<?php if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! class_exists( 'AceWidgetManager' ) ) {
class AceWidgetManager extends AceUniqueAbstract {

	/**
	 * Static
	**/
		/**
		 * Instance
		 * @var AceWidgetManager
		**/
		protected static $instance = null;

		/**
		 * Used
		 * @var string[]
		**/
		protected static $usedWidgets = array();

        public function getUsedWidgets()
        {
            return self::$usedWidgets;
        }

        public function addUsedWidget( $widget = '' )
        {
            if ( ! in_array( $widget, self::$usedWidgets ) ) array_push( self::$usedWidgets, $widget );
        }

        /**
         * Check if widget is used
         * @param string[] $widgets
         * @return bool
         */
        public function didWidgets( $widgets = array() )
        {

            if ( is_array( self::usedWidgets ) && 0 >= count( self::$usedWidgets ) ) {
                return false;
            }

            foreach ( $widgets as $widget ) {
                if ( array_search( $widget, self::$usedWidgets ) ) {
                    return true;
                }
            }

            return false;

        }

		/**
         * Check if widget is used
         * @param string $widget
         * @return bool
         */
        public function didWidget( string $widget )
        {
            if ( is_array( self::$usedWidgets ) && 0 >= count( self::$usedWidgets ) ) return false;
            if ( array_search( $widget, self::$usedWidgets ) ) return true;
            return false;
		}
		
		// WC
		public function didWCWidgets()
		{
			if ( is_array( self::$usedWidgets ) && 0 >= count( self::$usedWidgets ) ) return false;
			if ( preg_grep( '/WC_Widget_/i', self::$usedWidgets ) ) return true;
			return false;
		}

		// BBP
		public function didBBPWidgets()
		{
			if ( is_array( self::$usedWidgets ) && 0 >= count( self::$usedWidgets ) ) return false;
			if ( preg_grep( '/BBP_/i', self::$usedWidgets ) ) return true;
			return false;
		}

		// BP
		public function didBPWidgets()
		{
			if ( is_array( self::$usedWidgets ) && 0 >= count( self::$usedWidgets ) ) return false;
			if ( preg_grep( '/BP_/i', self::$usedWidgets ) ) return true;
			return false;
		}


	/**
	 * Properties
	**/
		/**
		 * Defaults
		**/
		public $defaults = array();

		/**
		 * Default Devices
		**/
		public $defaultsShow = array(
			'home'     => 'on',
			'front'    => 'on',
			'blog'     => 'on',
			'archive'  => 'on',
			'singular' => 'on',
			'error'    => 'on',
			'device'   => 'all',
		);

		/**
		 * Default Devices
		**/
		public $defaultsHide = array(
			'wc_page'         => '',
			'wc_cart'         => '',
			'wc_checkout'     => '',
			'wc_account_page' => '',
		);

		/**
		 * Default Devices
		**/
		public $defaultsHideInWC = array(
			'wc_page'         => '',
			'wc_cart'         => '',
			'wc_checkout'     => '',
			'wc_account_page' => '',
		);

		/**
		 * Default Devices
		**/
		public $defaultsShowInPlugins = array(
			'woocommerce_page' => 'on',
			'bbpress_page' => 'on',
			'buddypress_page' => 'on',
		);

		/**
		 * WooCommerce Pages
		**/
		public $pageTypes = array();

		/**
		 * Public Post Types
		**/
		public $publicPostTypes = array();

		/**
		 * WooCommerce Pages
		**/
		public $wcPages = array();

		/**
		 * BuddyPress Pages
		**/
		public $bpPages = array();

		/**
		 * Devices
		**/
		public $devices = array();


	/**
	 * Init
	**/
		/**
		 * Public Initializer
		 * @return AceWidgetManager
		**/
		public static function getInstance()
		{
			if ( null === self::$instance ) self::$instance = new Self();
			return self::$instance;
		}

		/**
		 * Constructor
		**/
		protected function __construct()
		{
			if ( is_admin() ) {
				$this->init();
			}
			$this->initHooks();
		}

		/**
		 * Init
		**/
		protected function init()
		{

			// Page Types
			$this->pageTypes = array(
				'home'     => __( 'Home', Ace::TEXTDOMAIN ),
				'front'    => __( 'Front Page', Ace::TEXTDOMAIN ),
				'blog'     => __( 'Blog Page', Ace::TEXTDOMAIN ),
				'archive'  => __( 'Archive Pages', Ace::TEXTDOMAIN ),
				'singular' => __( 'Content Pages', Ace::TEXTDOMAIN ),
				'error'    => __( '404 Pages', Ace::TEXTDOMAIN ),
			);
			if ( function_exists( 'is_woocommerce' ) ) {
				$this->pageTypes['woocommerce_page'] = __( 'WooCommerce Page', Ace::TEXTDOMAIN );
			}
			if ( function_exists( 'is_bbpress' ) ) {
				$this->pageTypes['bbpress_page'] = __( 'bbPress Page', Ace::TEXTDOMAIN );
			}
			if ( function_exists( 'bp_is_blog_page' ) ) {
				$this->pageTypes['buddypress_page'] = __( 'BuddyPress Page', Ace::TEXTDOMAIN );
			}

			// WC Pages
			$this->wcPages = array(
				'wc_page'         => __( 'WooCommerce', Ace::TEXTDOMAIN ),
				'wc_cart'         => __( 'Cart', Ace::TEXTDOMAIN ),
				'wc_checkout'     => __( 'Checkout', Ace::TEXTDOMAIN ),
				'wc_account_page' => __( 'Account Page', Ace::TEXTDOMAIN ),
			);

			// Devices
			$this->devices = array(
				'all'    => esc_html( 'All Devices', Ace::TEXTDOMAIN ),
				'pc'     => __( 'PC', Ace::TEXTDOMAIN ),
				'mobile' => __( 'Only Mobile', Ace::TEXTDOMAIN ),
			);


        }

        /**
         * Init Hooks
         */
        protected function initHooks()
        {

			// Enqueue Admin Scripts
				add_action( 'admin_enqueue_scripts', array( $this, 'adminEnqueueScripts' ) );

			// Check
				add_action( 'the_widget', array( $this, 'registerUsedWidget' ), 10, 3 );

			// Add Settings to Each Widget
				add_filter( 'widget_display_callback', array( $this, 'widgetDisplayCallback' ), 10, 3 );
				add_filter( 'widget_update_callback', array( $this, 'widgetUpdateCallback' ), 10, 4 );
				add_action( 'in_widget_form', array( $this, 'renderFormDisplayConditionInWidgetForm' ), 10, 3 );

			// Check used Widget
				add_filter( 'widget_display_callback', array( $this, 'registerUsedWidget' ), 100, 3 );

        }

		/**
		 * Add action for init widget class
		 * Need seperate by php version( 5.3+ or not )
		 * 
		 * @param string $widget_class_name
		**/
		protected function initWidget( $widget_class_name ) {

			// Check the required param
			if ( ! isset( $widget_class_name ) || ! is_string( $widget_class_name ) || '' === $widget_class_name ) {
				return;
			}

			// 5.2+ or less
			if ( version_compare( PHP_VERSION, '5.3.0', '<' ) ) {
				add_action( 'widgets_init', create_function( '', 'return register_widget( "' . $widget_class_name . '" );' ) );
			}
			// 5.3+
			else {
				add_action( 'widgets_init', function() use ( $widget_class_name ) { register_widget( $widget_class_name ); } );
			}

		}

		/**
		 * Enqueue Scripts in Admin
		**/
		public function adminEnqueueScripts( $hook )
		{
			wp_enqueue_style( 'ace-widget-form' );
			wp_enqueue_script( 'ace-widget-popup-setting-box' );
		}

	/**
	 * Check
	**/
		/**
		 * 
		**/
		public function registerUsedWidget( $widget, $instance )
		{
			if ( ! is_object( $instance ) || ! is_subclass_of( $instance, 'WP_Widget' ) ) return $widget;
			if( false === $widget ) return $widget;
			$class_name = get_class( $instance );
			$this->addUsedWidget( $class_name );
			return $widget;
		}

	/**
	 * Additional Settings for Each Widget
	**/
		/**
		 * Filter method to Judge if $widget is displayed
		 * 
		 * @param array $instance
		 * @param obj $widget
		 * @param array $args
		 * 
		 * @return array|bool $instance : return $instance if is displayed, otherwise returns false
		**/
        function widgetDisplayCallback( $instance, $widget, $args )
        {

			$defaults = array(
				'ace_display_condition' => '{}'
			);
			$instance = wp_parse_args( ( array ) $instance, $defaults );
			$condition = isset( $instance['ace_display_condition'] ) ? json_decode( $instance['ace_display_condition'], true ) : array(); unset( $defaults );
			if ( $condition === array() ) { return $instance; }
			$show = isset( $condition['show'] ) ? $condition['show'] : $this->defaultsShow;
			$hide = isset( $condition['hide'] ) ? $condition['hide'] : $this->defaultsHide;

			// Get Device Settings
				$show_in_device = esc_attr( isset( $show['device'] ) ? $show['device'] : 'all' );

			// Device Detect
				if( $show_in_device === 'all' ) {
				} elseif( 'pc' === $show_in_device  && wp_is_mobile() ) { return false;
				} elseif( 'mobile' === $show_in_device && ! wp_is_mobile() ) { return false;
				} $show_in_device = null;

			// Priority
				$display_home = esc_attr( isset( $show['home'] ) ? $show['home'] : '' );
				$display_front = esc_attr( isset( $show['front'] ) ? $show['front'] : '' );
				$display_blog = esc_attr( isset( $show['blog'] ) ? $show['blog'] : '' );
			// General Page
				$display_archive = esc_attr( isset( $show['archive'] ) ? $show['archive'] : '' );
				$display_singular = esc_attr( isset( $show['singular'] ) ? $show['singular'] : '' );
				$display_404 = esc_attr( isset( $show['error'] ) ? $show['error'] : '' );
			// Plugin Page
				$display_buddypress = esc_attr( isset( $show['buddypress_page'] ) ? $show['buddypress_page'] : '' );
				$display_bbpress = esc_attr( isset( $show['bbpress_page'] ) ? $show['bbpress_page'] : '' );
				$display_woocommerce = esc_attr( isset( $show['woocommerce_page'] ) ? $show['woocommerce_page'] : '' );

			// Page Detect
				if( is_home() && is_front_page() ) { 
					if ( 'on' !== $display_home ) return false;
				} elseif( ! is_home() && is_front_page() ) {
					if ( 'on' !== $display_front ) return false;
				} elseif( is_home() && ! is_front_page() ) {
					if ( 'on' !== $display_blog ) return false;
				} elseif( function_exists( 'bp_is_blog_page' ) && ! bp_is_blog_page() ) {
					if ( 'on' !== $display_buddypress ) return false;
				} elseif( function_exists( 'is_bbpress' ) && is_bbpress() ) {
					if ( 'on' !== $display_bbpress ) return false;
				} elseif( function_exists( 'is_woocommerce' ) && ( is_woocommerce() || is_cart() || is_checkout() || is_account_page() || is_wc_endpoint_url() ) ) {
					if ( 'on' !== $display_woocommerce ) return false;
				} elseif( is_archive() ) {
					if ( 'on' !== $display_archive ) return false;
				} elseif( is_singular() ) {
					if ( 'on' !== $display_singular ) return false;
				} elseif ( is_404() ) {
					if ( 'on' !== $display_404 ) return false;
				} else { return false; } $display_home = $display_front = $display_blog = $display_archive = $display_singular = null;

				
			// Post Type
				if( ! is_front_page() && is_singular() ) {

					// Post Type
					global $post;
					$post_type = $post->post_type;
					if( isset( $hide['post_type_' . $post_type ] ) && 'on' === $hide['post_type_' . $post_type ] ) { return false; }

					// WooCommerce
					if( function_exists( 'is_woocommerce' ) && ( is_woocommerce() || is_cart() || is_checkout() || is_account_page() || is_wc_endpoint_url() ) ) {

						if ( isset( $hide['wc_page'] )  && 'on' === $hide['wc_page'] ) { return false; }
						elseif ( is_cart() && isset( $hide['wc_cart'] ) && 'on' === $hide['wc_cart'] ) { return false; }
						elseif ( is_checkout() && isset( $hide['wc_checkout'] ) && 'on' === $hide['wc_checkout'] ) { return false; }
						elseif ( is_account_page() && isset( $hide['wc_account_page'] )  && 'on' === $hide['wc_account_page'] ) { return false; }

						if( in_array( $post_type, array( 
							'shop_order', 
							'shop_order_refund', 
							'postshop_coupon', 
							'shop_webhook' 
						) ) ) { return false; }

					}

				} else {
					if( function_exists( 'is_woocommerce' )
						&& ( is_woocommerce() || is_cart() || is_checkout() || is_account_page() || is_wc_endpoint_url() )
						&& ! empty( $hide['wc_page'] ) 
					) { return false; }
				}

			return $instance;

		}

		/**
		 * Filter Method to Update
		 * 
		 * @param array  $instance
		 * @param array  $new_instance
		 * @param array  $old_instance
		 * @param object $widget
		 * 
		 * @return array $instance
		**/
		function widgetUpdateCallback( $instance, $new_instance, $old_instance, $widget ) {

			// Post Type
			$this->publicPostTypes = get_post_types( array( 'public' => true ) );
			foreach ( $this->publicPostTypes as $post_type ) {
				$this->defaultsHide['post_type_' . $post_type ] = '';
			}

			// Show
				$show = array();
				if ( isset( $new_instance['ace_widget_show'] )
					&& is_array( $new_instance['ace_widget_show'] )
					&& 0 < count( $new_instance['ace_widget_show'] )
				) { foreach ( $this->pageTypes as $page => $value ) {
					$show[ $page ] = sanitize_text_field( 
						( isset( $new_instance['ace_widget_show'][ $page ] ) 
							&& 'on' === $new_instance['ace_widget_show'][ $page ]
						)
						? $new_instance['ace_widget_show'][ $page ] 
						: ''
					);
				} } unset( $new_instance['ace_widget_show'] );


				$show['device'] = sanitize_text_field( isset( $new_instance['ace_widget_show_in_devices'] ) ? $new_instance['ace_widget_show_in_devices'] : '' );
				$new_show = wp_parse_args( $show, $this->defaultsShow );
				unset( $new_instance['ace_widget_show_in_devices'] );

			// Hide
				// Post Types
				$hide_in_post_types = array();
				if ( $new_instance['ace_widget_hide_in_post_types']
					&& is_array( $new_instance['ace_widget_hide_in_post_types'] )
					&& 0 < count( $new_instance['ace_widget_hide_in_post_types'] )
				) {
					foreach( $this->publicPostTypes as $post_type ) {

						if ( isset( $new_instance['ace_widget_hide_in_post_types'][ $post_type ] )
							&& is_string( $new_instance['ace_widget_hide_in_post_types'][ $post_type ] ) 
							&& 'on' === $new_instance['ace_widget_hide_in_post_types'][ $post_type ]
						) {
							$value = 'on';
						} else {
							$value = '';
						}
						$key = 'post_type_' . $post_type;
						$hide_in_post_types[ $key ] = $value;

					} unset( $new_instance['ace_widget_hide_in_post_types'] );
				}

				// Plugins
				$hide_in_plugin_pages = array();
					// WooCommerce
					$hide_in_wc_pages = array();
					if( function_exists( 'is_woocommerce' ) ) {
						if ( $new_instance['ace_widget_hide_in_woocommerce'] 
							&& is_array( $new_instance['ace_widget_hide_in_woocommerce'] )
							&& 0 < count( $new_instance['ace_widget_hide_in_woocommerce'] )
						) {
							foreach( $this->defaultsHideInWC as $wc_page => $default ) {

								if ( isset( $new_instance['ace_widget_hide_in_woocommerce'][ $wc_page ] )
									&& is_string( $new_instance['ace_widget_hide_in_woocommerce'][ $wc_page ] ) 
									&& 'on' === $new_instance['ace_widget_hide_in_woocommerce'][ $wc_page ]
								) {
									$value = 'on';
								} else {
									$value = '';
								}

								$hide_in_wc_pages[ $wc_page ] = $value;

							} unset( $new_instance['ace_widget_hide_in_woocommerce'] );
						}
					}
					$hide_in_plugin_pages = wp_parse_args( $hide_in_plugin_pages, $hide_in_wc_pages );

					// BuddyPress
					/*
					$show_in_bp_pages = array();
					if( function_exists( 'bp_is_blog_page' ) ) {
						if ( $new_instance['ace_widget_show_in_buddypress'] 
							&& is_array( $new_instance['ace_widget_show_in_buddypress'] )
							&& 0 < count( $new_instance['ace_widget_show_in_buddypress'] )
						) {
							
							foreach( $this->defaultsShowInPlugins as $bp_page => $default ) {
								
								$value = '';
								if ( isset( $new_instance['ace_widget_show_in_buddypress'][ $bp_page ] )
									&& is_string( $new_instance['ace_widget_show_in_buddypress'][ $bp_page ] ) 
									&& 'on' === $new_instance['ace_widget_show_in_buddypress'][ $bp_page ]
								) {
									$value = 'on';
								}

								$show_in_bp_pages[ $bp_page ] = $value;

							} unset( $new_instance['ace_widget_show_in_buddypress'] );

						}
					}
					$new_show = wp_parse_args( $new_show, $show_in_bp_pages );
					*/


				$show_condition = array(
					'show' => $new_show,
					'hide' => wp_parse_args( $hide_in_post_types, $hide_in_plugin_pages )
				);
				$show_condition_json = json_encode( $show_condition, JSON_UNESCAPED_UNICODE );
				$instance['ace_display_condition'] = sanitize_text_field( $show_condition_json );

			return $instance;

		}

		/**
		 * Print Form in Widget Form
		**/
        function renderFormDisplayConditionInWidgetForm( $widget, $return, $instance )
        {
			
			// Post Type
			$this->publicPostTypes = get_post_types( array( 'public' => true ) );
			foreach ( $this->publicPostTypes as $post_type ) {
				$this->defaultsHide['post_type_' . $post_type ] = '';
			}
			$this->defaultsHide = wp_parse_args( $this->defaultsHide, $this->defaultsHideInWC );

			$defaults = array(
				'ace_display_condition' => '{}'
			);
			$instance = wp_parse_args( ( array ) $instance, $defaults );
			$condition = json_decode( $instance['ace_display_condition'], true );
			$show = isset( $condition['show'] ) ? $condition['show'] : array();
			$show = wp_parse_args( $show, $this->defaultsShow );
			$show = wp_parse_args( $show, $this->defaultsShowInPlugins );
			$hide = isset( $condition['hide'] ) ? $condition['hide'] : array();
			$hide = wp_parse_args( $hide, $this->defaultsHide );

			?>

			<a id="popup-next-detect-setting-box-<?php echo esc_attr( $widget->number ); ?>" class="button popup-next-setting-box" href="javascript:void( 0 );"><?php esc_html_e( 'Settings to Detect Conditions', Ace::TEXTDOMAIN ); ?></a>
			<div id="widget-detect-setting-box-<?php echo esc_attr( $widget->number ); ?>" class="ace-widget-setting-box widget-display-detect-setting-box">

				<p>
					<label>
						<strong><?php esc_html_e( 'Show in following Pages', Ace::TEXTDOMAIN ); ?></strong>
					</label><br>

					<?php foreach( $this->pageTypes as $page_type => $label ) {
						$name = sprintf( '%1$s[%2$s]', $widget->get_field_name( 'ace_widget_show' ), $page_type );
						$id = sprintf( '%1$s_%2$s', $widget->get_field_id( 'ace_widget_show' ), $page_type )
					?>
						<input type="checkbox" class="widefat"
							id="<?php echo esc_attr( $id ); ?>"
							name="<?php echo esc_attr( $name ); ?>"
							value="on" <?php checked( 'on', $show[ $page_type ] ); ?>
						/><label for="<?php echo esc_attr( $name ); ?>"><?php echo esc_html( $label ); ?></label><br>
					<?php } ?>
				</p>

				<p>
					<label>
						<strong><?php esc_html_e( 'Not Show in Following Pages', Ace::TEXTDOMAIN ); ?></strong>
					</label><br>

					<?php foreach( $this->publicPostTypes as $post_type ) { 
						if( in_array( $post_type, array( 'revision', 'nav_menu_item', 'product', 'product_variation', 'shop_order', 'shop_order_refund', 'shop_coupon', 'shop_webhook' ) ) ) continue;
						$name = sprintf( '%1$s[%2$s]', $widget->get_field_name( 'ace_widget_hide_in_post_types' ), $post_type );
						$id = sprintf( '%1$s_%2$s', $widget->get_field_id( 'ace_widget_hide_in_post_types' ), $post_type )
					?>
						<input type="checkbox" class="widefat"
							name="<?php echo esc_attr( $name ); ?>"
							id="<?php echo esc_attr( $id ); ?>"
							value="on" <?php checked( 'on', $hide['post_type_' . $post_type ] ); ?>
						/>
						<label for="<?php echo esc_attr( $name ); ?>"><?php echo esc_html( $post_type ); ?></label>
						<br>

					<?php } ?>

				</p>

				<?php // WC
				if( function_exists( 'is_woocommerce' ) ) { ?>
					<p>
						<label>
							<strong><?php esc_html_e( 'Check Not to be Displayed in Pages Below ( for WooCommerce Pages )', Ace::TEXTDOMAIN ); ?></strong>
						</label><br>

						<?php foreach ( $this->wcPages as $wc_page => $label ) {
							$name = sprintf( '%1$s[%2$s]', $widget->get_field_name( 'ace_widget_hide_in_woocommerce' ), $wc_page );
							$id = sprintf( '%1$s_%2$s', $widget->get_field_id( 'ace_widget_hide_in_woocommerce' ), $wc_page )
						?>

							<input type="checkbox" class="widefat"
								name="<?php echo esc_attr( $name ); ?>"
								id="<?php echo esc_attr( $id ); ?>"
								value="on" <?php checked( 'on', $hide[ $wc_page ] ); ?>
							/>
							<label for="<?php echo esc_attr( $name ); ?>"><?php echo esc_html( $label ); ?></label>
							<br>

						<?php } ?>

					</p>
				<?php } ?>

				<p>
					<label>
						<strong><?php esc_html_e( 'Select displayed Devices', Ace::TEXTDOMAIN ); ?></strong>
					</label><br>

					<?php foreach ( $this->devices as $device => $label ) {
						$name = $widget->get_field_name( 'ace_widget_show_in_devices' );
						$id = sprintf( '%1$s_%2$s', $widget->get_field_id( 'ace_widget_show_in_devices' ), $device )
					?>

						<input type="radio" class="widefat"
							name="<?php echo esc_attr( $name ); ?>"
							id="<?php echo esc_attr( $id ); ?>"
							value="<?php echo esc_attr( $device ); ?>" <?php checked( $device, $show['device'] ); ?>
						/>
						<label for="<?php echo esc_attr( $name ); ?>"><?php echo esc_html( $label ); ?></label>
						<br>

					<?php } ?>

				</p>

				<a id="close-detect-setting-box-<?php echo esc_attr( $widget->number ); ?>" class="button close-this-setting-box" href="javascript:void( 0 );"><?php esc_html_e( 'Close', Ace::TEXTDOMAIN ); ?></a>

			</div>

			<?php

		}

}
}