<?php

/**
 * @name        check.php
 * @author      Philipp Maurer
 * @author		Tobias Reich
 * @copyright   2014 by Philipp Maurer, Tobias Reich
 * @description This file takes a look at your Lychee-configuration and displays all errors it can find.
 *				Everything should work if you can see the message 'Lychee is ready!'.
 */

define('LYCHEE', true);
header('content-type: text/plain');

// Declare
$error = '';

// Include
if (!file_exists('../data/config.php')) exit('Error 001: Configuration not found. Please install Lychee first.');
require('../data/config.php');
require('../php/modules/settings.php');

// Database
$database = new mysqli($dbHost, $dbUser, $dbPassword, $dbName);
if (mysqli_connect_errno()!=0) $error .= ('Error 100: ' . mysqli_connect_errno() . ': ' . mysqli_connect_error() . '' . PHP_EOL);

// Get Settings
$settings = getSettings();

// PHP Version
if (floatval(phpversion())<5.2) $error .= ('Error 200: Please upgrade to PHP 5.2 or higher!' . PHP_EOL);

// Extensions
if (!extension_loaded('exif')) $error .= ('Error 300: PHP exif extension not activated' . PHP_EOL);
if (!extension_loaded('mbstring')) $error .= ('Error 301: PHP mbstring extension not activated' . PHP_EOL);
if (!extension_loaded('gd')) $error .= ('Error 302: PHP gd extension not activated' . PHP_EOL);
if (!extension_loaded('mysqli')) $error .= ('Error 303: PHP mysqli extension not activated' . PHP_EOL);

// Config
if (!isset($dbName)||$dbName=='') $error .= ('Error 400: No property for $dbName in config.php' . PHP_EOL);
if (!isset($dbUser)||$dbUser=='') $error .= ('Error 401: No property for $dbUser in config.php' . PHP_EOL);
if (!isset($dbPassword)) $error .= ('Error 402: No property for $dbPassword in config.php' . PHP_EOL);
if (!isset($dbHost)||$dbHost=='') $error .= ('Error 403: No property for $dbHost in config.php' . PHP_EOL);

// Database Config
if (!$settings['username']||$settings['username']=='') $error .= ('Error 404: Username empty or not set' . PHP_EOL);
if (!$settings['password']||$settings['password']=='') $error .= ('Error 405: Password empty or not set' . PHP_EOL);
if (!$settings['checkForUpdates']||($settings['checkForUpdates']!='0'&&$settings['checkForUpdates']!='1')) $error .= ('Error 406: No or wrong property for checkForUpdates' . PHP_EOL);
if (!$settings['thumbQuality']||$settings['thumbQuality']=='') $error .= ('Error 407: No or wrong property for thumbQuality' . PHP_EOL);
if (!$settings['sorting']||$settings['sorting']=='') $error .= ('Error 408: Wrong property for sorting' . PHP_EOL);

// Permissions
if (substr(sprintf('%o', @fileperms('../uploads/big/')), -4)!='0777') $error .= ('Error 500: Wrong permissions for \'uploads/big\' (777 required)' . PHP_EOL);
if (substr(sprintf('%o', @fileperms('../uploads/thumb/')), -4)!='0777') $error .= ('Error 501: Wrong permissions for \'uploads/thumb\' (777 required)' . PHP_EOL);
if (substr(sprintf('%o', @fileperms('../uploads/import/')), -4)!='0777') $error .= ('Error 502: Wrong permissions for \'uploads/import\' (777 required)' . PHP_EOL);
if (substr(sprintf('%o', @fileperms('../uploads/')), -4)!='0777') $error .= ('Error 503: Wrong permissions for \'uploads/\' (777 required)' . PHP_EOL);
if (substr(sprintf('%o', @fileperms('../data/')), -4)!='0777') $error .= ('Error 504: Wrong permissions for \'data/\' (777 required)' . PHP_EOL);

if ($error=='') echo('Lychee is ready. Lets rock!' . PHP_EOL . PHP_EOL); else echo $error;

// Check php.ini Settings
if (ini_get('max_execution_time')<200&&ini_set('upload_max_filesize', '20M')!==true) echo('Warning: You may experience problems when uploading a large amount of photos. Take a look in the FAQ for details.' . PHP_EOL);

// Check mysql version
if ($database->server_version<50500) echo('Warning: Lychee uses the GBK charset to avoid sql injections on your MySQL version. Please update to MySQL 5.5 or higher to enable UTF-8 support.' . PHP_EOL);

?>