<?php

/**
 * @name		DB Module
 * @author		Philipp Maurer
 * @author		Tobias Reich
 * @copyright	2014 by Philipp Maurer, Tobias Reich
 */

if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');

function dbConnect() {

	global $dbUser, $dbPassword, $dbHost, $dbName;

	$database = new mysqli($dbHost, $dbUser, $dbPassword);

	if ($database->connect_errno) exit('Error: ' . $database->connect_error);

	// Avoid sql injection on older MySQL versions
	if ($database->server_version<50500) $database->set_charset('GBK');

	if (!$database->select_db($dbName))
		if (!dbCreate($dbName, $database)) exit('Error: Could not create database!');

	if (!$database->query('SELECT * FROM lychee_photos, lychee_albums, lychee_settings LIMIT 0;'))
		if (!dbCreateTables($database)) exit('Error: Could not create tables!');

	return $database;

}

function dbCreateConfig($dbHost = 'localhost', $dbUser, $dbPassword, $dbName = 'lychee', $version) {

	$dbPassword	= urldecode($dbPassword);
	$database	= new mysqli($dbHost, $dbUser, $dbPassword);

	if ($database->connect_errno) return 'Warning: Connection failed!';
	else {

$config = "<?php

/**
 * @name		Config
 * @author		Tobias Reich
 * @copyright	2014 Tobias Reich
*/

if(!defined('LYCHEE')) exit('Error: Direct access is not allowed!');

// Config version
\$configVersion = '';

// Database configuration
\$dbHost = '$dbHost'; //Host of the Database
\$dbUser = '$dbUser'; //Username of the database
\$dbPassword = '$dbPassword'; //Password of the Database
\$dbName = '$dbName'; //Database name

?>";

		if (file_put_contents('../data/config.php', $config)===false) return 'Warning: Could not create file!';

		$_SESSION['login'] = true;
		return true;

	}

}

function dbCreate($dbName, $database) {

	$result = $database->query("CREATE DATABASE IF NOT EXISTS $dbName;");
	$database->select_db($dbName);

	if (!$database->select_db($dbName)||!$result) return false;
	return true;

}

function dbCreateTables($database) {

	if (!$database->query('SELECT * FROM lychee_settings LIMIT 0;')) {

		$query = "

			CREATE TABLE `lychee_settings` (
				`key` varchar(50) NOT NULL DEFAULT '',
				`value` varchar(50) DEFAULT ''
			) ENGINE=MyISAM DEFAULT CHARSET=latin1;

		";

		if (!$database->query($query)) return false;

		$query = "

			INSERT INTO `lychee_settings` (`key`, `value`)
			VALUES
			('username',''),
			('password',''),
			('thumbQuality','90'),
			('checkForUpdates','1'),
			('sorting','ORDER BY id DESC'),
			('dropboxKey','');

		";

		if (!$database->query($query)) return false;

	}

	if (!$database->query('SELECT * FROM lychee_albums LIMIT 0;')) {

		$query = "

			CREATE TABLE `lychee_albums` (
				`id` int(11) NOT NULL AUTO_INCREMENT,
				`title` varchar(50) NOT NULL,
				`description` varchar(1000) DEFAULT '',
				`sysdate` varchar(10) NOT NULL,
				`public` tinyint(1) NOT NULL DEFAULT '0',
				`visible` tinyint(1) NOT NULL DEFAULT '1',
				`password` varchar(100) DEFAULT '',
				PRIMARY KEY (`id`)
			) ENGINE=MyISAM DEFAULT CHARSET=latin1;

		";

		if (!$database->query($query)) return false;

	}

	if (!$database->query('SELECT * FROM lychee_photos LIMIT 0;')) {

		$query = "

			CREATE TABLE `lychee_photos` (
				`id` bigint(14) NOT NULL,
				`title` varchar(50) NOT NULL,
				`description` varchar(1000) NOT NULL DEFAULT '',
				`url` varchar(100) NOT NULL,
				`tags` varchar(1000) NOT NULL DEFAULT '',
				`public` tinyint(1) NOT NULL,
				`type` varchar(10) NOT NULL,
				`width` int(11) NOT NULL,
				`height` int(11) NOT NULL,
				`size` varchar(20) NOT NULL,
				`sysdate` varchar(10) NOT NULL,
				`systime` varchar(8) NOT NULL,
				`iso` varchar(15) NOT NULL,
				`aperture` varchar(20) NOT NULL,
				`make` varchar(20) NOT NULL,
				`model` varchar(50) NOT NULL,
				`shutter` varchar(30) NOT NULL,
				`focal` varchar(20) NOT NULL,
				`takedate` varchar(20) NOT NULL,
				`taketime` varchar(8) NOT NULL,
				`star` tinyint(1) NOT NULL,
				`thumbUrl` varchar(50) NOT NULL,
				`album` varchar(30) NOT NULL DEFAULT '0',
				`import_name` varchar(100) DEFAULT '',
				PRIMARY KEY (`id`)
			) ENGINE=MyISAM DEFAULT CHARSET=latin1;

		";

		if (!$database->query($query)) return false;

	}

	return true;

}

function dbClose() {

	global $database;

	if (!$database->close()) exit('Error: Closing the connection failed!');

	return true;

}

?>