<?php

	// Prevent direct file access
	if ( ! defined( 'ABSPATH' ) ) {
		exit;
	}

	/**
	 * Class Cbxbookmarkedmost_Widget
	 */
	class CBXWPBookmarkedMost_Widget extends WP_Widget {

		/**
		 *
		 * Unique identifier for your widget.
		 *
		 *
		 * The variable name is used as the text domain when internationalizing strings
		 * of text. Its value should match the Text Domain file header in the main
		 * widget file.
		 *
		 * @since    1.0.0
		 *
		 * @var      string
		 */
		protected $widget_slug = 'cbxwpbookmarkedmost-widget';


		/**
		 * Constructor
		 * Specifies the classname and description, instantiates the widget,
		 * loads localization files, and includes necessary stylesheets and JavaScript.
		 */
		public function __construct() {
			parent::__construct(
				$this->get_widget_slug(), esc_html__( 'Most Bookmarked Posts', "cbxwpbookmark" ), array(
					'classname'   => 'cbxbmmostlisting cbxbmmostlisting-wd ' . $this->get_widget_slug() . '-class',
					'description' => esc_html__( 'This widget shows most bookmarked post from all user within specific time limit.', "cbxwpbookmark" )
				)
			);

			//Refreshing the widget's cached output with each new post
			add_action( 'save_post', array( $this, 'flush_widget_cache' ) );
			add_action( 'deleted_post', array( $this, 'flush_widget_cache' ) );
			add_action( 'switch_theme', array( $this, 'flush_widget_cache' ) );
		}

		// end constructor

		/**
		 * Return the widget slug.
		 *
		 * @return    Plugin slug variable.
		 * @since    1.0.0
		 *
		 */
		public function get_widget_slug() {
			return $this->widget_slug;
		}

		/* -------------------------------------------------- */
		/* Widget API Functions
		  /*-------------------------------------------------- */

		/**
		 * Outputs the content of the widget.
		 *
		 * @param array args  The array of form elements
		 * @param array instance The current instance of the widget
		 */
		public function widget( $args, $instance ) {
			// Check if there is a cached output
			$cache = wp_cache_get( $this->get_widget_slug(), 'widget' );

			if ( ! is_array( $cache ) ) {
				$cache = array();
			}

			if ( ! isset( $args['widget_id'] ) ) {
				$args['widget_id'] = $this->id;
			}

			if ( isset( $cache[ $args['widget_id'] ] ) ) {
				return print $cache[ $args['widget_id'] ];
			}

			// go on with your widget logic, put everything into a string and …

			extract( $args, EXTR_SKIP );

			$widget_string = $before_widget;

			// Title
			$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? esc_html__( 'Most Bookmarked Post', 'cbxwpbookmark' ) : $instance['title'], $instance, $this->id_base );

			// Defining Display Limit

			/*$limit = !empty($instance['limit']) ? intval($instance['limit']) : 10;
			//$timezone = isset($instance['timezone']) ? esc_attr($instance['timezone']) : 'Africa/Accra';
			$daytime    = isset($instance['daytime']) ? intval($instance['daytime']) : '0'; // all in days numeric value, 0  is for all time
			$orderby    = isset($instance['orderby']) ? esc_attr($instance['orderby']) : 'object_id';
			$order      = isset($instance['order']) ? esc_attr($instance['order']) : 'DESC';
			$show_count = isset($instance['show_count']) ? intval($instance['show_count']) : 1;
			$show_thumb = isset($instance['show_thumb']) ? intval($instance['show_thumb']) : 1;


			$type       = isset($instance['type']) ? wp_unslash($instance['type']) : array();
			if(is_string($type)){
				$type = explode(',', $type);
			}

			$type = array_filter($type);*/


			// Defining Title of Widget
			if ( $title ) {
				$widget_string .= $args['before_title'] . $title . $args['after_title'];
			} else {
				$widget_string .= $args['before_title'] . $args['after_title'];
			}

			wp_enqueue_style( 'cbxwpbookmarkpublic-css' );

			ob_start();


			//include(plugin_dir_path(__FILE__) . 'views/widget.php');
			include( cbxwpbookmark_locate_template( 'widgets/cbxwpbookmarkmost-widget.php' ) );

			$widget_string .= ob_get_clean();
			$widget_string .= $after_widget;

			$cache[ $args['widget_id'] ] = $widget_string;

			wp_cache_set( $this->get_widget_slug(), $cache, 'widget' );

			print $widget_string;
		}

		// end widget

		public function flush_widget_cache() {
			wp_cache_delete( $this->get_widget_slug(), 'widget' );
		}

		/**
		 * Processes the widget's options to be saved.
		 *
		 * @param array new_instance The new instance of values to be generated via the update.
		 * @param array old_instance The previous instance of values before the update.
		 */
		public function update( $new_instance, $old_instance ) {
			$instance['title']   = esc_attr( $new_instance['title'] );
			$instance['daytime'] = intval( $new_instance['daytime'] );
			$instance['orderby'] = esc_attr( $new_instance['orderby'] ); //id, object_id, object_type
			$instance['order']   = esc_attr( $new_instance['order'] );
			$type                = wp_unslash( $new_instance['type'] );  //object type: post, page, custom any post type or custom object type  ->  can be introduced in future
			if ( is_string( $type ) ) {
				$type = explode( ',', $type );
			}

			$type             = array_filter( $type );
			$instance['type'] = $type;

			//$instance['timezone'] = esc_attr($new_instance['timezone']);
			$instance['limit']      = intval( $new_instance['limit'] );
			$instance['show_count'] = intval( $new_instance['show_count'] );
			$instance['show_thumb'] = intval( $new_instance['show_thumb'] );

			return $instance;
		}//end update

		/**
		 * Generates the administration form for the widget.
		 *
		 * @param array instance The array of keys and values for the widget.
		 */
		public function form( $instance ) {
			$instance = wp_parse_args(
				(array) $instance,
				array(
					'title'      => esc_html__( 'Most Bookmarked Post', 'cbxwpbookmark' ),
					'limit'      => 10,
					//'timezone' => 'Africa/Accra',
					'daytime'    => '0',
					'orderby'    => 'object_count', //id, object_id, object_type, object_count
					'order'      => 'DESC',
					'type'       => array(), // possible post, page, any custom post type or object type if we introduce later, have plan
					'show_count' => 1,
					'show_thumb' => 1
				)
			);

			$title = esc_attr( $instance['title'] );

			$limit = intval( $instance['limit'] );
			$daytime    = intval( $instance['daytime'] );
			$orderby    = esc_attr( $instance['orderby'] ); //id, object_id, object_type, object_count
			$order      = esc_attr( $instance['order'] ); //desc, asc
			$type       = wp_unslash( $instance['type'] ); //post, page, custom post types or any custom object type
			$show_count = intval( $instance['show_count'] );
			$show_thumb = intval( $instance['show_thumb'] );

			if ( is_string( $type ) ) {
				$type = explode( ',', $type );
			}

			$type = array_filter( $type );

			// Display the admin form
			include ( plugin_dir_path( __FILE__ ) . 'views/admin.php' );
		}// end form

		public function getThumb( $id, $size = 'thumbnail', $attr = array() ) {
			if ( has_post_thumbnail( $id ) ) {
				$image = get_the_post_thumbnail( $id, $size, $attr );
			} elseif ( ( $parent_id = wp_get_post_parent_id( $id ) ) && has_post_thumbnail( $parent_id ) ) {
				$image = get_the_post_thumbnail( $parent_id, $size, $attr );
			}

			return $image;
		}

	}//end class CBXWPBookmarkedMost_Widget