<?php

/**
 * The file that defines the Add_Cart_Id_To_Order_Command Class.
 *
 * @link       https://www.activecampaign.com/
 * @since      1.0.0
 *
 * @package    Activecampaign_For_Woocommerce
 * @subpackage Activecampaign_For_Woocommerce/includes/commands
 */

use Activecampaign_For_Woocommerce_Executable_Interface as Executable;
use Activecampaign_For_Woocommerce_User_Meta_Service as User_Meta_Service;
use Activecampaign_For_Woocommerce_Sync_Guest_Abandoned_Cart_Command as Sync_Guest_Abandoned_Cart_Command;

/**
 * The Add_Cart_Id_To_Order_Command Class.
 *
 * This command is called when a cart is transitioning to an order, allowing us to
 * take our persistent cart id and add it to the meta table for the order.
 *
 * @since      1.0.0
 * @package    Activecampaign_For_Woocommerce
 * @subpackage Activecampaign_For_Woocommerce/includes/commands
 * @author     acteamintegrations <team-integrations@activecampaign.com>
 */
class Activecampaign_For_Woocommerce_Add_Cart_Id_To_Order_Command implements Executable {
	/**
	 * Executes the command.
	 *
	 * Checks if the user is logged in. If so, and there's a persistent cart,
	 * saves that cart id to the order meta table.
	 *
	 * @param mixed ...$args An array of arguments that may be passed in from the action/filter called.
	 *
	 * @since 1.0.0
	 * @return WC_Order
	 */
	public function execute( ...$args ) {
		/**
		 * The WooCommerce Order object that's in-progress of being saved.
		 *
		 * @var WC_Order $order
		 */
		$order = $args[0];

		$user_id = get_current_user_id();

		if ( ! $user_id ) {
			// Guest checkout
			$persistant_cart_id_name = Sync_Guest_Abandoned_Cart_Command::generate_externalcheckoutid(
				wc()->session->get_customer_id(),
				$order->get_billing_email()
			);
		} else {
			// Registered user (customer) checkout

			/**
			 * Delete the local cache of Hosted's order/cart ID so it isn't used
			 * erroneously on the next order this user places.
			 */
			User_Meta_Service::delete_current_cart_ac_id( $user_id );

			$cart_id = User_Meta_Service::get_current_cart_id( $user_id );

			if ( $cart_id ) {
				// Registered user (customer) initiated cart and completed checkout
				$persistant_cart_id_name = $cart_id;
			} else {
				// Registered user (customer) only completed checkout (guest initiated cart)

				/**
				 * In this case we have a user ID but no cart ID.
				 * This means a guest placed an order and converted
				 * to a customer during checkout.
				 *
				 * Example session cookie:
				 *
				 * Array
				 * (
				 *   [0] => 4a342d38b872b7ce2ab15d6f420aa80d
				 *   [1] => 1558289976
				 *   [2] => 1558286376
				 *   [3] => 69070d73cd7950bb08352af7f7ee4cc2
				 * )
				 *
				 * The first item is used to generate the externalcheckoutid so
				 * Hosted knows to convert the pending order to completed.
				 */
				$woocommerce_session_cookie = wc()->session->get_session_cookie();

				$woocommerce_session_hash = $woocommerce_session_cookie[0];

				$persistant_cart_id_name = Sync_Guest_Abandoned_Cart_Command::generate_externalcheckoutid(
					$woocommerce_session_hash,
					$order->get_billing_email()
				);
			}
		}

		// This ends up as the externalcheckoutid in Hosted
		$order->update_meta_data(
			ACTIVECAMPAIGN_FOR_WOOCOMMERCE_PERSISTANT_CART_ID_NAME,
			$persistant_cart_id_name
		);

		return $order;
	}
}