<?php
/**
 * The class is the core plugin responsible for including and
 * instantiating all of the code that composes the plugin.
 *
 * The class includes an instance to the plugin
 * Loader which is responsible for coordinating the hooks that exist within the
 * plugin.
 *
 * @since    1.0.0
 * @package ASTM
 */

if ( ! class_exists( 'Add_Search_To_Menu' ) ) {

	class Add_Search_To_Menu {


		/**
		 * Defines variable to store plugin options.
		 */
		 public $options;

		/**
		 * A reference to the loader class that coordinates the hooks and callbacks
		 * throughout the plugin.
		 *
		 * @access protected
		 * @var    Add_Search_To_Menu_Loader   $loader    Manages hooks between the WordPress hooks and the callback functions.
		 */
		protected $loader;

		/**
		 * Instantiates the plugin by setting up the core properties and loading
		 * all necessary dependencies and defining the hooks.
		 *
		 * The constructor uses internal functions to import all the
		 * plugin dependencies, and will leverage the Add_Search_To_Menu for
		 * registering the hooks and the callback functions used throughout the plugin.
		 */
		public function __construct() {

			$this->options = get_option( 'add_search_to_menu' );
			$this->loader = new ASTM_Loader();

			$this->set_locale();

			if ( is_admin() ) {
				$this->admin_hooks();
			} else {
				$this->public_hooks();
			}
		}

		/**
		 * PHP 4 Compatible Constructor.
		 */
		function Add_Search_To_Menu() {
			$this->__construct();
		}

		/**
		 * Define the locale for this plugin for internationalization.
		 *
		 * Uses the ASTM_i18n class in order to set the domain and to register the hook
		 * with WordPress.
		 *
		 * @since    1.0.0
		 * @access   private
		 */
		private function set_locale() {
			$this->loader->add_action( 'plugins_loaded', new ASTM_i18n(), 'load_plugin_textdomain' );
		}

		/**
		 * Defines the hooks and callback functions that are used for setting up the plugin's admin options.
		 *
		 * @access    private
		 */
		private function admin_hooks() {
			$options = $this->options;
			$admin = new ASTM_Admin( ASTM_VERSION );

			if ( ! isset( $options['dismiss_admin_notices'] ) || ! $options['dismiss_admin_notices'] ) {
				$this->loader->add_action( 'all_admin_notices', $admin, 'setup_notice' );
			}

			$this->loader->add_action( 'plugin_action_links', $admin, 'plugin_settings_link', 10, 2 );
			$this->loader->add_action( 'admin_menu', $admin, 'admin_menu_setup' );
			$this->loader->add_action( 'wp_ajax_nopriv_dismiss_notice', $admin, 'dismiss_notice' );
			$this->loader->add_action( 'wp_ajax_dismiss_notice', $admin, 'dismiss_notice' );
			$this->loader->add_action( 'admin_enqueue_scripts', $admin, 'admin_script_style' );
			$this->loader->add_action( 'admin_init', $admin, 'settings_init' );
		}

		/**
		 * Defines the hooks and callback functions that are used for executing plugin functionality
		 * in the front end of site.
		 *
		 * @access    private
		 */
		private function public_hooks() {
			$options = $this->options;
			$public = new ASTM_Public( ASTM_VERSION );
			$this->loader->add_action( 'wp_enqueue_scripts', $public, 'enqueue_script_style' );
			$display_in_header = isset( $options['add_search_to_menu_display_in_header'] ) ? $options['add_search_to_menu_display_in_header'] : 0;
			$display_in_mobile_menu = $display_in_header && wp_is_mobile() ? true : false;

			if ( $display_in_mobile_menu ) {
				$this->loader->add_filter( 'wp_head', $public, 'search_in_header', 99 );
			} else {
				$this->loader->add_filter( 'wp_nav_menu_items', $public, 'search_menu_item', 99, 2 );
			}

			if ( isset( $options['add_search_to_menu_posts'] ) && ( ! isset( $options['add_search_to_menu_gcse'] ) || '' == $options['add_search_to_menu_gcse'] ) ) {
				$this->loader->add_action( 'pre_get_posts', $public, 'search_filter' );
			}

			$this->loader->add_action( 'wp_footer', $public, 'custom_css' );
		}

		/**
		 * Sets this class into motion.
		 *
		 * Executes the plugin by calling the init method of the loader class which will
		 * register all of the hooks and callback functions used throughout the plugin
		 * with WordPress.
		 */
		public function init() {
			$this->loader->init();
		}
	}
}