<?php
$mode = $_GET['mode'];

$config['_metatags'] = (array) $_meta;
$config['_metatags']['page'] = isset($page) && $page > 1 ? _t(' - Page %page', array('%page' => (int) $page)) : '';

$langs = array();
if (isset($currentLang) && $currentLang != $config['default_language']) {
    $langs[$currentLang] = $currentLang;
    $config['_metatags'] += array(
        'default_header_title' => $config["default_header_title__{$currentLang}"],
        'default_meta_title' => $config["default_meta_title__{$currentLang}"],
        'default_meta_description' => $config["default_meta_description__{$currentLang}"],
        'default_meta_keywords' => $config["default_meta_keywords__{$currentLang}"],
        'default_meta_robots' => $config["default_meta_robots__{$currentLang}"],
        'sitename' => (isset($config["sitename__{$currentLang}"]) && $config["sitename__{$currentLang}"] != "") ? $config["sitename__{$currentLang}"] : $config['sitename'],
    );
} else {
    $config['_metatags'] += array(
        'default_header_title' => $config['default_header_title'],
        'default_meta_title' => $config['default_meta_title'],
        'default_meta_description' => $config['default_meta_description'],
        'default_meta_keywords' => $config['default_meta_keywords'],
        'default_meta_robots' => $config['default_meta_robots'],
        'sitename' => $config['sitename'],
    );
	$langs[$config['default_language']] = $config['default_language'];
}

$metatags = dbRow("SELECT * FROM `metatags` WHERE `controller` = '" . mysqli_real_escape_string($dbconn, $thisController) . "' AND `mode` = '" . ($mode != "" ? mysqli_real_escape_string($dbconn, $mode) : ($thisController === 'index' ? 'default' : '')) . "' AND `language` IN ('" . implode("','", $langs) . "') ORDER BY FIELD(`language`, '" . implode("','", $langs) . "')", false);
if (!is_array($metatags)) {
    $metatags_core = dbRow("SELECT * FROM `metatags` WHERE `controller` = '" . mysqli_real_escape_string($dbconn, $thisController) . "' AND `mode` = '" . ($mode != "" ? mysqli_real_escape_string($dbconn, $mode) : ($thisController === 'index' ? 'default' : '')) . "' AND `language` = '" . $config['core_language'] . "'", false);
    if (is_array($metatags_core)) {
        unset($metatags_core['record_num']);
        $metatags_core['language'] = $currentLang;
        $metatags = dbInsert('metatags', $metatags_core, true, false, array(), array(), true);
    } else {
        $metatags = dbInsert('metatags', array(
            'controller' => $thisController,
            'mode' => $mode,
            'header_title' => '{{TITLE}}',
            'meta_title' => '{{SITENAME}}',
            'meta_description' => '{{DESCRIPTION}}',
            'meta_keywords' => '{{KEYWORDS}}',
            'language' => $currentLang != "" ? strtoupper($currentLang) : strtoupper($config['default_language']),
        ), true, false, array(), array(), true);
    }
}

$langSelect = '';
$langJoin = '';
$langWhere = '';

/* Override certain metatags for specific index modes */
if ($thisController === 'index') {
    switch ($mode) {
        case 'search':
            $config['_metatags']['search_string'] = htmlentities(str_replace('-', ' ', strip_tags(filter_var($_GET['q'], FILTER_SANITIZE_STRING))), ENT_QUOTES, 'UTF-8');
            break;
        case 'channel':
            $langData = array();
            if ($currentLang) {
                $langSelect = ", `niches_languages`.`data`";
                $langJoin = "LEFT JOIN `niches_languages` ON `niches_languages`.`niche` = `niches`.`record_num` AND `niches_languages`.`language` = '$currentLang'";
                $langWhere = "";
            }
			$_channel = dbRow("SELECT `niches`.`name`, `niches`.`metatitle`, `niches`.`paysite`, IF(`niches`.`metaheader` = '', `niches`.`name`, `niches`.`metaheader`) AS `metaheader`, `niches`.`metakw`, `niches`.`metadesc`, `niches`.`description` $langSelect FROM `niches` $langJoin WHERE `niches`.`record_num` = '" . (int)$_GET['channel'] . "' $langWhere", true, 300);
            if ($currentLang) {
                $langData = unserialize($_channel['data']);
            }
			
            $config['_metatags']['title'] = $config['_metatags']['channel_title'] = htmlentities(ucwords($langData['metatitle'] != "" ? $langData['metatitle'] : $_channel['metatitle']), ENT_QUOTES, 'UTF-8');
			
            $config['_metatags']['channel_name'] = htmlentities(ucwords($langData['metaheader'] != "" ? $langData['metaheader'] : $_channel['metaheader']), ENT_QUOTES, 'UTF-8');
            $config['_metatags']['description'] = truncate($langData['metadesc'] != "" ? $langData['metadesc'] : $_channel['metadesc'], 156);
			$config['_metatags']['catdesc'] = $langData['description'] != "" ? $langData['description'] : $_channel['description'];
            $config['_metatags']['keywords'] = $langData['metakw'] != "" ? $langData['metakw'] : $_channel['metakw'];
			$channel_name = $_channel['name']; 
			
            break;
        case 'paysites':
            $langData = array();
            if ($currentLang) {
                $langSelect = ", `paysites_languages`.`data`";
                $langJoin = "LEFT JOIN `paysites_languages` ON `paysites_languages`.`paysite` = `paysites`.`record_num` AND `paysites_languages`.`language` = '$currentLang'";
                $langWhere = "";
            }
            $_paysite = dbRow("SELECT `paysites`.`name`, `paysites`.`description` $langSelect FROM `paysites` $langJoin WHERE `paysites`.`record_num` = '" . (int)$_GET['paysite'] . "' $langWhere", true, 300);
            if ($currentLang) {
                $langData = unserialize($_paysite['data']);
            }
			$name = $_paysite['name']; 
			$config['_metatags']['name'] = $_paysite['name'];
            $config['_metatags']['title'] = $config['_metatags']['paysite_title'] = htmlentities(ucwords($langData['metatitle'] != "" ? $langData['metatitle'] : $_paysite['name']), ENT_QUOTES, 'UTF-8');
            $config['_metatags']['paysite_name'] = htmlentities(ucwords($langData['metaheader'] != "" ? $langData['metaheader'] : $_paysite['name']), ENT_QUOTES, 'UTF-8');
            $config['_metatags']['description'] = truncate($langData['metadesc'] != "" ? $langData['metadesc'] : $_paysite['description'], 156);
            $config['_metatags']['keywords'] = $langData['metakw'] != "" ? $langData['metakw'] : '';
            break;
        case 'uploads-by-user':
            $_user = dbRow("SELECT `username` FROM `users` WHERE `record_num` = '" . (int)$_GET['user'] . "'", true, 300);
            $config['_metatags']['user_name'] = htmlentities(ucwords($_user['username']), ENT_QUOTES, 'UTF-8');
            break;
    }
}

$config['_metatags']['description'] = htmlentities(truncate(trim($config['_metatags']['description'] . ' ' . $config['_metatags']['meta_description']), 156), ENT_QUOTES, 'UTF-8');
if ($config['_metatags']['description'] == '') {
    $config['_metatags']['description'] = htmlentities($config['_metatags']['default_meta_description'], ENT_QUOTES, 'UTF-8');
}
$config['_metatags']['keywords'] = htmlentities(truncate(trim($config['_metatags']['keywords'] . ' ' . $config['_metatags']['meta_keywords']), 156), ENT_QUOTES, 'UTF-8');
if ($config['_metatags']['keywords'] == '') {
    $config['_metatags']['keywords'] = htmlentities($config['_metatags']['default_meta_keywords'], ENT_QUOTES, 'UTF-8');
}

$replacement = array();
foreach ($config['_metatags'] as $metatag_key => $metatag_value) {
    $replacement['{{' . strtoupper($metatag_key) . '}}'] = $metatag_value;
}

if (is_array($metatags)) {
    foreach ($metatags as &$meta) {
        $meta = strtr($meta, $replacement);
    }
    $title = $metatags['meta_title'];
    $headertitle = $metatags['header_title'];
    $metadescription = $metatags['meta_description'];
    $metakeywords = $metatags['meta_keywords'];
    $metarobots = $metatags['robots'] ? $metatags['robots'] : $config['default_meta_robots'];
} else {
    $title = $config['default_meta_title'];
    $headertitle = $config['default_header_title'];
    $metadescription = $config['default_meta_description'];
    $metakeywords = $config['default_meta_keywords'];
    $metarobots = $config['default_meta_robots'];
}