<?php
/*
* SiteSEO
* https://siteseo.io/
* (c) SiteSEO Team <[email protected]>
*/

/*
Copyright 2016 - 2024 - Benjamin Denis  (email : [email protected])
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

defined('ABSPATH') or exit('Please don&rsquo;t call the plugin directly. Thanks :)');

//XML

//Headers
if (function_exists('siteseo_sitemaps_headers')) {
	siteseo_sitemaps_headers();
}

//WPML
add_filter('wpml_get_home_url', 'siteseo_remove_wpml_home_url_filter', 20, 5);

add_filter('siteseo_sitemaps_single_term_query', function ($args) {
	global $sitepress, $sitepress_settings;

	$sitepress_settings['auto_adjust_ids'] = 0;
	remove_filter('terms_clauses', [$sitepress, 'terms_clauses']);
	remove_filter('category_link', [$sitepress, 'category_link_adjust_id'], 1);

	return $args;
});

add_filter('siteseo_sitemaps_term_single_url', function($url, $term) {
	//Exclude custom canonical from sitemaps
	if (get_term_meta($term->term_id, '_siteseo_robots_canonical', true) && get_term_link( $term->term_id ) !== get_term_meta($term->term_id, '_siteseo_robots_canonical', true)) {
		return null;
	}

	//Exclude noindex
	if (get_term_meta($term->term_id, '_siteseo_robots_index', true)) {
		return null;
	}

	//Exclude hidden languages
	//@credits WPML compatibility team
	if (function_exists('icl_object_id') && defined('ICL_SITEPRESS_VERSION')) { //WPML
		global $sitepress, $sitepress_settings;

		// Check that at least ID is set in post object.
		if ( ! isset( $term->term_id ) ) {
			return $url;
		}

		// Get list of hidden languages.
		$hidden_languages = $sitepress->get_setting( 'hidden_languages', array() );

		// If there are no hidden languages return original URL.
		if ( empty( $hidden_languages ) ) {
			return $url;
		}

		// Get language information for post.
		$language_info = $sitepress->term_translations()->get_element_lang_code( $term->term_id );

		// If language code is one of the hidden languages return null to skip the post.
		if ( in_array( $language_info, $hidden_languages, true ) ) {
			return null;
		}
	}

	return $url;
}, 10, 2);

// Polylang: remove hidden languages
function siteseo_pll_exclude_hidden_lang($args) {
	if (function_exists('get_languages_list') && is_plugin_active('polylang/polylang.php') || is_plugin_active('polylang-pro/polylang.php')) {
		$languages = PLL()->model->get_languages_list();
		if ( wp_list_filter( $languages, array( 'active' => false ) ) ) {
			$args['lang'] = wp_list_pluck( wp_list_filter( $languages, array( 'active' => false ), 'NOT' ), 'slug' );
		}
	}
	return $args;
}

function siteseo_xml_sitemap_single_term() {
	if ('' !== get_query_var('siteseo_cpt')) {
		$path = get_query_var('siteseo_cpt');
	}

	remove_all_filters('pre_get_posts');

	$offset = !empty($_SERVER['REQUEST_URI']) ? basename(parse_url(sanitize_text_field(wp_unslash($_SERVER['REQUEST_URI'])), PHP_URL_PATH), '.xml') : '';
	$offset = preg_match_all('/\d+/', $offset, $matches);
	$offset = end($matches[0]);

	//Max posts per paginated sitemap
	$max = 1000;
	$max = apply_filters('siteseo_sitemaps_max_terms_per_sitemap', $max);

	if (isset($offset) && absint($offset) && '' != $offset && 0 != $offset) {
		$offset = (($offset - 1) * $max);
	} else {
		$offset = 0;
	}

	$home_url = home_url() . '/';

	if (function_exists('pll_home_url')) {
		$home_url = site_url() . '/';
	}

	$home_url = apply_filters('siteseo_sitemaps_home_url', $home_url);

	$siteseo_sitemaps = '<?xml version="1.0" encoding="UTF-8"?>';
	$siteseo_sitemaps .= '<?xml-stylesheet type="text/xsl" href="' . esc_url($home_url) . 'sitemaps_xsl.xsl"?>';
	$siteseo_sitemaps .= "\n";
	$siteseo_sitemaps .= apply_filters('siteseo_sitemaps_urlset', '<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">');

	$args = [
		'taxonomy'   => $path,
		'offset'	 => $offset,
		'hide_empty' => false,
		'number'	 => 1000,
		//'fields'	 => 'ids',
		'lang'	   => '',
	];

	$args = siteseo_pll_exclude_hidden_lang($args);

	$args = apply_filters('siteseo_sitemaps_single_term_query', $args, $path);

	$termslist = new WP_Term_Query($args);

	if (is_array($termslist->terms) && ! empty($termslist->terms)) {
		foreach ($termslist->terms as $term) {
			$siteseo_sitemaps_url = '';
			// array with all the information needed for a sitemap url
			$siteseo_url = [
				'loc'	=> urldecode(get_term_link($term)),
				'mod'	=> '',
				'images' => [],
			];

			$siteseo_url = apply_filters( 'siteseo_sitemaps_term_single_url', $siteseo_url, $term );

			if (!empty($siteseo_url['loc'])) {
				$siteseo_sitemaps_url .= "\n";
				$siteseo_sitemaps_url .= '<url>';
				$siteseo_sitemaps_url .= "\n";
				$siteseo_sitemaps_url .= '<loc>';
				$siteseo_sitemaps_url .= esc_url($siteseo_url['loc']);
				$siteseo_sitemaps_url .= '</loc>';
				$siteseo_sitemaps_url .= "\n";
				$siteseo_sitemaps_url .= '</url>';

				$siteseo_sitemaps .= apply_filters('siteseo_sitemaps_url', $siteseo_sitemaps_url, $siteseo_url);
			}
		}
	}
	$siteseo_sitemaps .= '</urlset>';
	$siteseo_sitemaps .= "\n";

	$siteseo_sitemaps = apply_filters('siteseo_sitemaps_xml_single_term', $siteseo_sitemaps);

	return $siteseo_sitemaps;
}
echo siteseo_xml_sitemap_single_term(); //phpcs:ignore