<?php

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

if ( ! class_exists( 'WPDesk_DPD_Tracker' ) ) {
	class WPDesk_DPD_Tracker {

		public function __construct() {
		}

		public function hooks() {
			add_filter( 'wpdesk_tracker_data', array( $this, 'wpdesk_tracker_data_dpd' ), 11 );
		}

		public function wpdesk_tracker_data_dpd( $data ) {
			$shipping_methods = WC()->shipping()->get_shipping_methods();
			if ( isset( $shipping_methods['dpd'] ) ) {
				$dpd = $shipping_methods['dpd'];
				$settings = $dpd->settings;

				$plugin_data = array();
				if ( isset( $settings['auto_create'] ) ) {
					$plugin_data['auto_create'] = $settings['auto_create'];
				}
				if ( isset( $settings['order_status'] ) ) {
					$plugin_data['order_status'] = $settings['order_status'];
				}
				if ( isset( $settings['complete_order'] ) ) {
					$plugin_data['complete_order'] = $settings['complete_order'];
				}
				if ( isset( $settings['label_format'] ) ) {
					$plugin_data['label_format'] = $settings['label_format'];
				}
				if ( isset( $settings['label_page_format'] ) ) {
					$plugin_data['label_page_format'] = $settings['label_page_format'];
				}
				if ( isset( $settings['label_type'] ) ) {
					$plugin_data['label_type'] = $settings['label_type'];
				}
				if ( isset( $settings['auto_print'] ) ) {
					$plugin_data['auto_print'] = $settings['auto_print'];
				}

				$plugin_data['parcels'] = array();
				$all_parcels = 0;
				global $wpdb;
				$sql = "
					SELECT count(p.ID) AS count, p.post_status AS post_status, min(p.post_date) AS min, max(p.post_date) AS max
					FROM {$wpdb->posts} p, {$wpdb->postmeta} m
					WHERE p.post_type = 'shipment'
						AND p.ID = m.post_id
						AND m.meta_key = '_integration'
						AND m.meta_value = 'dpd'
					GROUP BY p.post_status
				";
				$query = $wpdb->get_results( $sql );
				if ( $query ) {
					foreach ( $query as $row ) {
						$plugin_data['parcels'][$row->post_status] = $row->count;
						$all_parcels = $all_parcels + $row->count;
					}
				}
				$plugin_data['all_parcels'] = $all_parcels;

				$plugin_data['dpd_product'] = array();
				$sql = "
					SELECT count(p.ID) AS count, m2.meta_value AS dpd_product
					FROM {$wpdb->posts} p, {$wpdb->postmeta} m1, {$wpdb->postmeta} m2
					WHERE p.post_type = 'shipment'
						AND p.ID = m2.post_id
						AND m1.meta_key = '_integration'
						AND m1.meta_value = 'dpd'
						AND p.ID = m1.post_id
						AND m2.meta_key = '_dpd_product'
					GROUP BY m2.meta_value
				";
				$query = $wpdb->get_results( $sql );
				if ( $query ) {
					foreach ( $query as $row ) {
						$plugin_data['dpd_product'][$row->dpd_product] = $row->count;
					}
				}

				$sql = "
					SELECT TIMESTAMPDIFF(MONTH, min(p.post_date), max(p.post_date) )+1 AS months
					FROM {$wpdb->posts} p, {$wpdb->postmeta} m
					WHERE p.post_type = 'shipment'
						AND p.ID = m.post_id
						AND m.meta_key = '_integration'
						AND m.meta_value = 'dpd'
					GROUP BY p.post_status
				";
				$query = $wpdb->get_results( $sql );
				if ( $query ) {
					foreach ( $query as $row ) {
						if ( $row->months != 0 ) {
							$plugin_data['avg_parcels_per_month'] = floatval( $all_parcels )/floatval( $row->months );
						}
					}
				}
				$data['dpd'] = $plugin_data;

			}
			return $data;
		}

	}

}