class Dashboard {

	public function __construct() {
		/**
		 * Load Select 2
		 */
		add_filter( 'dozent_load_select2', [ $this, 'load_select2' ] );

		add_action( 'wp_ajax_dozent_dashboard_sidebar_toggle', [ $this, 'dozent_dashboard_sidebar_toggle' ] );

		add_filter( 'document_title_parts', [ $this, 'change_document_title' ] );

		//Filter dashboard menu items
		add_filter( 'dozent/dashboard/permalinks', [ $this, 'dashboard_permalinks' ] );

	}

	public function load_select2( $bool ){
		$page = dozent_get_dashboard_url_segment();

		if ( $page === 'my-courses/create-course' ){
			return true;
		}

		return $bool;
	}

	/**
	 * Dashboard Sidebar On Off Toggle
	 *
	 * @since DozentLMS 1.0.0
	 */
	public function dozent_dashboard_sidebar_toggle() {
		$status = dozent_input_text( 'status' );
		dozent_user_data()->update( 'dashboard_sidebar_status', $status );
	}

	/**
	 * Set document title for dashboard page
	 *
	 * @since DozentLMS 1.0.0
	 *
	 *
	 * @param $title
	 *
	 * @return mixed
	 */

	function change_document_title( $title ) {

		if ( is_dozent_dashboard() ) {
			$dashboard_links = dozent_dashboard_permalinks();
			$links_key_value = array_column( call_user_func_array( 'array_merge', $dashboard_links ), 'title', 'id' );

			$segment    = dozent_get_dashboard_url_segment();

			if ( strpos( $segment, '/' ) !== false ) {
				$segment = explode( '/', $segment );
				$segment = dozent_array_get( 0, $segment );
			}

			$link_title = dozent_array_get( $segment, $links_key_value );

			if ( $link_title && isset( $title['title'] ) ) {
				$title['title'] = $link_title;
			}
		}

		return $title;
	}

	public function dashboard_permalinks( $permalinks ) {
		if ( dozent_count( $permalinks ) ) {
			foreach ( $permalinks as $group_key => $menu_group ) {

				$enable_dozent_earning = (bool) dozent_get_option( 'enable_dozent_earning' );
				if ( ! $enable_dozent_earning ) {
					if ( ! empty( $permalinks[ $group_key ]['earning'] ) ) {
						unset( $permalinks[ $group_key ]['earning'] );
					}

					if ( ! empty( $permalinks[ $group_key ]['withdraw'] ) ) {
						unset( $permalinks[ $group_key ]['withdraw'] );
					}
				}
			}
		}

		return $permalinks;
	}

}