<?php

	defined( 'ABSPATH' ) || exit;

if ( ! class_exists( 'GetWooPlugins_Admin_Menus', false ) ) :

	class GetWooPlugins_Admin_Menus {

		protected static $instance = null;

		protected $settings_pages;

		public function __construct() {
			$this->includes();
			$this->hooks();
			$this->init();
		}

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

			return self::$instance;
		}

		public function includes() {
			// Include settings pages.
			require_once dirname( __FILE__ ) . '/class-getwooplugins-admin-settings.php';
		}

		public function hooks() {
			// Add menus.
			add_action( 'admin_menu', array( $this, 'menu_sort' ), 60 );
			add_action( 'admin_menu', array( $this, 'admin_menu' ), 9 );
			add_action( 'admin_menu', array( $this, 'settings_menu' ), 50 );
			add_filter( 'submenu_file', array( $this, 'update_menu_highlight' ), 99, 2 );

			// Handle saving settings earlier than load-{page} hook to avoid race conditions in conditional menus.
			add_action( 'wp_loaded', array( $this, 'save_settings' ) );

			add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ), 20 );
		}

		public function init() {

		}

		public function get_settings_pages() {

			if ( ! $this->settings_pages ) {
				$this->settings_pages = GetWooPlugins_Admin_Settings::get_settings_pages();
			}

			return $this->settings_pages;
		}

		public function update_menu_highlight( $submenu_file, $parent_file ) {

			$settings_pages = $this->get_settings_pages();

			if ( 'getwooplugins' === $parent_file && ! empty( $settings_pages ) ) {

				$tab = isset( $_GET[ 'tab' ] ) ? sanitize_text_field( wp_unslash( $_GET[ 'tab' ] ) ) : '';

				foreach ( $settings_pages as $index => $page ) {

					if ( 0 === $index && $page->get_id() === $tab ) {
						$submenu_file = 'getwooplugins-settings';
						break;
					}

					if ( $page->get_id() === $tab ) {
						$submenu_file = 'getwooplugins-settings&tab=' . $page->get_id();
						break;
					}
				}
			}

			return $submenu_file;
		}

		public function load_css( $screen_ids ) {

			array_push( $screen_ids, 'getwooplugins_page_getwooplugins-settings' );

			return $screen_ids;
		}

		public function admin_scripts() {
			$screen    = get_current_screen();
			$screen_id = $screen ? $screen->id : '';

			if ( 'getwooplugins_page_getwooplugins-settings' === $screen_id ) {

				wp_enqueue_style( 'woocommerce_admin_styles' );
				wp_enqueue_style( 'jquery-ui-style' );
				wp_enqueue_style( 'wp-color-picker' );
				wp_enqueue_media();

				wp_enqueue_style( 'getwooplugins_settings', untrailingslashit( plugin_dir_url( __FILE__ ) ) . '/css/getwooplugins-settings.css', array(), filemtime( trailingslashit( plugin_dir_path( __FILE__ ) ) . 'css/getwooplugins-settings.css' ) );

				wp_enqueue_script( 'gwp-jquery-tiptip', untrailingslashit( plugin_dir_url( __FILE__ ) ) . '/js/jquery.tipTip.js', array( 'jquery' ), filemtime( trailingslashit( plugin_dir_path( __FILE__ ) ) . 'js/jquery.tipTip.js' ), true );

				wp_enqueue_script( 'gwp-form-field-dependency', untrailingslashit( plugin_dir_url( __FILE__ ) ) . '/js/getwooplugins-form-field-dependency.js', array( 'jquery' ), filemtime( trailingslashit( plugin_dir_path( __FILE__ ) ) . 'js/getwooplugins-form-field-dependency.js' ), true );

				wp_enqueue_script( 'wp-color-picker-alpha', untrailingslashit( plugin_dir_url( __FILE__ ) ) . '/js/wp-color-picker-alpha.js', array(
					'jquery',
					'wp-color-picker'
				), filemtime( trailingslashit( plugin_dir_path( __FILE__ ) ) . 'js/wp-color-picker-alpha.js' ), true );


				$dep = array(
					'jquery',
					'underscore',
					'backbone',
					'wp-util',
					'gwp-jquery-tiptip',
					'iris'
				);

				if ( class_exists( 'WooCommerce' ) ) {
					$dep[] = 'wc-enhanced-select';
				}

				wp_enqueue_script( 'getwooplugins_settings', untrailingslashit( plugin_dir_url( __FILE__ ) ) . '/js/getwooplugins-settings.js', $dep, filemtime( trailingslashit( plugin_dir_path( __FILE__ ) ) . 'js/getwooplugins-settings.js' ), true );

				wp_localize_script( 'getwooplugins_settings', 'getwooplugins_settings_params', array(
					'i18n_nav_warning' => esc_html__( 'The changes you made will be lost if you navigate away from this page.', 'woo-variation-swatches' ),
				) );
			}
		}

		/**
		 * Add menu items.
		 */
		public function admin_menu() {

			$pages = $this->get_settings_pages();

			if ( empty( $pages ) ) {
				return;
			}

			add_menu_page( esc_html__( 'GetWooPlugins Settings', 'woo-variation-swatches' ), esc_html__( 'GetWooPlugins', 'woo-variation-swatches' ), 'edit_theme_options', 'getwooplugins', null, 'dashicons-admin-settings', '45.5' );
		}

		public function get_settings_link( $id, $section = false ) {

			$params = array(
				'page' => 'getwooplugins-settings',
				'tab'  => esc_html( $id )
			);

			if ( $section && is_string( $section ) ) {
				$params[ 'section' ] = $section;
			}

			if ( $section && is_array( $section ) ) {
				$params = wp_parse_args( $params, $section );
			}

			return add_query_arg( $params, admin_url( 'admin.php' ) );
		}

		/**
		 * Add menu item.
		 */
		public function settings_menu() {

			$settings_page = add_submenu_page( 'getwooplugins', esc_html__( 'GetWooPlugins Settings', 'woo-variation-swatches' ), esc_html__( 'Home', 'woo-variation-swatches' ), 'manage_options', 'getwooplugins-settings', array(
				$this,
				'settings_page'
			) );

			$settings_pages = $this->get_settings_pages();

			foreach ( $settings_pages as $page ) {
				add_submenu_page( 'getwooplugins', $page->get_title(), $page->get_menu_name(), 'manage_options', 'getwooplugins-settings&tab=' . $page->get_id(), array(
					$this,
					'settings_page'
				) );
			}

			add_action( 'load-' . $settings_page, array( $this, 'settings_page_init' ) );
		}

		public function settings_page_init() {

			do_action( 'getwooplugins_settings_page_init' );
		}

		/**
		 * Handle saving of settings.
		 *
		 * @return void
		 */
		public function save_settings() {

			global $current_tab, $current_section;

			// We should only save on the settings page.
			if ( ! is_admin() || ! isset( $_GET[ 'page' ] ) || 'getwooplugins-settings' !== $_GET[ 'page' ] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
				return;
			}

			$settings_pages = $this->get_settings_pages();

			if ( empty( $settings_pages ) ) {
				return;
			}

			// Get current tab/section.
			$current_tab     = empty( $_GET[ 'tab' ] ) ? $settings_pages[ 0 ]->get_id() : sanitize_title( wp_unslash( $_GET[ 'tab' ] ) );
			$current_section = empty( $_REQUEST[ 'section' ] ) ? '' : sanitize_title( wp_unslash( $_REQUEST[ 'section' ] ) );
			$current_action  = empty( $_GET[ 'action' ] ) ? '' : sanitize_title( wp_unslash( $_GET[ 'action' ] ) );

			if ( is_admin() && isset( $_GET[ 'page' ] ) && 'getwooplugins-settings' === $_GET[ 'page' ] && ! empty( $current_action ) ) {
				GetWooPlugins_Admin_Settings::action( $current_tab, $current_section, $current_action );
			}

			// Save settings if data has been posted.

			if ( ! empty( $_POST[ 'save' ] ) ) {
				check_admin_referer( 'getwooplugins-settings' );
			}

			if ( '' !== $current_section && apply_filters( "getwooplugins_save_settings_{$current_tab}_{$current_section}", ! empty( $_POST[ 'save' ] ) ) ) {
				GetWooPlugins_Admin_Settings::save();
			} elseif ( '' === $current_section && apply_filters( "getwooplugins_save_settings_{$current_tab}", ! empty( $_POST[ 'save' ] ) ) ) {
				GetWooPlugins_Admin_Settings::save();
			}
		}

		/**
		 * Adds the order processing count to the menu.
		 */
		public function menu_sort() {
			global $submenu, $menu;

			if ( ! isset( $submenu[ 'getwooplugins' ] ) ) {
				return;
			}

			if ( isset( $submenu[ 'getwooplugins' ] ) ) {
				// Remove 'getwooplugins' sub menu item.
				unset( $submenu[ 'getwooplugins' ][ 0 ] );
			}

			$pages = $this->get_settings_pages();

			if ( ! empty( $pages ) && count( $pages ) > 0 ) {
				$submenu[ 'getwooplugins' ][ 1 ][ 0 ] = $submenu[ 'getwooplugins' ][ 2 ][ 0 ]; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
				unset( $submenu[ 'getwooplugins' ][ 2 ] );
			}
		}

		/**
		 * Init the settings page.
		 */
		public function settings_page() {
			GetWooPlugins_Admin_Settings::output();
		}
	}
	endif;
