<?php
if (function_exists('opcache_reset')) {
	opcache_reset();
}

define('BCRYPT_COST', 9);

session_name('FreshRSS');
session_set_cookie_params(0, dirname(empty($_SERVER['REQUEST_URI']) ? '/' : dirname($_SERVER['REQUEST_URI'])), null, false, true);
session_start();

Minz_Configuration::register('default_system', join_path(DATA_PATH, 'config.default.php'));
Minz_Configuration::register('default_user', join_path(USERS_PATH, '_', 'config.default.php'));

if (isset($_GET['step'])) {
	define('STEP',(int)$_GET['step']);
} else {
	define('STEP', 0);
}

define('SQL_CREATE_DB', 'CREATE DATABASE IF NOT EXISTS %1$s DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;');

if (STEP === 3 && isset($_POST['type'])) {
	$_SESSION['bd_type'] = $_POST['type'];
}

if (isset($_SESSION['bd_type'])) {
	switch ($_SESSION['bd_type']) {
	case 'mysql':
		include(APP_PATH . '/SQL/install.sql.mysql.php');
		break;
	case 'sqlite':
		include(APP_PATH . '/SQL/install.sql.sqlite.php');
		break;
	}
}

function param($key, $default = false) {
	if (isset($_POST[$key])) {
		return $_POST[$key];
	} else {
		return $default;
	}
}


// gestion internationalisation
function initTranslate() {
	Minz_Translate::init();
	$available_languages = Minz_Translate::availableLanguages();

	if (!isset($_SESSION['language'])) {
		$_SESSION['language'] = get_best_language();
	}

	if (!in_array($_SESSION['language'], $available_languages)) {
		$_SESSION['language'] = 'en';
	}

	Minz_Translate::reset($_SESSION['language']);
}

function get_best_language() {
	$accept = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
	return strtolower(substr($accept, 0, 2));
}


/*** SAUVEGARDES ***/
function saveLanguage() {
	if (!empty($_POST)) {
		if (!isset($_POST['language'])) {
			return false;
		}

		$_SESSION['language'] = $_POST['language'];

		header('Location: index.php?step=1');
	}
}

function saveStep1() {
	if (isset($_POST['freshrss-keep-install']) &&
			$_POST['freshrss-keep-install'] === '1') {
		// We want to keep our previous installation of FreshRSS
		// so we need to make next steps valid by setting $_SESSION vars
		// with values from the previous installation

		// First, we try to get previous configurations
		Minz_Configuration::register('system',
		                             join_path(DATA_PATH, 'config.php'),
		                             join_path(DATA_PATH, 'config.default.php'));
		$system_conf = Minz_Configuration::get('system');

		$current_user = $system_conf->default_user;
		Minz_Configuration::register('user',
		                             join_path(USERS_PATH, $current_user, 'config.php'),
		                             join_path(USERS_PATH, '_', 'config.default.php'));
		$user_conf = Minz_Configuration::get('user');

		// Then, we set $_SESSION vars
		$_SESSION['title'] = $system_conf->title;
		$_SESSION['auth_type'] = $system_conf->auth_type;
		$_SESSION['old_entries'] = $user_conf->old_entries;
		$_SESSION['mail_login'] = $user_conf->mail_login;
		$_SESSION['default_user'] = $current_user;
		$_SESSION['passwordHash'] = $user_conf->passwordHash;

		$db = $system_conf->db;
		$_SESSION['bd_type'] = $db['type'];
		$_SESSION['bd_host'] = $db['host'];
		$_SESSION['bd_user'] = $db['user'];
		$_SESSION['bd_password'] = $db['password'];
		$_SESSION['bd_base'] = $db['base'];
		$_SESSION['bd_prefix'] = $db['prefix'];
		$_SESSION['bd_error'] = '';

		header('Location: index.php?step=4');
	}
}

function saveStep2() {
	$user_default_config = Minz_Configuration::get('default_user');
	if (!empty($_POST)) {
		$system_default_config = Minz_Configuration::get('default_system');
		$_SESSION['title'] = $system_default_config->title;
		$_SESSION['old_entries'] = param('old_entries', $user_default_config->old_entries);
		$_SESSION['auth_type'] = param('auth_type', 'form');
		$_SESSION['default_user'] = substr(preg_replace('/[^a-zA-Z0-9]/', '', param('default_user', '')), 0, 16);
		$_SESSION['mail_login'] = filter_var(param('mail_login', ''), FILTER_VALIDATE_EMAIL);

		$password_plain = param('passwordPlain', false);
		if ($password_plain !== false) {
			if (!function_exists('password_hash')) {
				include_once(LIB_PATH . '/password_compat.php');
			}
			$passwordHash = password_hash($password_plain, PASSWORD_BCRYPT, array('cost' => BCRYPT_COST));
			$passwordHash = preg_replace('/^\$2[xy]\$/', '\$2a\$', $passwordHash);	//Compatibility with bcrypt.js
			$_SESSION['passwordHash'] = $passwordHash;
		}

		if (empty($_SESSION['old_entries']) ||
		    empty($_SESSION['auth_type']) ||
		    empty($_SESSION['default_user'])) {
			return false;
		}

		if (($_SESSION['auth_type'] === 'form' && empty($_SESSION['passwordHash'])) ||
				($_SESSION['auth_type'] === 'persona' && empty($_SESSION['mail_login']))) {
			return false;
		}

		$_SESSION['salt'] = sha1(uniqid(mt_rand(), true).implode('', stat(__FILE__)));
		if ((!ctype_digit($_SESSION['old_entries'])) ||($_SESSION['old_entries'] < 1)) {
			$_SESSION['old_entries'] = $user_default_config->old_entries;
		}

		$token = '';
		if ($_SESSION['mail_login']) {
			$token = sha1($_SESSION['salt'] . $_SESSION['mail_login']);
		}

		$config_array = array(
			'language' => $_SESSION['language'],
			'theme' => $user_default_config->theme,
			'old_entries' => $_SESSION['old_entries'],
			'mail_login' => $_SESSION['mail_login'],
			'passwordHash' => $_SESSION['passwordHash'],
			'token' => $token,
		);

		// Create default user files but first, we delete previous data to
		// avoid access right problems.
		$user_dir = join_path(USERS_PATH, $_SESSION['default_user']);
		$user_config_path = join_path($user_dir, 'config.php');

		recursive_unlink($user_dir);
		mkdir($user_dir);
		file_put_contents($user_config_path, "<?php\n return " . var_export($config_array, true) . ';');

		if ($_SESSION['mail_login'] != '') {
			$personaFile = join_path(DATA_PATH, 'persona', $_SESSION['mail_login'] . '.txt');
			@unlink($personaFile);
			file_put_contents($personaFile, $_SESSION['default_user']);
		}

		header('Location: index.php?step=3');
	}
}

function saveStep3() {
	if (!empty($_POST)) {
		if ($_SESSION['bd_type'] === 'sqlite') {
			$_SESSION['bd_base'] = $_SESSION['default_user'];
			$_SESSION['bd_host'] = '';
			$_SESSION['bd_user'] = '';
			$_SESSION['bd_password'] = '';
			$_SESSION['bd_prefix'] = '';
			$_SESSION['bd_prefix_user'] = '';	//No prefix for SQLite
		} else {
			if (empty($_POST['type']) ||
			    empty($_POST['host']) ||
			    empty($_POST['user']) ||
			    empty($_POST['base'])) {
				$_SESSION['bd_error'] = 'Missing parameters!';
			}
			$_SESSION['bd_base'] = substr($_POST['base'], 0, 64);
			$_SESSION['bd_host'] = $_POST['host'];
			$_SESSION['bd_user'] = $_POST['user'];
			$_SESSION['bd_password'] = $_POST['pass'];
			$_SESSION['bd_prefix'] = substr($_POST['prefix'], 0, 16);
			$_SESSION['bd_prefix_user'] = $_SESSION['bd_prefix'] . (empty($_SESSION['default_user']) ? '' : ($_SESSION['default_user'] . '_'));
		}

		// We use dirname to remove the /i part
		$base_url = dirname(Minz_Request::guessBaseUrl());
		$config_array = array(
			'salt' => $_SESSION['salt'],
			'base_url' => $base_url,
			'title' => $_SESSION['title'],
			'default_user' => $_SESSION['default_user'],
			'auth_type' => $_SESSION['auth_type'],
			'db' => array(
				'type' => $_SESSION['bd_type'],
				'host' => $_SESSION['bd_host'],
				'user' => $_SESSION['bd_user'],
				'password' => $_SESSION['bd_password'],
				'base' => $_SESSION['bd_base'],
				'prefix' => $_SESSION['bd_prefix'],
				'pdo_options' => array(),
			),
			'pubsubhubbub_enabled' => server_is_public($base_url),
		);

		@unlink(join_path(DATA_PATH, 'config.php'));	//To avoid access-rights problems
		file_put_contents(join_path(DATA_PATH, 'config.php'), "<?php\n return " . var_export($config_array, true) . ';');

		$res = checkBD();

		if ($res) {
			$_SESSION['bd_error'] = '';
			header('Location: index.php?step=4');
		} elseif (empty($_SESSION['bd_error'])) {
			$_SESSION['bd_error'] = 'Unknown error!';
		}
	}
	invalidateHttpCache();
}

function newPdo() {
	switch ($_SESSION['bd_type']) {
	case 'mysql':
		$str = 'mysql:host=' . $_SESSION['bd_host'] . ';dbname=' . $_SESSION['bd_base'];
		$driver_options = array(
			PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8',
		);
		break;
	case 'sqlite':
		$str = 'sqlite:' . join_path(USERS_PATH, $_SESSION['default_user'], 'db.sqlite');
		$driver_options = array(
			PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
		);
		break;
	default:
		return false;
	}
	return new PDO($str, $_SESSION['bd_user'], $_SESSION['bd_password'], $driver_options);
}

function deleteInstall() {
	$res = unlink(join_path(DATA_PATH, 'do-install.txt'));

	if (!$res) {
		return false;
	}

	header('Location: index.php');
}


/*** VÉRIFICATIONS ***/
function checkStep() {
	$s0 = checkStep0();
	$s1 = checkStep1();
	$s2 = checkStep2();
	$s3 = checkStep3();
	if (STEP > 0 && $s0['all'] != 'ok') {
		header('Location: index.php?step=0');
	} elseif (STEP > 1 && $s1['all'] != 'ok') {
		header('Location: index.php?step=1');
	} elseif (STEP > 2 && $s2['all'] != 'ok') {
		header('Location: index.php?step=2');
	} elseif (STEP > 3 && $s3['all'] != 'ok') {
		header('Location: index.php?step=3');
	}
	$_SESSION['actualize_feeds'] = true;
}

function checkStep0() {
	$languages = Minz_Translate::availableLanguages();
	$language = isset($_SESSION['language']) &&
	            in_array($_SESSION['language'], $languages);

	return array(
		'language' => $language ? 'ok' : 'ko',
		'all' => $language ? 'ok' : 'ko'
	);
}

function checkStep1() {
	$php = version_compare(PHP_VERSION, '5.2.1') >= 0;
	$minz = file_exists(join_path(LIB_PATH, 'Minz'));
	$curl = extension_loaded('curl');
	$pdo_mysql = extension_loaded('pdo_mysql');
	$pdo_sqlite = extension_loaded('pdo_sqlite');
	$pdo = $pdo_mysql || $pdo_sqlite;
	$pcre = extension_loaded('pcre');
	$ctype = extension_loaded('ctype');
	$dom = class_exists('DOMDocument');
	$data = DATA_PATH && is_writable(DATA_PATH);
	$cache = CACHE_PATH && is_writable(CACHE_PATH);
	$users = USERS_PATH && is_writable(USERS_PATH);
	$favicons = is_writable(join_path(DATA_PATH, 'favicons'));
	$persona = is_writable(join_path(DATA_PATH, 'persona'));
	$http_referer = is_referer_from_same_domain();

	return array(
		'php' => $php ? 'ok' : 'ko',
		'minz' => $minz ? 'ok' : 'ko',
		'curl' => $curl ? 'ok' : 'ko',
		'pdo-mysql' => $pdo_mysql ? 'ok' : 'ko',
		'pdo-sqlite' => $pdo_sqlite ? 'ok' : 'ko',
		'pdo' => $pdo ? 'ok' : 'ko',
		'pcre' => $pcre ? 'ok' : 'ko',
		'ctype' => $ctype ? 'ok' : 'ko',
		'dom' => $dom ? 'ok' : 'ko',
		'data' => $data ? 'ok' : 'ko',
		'cache' => $cache ? 'ok' : 'ko',
		'users' => $users ? 'ok' : 'ko',
		'favicons' => $favicons ? 'ok' : 'ko',
		'persona' => $persona ? 'ok' : 'ko',
		'http_referer' => $http_referer ? 'ok' : 'ko',
		'all' => $php && $minz && $curl && $pdo && $pcre && $ctype && $dom &&
		         $data && $cache && $users && $favicons && $persona && $http_referer ?
		         'ok' : 'ko'
	);
}

function freshrss_already_installed() {
	$conf_path = join_path(DATA_PATH, 'config.php');
	if (!file_exists($conf_path)) {
		return false;
	}

	// A configuration file already exists, we try to load it.
	$system_conf = null;
	try {
		Minz_Configuration::register('system', $conf_path);
		$system_conf = Minz_Configuration::get('system');
	} catch (Minz_FileNotExistException $e) {
		return false;
	}

	// ok, the global conf exists... but what about default user conf?
	$current_user = $system_conf->default_user;
	try {
		Minz_Configuration::register('user', join_path(USERS_PATH, $current_user, 'config.php'));
	} catch (Minz_FileNotExistException $e) {
		return false;
	}

	// ok, ok, default user exists too!
	return true;
}

function checkStep2() {
	$conf = !empty($_SESSION['old_entries']) &&
	        isset($_SESSION['mail_login']) &&
	        !empty($_SESSION['default_user']);

	$form = (
		isset($_SESSION['auth_type']) &&
		($_SESSION['auth_type'] != 'form' || !empty($_SESSION['passwordHash']))
	);

	$persona = (
		isset($_SESSION['auth_type']) &&
		($_SESSION['auth_type'] != 'persona' || !empty($_SESSION['mail_login']))
	);

	$defaultUser = empty($_POST['default_user']) ? null : $_POST['default_user'];
	if ($defaultUser === null) {
		$defaultUser = empty($_SESSION['default_user']) ? '' : $_SESSION['default_user'];
	}
	$data = is_writable(join_path(USERS_PATH, $defaultUser, 'config.php'));

	return array(
		'conf' => $conf ? 'ok' : 'ko',
		'form' => $form ? 'ok' : 'ko',
		'persona' => $persona ? 'ok' : 'ko',
		'data' => $data ? 'ok' : 'ko',
		'all' => $conf && $form && $persona && $data ? 'ok' : 'ko'
	);
}

function checkStep3() {
	$conf = is_writable(join_path(DATA_PATH, 'config.php'));

	$bd = isset($_SESSION['bd_type']) &&
	      isset($_SESSION['bd_host']) &&
	      isset($_SESSION['bd_user']) &&
	      isset($_SESSION['bd_password']) &&
	      isset($_SESSION['bd_base']) &&
	      isset($_SESSION['bd_prefix']) &&
	      isset($_SESSION['bd_error']);
	$conn = empty($_SESSION['bd_error']);

	return array(
		'bd' => $bd ? 'ok' : 'ko',
		'conn' => $conn ? 'ok' : 'ko',
		'conf' => $conf ? 'ok' : 'ko',
		'all' => $bd && $conn && $conf ? 'ok' : 'ko'
	);
}

function checkBD() {
	$ok = false;

	try {
		$str = '';
		$driver_options = null;
		switch ($_SESSION['bd_type']) {
		case 'mysql':
			$driver_options = array(
				PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'
			);

			try {	// on ouvre une connexion juste pour créer la base si elle n'existe pas
				$str = 'mysql:host=' . $_SESSION['bd_host'] . ';';
				$c = new PDO($str, $_SESSION['bd_user'], $_SESSION['bd_password'], $driver_options);
				$sql = sprintf(SQL_CREATE_DB, $_SESSION['bd_base']);
				$res = $c->query($sql);
			} catch (PDOException $e) {
			}

			// on écrase la précédente connexion en sélectionnant la nouvelle BDD
			$str = 'mysql:host=' . $_SESSION['bd_host'] . ';dbname=' . $_SESSION['bd_base'];
			break;
		case 'sqlite':
			$str = 'sqlite:' . join_path(USERS_PATH, $_SESSION['default_user'], 'db.sqlite');
			$driver_options = array(
				PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
			);
			break;
		default:
			return false;
		}

		$c = new PDO($str, $_SESSION['bd_user'], $_SESSION['bd_password'], $driver_options);

		if (defined('SQL_CREATE_TABLES')) {
			$sql = sprintf(SQL_CREATE_TABLES, $_SESSION['bd_prefix_user'], _t('gen.short.default_category'));
			$stm = $c->prepare($sql);
			$ok = $stm->execute();
		} else {
			global $SQL_CREATE_TABLES;
			if (is_array($SQL_CREATE_TABLES)) {
				$ok = true;
				foreach ($SQL_CREATE_TABLES as $instruction) {
					$sql = sprintf($instruction, $_SESSION['bd_prefix_user'], _t('gen.short.default_category'));
					$stm = $c->prepare($sql);
					$ok &= $stm->execute();
				}
			}
		}
	} catch (PDOException $e) {
		$ok = false;
		$_SESSION['bd_error'] = $e->getMessage();
	}

	if (!$ok) {
		@unlink(join_path(DATA_PATH, 'config.php'));
	}

	return $ok;
}

/*** AFFICHAGE ***/
function printStep0() {
	$actual = Minz_Translate::language();
	$languages = Minz_Translate::availableLanguages();
?>
	<?php $s0 = checkStep0(); if ($s0['all'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.language.defined'); ?></p>
	<?php } ?>

	<form action="index.php?step=0" method="post">
		<legend><?php echo _t('install.language.choose'); ?></legend>
		<div class="form-group">
			<label class="group-name" for="language"><?php echo _t('install.language'); ?></label>
			<div class="group-controls">
				<select name="language" id="language" tabindex="1" >
				<?php foreach ($languages as $lang) { ?>
				<option value="<?php echo $lang; ?>"<?php echo $actual == $lang ? ' selected="selected"' : ''; ?>>
					<?php echo _t('gen.lang.' . $lang); ?>
				</option>
				<?php } ?>
				</select>
			</div>
		</div>

		<div class="form-group form-actions">
			<div class="group-controls">
				<button type="submit" class="btn btn-important" tabindex="2" ><?php echo _t('gen.action.submit'); ?></button>
				<button type="reset" class="btn" tabindex="3" ><?php echo _t('gen.action.cancel'); ?></button>
				<?php if ($s0['all'] == 'ok') { ?>
				<a class="btn btn-important next-step" href="?step=1" tabindex="4" ><?php echo _t('install.action.next_step'); ?></a>
				<?php } ?>
			</div>
		</div>
	</form>
<?php
}

// @todo refactor this view with the check_install action
function printStep1() {
	$res = checkStep1();
?>
	<noscript><p class="alert alert-warn"><span class="alert-head"><?php echo _t('gen.short.attention'); ?></span> <?php echo _t('install.javascript_is_better'); ?></p></noscript>

	<?php if ($res['php'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.php.ok', PHP_VERSION); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.php.nok', PHP_VERSION, '5.2.1'); ?></p>
	<?php } ?>

	<?php if ($res['minz'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.minz.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.minz.nok', join_path(LIB_PATH, 'Minz')); ?></p>
	<?php } ?>

	<?php if ($res['pdo'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.pdo.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.pdo.nok'); ?></p>
	<?php } ?>

	<?php if ($res['curl'] == 'ok') { ?>
	<?php $version = curl_version(); ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.curl.ok', $version['version']); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.curl.nok'); ?></p>
	<?php } ?>

	<?php if ($res['pcre'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.pcre.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.pcre.nok'); ?></p>
	<?php } ?>

	<?php if ($res['ctype'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.ctype.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.ctype.nok'); ?></p>
	<?php } ?>

	<?php if ($res['dom'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.dom.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.dom.nok'); ?></p>
	<?php } ?>

	<?php if ($res['data'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.data.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.data.nok', DATA_PATH); ?></p>
	<?php } ?>

	<?php if ($res['cache'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.cache.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.cache.nok', CACHE_PATH); ?></p>
	<?php } ?>

	<?php if ($res['users'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.users.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.users.nok', USERS_PATH); ?></p>
	<?php } ?>

	<?php if ($res['favicons'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.favicons.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.favicons.nok', DATA_PATH . '/favicons'); ?></p>
	<?php } ?>

	<?php if ($res['persona'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.persona.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.persona.nok', DATA_PATH . '/persona'); ?></p>
	<?php } ?>

	<?php if ($res['http_referer'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.check.http_referer.ok'); ?></p>
	<?php } else { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.check.http_referer.nok'); ?></p>
	<?php } ?>

	<?php if (freshrss_already_installed() && $res['all'] == 'ok') { ?>
	<p class="alert alert-warn"><span class="alert-head"><?php echo _t('gen.short.attention'); ?></span> <?php echo _t('install.check.already_installed'); ?></p>

	<form action="index.php?step=1" method="post">
		<input type="hidden" name="freshrss-keep-install" value="1" />
		<button type="submit" class="btn btn-important next-step" tabindex="1" ><?php echo _t('install.action.keep_install'); ?></button>
		<a class="btn btn-attention next-step confirm" data-str-confirm="<?php echo _t('install.js.confirm_reinstall'); ?>" href="?step=2" tabindex="2" ><?php echo _t('install.action.reinstall'); ?></a>
	</form>

	<script>
		function ask_confirmation(e) {
			var str_confirmation = this.getAttribute('data-str-confirm');
			if (!str_confirmation) {
				str_confirmation = "<?php echo _t('gen.js.confirm_action'); ?>";
			}

			if (!confirm(str_confirmation)) {
				e.preventDefault();
			}
		}

		function init_confirm() {
			confirms = document.getElementsByClassName('confirm');
			for (var i = 0 ; i < confirms.length ; i++) {
				confirms[i].addEventListener('click', ask_confirmation);
			}
		}

		init_confirm();
	</script>
	<?php } elseif ($res['all'] == 'ok') { ?>
	<a class="btn btn-important next-step" href="?step=2" tabindex="1" ><?php echo _t('install.action.next_step'); ?></a>
	<?php } else { ?>
	<p class="alert alert-error"><?php echo _t('install.action.fix_errors_before'); ?></p>
	<?php } ?>
<?php
}

function printStep2() {
	$user_default_config = Minz_Configuration::get('default_user');
?>
	<?php $s2 = checkStep2(); if ($s2['all'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.conf.ok'); ?></p>
	<?php } elseif (!empty($_POST)) { ?>
	<p class="alert alert-error"><?php echo _t('install.fix_errors_before'); ?></p>
	<?php } ?>

	<form action="index.php?step=2" method="post">
		<legend><?php echo _t('install.conf'); ?></legend>

		<div class="form-group">
			<label class="group-name" for="old_entries"><?php echo _t('install.delete_articles_after'); ?></label>
			<div class="group-controls">
				<input type="number" id="old_entries" name="old_entries" required="required" min="1" max="1200" value="<?php echo isset($_SESSION['old_entries']) ? $_SESSION['old_entries'] : $user_default_config->old_entries; ?>" tabindex="2" /> <?php echo _t('gen.date.month'); ?>
			</div>
		</div>

		<div class="form-group">
			<label class="group-name" for="default_user"><?php echo _t('install.default_user'); ?></label>
			<div class="group-controls">
				<input type="text" id="default_user" name="default_user" required="required" size="16" maxlength="16" pattern="[0-9a-zA-Z]{1,16}" value="<?php echo isset($_SESSION['default_user']) ? $_SESSION['default_user'] : ''; ?>" placeholder="<?php echo httpAuthUser() == '' ? 'alice' : httpAuthUser(); ?>" tabindex="3" />
			</div>
		</div>

		<div class="form-group">
			<label class="group-name" for="auth_type"><?php echo _t('install.auth.type'); ?></label>
			<div class="group-controls">
				<select id="auth_type" name="auth_type" required="required" onchange="auth_type_change(true)" tabindex="4">
					<?php
						function no_auth($auth_type) {
							return !in_array($auth_type, array('form', 'persona', 'http_auth', 'none'));
						}
						$auth_type = isset($_SESSION['auth_type']) ? $_SESSION['auth_type'] : '';
					?>
					<option value="form"<?php echo $auth_type === 'form' || no_auth($auth_type) ? ' selected="selected"' : '', cryptAvailable() ? '' : ' disabled="disabled"'; ?>><?php echo _t('install.auth.form'); ?></option>
					<option value="persona"<?php echo $auth_type === 'persona' ? ' selected="selected"' : ''; ?>><?php echo _t('install.auth.persona'); ?></option>
					<option value="http_auth"<?php echo $auth_type === 'http_auth' ? ' selected="selected"' : '', httpAuthUser() == '' ? ' disabled="disabled"' : ''; ?>><?php echo _t('install.auth.http'); ?>(REMOTE_USER = '<?php echo httpAuthUser(); ?>')</option>
					<option value="none"<?php echo $auth_type === 'none' ? ' selected="selected"' : ''; ?>><?php echo _t('install.auth.none'); ?></option>
				</select>
			</div>
		</div>

		<div class="form-group">
			<label class="group-name" for="passwordPlain"><?php echo _t('install.auth.password_form'); ?></label>
			<div class="group-controls">
				<div class="stick">
					<input type="password" id="passwordPlain" name="passwordPlain" pattern=".{7,}" autocomplete="off" <?php echo $auth_type === 'form' ? ' required="required"' : ''; ?> tabindex="5" />
					<a class="btn toggle-password" data-toggle="passwordPlain"><?php echo FreshRSS_Themes::icon('key'); ?></a>
				</div>
				<?php echo _i('help'); ?> <?php echo _t('install.auth.password_format'); ?>
				<noscript><b><?php echo _t('gen.js.should_be_activated'); ?></b></noscript>
			</div>
		</div>

		<div class="form-group">
			<label class="group-name" for="mail_login"><?php echo _t('install.auth.email_persona'); ?></label>
			<div class="group-controls">
				<input type="email" id="mail_login" name="mail_login" value="<?php echo isset($_SESSION['mail_login']) ? $_SESSION['mail_login'] : ''; ?>" placeholder="alice@example.net" <?php echo $auth_type === 'persona' ? ' required="required"' : ''; ?> tabindex="6"/>
				<noscript><b><?php echo _t('gen.js.should_be_activated'); ?></b></noscript>
			</div>
		</div>

		<script>
			function show_password() {
				var button = this;
				var passwordField = document.getElementById(button.getAttribute('data-toggle'));
				passwordField.setAttribute('type', 'text');
				button.className += ' active';

				return false;
			}
			function hide_password() {
				var button = this;
				var passwordField = document.getElementById(button.getAttribute('data-toggle'));
				passwordField.setAttribute('type', 'password');
				button.className = button.className.replace(/(?:^|\s)active(?!\S)/g , '');

				return false;
			}
			toggles = document.getElementsByClassName('toggle-password');
			for (var i = 0 ; i < toggles.length ; i++) {
				toggles[i].addEventListener('mousedown', show_password);
				toggles[i].addEventListener('mouseup', hide_password);
			}

			function auth_type_change() {
				var auth_value = document.getElementById('auth_type').value,
				    password_input = document.getElementById('passwordPlain'),
				    mail_input = document.getElementById('mail_login');

				if (auth_value === 'form') {
					password_input.required = true;
					mail_input.required = false;
				} else if (auth_value === 'persona') {
					password_input.required = false;
					mail_input.required = true;
				} else {
					password_input.required = false;
					mail_input.required = false;
				}
			}
			auth_type_change();
		</script>

		<div class="form-group form-actions">
			<div class="group-controls">
				<button type="submit" class="btn btn-important" tabindex="7" ><?php echo _t('gen.action.submit'); ?></button>
				<button type="reset" class="btn" tabindex="8" ><?php echo _t('gen.action.cancel'); ?></button>
				<?php if ($s2['all'] == 'ok') { ?>
				<a class="btn btn-important next-step" href="?step=3" tabindex="9" ><?php echo _t('install.action.next_step'); ?></a>
				<?php } ?>
			</div>
		</div>
	</form>
<?php
}

function printStep3() {
	$system_default_config = Minz_Configuration::get('default_system');
?>
	<?php $s3 = checkStep3(); if ($s3['all'] == 'ok') { ?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('gen.short.ok'); ?></span> <?php echo _t('install.bdd.conf.ok'); ?></p>
	<?php } elseif ($s3['conn'] == 'ko') { ?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.bdd.conf.ko'),(empty($_SESSION['bd_error']) ? '' : ' : ' . $_SESSION['bd_error']); ?></p>
	<?php } ?>

	<form action="index.php?step=3" method="post">
		<legend><?php echo _t('install.bdd.conf'); ?></legend>
		<div class="form-group">
			<label class="group-name" for="type"><?php echo _t('install.bdd.type'); ?></label>
			<div class="group-controls">
				<select name="type" id="type" onchange="mySqlShowHide()" tabindex="1" >
				<?php if (extension_loaded('pdo_mysql')) {?>
				<option value="mysql"
					<?php echo(isset($_SESSION['bd_type']) && $_SESSION['bd_type'] === 'mysql') ? 'selected="selected"' : ''; ?>>
					MySQL
				</option>
				<?php }?>
				<?php if (extension_loaded('pdo_sqlite')) {?>
				<option value="sqlite"
					<?php echo(isset($_SESSION['bd_type']) && $_SESSION['bd_type'] === 'sqlite') ? 'selected="selected"' : ''; ?>>
					SQLite
				</option>
				<?php }?>
				</select>
			</div>
		</div>

		<div id="mysql">
		<div class="form-group">
			<label class="group-name" for="host"><?php echo _t('install.bdd.host'); ?></label>
			<div class="group-controls">
				<input type="text" id="host" name="host" pattern="[0-9A-Za-z_.-]{1,64}" value="<?php echo isset($_SESSION['bd_host']) ? $_SESSION['bd_host'] : $system_default_config->db['host']; ?>" tabindex="2" />
			</div>
		</div>

		<div class="form-group">
			<label class="group-name" for="user"><?php echo _t('install.bdd.username'); ?></label>
			<div class="group-controls">
				<input type="text" id="user" name="user" maxlength="16" pattern="[0-9A-Za-z_.-]{1,16}" value="<?php echo isset($_SESSION['bd_user']) ? $_SESSION['bd_user'] : ''; ?>" tabindex="3" />
			</div>
		</div>

		<div class="form-group">
			<label class="group-name" for="pass"><?php echo _t('install.bdd.password'); ?></label>
			<div class="group-controls">
				<input type="password" id="pass" name="pass" value="<?php echo isset($_SESSION['bd_password']) ? $_SESSION['bd_password'] : ''; ?>" tabindex="4" />
			</div>
		</div>

		<div class="form-group">
			<label class="group-name" for="base"><?php echo _t('install.bdd'); ?></label>
			<div class="group-controls">
				<input type="text" id="base" name="base" maxlength="64" pattern="[0-9A-Za-z_]{1,64}" value="<?php echo isset($_SESSION['bd_base']) ? $_SESSION['bd_base'] : ''; ?>" tabindex="5" />
			</div>
		</div>

		<div class="form-group">
			<label class="group-name" for="prefix"><?php echo _t('install.bdd.prefix'); ?></label>
			<div class="group-controls">
				<input type="text" id="prefix" name="prefix" maxlength="16" pattern="[0-9A-Za-z_]{1,16}" value="<?php echo isset($_SESSION['bd_prefix']) ? $_SESSION['bd_prefix'] :  $system_default_config->db['prefix']; ?>" tabindex="6" />
			</div>
		</div>
		</div>
		<script>
			function mySqlShowHide() {
				document.getElementById('mysql').style.display = document.getElementById('type').value === 'mysql' ? 'block' : 'none';
				if (document.getElementById('type').value !== 'mysql') {
					document.getElementById('host').value = '';
					document.getElementById('user').value = '';
					document.getElementById('pass').value = '';
					document.getElementById('base').value = '';
					document.getElementById('prefix').value = '';
				}
			}
			mySqlShowHide();
		</script>

		<div class="form-group form-actions">
			<div class="group-controls">
				<button type="submit" class="btn btn-important" tabindex="7" ><?php echo _t('gen.action.submit'); ?></button>
				<button type="reset" class="btn" tabindex="8" ><?php echo _t('gen.action.cancel'); ?></button>
				<?php if ($s3['all'] == 'ok') { ?>
				<a class="btn btn-important next-step" href="?step=4" tabindex="9" ><?php echo _t('install.action.next_step'); ?></a>
				<?php } ?>
			</div>
		</div>
	</form>
<?php
}

function printStep4() {
?>
	<p class="alert alert-success"><span class="alert-head"><?php echo _t('install.congratulations'); ?></span> <?php echo _t('install.ok'); ?></p>
	<a class="btn btn-important next-step" href="?step=5" tabindex="1"><?php echo _t('install.action.finish'); ?></a>
<?php
}

function printStep5() {
?>
	<p class="alert alert-error"><span class="alert-head"><?php echo _t('gen.short.damn'); ?></span> <?php echo _t('install.not_deleted', DATA_PATH . '/do-install.txt'); ?></p>
<?php
}

initTranslate();

checkStep();

switch (STEP) {
case 0:
default:
	saveLanguage();
	break;
case 1:
	saveStep1();
	break;
case 2:
	saveStep2();
	break;
case 3:
	saveStep3();
	break;
case 4:
	break;
case 5:
	deleteInstall();
	break;
}
?>
<!DOCTYPE html>
<html lang="fr">
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="initial-scale=1.0">
		<title><?php echo _t('install.title'); ?></title>
		<link rel="stylesheet" type="text/css" media="all" href="../themes/base-theme/template.css" />
		<link rel="stylesheet" type="text/css" media="all" href="../themes/Origine/origine.css" />
	</head>
	<body>

<div class="header">
	<div class="item title">
		<h1><a href="index.php"><?php echo _t('install.title'); ?></a></h1>
		<h2><?php echo _t('install.step', STEP); ?></h2>
	</div>
</div>

<div id="global">
	<ul class="nav nav-list aside">
		<li class="nav-header"><?php echo _t('install.steps'); ?></li>
		<li class="item<?php echo STEP == 0 ? ' active' : ''; ?>"><a href="?step=0"><?php echo _t('install.language'); ?></a></li>
		<li class="item<?php echo STEP == 1 ? ' active' : ''; ?>"><a href="?step=1"><?php echo _t('install.check'); ?></a></li>
		<li class="item<?php echo STEP == 2 ? ' active' : ''; ?>"><a href="?step=2"><?php echo _t('install.conf'); ?></a></li>
		<li class="item<?php echo STEP == 3 ? ' active' : ''; ?>"><a href="?step=3"><?php echo _t('install.bdd.conf'); ?></a></li>
		<li class="item<?php echo STEP == 4 ? ' active' : ''; ?>"><a href="?step=4"><?php echo _t('install.this_is_the_end'); ?></a></li>
	</ul>

	<div class="post">
		<?php
		switch (STEP) {
		case 0:
		default:
			printStep0();
			break;
		case 1:
			printStep1();
			break;
		case 2:
			printStep2();
			break;
		case 3:
			printStep3();
			break;
		case 4:
			printStep4();
			break;
		case 5:
			printStep5();
			break;
		}
		?>
	</div>
</div>
	</body>
</html>