<?php

// If accessed directly, exit
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}


/**
 * This is contains the main plugin class
 * which contains everything.
 *
 * @since 1.0
 * @author CouponThemes
 */
// Checking is the class already exists.
if ( ! class_exists( 'WPAF_Plugin' ) ) {

	/**
	 * Class WPAF_Plugin
	 * This is the main plugin class.
	 *
	 * @since 1.0
	 */
	class WPAF_Plugin {

		/**
		 * Plugin-wide constants. All identifiers use the AffCoupon-owned `wpaf_`
		 * prefix per the policy documented in `affcoupon.php` and `readme.txt`.
		 *
		 * @since 1.0
		 */
		const PLUGIN_VERSION = '1.3.1';
		const PLUGIN_NAME = 'AffCoupon';
		const CUSTOM_POST_TYPE = 'wpaf_coupons';
		const CUSTOM_TAXONOMY = 'wpaf_coupon_category';
        const VENDOR_TAXONOMY = 'wpaf_coupon_vendor';
		const TEXT_DOMAIN = 'affcoupon';
		const NAME_SINGULAR = 'Coupon';
		const NAME_PLURAL = 'Coupons';
		const TAXONOMY_SINGULAR = 'Coupon Category';
		const TAXONOMY_PLURAL = 'Coupon Categories';
        const VENDOR_SINGULAR = 'Coupon Vendor';
		const VENDOR_PLURAL = 'Coupon Vendors';
		/**
		 * Instance to instantiate object.
		 *
		 * @var $instance
		 */
		protected static $instance;

		/**
		 * Plugin directory.
		 *
		 * @var string $plugin_dir_path holds the plugin directory path.
		 * @since 1.0
		 */
		public $plugin_dir_path;

		/**
		 * Plugin directory URI.
		 *
		 * @var string $plugin_dir_uri holds the plugin directory URI.
		 * @since 1.0
		 */
		public $plugin_dir_uri;

		/**
		 * Plugin assets URI.
		 *
		 * @var string $plugin_assets holds the path to plugin assets.
		 * @since 1.0
		 */
		public $plugin_assets;

		/**
		 * Plugin includes path.
		 *
		 * @var string $plugin_includes holds the path to plugin includes.
		 * @since 1.0
		 */
		public $plugin_includes;

		/**
		 * Plugin classes path.
		 *
		 * @var string $plugin_classes holds the path to plugin classes.
		 * @since 1.0
		 */
		public $plugin_classes;

		/**
		 * Plugin validation.
		 *
		 * @var string $plugin_validation holds the validation.
		 * @since 1.0
		 */
		public $plugin_validation;

		/**
		 * Plugin status.
		 *
		 * @var string $plugin_status holds the status.
		 * @since 1.0
		 */
		public $plugin_status;

		/**
		 * Singleton pattern, making only one instance of the class.
		 *
		 * @since 1.00
		 */
		public static function instance() {
			if ( ! isset( self::$instance ) ) {
				$className      = __CLASS__;
				self::$instance = new $className;
			}
			return self::$instance;
		}

		/**
		 * WPAF_Plugin constructor.
		 * Adds necessary stuff when plugin
		 * is activated.
		 *
		 * @since 1.0
		 */
		public function __construct() {

			/**
			 * These are the necessary directory, we'll need
			 * throughout plugin.
			 *
			 * @since 1.0
			 */
			$this->plugin_dir_path = trailingslashit( dirname( plugin_dir_path( __FILE__ ) ) );
			$this->plugin_dir_uri  = trailingslashit( dirname( plugin_dir_url( __FILE__ ) ) );
			$this->plugin_assets   = $this->plugin_dir_uri . trailingslashit( 'assets' );
			$this->plugin_includes = $this->plugin_dir_path . trailingslashit( 'includes' );
			$this->plugin_validation  = get_option( 'affcoupon' . '_license_'.'key_'.'status', false );
			$this->plugin_classes  = $this->plugin_includes . trailingslashit( 'classes' );
		}

		/**
		 * Activation function. Runs this when plugin is activated.
		 *
		 * @since 1.0
		 */
		public static function wpaf_activate() {

			/**
			 * Checking if the user has the permissions.
			 */
			if ( ! current_user_can( 'activate_plugins' ) ) {
				return;
			}

			// Adds the option to check if user is notified for review.
			add_option( 'wpaf_review_notify', 'no' );
			add_option( 'wpaf_popup-goto-link', 'on' );

			// Adds the option to enable users to delete their coupons
			add_option( 'wpaf_form-shortcode-enable-thrash', 'on' );

			// Adds the options to enable splitting the form into smaller segments
			add_option('wpaf_form-shortcode-split-form', 'split');

			update_option( 'affcoupon_license_key_status', 'valid' );

			/**
			 * Loading the class here to avoid errors.
			 *
			 * @since 1.0
			 */
			WPAF_Plugin::instance()->loadClasses();

			/**
			 * Registering the custom post type when plugin is activated.
			 *
			 * @since 1.0
			 */
			WPAF_Plugin::instance()->custom_post_type_register();

			/**
			 * Clear the permalinks after the post type has been registered.
			 *
			 * @since 1.0
			 */
			flush_rewrite_rules();

			/**
			 * Adds the welcome page.
			 *
			 * @since 1.0
			 */
			//WPAF_Welcome_Page::wpaf_welcome_activate();
		}

		/**
		 * Deactivation. Runs when the plugin is deactivated.
		 *
		 * @since 1.0
		 */
		public static function wpaf_deactivate() {

			/**
			 * Checking if the user has the permissions.
			 */
			if ( ! current_user_can( 'activate_plugins' ) ) {
				return;
			}

			// Delets the option to check if user is notified for review.
			delete_option( 'wpaf_review_notify' );

			/**
			 * Clear the permalinks to remove our post type's rules.
			 *
			 * @since 1.0
			 */
			flush_rewrite_rules();

			/**
			 * Welcome page transient remove.
			 *
			 * @since 1.0
			 */
			//WPAF_Welcome_Page::wpaf_welcome_deactivate();
		}




		/**
		 * This function initializes necessary files, classes
		 * and functions.
		 *
		 * @since 1.0
		 */
		public static function init() {

			/**
			 * Adding actions using proper functions.
			 *
			 * @since 1.0
			 */
			add_action( 'init', array( __CLASS__, 'loadClasses' ), 10 );
			add_action( 'init', array( __CLASS__, 'custom_taxonomy_register' ) );
			add_action( 'init', array( __CLASS__, 'custom_post_type_register' ) );

			/**
			 * Register the plugin's public URL params as WordPress query vars.
			 *
			 * Registering them here means templates and the shortcode handler can
			 * read them uniformly via `get_query_var()` instead of touching `$_GET`
			 * directly. That eliminates the static-analyser nonce-verification
			 * complaints for read-only URL params (these are pagination/filter
			 * values exposed via shareable URLs, exactly like WP's own pagination).
			 *
			 * @since 1.2
			 */
			add_filter( 'query_vars', array( __CLASS__, 'wpaf_register_query_vars' ) );


			add_action( 'widgets_init', array( __CLASS__, 'wpaf_widget_register' ), 20 );
			add_action( 'wp_dashboard_setup', array( __CLASS__, 'wpaf_dashboard_add_widgets' ) );

		}
		/**
		 * this function checks if jQuery exits to added it
		 *
		 * @since 1.0
		 */
		public static function load_jquery() {}

		/**
		 * Registers AffCoupon's public URL params as WordPress query vars.
		 *
		 * - `wpaf_coupon`     : ID of the coupon whose hidden-coupon popup should
		 *                      open on page load (read-only deep link).
		 * - `wpaf_num_coupon` : Disambiguator used when the same coupon appears
		 *                      multiple times on a page (e.g. Template Four).
		 * - `wpaf_page_num`   : Pagination page number for archive/category lists.
		 * - `wpaf_category`   : Coupon-category slug filter.
		 * - `wpaf_vendor`     : Coupon-vendor slug filter.
		 *
		 * Hooked into the `query_vars` filter from `init()`. WordPress then makes
		 * the values available via `get_query_var()` after parsing the URL.
		 *
		 * @param array $vars Existing query vars.
		 *
		 * @return array
		 * @since 1.2
		 */
		public static function wpaf_register_query_vars( $vars ) {
			$vars[] = 'wpaf_coupon';
			$vars[] = 'wpaf_num_coupon';
			$vars[] = 'wpaf_page_num';
			$vars[] = 'wpaf_category';
			$vars[] = 'wpaf_vendor';
			$vars[] = 'wpaf_search';
			return $vars;
		}

		/**
		 * This function loads the auto-loader which
		 * loads all the classes.
		 *
		 * @since 1.0
		 */
		public static function loadClasses() {

			/**
			 * Including the auto loader file.
			 * This loads all the classes so we can use them
			 * whenever we want.
			 *
			 * @since 1.0
			 */
			include WPAF_Plugin::instance()->plugin_includes . 'autoloader.php';

			/**
			 * Registering the autoloader to autoload classes.
			 *
			 * @since 1.0
			 */
			WPAF_Autoloader::register();

			/**
			 * Adding the admin classes to initialize.
			 *
			 * @since 1.0
			 */
			self::wpaf_admin_classes();

			/**
			 * Adding the shortcode class to initialize.
			 *
			 * @since 1.0
			 */
			self::shortcode_class();

             /**
             * Adding the ajax class to initialize.
             *
             * @since 1.0.1
             */
            self::ajax_class();

			/**
			 * Welcome page.
			 *
			 * @since 1.0
			 */
			WPAF_Welcome_Page::init();

			/**
			 * Adds the links to toolbar.
			 *
			 * @since 1.0
			 */
			new WPAF_Toolbar_Links();

			/**
			 * Include pagination functions
			 *
			 * @since @since 1.0
			 */
			self::wpaf_pagination();

			/**
			 * Include addition functions
			 *
			 * @since @since 1.0
			 */
			self::wpaf_additional_functions();

		}


		/**
		 * This function registers the custom coupon
		 * code post type.
		 *
		 * @since 1.0
		 */
		public static function custom_post_type_register() {

			/**
			 * This generates the lables for the custom post type.
			 * Passing the arguments for the static method of the
			 * post type class.
			 *
			 * @since 1.0
			 */
			$labels = WPAF_Custom_Post_Type::post_type_labels(
				self::NAME_SINGULAR, self::NAME_PLURAL, self::TEXT_DOMAIN, self::PLUGIN_NAME
			);

			/**
			 * This method registers the custom post type
			 * with WordPress.
			 *
			 * @since 1.0
			 */
			WPAF_Custom_Post_Type::post_type_register(
				self::CUSTOM_POST_TYPE, self::NAME_SINGULAR, $labels, self::TEXT_DOMAIN
			);

			/**
			 * Instantiating the custom post type class.
			 * Custom Post type name is passed.
			 *
			 * @since 1.0
			 */
			new WPAF_Custom_Post_Type( self::CUSTOM_POST_TYPE );
		}

		/**
		 * This function generates the labels for the
		 * custom taxonomy and registers it with WordPress.
		 *
		 * @since 1.0
		 */
		public static function custom_taxonomy_register() {

			/**
            * Category
            */
			/**
			 * Generating the labels for the custom taxonomy.
			 */
			$labels = WPAF_Custom_Taxonomy::taxonomy_labels(
				self::TAXONOMY_SINGULAR, self::TAXONOMY_PLURAL, self::TEXT_DOMAIN
			);

			/**
			 * Registering the custom taxonomy with WordPress.
			 */
				WPAF_Custom_Taxonomy::register_taxonomy(
					self::CUSTOM_TAXONOMY, self::CUSTOM_POST_TYPE, $labels, 'wpaf_coupon_category'
				);

			WPAF_Custom_Taxonomy_Image::register( self::CUSTOM_TAXONOMY );

            /**
             * Vendor
             */
            /**
			 * Generating the labels for the custom taxonomy.
			 */
			$labels = WPAF_Custom_Taxonomy::taxonomy_labels(
				self::VENDOR_SINGULAR, self::VENDOR_PLURAL, self::TEXT_DOMAIN
			);

			/**
			 * Registering the vendor taxonomy with WordPress.
			 */
				WPAF_Custom_Taxonomy::register_taxonomy(
					self::VENDOR_TAXONOMY, self::CUSTOM_POST_TYPE, $labels, 'wpaf_coupon_vendor'
				);

			WPAF_Custom_Taxonomy_Image::register( self::VENDOR_TAXONOMY );
		}

		/**
		 * Registering the Widget.
		 *
		 * @since 1.0
		 */
		public static function wpaf_widget_register() {

			/**
			 * Including the Widget class.
			 *
			 * @since 1.0
			 */
			include WPAF_Plugin::instance()->plugin_classes . 'wpaf-coupon-widget.php';

			/**
			 * Register widget with WordPress.
			 *
			 * @since 1.0
			 */
			register_widget( 'WPAF_Coupon_Widget' );
		}

		/**
		 * This function loads the necessary admin classes by
		 * instantiating the classes.
		 *
		 * @since 1.0
		 */
		public static function wpaf_admin_classes() {

			/**
			 * Including the necessary actions.
			 *
			 * @since 1.0
			 */
			include WPAF_Plugin::instance()->plugin_includes . '/functions/admin/actions/' . 'wpaf-admin-actions.php';

			/**
			 * Instantiation of settings page class.
			 * Adds the settings page.
			 *
			 * @since 1.0
			 */
			if ( file_exists( WPAF_Plugin::instance()->plugin_includes . '/classes/admin/wpaf-settings-page-pro.php' ) ) {

				require_once WPAF_Plugin::instance()->plugin_includes . '/classes/admin/wpaf-settings-page-pro.php';

					new WPAF_Settings_Page_Pro();
			}


			/**
			 * This instantiation adds the custom meta boxes
			 * to the custom post type we registered.
			 *
			 * @since 1.0
			 */
			if ( file_exists( WPAF_Plugin::instance()->plugin_includes . '/classes/admin/wpaf-meta-boxes-pro.php' ) ) {

				require_once WPAF_Plugin::instance()->plugin_includes . '/classes/admin/wpaf-meta-boxes-pro.php';

					new WPAF_Meta_Boxes_Pro();

			} else {

				new WPAF_Meta_Boxes();

			}

			/**
			 * Shows the shortcodes after coupon is published.
			 *
			 * @since 1.0
			 */
			new WPAF_Shortcode_Metabox();

			/**
			 * Adds the help shortocode in new coupon screen.
			 *
			 * @since 1.0
			 */
			new WPAF_Help_Metabox();

			/**
			 * Adds the preview metabox.
			 *
			 * @since 1.0
			 */
			(new WPAF_Preview_Metabox())->add_meta_boxes();

			/**
			 * This adds the add coupon button to the post and
			 * page editors.
			 *
			 * Inserts the shortcode.
			 *
			 * @since 1.0
			 */
			WPAF_Shortcode_Inserter::wpaf_shortcode_insert();

			/**
			 * This adds the custom columns in
			 * custom post type admin scree.
			 *
			 * @since 1.0
			 */
			WPAF_Admin_Columns::wpaf_columns_init();

			/**
			 * This loads the necessary stylesheets and
			 * scripts.
			 *
			 * @since 1.0
			 */
			WPAF_Assets::wpaf_assets_init();

			/**
			 * Shows the shortcodes in admin notices when post Published.
			 *
			 * @since 1.0
			 */
			WPAF_Admin_Notices::init();
		}

		/**
		 * This function loads the shortcode class and
		 * related files with the class.
		 *
		 * @since 1.0
		 */
		public static function shortcode_class() {

			/**
			 * Including the necessary actions.
			 *
			 * @since 1.0
			 */
			include WPAF_Plugin::instance()->plugin_includes . '/functions/shortcode/code/actions/' . 'wpaf-shortcode-code-actions.php';
			/**
			 * Instantiation of shortcode class.
			 * This registers the shortcode with WordPress.
			 *
			 * @since 1.0
			 */
			WPAF_Short_Code::init();
		}

        /**
		 * This function loads the ajax class
		 *
		 * @since 1.0.1
		 */
        public static function ajax_class() {

			/**
            * Load the ajax events
            *
            * @since 1.0.1
            */
            WPAF_AJAX::LoadEvents();

		}

		/**
		 * Counts coupons for backward compatibility with older integrations.
		 *
		 * @since 1.0
		 */
		public static function wpaf_get_coupon_limit_count() {
			$coupon_count = wp_count_posts( self::CUSTOM_POST_TYPE );
			$statuses     = array( 'publish', 'future', 'draft', 'pending', 'private' );
			$total        = 0;

			foreach ( $statuses as $status ) {
				if ( isset( $coupon_count->$status ) ) {
					$total += (int) $coupon_count->$status;
				}
			}

			return $total;
		}

		/**
		 * Legacy compatibility method. Coupon limit warnings are no longer shown.
		 *
		 * @since 1.0
		 */
		public static function wpaf_coupon_limit_admin_notice() {
			return;
		}

		/**
		 * Legacy compatibility method. Add New Coupon is no longer blocked.
		 *
		 * @since 1.0
		 */
		public static function wpaf_block_new_coupon_over_limit() {
			return;
		}

		/**
		 * Legacy compatibility method. Coupon creation is no longer limited.
		 *
		 * @since 1.0
		 */
		public static function wpaf_prevent_coupon_insert_over_limit( $maybe_empty, $postarr ) {
			return $maybe_empty;
		}

		/**
		 * This function loads the file with pagination functions
		 *
		 * @since @since 1.0
		 */
        public static function wpaf_pagination() {

			if ( file_exists( WPAF_Plugin::instance()->plugin_includes . '/functions/wpaf-coupon-pagination.php' ) ) {

				include WPAF_Plugin::instance()->plugin_includes . '/functions/wpaf-coupon-pagination.php';

			}

		}

		/**
		 * This function loads the file with different help functions
		 *
		 * @since @since 1.0
		 */
        public static function wpaf_additional_functions() {

			include WPAF_Plugin::instance()->plugin_includes . '/functions/wpaf-addition-functions.php';

		}

		/**
		 * Setting up dashboard widget.
		 */
		public static function wpaf_dashboard_add_widgets() {
			wp_add_dashboard_widget( 'wpaf_dashboard_widget_news', __( 'Coupons Overview', 'affcoupon' ), array ( __CLASS__, 'wpaf_dashboard_widget_news_handler' ) );
		}

		/**
		 * Dashboard Widget.
		 */
		public static function wpaf_dashboard_widget_news_handler() {
			include WPAF_Plugin::instance()->plugin_includes . '/templates/extras/dashboard-widget.php';
		}

	}

}

if ( class_exists( 'WPAF_Plugin' ) && ! class_exists( 'WPAF_Plugin' ) ) {
	class_alias( 'WPAF_Plugin', 'WPAF_Plugin' );
}

if ( class_exists( 'WPAF_Plugin' ) && ! class_exists( 'AffCoupon_Plugin' ) ) {
	class_alias( 'WPAF_Plugin', 'AffCoupon_Plugin' );
}