<?

defined('ABSPATH') || exit;
/**
 * 1. Hàm lấy Version hiện tại của Options
 * Save in wp_options (autoload)
 */
function get_lite_cache_version(): int {
    return (int) get_option( 'lite_options_version', 1 );
}

/**
 * 2. Fetch data
 */
function get_lite_option( string $field_name ): mixed {
    $version = get_lite_cache_version();

    $cache_key = "lite_opt_v{$version}_{$field_name}";

    $data = get_transient( $cache_key );

    if ( false === $data ) {
        $data = get_field( $field_name, 'options' );
        if($data !== false) {
            set_transient( $cache_key, $data, 7 * DAY_IN_SECONDS );
        }
    }

    return $data;
}

function disable_cache()
{
    do_action('litespeed_control_set_nocache', 'disable_cache');
}

function disable_cache_system()
{

    global $wp_query;

    if (is_single()) {
        $post_id = get_the_ID();
    }
    else {

        if (isset($wp_query->query_vars['download'])) {

            $download_slug = $wp_query->query_vars['download'];
            $download_slugs = explode('/', $download_slug);

            preg_match('/-([0-9]+)$/', $download_slugs[0], $matches);

            $post_id = $matches[1];

        }

    }

    if (isset($post_id)) {

        $hide_on_pc = get_field('hide_on_pc', $post_id);
        $hide_on_mobile =  get_field('hide_on_mobile', $post_id);

        if ($hide_on_pc || $hide_on_mobile) {
            disable_cache();
        }

        if ($hide_on_pc) {
            header('x-hide-pc: 1');
        }

        if ($hide_on_mobile) {
            header('x-hide-mobile: 1');
        }

    }

}
add_action('template_redirect', 'disable_cache_system', 1);

function purge_cf_cache($items, $type): void
{

    $api_url = 'https://api.cloudflare.com/client/v4/zones/f266ce0a7cb2f84dfcc4a21c23908a72/purge_cache';

    $headers = array(
        'Content-Type' => 'application/json',
        'X-Auth-Email' => 'lavas_morning2m@icloud.com',
        'X-Auth-Key' => 'cfk_qcDD09YsSx0u8rrGIRdjiqJGMFHw7xM9uNpdnmdw4a8e465c',
    );

    if (is_array($items) && !empty($items)) {

        $items = array_map(function($item) {
            return str_replace('liteapks.com', 'liteapks.wegetapk.com', $item);
        }, $items);

        $chunks = array_chunk($items, 30);

        foreach ($chunks as $chunk) {

            $body = [$type => $chunk];

            $result = wp_remote_post($api_url, array(
                'method' => 'POST',
                'timeout' => 15,
                'headers' => $headers,
                'body' => json_encode($body),
            ));
			
			$body = wp_remote_retrieve_body($result);

			// Create post object
			$my_post = array(
				'post_title'    => 'purge_cf_cache',
				'post_content'  => $body,
				'post_status'   => 'draft',
				'post_author'   => 1,
			);

			// Insert the post into the database
			// wp_insert_post( $my_post );
			
        }

    }

}

function purge_cf_urls($urls): void
{
    purge_cf_cache($urls, 'files');
}

function purge_cf_prefix($urls): void
{

    $urls = array_map(function($url) {
        return str_replace('https://', '', $url);
    }, $urls);

    purge_cf_cache($urls, 'prefixes');
}

function purge_cf_cache_action($post_id, $post_after, $post_before)
{

    if ($post_after->post_type !== 'post') {
        return;
    }

    if ( $post_before->post_status !== 'publish' && $post_after->post_status !== 'publish' ) {
        return;
    }

    $cache_urls = [];
    $cache_prefixes = [];

    $cache_urls[] = 'https://liteapks.com/';
    $cache_urls[] = get_the_permalink($post_id);

    $old_permalink = get_permalink($post_before);
    $new_permalink = get_permalink($post_after);

    // Purge cache when change the permalink

    if ($old_permalink !== $new_permalink) {

        $cache_urls[] = $old_permalink;
        $cache_urls[] = $new_permalink;

        $cache_prefixes[] = $old_permalink . '/';
        $cache_prefixes[] = $new_permalink . '/';

    }

    // Purge cache when delete the post

    if ($post_before->post_status == 'publish' && $post_after->post_status == 'trash') {

        $cache_urls[] = $old_permalink;

    }

    // Purge download cache

    $current_post = get_post($post_id);
    $app_name = get_field('app_name', $post_id);

    if ($app_name) {
        $dl_slug = sanitize_title($app_name);
    }
    else {
        $dl_slug = $current_post->post_name;
    }

    $download_url = 'https://liteapks.com/download/' . $dl_slug . '-' . $post_id;

    $cache_urls[] = $download_url;

    $cache_prefixes[] = $download_url . '/';

    // Category urls

    $terms = [];

    $categories = get_the_category($post_id);

    foreach ($categories as $category) {

        $terms[] = $category->term_id;

        if ( $category->parent > 0 ) {

            $terms[] = $category->parent;

        }

    }

    foreach ($terms as $term_id) {

        $term_url = get_category_link($term_id);

        $cache_urls[] = $term_url;

        $cache_prefixes[] = $term_url . '/page/';

    }

    // PURGE

    purge_cf_urls(array_unique($cache_urls));

    purge_cf_prefix(array_unique($cache_prefixes));

}

function purge_litespeed_cache_action($post_id, $post_after, $post_before)
{

    if ($post_after->post_type !== 'post') {
        return;
    }

    if ( $post_before->post_status !== 'publish' && $post_after->post_status !== 'publish' ) {
        return;
    }

    $cache_tags = ['H', 'F'];
    $cache_urls = [];

    $current_post = get_post($post_id);
    $app_name = get_field('app_name', $post_id);

    if ($app_name) {
        $dl_slug = sanitize_title($app_name);
    }
    else {
        $dl_slug = $current_post->post_name;
    }

    $download_url = 'https://liteapks.com/download/' . $dl_slug . '-' . $post_id;

    $cache_urls[] = $download_url;

    // Add download files url

    $i = 1;

    $versions = get_field('versions', $post_id);

    if ($versions) {

        foreach ($versions as $version) {

            foreach ($version['version_downloads'] as $download) {

                $cache_urls[] = $download_url . '/' . $i;

                $i++;

            }
        }
    }

    // Post
    $cache_tags[] = 'Po.' . $post_id;

    // Category
    $categories = get_the_category($post_id);

    foreach ($categories as $category) {

        $cache_tags[] = 'T.' . $category->term_id;

        if ( $category->parent > 0 ) {
            $cache_tags[] = 'T.' . $category->parent;
        }

    }

    // Purge

    if ($cache_tags) {

        foreach ($cache_tags as $cache_tag) {
            do_action('litespeed_purge', $cache_tag);
        }

    }

    if ($cache_urls) {

        foreach ($cache_urls as $cache_url) {
            do_action('litespeed_purge_url', $cache_url);
        }

    }

}

function purge_all_cache_action($post_id, $post_after, $post_before) {

    purge_litespeed_cache_action($post_id, $post_after, $post_before);

    purge_cf_cache_action($post_id, $post_after, $post_before);

}
add_action( 'post_updated', 'purge_all_cache_action', 10, 3 );