<?php

// If accessed directly, exit
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 *
 * Check if the necessary class exists, if not
 * then we are requiring the file that holds the
 * class we need.
 *
 */
if ( ! class_exists( 'WP_List_Table' ) ) {
	require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
}

/**
 * This class adds custom column to the custom
 * post type list screen.
 *
 * @since 1.0
 *
 */
class WPAF_Admin_Columns extends WP_List_Table {

	/**
	 * Initializing the admin columns.
	 *
	 * @since 1.0
	 */
	public static function wpaf_columns_init() {
		/**
		 * This filter adds the column to the custom
		 * post type admin screen.
		 *
		 * @since 1.0
		 */
		add_filter( 'manage_edit-wpaf_coupons_columns', array( __CLASS__, 'wpaf_list_columns' ) );

		/**
		 * Setting up the columns to be sortable by orders.
		 *
		 * @since 1.0
		 */
		add_action( 'pre_get_posts', array( __CLASS__, 'setting_orderby' ) );

		/**
		 * Custom column cases we'll use to create the
		 * columns we'll add.
		 *
		 * @since 1.0
		 */
		add_action( 'manage_posts_custom_column', array( __CLASS__, 'wpaf_columns_cases' ), 10, 2 );

		/**
		 * Making the columns sortable.
		 *
		 * @since 1.0
		 */
		add_filter( 'manage_edit-wpaf_coupons_sortable_columns', array( __CLASS__, 'wpaf_column_sortable' ), 10, 2 );


			/**
			 * Adding custom columns to Coupon Category list.
			 *
			 * @since 1.0
			 */
			add_filter( 'manage_edit-wpaf_coupon_category_columns', array(
				__CLASS__,
				'wpaf_custom_taxonomy_columns'
			), 10, 2 );

			/**
			 * Adding content to custom columns in Coupon Category List.
			 *
			 * @since 1.0
			 */
			add_filter( 'manage_wpaf_coupon_category_custom_column', array(
				__CLASS__,
				'wpaf_custom_taxonomy_columns_content'
			), 10, 3 );

            /**
			 * Adding custom columns to Coupon Category list.
			 *
			 * @since 1.0
			 */
			add_filter( 'manage_edit-wpaf_coupon_vendor_columns', array(
				__CLASS__,
				'wpaf_vendor_taxonomy_columns'
			), 10, 2 );

            /**
			 * Adding content to custom columns in Coupon Category List.
			 *
			 * @since 1.0
			 */
			add_filter( 'manage_wpaf_coupon_vendor_custom_column', array(
				__CLASS__,
				'wpaf_vendor_taxonomy_columns_content'
			), 10, 3 );

	}

	/*
	* This function sets up the columns.
	* Adding the custom fields to the columns.
	*
	* @since 1.0
	* @param array $columns
	*/
	public static function wpaf_list_columns( $columns ) {

		/**
		 * This is an array of all the columns for the
		 * custom coupon post type admin screen.
		 *
		 * @since 1.0
		 */
		$wpaf_columns = array();

		if ( isset( $columns['cb'] ) ) {
			$wpaf_columns['cb'] = $columns['cb'];
		}

		if ( isset( $columns['title'] ) ) {
			$wpaf_columns['title'] = __( 'Title', 'affcoupon' );
		}

		if ( isset( $columns['author'] ) ) {
			$wpaf_columns['author'] = $columns['author'];
		}

		/**
		 * Adding custom fields data to the column array
		 *
		 * @since 1.0
		 */
		$wpaf_columns['coupon_type'] = __( 'Coupon Type', 'affcoupon' );
		$wpaf_columns['coupon_category']  = __( 'Category', 'affcoupon' );
        $wpaf_columns['coupon_vendor']    = __( 'Vendor','affcoupon' );
		$wpaf_columns['id']               = __( 'ID', 'affcoupon' );
		$wpaf_columns['coupon_shortcode'] = __( 'Shortcodes', 'affcoupon' );
		$wpaf_columns['coupon_expire']    = __( 'Expires', 'affcoupon' );

		/**
		 *
		 * This filters the columns headers.
		 * Using an array of the column headers.
		 *
		 */
		if ( has_filter( 'wpaf_filter_coupon_list_columns' ) ) {

			/**
			 * This will filter the admin coupon list columns headers.
			 *
			 * @param array $wpaf_columns an array of column headers.
			 *
			 */
			$wpaf_columns = apply_filters( 'wpaf_filter_coupon_list_columns', $wpaf_columns, $columns );
			$wpaf_columns = apply_filters( 'wpaf_filter_coupon_list_columns', $wpaf_columns, $columns );
		}

		/**
		 * Returning columns.
		 *
		 * @since 1.0
		 */
		return $wpaf_columns;
	}

	/**
	 * This adds the custom meta data to columns.
	 *
	 * @since 1.0
	 *
	 * @param $column
	 * @param $post_id
	 */
	public static function wpaf_columns_cases( $column, $post_id ) {

		/**
		 *
		 * This contains data from the current post in the loop.
		 * This allows us to use data from the post.
		 *
		 * @since 1.0
		 */
		global $post;

		/**
		 * Showing the custom fields in columns for corresponding
		 * post meta data from individual posts.
		 *
		 * @since 1.0
		 */
		switch ( $column ) {


				case 'id':
					echo esc_html( $post_id );
					break;

			case 'coupon_category':
				$terms = get_the_terms( $post_id, 'wpaf_coupon_category' );
				if ( ! empty( $terms ) ) {
					$out = array();

					foreach ( $terms as $term ) {
						$out[] = sprintf( '<a href="%s">%s</a>',
							esc_url( add_query_arg( array(
								'wpaf_coupon_category' => $term->slug,
								'post_type'            => $post->post_type
							), 'edit.php' ) ),
							esc_html( sanitize_term_field( 'name', $term->name, $term->term_id, 'cpt_coupon_category', 'display' ) )
						);
					}

						echo wp_kses_post( join( ', ', $out ) );

				} else {

					esc_html_e( 'No Category', 'affcoupon' );

				}
				break;

            case 'coupon_vendor':
                $terms = get_the_terms( $post_id, 'wpaf_coupon_vendor' );
				if ( ! empty( $terms ) ) {
					$out = array();
					foreach ( $terms as $term ) {
						$out[] = sprintf( '<a href="%s">%s</a>',
							esc_url( add_query_arg( array(
								'wpaf_coupon_vendor' => $term->slug,
								'post_type'            => $post->post_type
							), 'edit.php' ) ),
							esc_html( sanitize_term_field( 'name', $term->name, $term->term_id, 'cpt_coupon_vendor', 'display' ) )
						);
					}
						echo wp_kses_post( join( ', ', $out ) );
				} else {
					esc_html_e( 'No Vendor', 'affcoupon' );
				}
				break;

			case 'coupon_shortcode':
				$coupon_type = get_post_meta( $post_id, 'coupon_details_coupon-type', true );
				if ( $coupon_type === 'Image' ) {
						$shortcode = "[affcoupon id=" . $post_id . "]";
						echo esc_html( $shortcode );
					} else {
						$shortcode      = "[affcoupon id=" . $post_id . "]";
						$code_shortcode = "[affcoupon_btn id=" . $post_id . "]";
						echo esc_html( $shortcode ) . ' <br><br> ' . esc_html( $code_shortcode );
					}
				break;

			case 'coupon_details_coupon-code':
				$coupon_code = get_post_meta( $post_id, 'coupon_details_coupon-code-text', true );
				echo wp_kses_post( $coupon_code );
				break;

			case 'coupon_details_description':
					$description = get_post_meta( $post_id, 'coupon_details_description', true );
					echo wp_kses_post( $description );
					break;

			case 'coupon_details_link':
					$link = get_post_meta( $post_id, 'coupon_details_link', true );
					echo esc_url( $link );
					break;

			case 'coupon_type':
					$coupon_type = get_post_meta( $post_id, 'coupon_details_coupon-type', true );
					echo esc_html( $coupon_type );
					break;

			case 'coupon_expire':
				$today  = gmdate( 'd-m-Y' );
				$expire = get_post_meta( $post_id, 'coupon_details_expire-date', true );
                $expireDateFormat = get_option( 'wpaf_expiry-date-format' );
                $expireDateFormatFun = wpaf_getExpireDateFormatFun( $expireDateFormat );
				if ( ! empty ( $expire ) ) {
                    if ( (string)(int)$expire != $expire ) {
                        $expire =  strtotime( $expire );
                    }
					if ( $expire  >= strtotime( $today ) ) {
							echo esc_html( gmdate( $expireDateFormatFun, $expire ) );
					} elseif ( $expire < strtotime( $today ) ) {
						echo esc_html__( 'Expired', 'affcoupon' );
					}
				} else {
					echo esc_html__( "Doesn't Expire", 'affcoupon' );
				}
				break;

		}

		/**
		 * Filtering the coupon list column information.
		 *
		 * @since 1.0
		 */
		if ( has_filter( 'wpaf_filter_column_cases' ) ) {

			/**
			 * This filters the admin coupon list columns information
			 * for custom coupon post type.
			 *
			 * @since 1.0
			 *
			 * @param string $column data to display in the admin columns.
			 * @param int    $post_id id of the custom coupon post.
			 *
			 */
			apply_filters( 'wpaf_filter_column_cases', $column, $post_id );
			apply_filters( 'wpaf_filter_column_cases', $column, $post_id );
		}
	}

	/**
	 * This will make custom column sortable.
	 *
	 * @since 1.0
	 *
	 * @param array $columns array of the custom columns.
	 *
	 * @return array $columns
	 *
	 */
	public static function wpaf_column_sortable( $columns ) {

		/**
		 * Adding the custom fields to columns array.
		 *
		 * @since 1.0
		 */
		$columns['coupon_details_link']        = 'coupon_details_link';
		$columns['coupon_details_coupon-code'] = 'coupon_details_coupon-code';
		$columns['coupon_type']                = 'coupon_details_coupon-type';
		$columns['coupon_expire']              = 'coupon_details_expire-date';

		/**
		 * Returning the columns array after adding the custom fields.
		 *
		 * @since 1.0
		 */
		return $columns;
	}

	/**
	 * Setting the columns sorting order.
	 *
	 * @param $query
	 *
	 * @since 1.0
	 */
	public static function setting_orderby( $query ) {

		$orderby = $query->get( 'orderby' );

		if ( 'coupon_details_coupon-type' == $orderby ) {
			$query->set( 'meta_key', 'coupon_details_coupon-type' );
			$query->set( 'orderby', 'meta_value' );
		}

		if ( 'coupon_details_coupon-code' == $orderby ) {
			$query->set( 'meta_key', 'coupon_details_coupon-code-text' );
			$query->set( 'orderby', 'meta_value' );
		}

		if ( 'coupon_details_link' == $orderby ) {
			$query->set( 'meta_key', 'coupon_details_link' );
			$query->set( 'orderby', 'meta_value' );
		}

		if ( 'coupon_details_expire-date' == $orderby ) {
			$query->set( 'meta_key', 'coupon_details_expire-date' );
			$query->set( 'orderby', 'meta_value' );
		}

	}

	/**
	 * Custom coloumns for Coupon Category page.
	 *
	 * @param $columns
	 *
	 * @return array
	 * @since 1.0
	 */
	public static function wpaf_custom_taxonomy_columns( $columns ) {

		$columns = array(
			'cb'                 => '<input type="checkbox" />',
			'name'               => __( 'Name', 'affcoupon' ),
			'slug'               => __( 'Slug', 'affcoupon' ),
			'posts'              => __( 'Posts', 'affcoupon' ),
			'wpaf_cat_shortcode' => __( 'Shortcode', 'affcoupon' )
		);

		return $columns;
	}

	/**
	 * Content for custom taxonomy columns.
	 *
	 * @param $content
	 * @param $column_name
	 * @param $term_id
	 *
	 * @return string
	 *
	 * @since 1.0
	 */
	public static function Wpaf_custom_taxonomy_columns_content( $content, $column_name, $term_id ) {

		if ( 'wpaf_cat_id' == $column_name ) {
			$content = $term_id;
		}

		if ( 'wpaf_cat_shortcode' == $column_name ) {
			$content = '[affcoupon_loop cat=' . $term_id . ']';
		}

		return $content;
	}

        /**
	 * Custom coloumns for Coupon Vendor page.
	 *
	 * @param $columns
	 *
	 * @return array
	 * @since 1.0
	 */
	public static function wpaf_vendor_taxonomy_columns( $columns ) {

		$columns = array(
			'cb'                 => '<input type="checkbox" />',
			'name'               => __( 'Name', 'affcoupon' ),
			'slug'               => __( 'Slug', 'affcoupon' ),
			'posts'              => __( 'Posts', 'affcoupon' ),
			'wpaf_vend_shortcode' => __( 'Shortcode', 'affcoupon' )
		);

		return $columns;
	}

        /**
	 * Content for vendor taxonomy columns.
	 *
	 * @param $content
	 * @param $column_name
	 * @param $term_id
	 *
	 * @return string
	 *
	 * @since 1.0
	 */
	public static function Wpaf_vendor_taxonomy_columns_content( $content, $column_name, $term_id ) {

		if ( 'wpaf_vend_id' == $column_name ) {
			$content = $term_id;
		}

		if ( 'wpaf_vend_shortcode' == $column_name ) {
			$content = '[affcoupon_loop vend=' . $term_id . ']';
		}

		return $content;
	}
}