add_action('init', 'flame_custom_post_type');
function flame_custom_post_type()
{
    $labels = array(
        'name' => _x('音频资源', 'post type 名称'),
        'singular_name' => _x('音频', 'post type 单个 item 时的名称，因为英文有复数'),
        'add_new'  => _x('新建音频', '添加新内容的链接名称'),
        'add_new_item' => __('新建音频'),
        'edit_item' => __('编辑音频'),
        'new_item' => __('新音频'),
        'all_items' => __('所有音频'),
        'view_item' => __('查看音频'),
        'search_items' => __('搜索音频'),
        'not_found' => __('没有找到有关音频'),
        'not_found_in_trash' => __('回收站里面没有相关音频'),
        'parent_item_colon' => '',
        'menu_name' => '音频'
    );
    $args   = array(
        'labels' => $labels,
        'description' => '音频信息',
        'public' => true,
        'menu_position' => 5,
        'menu_icon' => 'dashicons-format-audio',
        // 'menu_icon' => get_template_directory_uri() . '/assets/images/icon1.png',
        'supports' => array('title', 'author','editor', 'thumbnail', 'excerpt', 'comments'),
        'has_archive' => true,
        'show_in_rest' => true
    );
    // register_post_type('rt_audio_type', $args);
    register_post_type('audios', $args);
}

add_action('init', 'flame_taxonomies_site', 0);
function flame_taxonomies_site()
{
    $labels = array(
        'name' => _x('音频分类', 'taxonomy 名称'),
        'singular_name' => _x('音频分类', 'taxonomy 单数名称'),
        'search_items' => __('搜索音频分类'),
        'all_items' => __('所有音频分类'),
        'parent_item' => __('该音频分类的上级分类'),
        'parent_item_colon' => __('该音频分类的上级分类：'),
        'edit_item' => __('编辑音频分类'),
        'update_item' => __('更新音频分类'),
        'add_new_item' => __('添加新的音频分类'),
        'new_item_name' => __('新音频分类'),
        'menu_name'  => __('音频分类')
    );
    $args   = array(
        'labels' => $labels,
        'hierarchical' => true,
        'show_in_rest' => true
    );
    register_taxonomy('audios_category', 'audios', $args);
}

add_action('restrict_manage_posts', 'flame_add_admin_filters', 10, 1);
function flame_add_admin_filters($post_type)
{
    if ('audios' !== $post_type) {
        return;
    }
    $taxonomies_slugs = array( // 所有自定义分类
        'audios_category',
        // 'my_other_taxonomy'
    );
    // loop through the taxonomy filters array
    foreach ($taxonomies_slugs as $slug) {
        $taxonomy = get_taxonomy($slug);
        $selected = '';
        // if the current page is already filtered, get the selected term slug
        $selected = isset($_REQUEST[$slug]) ? $_REQUEST[$slug] : '';
        // render a dropdown for this taxonomy's terms
        wp_dropdown_categories(array(
            'show_option_all' =>  $taxonomy->labels->all_items,
            'taxonomy'        =>  $slug,
            'name'            =>  $slug,
            'orderby'         =>  'name',
            'value_field'     =>  'slug',
            'selected'        =>  $selected,
            'hierarchical'    =>  true,
        ));
    }
}

add_filter('post_type_link', 'custom_type_link', 1, 3);
function custom_type_link($link, $post = 0)
{
    if ($post->post_type == 'audios') {
        return home_url('archives/audios/' . $post->ID . '.html');
    } else {
        return $link;
    }
}

add_action('init', 'custom_type_rewrites_init');
function custom_type_rewrites_init()
{
    add_rewrite_rule('archives/audios/([0-9]+)?.html$', 'index.php?post_type=audios&p=$matches[1]', 'top');
}