<?php
/**
 * WooCommerce Orders Tracking
 *
 * @package WooCommerce\Tracks
 */

defined( 'ABSPATH' ) || exit;

/**
 * This class adds actions to track usage of WooCommerce Orders.
 */
class WC_Orders_Tracking {
	/**
	 * Init tracking.
	 */
	public function init() {
		add_action( 'woocommerce_order_status_changed', array( $this, 'track_order_status_change' ), 10, 3 );
		add_action( 'load-edit.php', array( $this, 'track_orders_view' ), 10 );
		add_action( 'pre_post_update', array( $this, 'track_created_date_change' ), 10 );
		// WC_Meta_Box_Order_Actions::save() hooks in at priority 50.
		add_action( 'woocommerce_process_shop_order_meta', array( $this, 'track_order_action' ), 51 );
		add_action( 'load-post-new.php', array( $this, 'track_add_order_from_edit' ), 10 );
		add_filter( 'woocommerce_shop_order_search_results', array( $this, 'track_order_search' ), 10, 3 );
	}

	/**
	 * Send a track event when on the Order Listing page, and search results are being displayed.
	 *
	 * @param array  $order_ids Array of order_ids that are matches for the search.
	 * @param string $term The string that was used in the search.
	 * @param array  $search_fields Fields that were used in the original search.
	 */
	public function track_order_search( $order_ids, $term, $search_fields ) {
		// Since `woocommerce_shop_order_search_results` can run in the front-end context, exit if get_current_screen isn't defined.
		if ( ! function_exists( 'get_current_screen' ) ) {
			return $order_ids;
		}

		$screen = get_current_screen();

		// We only want to record this track when the filter is executed on the order listing page.
		if ( 'edit-shop_order' === $screen->id ) {
			// we are on the order listing page, and query results are being shown.
			WC_Tracks::record_event( 'orders_view_search' );
		}

		return $order_ids;
	}

	/**
	 * Send a Tracks event when the Orders page is viewed.
	 */
	public function track_orders_view() {
		if ( isset( $_GET['post_type'] ) && 'shop_order' === wp_unslash( $_GET['post_type'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

			// phpcs:disable WordPress.Security.NonceVerification, WordPress.Security.ValidatedSanitizedInput
			$properties = array(
				'status' => isset( $_GET['post_status'] ) ? sanitize_text_field( $_GET['post_status'] ) : 'all',
			);
			// phpcs:enable

			WC_Tracks::record_event( 'orders_view', $properties );
		}
	}

	/**
	 * Send a Tracks event when an order status is changed.
	 *
	 * @param int    $id Order id.
	 * @param string $previous_status the old WooCommerce order status.
	 * @param string $next_status the new WooCommerce order status.
	 */
	public function track_order_status_change( $id, $previous_status, $next_status ) {
		$order = wc_get_order( $id );

		$properties = array(
			'order_id'        => $id,
			'next_status'     => $next_status,
			'previous_status' => $previous_status,
			'date_created'    => $order->get_date_created() ? $order->get_date_created()->date( 'Y-m-d' ) : '',
			'payment_method'  => $order->get_payment_method(),
			'order_total'     => $order->get_total(),
		);

		WC_Tracks::record_event( 'orders_edit_status_change', $properties );
	}

	/**
	 * Send a Tracks event when an order date is changed.
	 *
	 * @param int $id Order id.
	 */
	public function track_created_date_change( $id ) {
		$post_type = get_post_type( $id );

		if ( 'shop_order' !== $post_type ) {
			return;
		}

		if ( 'auto-draft' === get_post_status( $id ) ) {
			return;
		}

		$order        = wc_get_order( $id );
		$date_created = $order->get_date_created() ? $order->get_date_created()->date( 'Y-m-d H:i:s' ) : '';
		// phpcs:disable WordPress.Security.NonceVerification
		$new_date = sprintf(
			'%s %2d:%2d:%2d',
			isset( $_POST['order_date'] ) ? wc_clean( wp_unslash( $_POST['order_date'] ) ) : '',
			isset( $_POST['order_date_hour'] ) ? wc_clean( wp_unslash( $_POST['order_date_hour'] ) ) : '',
			isset( $_POST['order_date_minute'] ) ? wc_clean( wp_unslash( $_POST['order_date_minute'] ) ) : '',
			isset( $_POST['order_date_second'] ) ? wc_clean( wp_unslash( $_POST['order_date_second'] ) ) : ''
		);
		// phpcs:enable

		if ( $new_date !== $date_created ) {
			$properties = array(
				'order_id' => $id,
				'status'   => $order->get_status(),
			);

			WC_Tracks::record_event( 'order_edit_date_created', $properties );
		}
	}

	/**
	 * Track order actions taken.
	 *
	 * @param int $order_id Order ID.
	 */
	public function track_order_action( $order_id ) {
		// phpcs:disable WordPress.Security.NonceVerification
		if ( ! empty( $_POST['wc_order_action'] ) ) {
			$order      = wc_get_order( $order_id );
			$action     = wc_clean( wp_unslash( $_POST['wc_order_action'] ) );
			$properties = array(
				'order_id' => $order_id,
				'status'   => $order->get_status(),
				'action'   => $action,
			);

			WC_Tracks::record_event( 'order_edit_order_action', $properties );
		}
		// phpcs:enable
	}

	/**
	 * Track "add order" button on the Edit Order screen.
	 */
	public function track_add_order_from_edit() {
		// phpcs:ignore WordPress.Security.NonceVerification, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
		if ( isset( $_GET['post_type'] ) && 'shop_order' === wp_unslash( $_GET['post_type'] ) ) {
			$referer = wp_get_referer();

			if ( $referer ) {
				$referring_page = wp_parse_url( $referer );
				$referring_args = array();
				$post_edit_page = wp_parse_url( admin_url( 'post.php' ) );

				if ( ! empty( $referring_page['query'] ) ) {
					parse_str( $referring_page['query'], $referring_args );
				}

				// Determine if we arrived from an Order Edit screen.
				if (
					$post_edit_page['path'] === $referring_page['path'] &&
					isset( $referring_args['action'] ) &&
					'edit' === $referring_args['action'] &&
					isset( $referring_args['post'] ) &&
					'shop_order' === get_post_type( $referring_args['post'] )
				) {
					WC_Tracks::record_event( 'order_edit_add_order' );
				}
			}
		}
	}
}