<?php
if ( !defined( 'ABSPATH' ) ) exit;

/* qTranslate-X Hooks */

/**
 * locale for current language and set it on PHP.
 */
function qtranxf_localeForCurrentLanguage($locale){
	static $locale_lang;//cache
	if(!empty($locale_lang)) return $locale_lang;
	global $q_config;
	$lang = $q_config['language'];
	$locale_lang = $q_config['locale'][$lang];

	// submit a few possible locales
	$lc = array();
	$lc[] = $locale_lang.'.utf8';
	$lc[] = $locale_lang.'@euro';
	$lc[] = $locale_lang;
	$windows_locale = qtranxf_default_windows_locale();
	if(isset($windows_locale[$lang])) $lc[] = $windows_locale[$lang];
	$lc[] = $lang;

	// return the correct locale and most importantly set it (wordpress doesn't, which is bad)
	// only set LC_TIME as everything else doesn't seem to work with windows
	$loc = setlocale(LC_TIME, $lc);
	if(!$loc){
		$lc2 = array();
		if(strlen($locale_lang) == 2){
			$lc2[] = $locale_lang.'_'.strtoupper($locale_lang);
			$loc = $locale_lang.'_'.strtoupper($lang); if(!in_array($loc,$lc2)) $lc2[] = $loc;
		}
		$loc = $lang.'_'.strtoupper($lang); if(!in_array($loc,$lc2)) $lc2[] = $loc;
		$loc = setlocale(LC_TIME, $lc2);
		//if(!$loc) qtranxf_error_log(sprintf('Could not set locale with setlocale(LC_TIME, %s).', json_encode(array_merge($lc, $lc2))));
	}
	//qtranxf_dbg_log('qtranxf_localeForCurrentLanguage: $locale='.$locale.'; return: '.$locale_lang.'; Set to ', $loc);
	return $locale_lang;
}

//add_action('after_setup_theme', 'qtranxf_after_theme_setup');
//function qtranxf_after_theme_setup(){
//	global $q_config;
//	$locale = get_locale();
//qtranxf_dbg_log('after_setup_theme: $q_config[language]: ',$q_config['language']);
//qtranxf_dbg_log('after_setup_theme: $locale: ',$locale);
//	//load_theme_textdomain('my_theme', get_template_directory() . '/languages');
//}

function qtranxf_useCurrentLanguageIfNotFoundShowEmpty($content) {
	global $q_config;
	return qtranxf_use($q_config['language'], $content, false, true);
}

function qtranxf_useCurrentLanguageIfNotFoundShowAvailable($content) {
	global $q_config;
	return qtranxf_use($q_config['language'], $content, true, false);
}

function qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage($content) {
	global $q_config;
	return qtranxf_use($q_config['language'], $content, false, false);
}

function qtranxf_useDefaultLanguage($content) {
	global $q_config;
	return qtranxf_use($q_config['default_language'], $content, false, false);
}

function qtranxf_versionLocale() {
	return 'en_US';
}

function qtranxf_useRawTitle($title, $raw_title = '', $context = 'save') {
	switch($context) {
		case 'save':{
			if(empty($raw_title)) $raw_title = $title;
			$raw_title = qtranxf_useDefaultLanguage($raw_title);
			$title = remove_accents($raw_title);
		} break;
		default: break;
	}
	return $title;
}

//function qtranxf_gettext($translated_text, $text, $domain) {
function qtranxf_gettext($translated_text) {
	//same as qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage
	global $q_config;
	//if(!isset($q_config['language'])){
	//	//qtranxf_dbg_log('$q_config[language] is not set:',debug_backtrace());
	//	return $translated_text;
	//}
	return qtranxf_use($q_config['language'], $translated_text, false);
}

//function qtranxf_gettext_with_context($translated_text, $text, $context, $domain) {
function qtranxf_gettext_with_context($translated_text) {
	//same as qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage
	global $q_config;
	//if(!isset($q_config['language'])){
	//	//qtranxf_dbg_log('$q_config[language] is not set:',debug_backtrace());
	//	return $translated_text;
	//}
	return qtranxf_use($q_config['language'], $translated_text, false);
}

//function qtranxf_ngettext($translation, $single, $plural, $number, $domain) {
function qtranxf_ngettext($translated_text) {
	//same as qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage
	global $q_config;
	return qtranxf_use($q_config['language'], $translated_text, false);
}

/* function qtranxf_template_redirect() {
	//qtranxf_dbg_log('"template_redirect": qtranxf_template_redirect: REQUEST_TIME_FLOAT: ', $_SERVER['REQUEST_TIME_FLOAT']);
}
add_action('template_redirect','qtranxf_template_redirect');
*/
/* //'get_search_form' no longer needed since we adjusted home_url()
function qtranxf_fixSearchForm($form) {
	$form = preg_replace('#action="[^"]*"#','action="'.trailingslashit(qtranxf_convertURL(get_home_url())).'"',$form);
	return $form;
}
add_filter('get_search_form', 'qtranxf_fixSearchForm', 10, 1);
*/
/* // action 'wp' fires at front-end only
function qtranxf_on_wp()
{
	//qtranxf_dbg_log('qtranxf_on_wp:');
}
add_action( 'wp', 'qtranxf_on_wp');
*/
/*
function qtranxf_on_posts_selection($selection)
{
	//qtranxf_dbg_log('qtranxf_on_posts_selection:', $selection);
}
add_action( 'posts_selection', 'qtranxf_on_posts_selection');
*/

// Hooks for Plugin compatibility
/* //no need any more since $_SERVER['REQUEST_URI'] is no longer modified.
function qtranxf_supercache_dir($uri) {
	global $q_config;
	if(isset($q_config['url_info']['original_url'])) {
		$uri = $q_config['url_info']['original_url'];
	} else {
		$uri = $_SERVER['REQUEST_URI'];
	}
	$uri = preg_replace('/[ <>\'\"\r\n\t\(\)]/', '', str_replace( '/index.php', '/', str_replace( '..', '', preg_replace("/(\?.*)?$/", '', $uri ) ) ) );
	$uri = str_replace( '\\', '', $uri );
	$uri = strtolower(preg_replace('/:.*$/', '',  $_SERVER["HTTP_HOST"])) . $uri; // To avoid XSS attacks
	return $uri;
}
add_filter('supercache_dir', 'qtranxf_supercache_dir',0);
*/
/* //it was a test
function qtranxf_wpseo_replacements($replacements){
	foreach($replacements as $key => $s) {
		$replacements[$key]=__($s);
	}
	return $replacements;
}
*/

// Hooks defined differently in admin and frontend
add_filter( 'wp_trim_words', 'qtranxf_trim_words', 0, 4);


// Hooks (Actions)
/* // obsolete from qTranslate
add_action('category_edit_form', 'qtranxf_modifyTermFormFor');
//add_action('post_tag_edit_form', 'qtranxf_modifyTermFormFor');
add_action('link_category_edit_form', 'qtranxf_modifyTermFormFor');
add_action('category_add_form', 'qtranxf_modifyTermFormFor');
add_action('post_tag_add_form', 'qtranxf_modifyTermFormFor');
add_action('link_category_add_form', 'qtranxf_modifyTermFormFor');
*/
add_action('widgets_init', 'qtranxf_widget_init');


// Hooks (execution time critical filters)

/* // since 3.2.9.9.4 gettext* filters moved to frontend.php
	//they should not be needed on admin side and they, in particular, broke WPBakery Visual Composer in raw Editor Mode.
//add_filter('gettext', 'qtranxf_gettext',0);
//add_filter('gettext_with_context', 'qtranxf_gettext_with_context',0);
*/

//function qtranxf_blogname($nm)
//{
//	//qtranxf_dbg_log(!empty($_POST),'qtranxf_blogname: $nm: ',$nm);
//	return qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage($nm);
//}
//add_filter('option_blogname', 'qtranxf_blogname',5);

add_filter('sanitize_title', 'qtranxf_useRawTitle',0, 3);

add_filter('comment_moderation_subject', 'qtranxf_useDefaultLanguage',0);
add_filter('comment_moderation_text', 'qtranxf_useDefaultLanguage',0);

//add_filter('the_content', 'qtranxf_useCurrentLanguageIfNotFoundShowAvailable', 0);
add_filter('the_content', 'qtranxf_useCurrentLanguageIfNotFoundShowAvailable', 100);// since 3.1 changed priority from 0 to 100, since other plugins, like https://wordpress.org/plugins/siteorigin-panels generate additional content, which also needs to be translated.
add_filter('the_excerpt', 'qtranxf_useCurrentLanguageIfNotFoundShowAvailable', 0);
add_filter('the_excerpt_rss', 'qtranxf_useCurrentLanguageIfNotFoundShowAvailable', 0);

add_filter('get_comment_date', 'qtranxf_dateFromCommentForCurrentLanguage',0,3);
add_filter('get_comment_time', 'qtranxf_timeFromCommentForCurrentLanguage',0,5);
add_filter('get_post_modified_time', 'qtranxf_timeModifiedFromPostForCurrentLanguage',0,3);
add_filter('get_the_time', 'qtranxf_timeFromPostForCurrentLanguage',0,3);
add_filter('get_the_date', 'qtranxf_dateFromPostForCurrentLanguage',0,3);
add_filter('get_the_modified_date', 'qtranxf_dateModifiedFromPostForCurrentLanguage',0,2);

add_filter('locale', 'qtranxf_localeForCurrentLanguage',99);
add_filter('core_version_check_locale', 'qtranxf_versionLocale');

//add_filter('the_title', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);//WP: fires for display purposes only
add_filter('post_title', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);
add_filter('tag_rows', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
//add_filter('list_cats', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('wp_list_categories', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
//add_filter('wp_dropdown_cats', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('wp_title', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('single_post_title', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('bloginfo', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('get_others_drafts', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('get_bloginfo_rss', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('get_wp_title_rss', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('wp_title_rss', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('the_title_rss', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('the_content_rss', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('get_pages', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
//add_filter('category_description', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('bloginfo_rss', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('the_category_rss', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
//add_filter('wp_generate_tag_cloud', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('term_links-post_tag', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('link_name', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('link_description', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
add_filter('the_author', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);

add_filter('comment_notification_text', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage');
add_filter('comment_notification_headers', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage');
add_filter('comment_notification_subject', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage');

add_filter('pre_option_rss_language', 'qtranxf_getLanguage',0);

add_filter('_wp_post_revision_field_post_title', 'qtranxf_showAllSeparated', 0);
add_filter('_wp_post_revision_field_post_content', 'qtranxf_showAllSeparated', 0);
add_filter('_wp_post_revision_field_post_excerpt', 'qtranxf_showAllSeparated', 0);

/* moved to i18n-config.json for front-end only
// Hooks (execution time non-critical filters) 
//add_filter('author_feed_link', 'qtranxf_convertURL');
//add_filter('author_link', 'qtranxf_convertURL');
//add_filter('day_link', 'qtranxf_convertURL');
//add_filter('get_comment_author_url_link', 'qtranxf_convertURL');
//add_filter('month_link', 'qtranxf_convertURL');
//add_filter('page_link', 'qtranxf_convertURL');
//add_filter('post_link', 'qtranxf_convertURL');
//add_filter('year_link', 'qtranxf_convertURL');
//add_filter('category_feed_link', 'qtranxf_convertURL');
//add_filter('category_link', 'qtranxf_convertURL');
//add_filter('tag_link', 'qtranxf_convertURL');
//add_filter('term_link', 'qtranxf_convertURL');
//add_filter('the_permalink', 'qtranxf_convertURL');
//add_filter('feed_link', 'qtranxf_convertURL');
//add_filter('post_comments_feed_link', 'qtranxf_convertURL');
//add_filter('tag_feed_link', 'qtranxf_convertURL');
*/