<?php

/**
 * Author: wbolt team
 * Author URI: https://www.wbolt.com/
 */

class Smart_SEO_Tool_PostEdit extends Smart_SEO_Tool_Base
{

	public static function cnf($key, $default = null)
	{
		return Smart_SEO_Tool_Admin::cnf($key, $default);
	}

	public static function init()
	{
		if (is_admin()) {
			add_action('add_meta_boxes', array(__CLASS__, 'add_meta_box'));
			add_action('save_post', array(__CLASS__, 'save_post_meta'));
			add_action('admin_head-post.php', array(__CLASS__, 'admin_head'), 9);
			add_action('admin_head-post-new.php', array(__CLASS__, 'admin_head'), 9);
		}

		add_action('edit_post', array(__CLASS__, 'edit_post'), 51, 2);
	}

	public static function admin_head()
	{
		$active = self::cnf('tdk.active', 0);
		if (!$active) {
			return;
		}
		wp_enqueue_style('wbp-admin-style-sst', plugin_dir_url(SMART_SEO_TOOL_BASE_FILE) . 'assets/css/wbp_admin.css', array('wbsst-inline'), SMART_SEO_TOOL_VERSION);
		wp_enqueue_script('wbp-admin-js-sst', plugin_dir_url(SMART_SEO_TOOL_BASE_FILE) . 'assets/js/wb_sst.js', array(), SMART_SEO_TOOL_VERSION, true);
	}

	public static function add_meta_box()
	{
		$active = self::cnf('tdk.active', 0);
		if (!$active) {
			return;
		}

		add_meta_box(
			'wbp_meta_box_sst',
			_x('SEO信息设置', 'meta box title', WB_SST_TD),
			array(__CLASS__, 'render_meta_box'),
			null,
			'advanced',
			'high'
		);
	}

	public static function render_meta_box($post)
	{
		$meta_val = get_post_meta($post->ID, 'wb_sst_seo', true);
		if (!$meta_val || !is_array($meta_val)) {
			$meta_val = array(0 => '', 1 => '', 2 => '');
		}
		$sst_opt                = array();
		$sst_opt['title']       = $meta_val[0];
		$sst_opt['keywords']    = $meta_val[1];
		$sst_opt['description'] = $meta_val[2];

		// $inline_js = 'var wb_sst_opt={opt:' . wp_json_encode($sst_opt) . ', admin_url:"' . admin_url() . '"};';
		// wp_add_inline_script('wbp-admin-js-sst', $inline_js, 'before');
		wp_register_style('wbsst-inline', false, null, false);
		wp_enqueue_style('wbsst-inline');
		$inline_css = ':root{--wbsst-icon: url(' . plugin_dir_url(SMART_SEO_TOOL_BASE_FILE) . 'assets/icon_for_metabox.svg);}';
		wp_add_inline_style('wbsst-inline', $inline_css);

		require_once SMART_SEO_TOOL_PATH . '/tpl/meta_box.tpl.php';
	}

	public static function  array_sanitize_text_field($value)
	{
		if (is_array($value)) {
			foreach ($value as $k => $v) {
				$value[$k] = self::array_sanitize_text_field($v);
			}
			return $value;
		} else {
			return sanitize_text_field($value);
		}
	}

	public static function save_post_meta($post_id)
	{
		if (isset($_POST['wb_sst_seo'])  && is_array($_POST['wb_sst_seo'])) {
			$data = self::array_sanitize_text_field($_POST['wb_sst_seo']);
			update_post_meta($post_id, 'wb_sst_seo', $data);
		}
	}

	public static function edit_post($post_id, $post)
	{
		// global $wpdb;

		$conf = self::cnf('broken');

		if (!$conf['active']) {
			return;
		}
		if (!isset($conf['post_type'])) {
			$conf['post_type'] = array('post');
		}
		if (!isset($conf['post_status'])) {
			$conf['post_status'] = array('publish', 'future', 'pending');
		}
		if (!in_array($post->post_type, $conf['post_type'])) {
			return;
		}
		if (!in_array($post->post_status, $conf['post_status'])) {
			return;
		}
		$db = self::db();
		$t = $db->prefix . 'wb_sst_broken_url';

		$list = $db->get_results($db->prepare("SELECT * FROM $t WHERE post_id=%d", $post->ID));

		if (empty($post->post_content) || !preg_match_all('#<a([^>]+)>(.+?)</a>#is', $post->post_content, $match)) {
			if ($list) {
				$db->query($db->prepare("DELETE FROM $t WHERE post_id=%d AND url_md5 IS NULL", $post->ID));
			} else {
				$d = array(
					'post_id'     => $post->ID,
					'create_date' => current_time('mysql'),
					'memo'        => 'log'
				);
				$db->insert($t, $d);
			}

			return;
		}

		$exists_url = array();
		//empty log add marker
		if (empty($list)) {
			$d = array(
				'post_id'     => $post->ID,
				'create_date' => current_time('mysql'),
				'memo'        => 'log'
			);
			$db->insert($t, $d);
		} else {
			foreach ($list as $k => $v) {
				if (!$v->url) {
					continue;
				}
				$exists_url[$v->url_md5] = $v->id;
			}
		}

		$host            = wp_parse_url(home_url(), PHP_URL_HOST);
		$host_match_rule = array(preg_quote($host));
		if ($conf['exclude']) {
			foreach ($conf['exclude'] as $v) {
				$host_match_rule[] = preg_quote($v);
			}
		}
		if ($host_match_rule) {
			$host_match_rule = implode('|', $host_match_rule);
		}

		$same_url = array();
		foreach ($match[1] as $k => $a_html) {
			if (!preg_match('#href=("|\')(.+?)("|\')#is', $a_html, $a_match)) {
				continue;
			}
			$url = $a_match[2];
			if (!preg_match('#^https?://([^/]+)#is', $url, $host_match)) {
				continue;
			}
			if ($host_match_rule && preg_match('#(' . $host_match_rule . ')#i', $host_match[1])) {
				continue;
			}


			$text = trim(wp_strip_all_tags($match[2][$k]));
			if (!$text && preg_match('#<img#i', $match[1][$k])) {
				$text = 'img';
			}

			$d = array(
				'post_id'     => $post->ID,
				'create_date' => current_time('mysql'),
				'url'         => $url,
				'url_md5'     => md5($url),
				'url_text'    => $text
			);

			if (isset($same_url[$d['url_md5']])) {
				continue;
			}
			$same_url[$d['url_md5']] = 1;


			if ($exists_url && isset($exists_url[$d['url_md5']])) {
				unset($exists_url[$d['url_md5']]);
				continue;
			}

			$db->insert($t, $d);
		}
		if (!empty($exists_url)) {
			$sid = implode(',', $exists_url);
			$db->query("DELETE FROM $t WHERE id IN($sid)");
		}
	}
}