<?php


namespace Jet_Engine\Dashboard;


class Tab_Manager {

	private $_tabs = array();
	public static $instance;

	public static function instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	private function __construct() {
		$this->register_tabs();
		$this->register_manager_js();
	}

	public function register_tabs() {
		$tabs = apply_filters( 'jet-engine/dashboard/register-tabs', array() );

		foreach ( $tabs as $tab ) {
			$this->register_tab( $tab );
		}
	}

	public function register_tab( Base_Tab $tab ) {
		if ( ! $tab->condition() ) {
			return;
		}

		$this->_tabs[ $tab->slug() ] = $tab;

		add_action( 'jet-engine/dashboard/tabs', array( $tab, 'render_tab' ), 99 );
		add_action( 'jet-engine/dashboard/assets', array( $tab, 'render_assets' ) );
		add_filter( 'jet-engine/dashboard/config', function ( $config ) use ( $tab ) {
			$tab_config = $tab->load_config();
			if ( empty( $tab_config ) ) {
				return $config;
			}
			$config["_config__{$tab->slug()}"] = $tab_config;

			return $config;
		} );
	}

	public function register_manager_js() {
		if ( empty( $this->_tabs ) ) {
			return;
		}

		add_action( 'jet-engine/dashboard/assets', function () {
			wp_enqueue_script(
				'jet-engine-tab-manager',
				jet_engine()->plugin_url( 'assets/js/admin/dashboard/tab-manager.bundle.js' ),
				array( 'cx-vue-ui' ),
				jet_engine()->get_version(),
				true
			);
		}, 999 );
	}

}