class Mfn_Post_Type_Icons extends Mfn_Post_Type
{
    // Declare properties here
    public $path_be;
    public $path_icons;

    /**
     * Mfn_Post_Type_Icons constructor
     */
    public function __construct()
    {
        parent::__construct();

        $upload_dir = wp_upload_dir();
        $this->path_be = wp_normalize_path( $upload_dir['basedir'] . '/betheme' );
        $this->path_icons = wp_normalize_path( $this->path_be . '/icons' );

        add_action( 'init', array($this, 'register' ));
        add_action( 'init', array($this, 'make_dir' ));
        add_action( 'trashed_post', array($this, 'single_post_remove' ));

        if ( is_admin() ) {
            $this->fields = $this->set_fields();
        }

        add_action( 'wp_footer', array($this, 'load_icons'), 1);
        add_action( 'admin_footer', array($this, 'load_icons'), 1);
    }

    /**
     * Set post type fields
     */
    private function set_fields()
    {
        $unique_id = Mfn_Builder_Helper::unique_id();

        return array(
            'id' => 'mfn-meta-icons',
            'title' => esc_html__('Icons Options', 'mfn-opts'),
            'page' => 'icons',
            'fields' => array(
                array(
                    'id' => 'mfn-icon-name',
                    'type' => 'text',
                    'title' => __('Name', 'mfn-opts'),
                    'desc' => 'Must be unique',
                    'std' => "My icon " . $unique_id,
                    'row_class' => 'hidden'
                ),
                array(
                    'id' => 'mfn-icon-prefix',
                    'type' => 'text',
                    'title' => __('Prefix', 'mfn-opts'),
                    'desc' => 'Must be unique',
                    'std' => "ci-" . $unique_id,
                    'row_class' => 'hidden'
                ),
                array(
                    'id' => 'mfn-icon-upload',
                    'type' => 'upload_icon',
                    'title' => __('Icon pack', 'mfn-opts'),
                    'desc' => __('Upload an <a href="https://icomoon.io/app/" target="_blank">Icomoon</a> zip file', 'mfn-opts'),
                    'data' => 'icon'
                ),
            ),
        );
    }

    /**
     * Register new post type and related taxonomy
     */
    public function register()
    {
        $labels = array(
            'name' => esc_html__('Icons', 'mfn-opts'),
            'singular_name' => esc_html__('Icons', 'mfn-opts'),
            'add_new' => esc_html__('Add New', 'mfn-opts'),
            'add_new_item' => esc_html__('Add New Icons', 'mfn-opts'),
            'edit_item' => esc_html__('Edit Icons', 'mfn-opts'),
            'new_item' => esc_html__('New Icons', 'mfn-opts'),
            'view_item' => esc_html__('View Icons', 'mfn-opts'),
            'search_items' => esc_html__('Search Icons', 'mfn-opts'),
            'not_found' => esc_html__('No icons found', 'mfn-opts'),
        );

        $args = array(
            'labels' => $labels,
            'public' => false,
            'show_ui' => true,
            'show_in_menu' => apply_filters('betheme_dynamic_slug', 'betheme'),
            'supports' => array('title'),
        );

        register_post_type('icons', $args);
    }

    /**
     * Directories creation
     */
    public function make_dir()
    {
        if( ! file_exists( $this->path_be ) ){
            wp_mkdir_p( $this->path_be );
        }

        if( ! file_exists( $this->path_icons ) ){
            wp_mkdir_p( $this->path_icons );
        }
    }

    /**
     * While trashing the post, remove the directory of icon
     */
    public function single_post_remove( $post_id )
    {
        if ( 'icons' === get_post_type( $post_id ) ){
            $icon_name = get_post_field( 'mfn-icon-name-parsed', $post_id );
            $src = $this->path_icons.'/'.$icon_name;

            $wp_filesystem = Mfn_Helper::filesystem();
            $wp_filesystem->delete($src, true);

            wp_delete_post($post_id, true);
        }
    }

    /**
     * GET icons
     */
    static function load_icons()
    {
        $css_link_files_string = '';

        $args = array(
            'post_type' => 'icons',
            'post_status' => 'publish',
            'posts_per_page' => '-1',
            'order' => 'ASC'
        );

        $icons_fetched = get_posts($args);

        foreach ( $icons_fetched as $icon ){
            $is_style_available = get_post_field('mfn-icon-upload', $icon->ID);

            if( ! empty( $is_style_available ) ){
                $css_link_files_string .= '<link rel="stylesheet" id="mfn-custom-icons-' .get_post_field( 'mfn-icon-name-parsed', $icon->ID ). '" href="' .get_post_field( 'mfn-icon-url', $icon->ID ). '/style.css" media="all">';
            }
        }

        echo $css_link_files_string;
    }

    /**
     * GET icons list
     */
    static function get_list_of_icons()
    {
        $icon_list = [];

        $args = array(
            'post_type' => 'icons',
            'post_status' => 'publish',
            'posts_per_page' => '-1',
            'order' => 'ASC'
        );

        $icons_fetched = get_posts($args);

        foreach ( $icons_fetched as $icon ){
            $icons_fetched = get_post_field('mfn-icon-titles-array', $icon->ID);

            if( ! empty( $icons_fetched ) ) {
                $icon_list[] = get_post_field('mfn-icon-titles-array', $icon->ID);
            }
        }

        return $icon_list;
    }
}

new Mfn_Post_Type_Icons();