->prepare("SELECT `developer` FROM `settings` WHERE `resellerid`=0 LIMIT 1");
    $query->execute();

    if ($query->fetchColumn() == 'Y') {

        $devVersion = '6.2.5';

        /*
        if (versioncheck($version, $devVersion, 'update_developer.php', $response, true)) {
            $version = $devVersion;
        }*/

        if (versioncheck($version, $devVersion, 'update_dev_623-624.php', $response, true)) {
            $version = $devVersion;
        }
    }

} catch (PDOException $e) {
    //
}

$response->add('Repairing tables if needed.');
$tables->correctExistingTables();

foreach($tables->getExecutedSql() as $change){
    $response->add($change);
}

# Ende
if (!isset($updateinclude) or $updateinclude == false) {
    $response->add("<br />Database successfully updated!<br /> <b> Please remove the \"install/\" folder and all of it´s content.</b>");
    echo $response->printresponse();
    $sql = null;
}