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<?php
/**
 * WooCommerce Square
 *
 * This source file is subject to the GNU General Public License v3.0
 * that is bundled with this package in the file license.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.gnu.org/licenses/gpl-3.0.html GNU General Public License v3.0 or later
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@woocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade WooCommerce Square to newer
 * versions in the future. If you wish to customize WooCommerce Square for your
 * needs please refer to https://docs.woocommerce.com/document/woocommerce-square/
 *
 * @author    WooCommerce
 * @copyright Copyright: (c) 2019, Automattic, Inc.
 * @license   http://www.gnu.org/licenses/gpl-3.0.html GNU General Public License v3.0 or later
 */

namespace WooCommerce\Square\Gateway;

defined( 'ABSPATH' ) || exit;

use Square\Models\Order;
use WooCommerce\Square\Utilities\Coupon_Utility;
use WooCommerce\Square\WC_Order_Square;

/**
 * The base Square gateway API class.
 *
 * @since 2.0.0
 */
class API extends \WooCommerce\Square\API {


	/** @var string location ID to use for requests */
	protected $location_id;

	/** @var \WC_Order order object associated with a request, if any */
	protected $order;

	/** @var string API ID */
	protected $api_id;

	/** @var bool whether the gateway is in sandbox mode */
	protected $is_sandbox = false;

	/**
	 * Constructs the class.
	 *
	 * @since 2.0.0
	 *
	 * @param string $access_token the API access token
	 * @param string $location_id location ID to use for requests
	 * @param bool   $is_sandbox whether the gateway is in sandbox mode
	 */
	public function __construct( $access_token, $location_id, $is_sandbox = null ) {

		parent::__construct( $access_token, $is_sandbox );

		$this->location_id = $location_id;
		$this->is_sandbox  = (bool) $is_sandbox;
	}


	/** Transaction methods *******************************************************************************************/


	/**
	 * Performs a credit card authorization for the given order.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order order object
	 * @return \WooCommerce\Square\API\Response
	 * @throws \Exception
	 */
	public function credit_card_authorization( \WC_Order $order ) {

		$request = new API\Requests\Payments( $this->get_location_id(), $this->client );

		$request->set_authorization_data( $order );

		$this->set_response_handler( API\Responses\Create_Payment::class );

		return $this->perform_request( $request );
	}


	/**
	 * Performs a credit card charge for the given order.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order order object
	 * @return \WooCommerce\Square\API\Response
	 * @throws \Exception
	 */
	public function credit_card_charge( \WC_Order $order ) {

		$request = new API\Requests\Payments( $this->get_location_id(), $this->client );

		$request->set_charge_data( $order );

		$this->set_response_handler( API\Responses\Create_Payment::class );

		return $this->perform_request( $request );
	}


	/**
	 * Performs a capture for a given authorized order.
	 *
	 * @since 4.6.0
	 *
	 * @param \WC_Order $order order object
	 * @return \WooCommerce\Square\API\Response
	 * @throws \Exception
	 */
	public function capture_payment( \WC_Order $order ) {
		$location_id = ! empty( $order->capture->location_id ) ? $order->capture->location_id : $this->get_location_id();

		// use the Payments API to capture orders that were processed with Square v2.2+
		if ( ! empty( $order->square_version ) && version_compare( $order->square_version, '2.2', '>=' ) ) {
			$request = new API\Requests\Payments( $location_id, $this->client );
		} else {
			$request = new API\Requests\Transactions( $location_id, $this->client );
		}

		$request->set_capture_data( $order );

		$this->set_response_handler( API\Response::class );

		return $this->perform_request( $request );
	}


	/**
	 * Performs a credit card capture for a given authorized order.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order order object
	 * @return \WooCommerce\Square\API\Response
	 * @throws \Exception
	 */
	public function credit_card_capture( \WC_Order $order ) {
		return $this->capture_payment( $order );
	}

	/**
	 * Performs a gift card charge for a given order.
	 *
	 * @param \WC_Order $order order object
	 * @since 3.7.0
	 * @return \WooCommerce\Square\Gateway\API\Responses\Create_Payment
	 */
	public function gift_card_charge( \WC_Order $order ) {
		$request = new API\Requests\Payments( $this->get_location_id(), $this->client );

		$request->set_gift_card_charge_data( $order );

		$this->set_response_handler( API\Responses\Create_Payment::class );

		return $this->perform_request( $request );
	}

	/**
	 * Performs a cash app pay authorization for the given order.
	 *
	 * @since 4.6.0
	 *
	 * @param \WC_Order $order order object
	 * @return \WooCommerce\Square\Gateway\API\Responses\Create_Payment
	 * @throws \Exception
	 */
	public function cash_app_pay_authorization( \WC_Order $order ) {
		return $this->cash_app_pay_charge( $order, false );
	}

	/**
	 * Performs a Cash App Pay charge for the given order.
	 *
	 * @since 4.5.0
	 *
	 * @param \WC_Order $order   Order object
	 * @param bool      $capture Whether to capture the charge or not.
	 * @return \WooCommerce\Square\Gateway\API\Responses\Create_Payment
	 * @throws \Exception
	 */
	public function cash_app_pay_charge( \WC_Order $order, $capture = true ) {

		$request = new API\Requests\Payments( $this->get_location_id(), $this->client );

		$request->set_charge_data( $order, $capture, true );

		$this->set_response_handler( API\Responses\Create_Payment::class );

		return $this->perform_request( $request );
	}


	/**
	 * Performs a refund for the given order.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order        WooCommerce order object.
	 * @param array     $payment_data Array of payment information necessary for a refund.
	 * @return \WooCommerce\Square\API\Response
	 * @throws \Exception
	 */
	public function refund( \WC_Order $order, $payment_data = array() ) {

		$location_id = ! empty( $order->refund->location_id ) ? $order->refund->location_id : $this->get_location_id();

		// only use the Refunds API to refund orders that took payment after Square v2.2
		if ( ! empty( $order->square_version ) && version_compare( $order->square_version, '2.2', '>=' ) ) {
			$request = new API\Requests\Refunds( $this->client );
		} else {
			$request = new API\Requests\Transactions( $location_id, $this->client );
		}

		$request->set_refund_data( $order, $payment_data );

		$this->set_response_handler( API\Responses\Refund::class );

		return $this->perform_request( $request );
	}


	/**
	 * Performs a void for the given order.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order order object
	 * @return \WooCommerce\Square\API\Response
	 * @throws \Exception
	 */
	public function void( \WC_Order $order ) {

		$location_id = ! empty( $order->refund->location_id ) ? $order->refund->location_id : $this->get_location_id();

		// use the Payments API to void/cancel orders that were processed after Square v2.2
		if ( ! empty( $order->square_version ) && version_compare( $order->square_version, '2.2', '>=' ) ) {
			$request = new API\Requests\Payments( $location_id, $this->client );
		} else {
			$request = new API\Requests\Transactions( $location_id, $this->client );
		}

		$request->set_void_data( $order );

		$this->set_response_handler( API\Response::class );

		return $this->perform_request( $request );
	}


	/**
	 * Creates a payment token for the given order.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order|WC_Order_Square $order the order object
	 * @return API\Responses\Create_Customer_Card|API\Responses\Create_Customer
	 * @throws \Exception
	 */
	public function tokenize_payment_method( $order ) {

		// a customer ID should've already been created, but there may be cases where the customer id is deleted/corrupted at Square
		if ( ! empty( $order->customer_id ) ) {

			$response = $this->create_customer_card( $order );

			if ( $response->has_error_code( 'NOT_FOUND' ) ) {
				$order->customer_id = '';
			} else {
				return $response;
			}
		}

		$response = $this->create_customer( $order );

		if ( ! $response->transaction_approved() ) {
			return $response;
		}

		// Update the user meta with the new customer id created for further API requests
		update_user_meta( $order->get_user_id(), 'wc_square_customer_id', $response->get_customer_id(), $order->customer_id );

		// Update the customer id on the order as well
		$order->square_customer_id = $order->customer_id = $response->get_customer_id();

		return $this->create_customer_card( $order );
	}


	/**
	 * Creates a payment token for the given order.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order the order object
	 * @return API\Responses\Create_Customer_Card
	 * @throws \Exception
	 */
	public function create_customer_card( \WC_Order $order ) {

		$request = new API\Requests\Card( $this->client );

		$request->set_create_card_data( $order );

		$this->set_response_handler( API\Responses\Create_Customer_Card::class );

		return $this->perform_request( $request );
	}


	/**
	 * Creates a new customer based on the given order.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order order object
	 * @return API\Responses\Create_Customer
	 * @throws \Exception
	 */
	public function create_customer( \WC_Order $order ) {

		$request = new API\Requests\Customers( $this->client );

		$request->set_create_customer_data( $order );

		$this->set_response_handler( API\Responses\Create_Customer::class );

		return $this->perform_request( $request );
	}


	/**
	 * Gets all tokenized payment methods for the customer.
	 *
	 * @since 2.0.0
	 *
	 * @param string $customer_id unique customer id
	 * @return API\Responses\Get_Customer
	 * @throws \Exception
	 */
	public function get_tokenized_payment_methods( $customer_id ) {

		$request = new API\Requests\Customers( $this->client );

		$request->set_get_customer_data( $customer_id );

		$this->set_response_handler( API\Responses\Get_Customer::class );

		return $this->perform_request( $request );
	}


	/**
	 * Removes the tokenized payment method (disables the card on Square).
	 *
	 * Safeguard: when this site is staging/local/development and uses production Square
	 * credentials, we skip the Square API call for admin/CLI/cron requests (e.g. merchant
	 * deleting users, privacy erasure) so that live customer cards are never disabled.
	 * When we skip, we still return a successful response so the local token is removed
	 * in WordPress only. See should_disable_card_on_square().
	 *
	 * @since 2.0.0
	 *
	 * @param string $token the payment method token (Square card ID)
	 * @param string $customer_id unique customer id
	 * @return API\Response
	 * @throws \Exception
	 */
	public function remove_tokenized_payment_method( $token, $customer_id ) {

		if ( ! $this->should_disable_card_on_square( $token, $customer_id ) ) {
			if ( function_exists( 'wc_square' ) ) {
				wc_square()->log(
					__( 'Skipped disabling card on Square (staging/non-production site using production credentials).', 'woocommerce-square' ),
					'square'
				);
			}
			// Return success so the token handler removes the token locally; Square is not called.
			return new API\Response( null );
		}

		$request = new API\Requests\Card( $this->client );

		$request->set_delete_card_data( $token );

		$this->set_response_handler( API\Response::class );

		return $this->perform_request( $request );
	}

	/**
	 * Determines whether we should call the Square API to disable the card when a token is removed.
	 *
	 * Used to avoid disabling live customer cards when token removal happens on a staging/
	 * local/development site that uses production Square credentials (e.g. merchant deletes
	 * users on staging → we must not call Square so live cards stay enabled).
	 *
	 * Logic:
	 * - Sandbox: always call Square (test data only).
	 * - Customer request (e.g. My Account "delete payment method"): always call Square.
	 * - Admin/CLI/cron on production site: call Square.
	 * - Admin/CLI/cron on non-production site (staging/local/dev or WCS duplicate): do not call Square.
	 *
	 * @since 5.3.3
	 *
	 * @param string $token       the payment method token (Square card ID).
	 * @param string $customer_id unique customer id.
	 *
	 * @return bool true to call the Square API and disable the card, false to skip the API call
	 */
	protected function should_disable_card_on_square( $token, $customer_id ) {

		// Sandbox: only test data is affected; always allow the API call.
		if ( $this->is_sandbox ) {
			$should_disable = true;
		} elseif (
			// Frontend/customer request (e.g. customer deleting their card on My Account).
			// We always allow the API call so the card is disabled on Square when the customer removes it.
			! ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) || wp_doing_cron() )
		) {
			$should_disable = true;
		} elseif ( $this->is_staging_or_non_production_site() ) {
			// Request is from admin, WP-CLI, or cron. On non-production do not call Square.
			$should_disable = false;
		} else {
			$should_disable = true;
		}

		/**
		 * Filters whether to call the Square API to disable the card when a saved payment method is removed.
		 *
		 * @since 5.3.3
		 *
		 * @param bool   $should_disable Whether to call Square (true) or skip and only remove the token locally (false).
		 * @param string $token          Square card ID.
		 * @param string $customer_id    Square customer id.
		 * @param API    $api            Gateway API instance.
		 */
		return (bool) apply_filters( 'woocommerce_square_should_disable_card_on_square', $should_disable, $token, $customer_id, $this );
	}

	/**
	 * Whether the current WordPress environment is staging, local, development, or a WCS duplicate site.
	 *
	 * @since 5.3.3
	 *
	 * @return bool true if the site is non-production (staging/local/dev or WooCommerce Subscriptions duplicate)
	 */
	protected function is_staging_or_non_production_site() {

		if ( function_exists( 'wp_get_environment_type' ) && 'production' !== wp_get_environment_type() ) {
			return true;
		}

		if ( class_exists( 'WCS_Staging' ) && method_exists( 'WCS_Staging', 'is_duplicate_site' ) && \WCS_Staging::is_duplicate_site() ) {
			return true;
		}

		return false;
	}

	/**
	 * Creates a new Square order from a WooCommerce order.
	 *
	 * @since 2.0.0
	 *
	 * @param string $location_id location ID
	 * @param \WC_Order $order
	 * @return Order
	 * @throws \Exception
	 */
	public function create_order( $location_id, \WC_Order $order ) {

		$request = new API\Requests\Orders( $this->client );

		$request->set_create_order_data( $location_id, $order );

		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		$response = $this->perform_request( $request );

		if ( $response->get_data() instanceof \Square\Models\CreateOrderResponse ) {
			return $response->get_data()->getOrder();
		}

		throw new \Exception( esc_html__( 'Failed to make request createOrder.', 'woocommerce-square' ) );
	}

	/**
	 * Retrieves a Square order.
	 *
	 * @param string $order_id The Square order ID.
	 *
	 * @return \Square\Models\Order
	 */
	public function retrieve_order( $order_id ) {
		$request = new API\Requests\Orders( $this->client );

		$request->set_retrieve_order_data( $order_id );

		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		$response = $this->perform_request( $request );

		return $response->get_data()->getOrder();
	}

	/**
	 * Calculates a Square order without creating one.
	 *
	 * This method follows the standard request/response pattern used throughout the plugin.
	 * It uses API\Requests\Orders::set_calculate_order_data() to prepare the request,
	 * and API.php::do_square_request() handles the actual API call as a special case
	 * via direct HTTP. The SDK's CalculateOrderRequest only supports order and proposed_rewards
	 * (loyalty); we need to send proposed_discount_codes (discount code IDs), so the request
	 * is made in do_square_request() using wp_remote_post.
	 *
	 * @param \WC_Order|null       $order                   Optional. WooCommerce order object. Can be null when called from cart context.
	 * @param \Square\Models\Order $square_order            Square order object to calculate.
	 * @param array                $proposed_discount_codes Optional. Array of discount code IDs to propose for calculation.
	 * @param bool                 $return_raw_response     Optional. If true, returns array with both order and raw response data.
	 *
	 * @return \Square\Models\Order|array Returns Order object, or array with 'order' and 'raw_response' if $return_raw_response is true.
	 * @throws \Exception
	 */
	public function calculate_order( $order, \Square\Models\Order $square_order, array $proposed_discount_codes = array(), $return_raw_response = false ) {
		// Create a new Orders request object following the standard pattern.
		$request = new API\Requests\Orders( $this->client );

		// Set the request data - this stores the order, discount codes, and flags.
		// The actual API call will be handled in API.php::do_square_request().
		$request->set_calculate_order_data( $order, $square_order, $proposed_discount_codes, $return_raw_response );

		// Set the response handler to use the standard API Response class.
		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		// Perform the request - this will call API.php::do_square_request() which
		// handles calculateOrder via direct HTTP so we can send proposed_discount_codes.
		$response = $this->perform_request( $request );

		// Get the calculated order from the response.
		$calculated_order = $response->get_data();

		// If raw response was requested, return both the parsed order and raw JSON data.
		// The raw response contains per-line-item discount details that aren't easily
		// accessible from the Order object, which is needed for accurate discount display.
		if ( $return_raw_response ) {
			// Get raw response from request object (populated by do_square_request)
			$raw_response = $request->raw_calculate_order_response;
			return array(
				'order'        => $calculated_order,
				'raw_response' => $raw_response,
			);
		}

		// Return the calculated order object.
		return $calculated_order;
	}

	/**
	 * Updates a Square order.
	 *
	 * @param \WC_Order            $order        Woo order object.
	 * @param \Square\Models\Order $square_order Square order object.
	 */
	public function update_order( \WC_Order $order, \Square\Models\Order $square_order ) {
		$request = new API\Requests\Orders( $this->client );

		$request->set_update_order_data( $order, $square_order );

		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		$response = $this->perform_request( $request );

		return $response->get_data()->getOrder();
	}

	/**
	 * Creates a Redemption to link a Square discount code to a Square order.
	 *
	 * @since 5.3.0
	 *
	 * @param string $discount_code_id The Square discount code ID.
	 * @param string $order_id          The Square order ID.
	 * @param string $idempotency_key   Optional. Idempotency key for the request.
	 * @return array|WP_Error Redemption object data or WP_Error on failure.
	 */
	public function create_redemption( $discount_code_id, $order_id, $idempotency_key = null ) {
		if ( empty( $discount_code_id ) || empty( $order_id ) ) {
			return new \WP_Error( 'missing_parameters', 'discount_code_id and order_id are required.' );
		}

		if ( empty( $idempotency_key ) ) {
			$idempotency_key = wc_square()->get_idempotency_key( 'redemption_' . $discount_code_id . '_' . $order_id );
		}

		$request_body = array(
			'idempotency_key' => $idempotency_key,
			'redemption'      => array(
				'order_id' => $order_id,
			),
		);

		$path   = 'discount-codes/' . rawurlencode( $discount_code_id ) . '/redemptions';
		$result = Coupon_Utility::square_api_post( $path, $request_body );

		if ( is_wp_error( $result ) ) {
			return $result;
		}

		$data = isset( $result['body'] ) ? $result['body'] : array();

		return isset( $data['redemption'] ) ? $data['redemption'] : $data;
	}

	/**
	 * Updates the payment total of an existing payment.
	 *
	 * @param \WC_Order $order  The WooCommerce order object.
	 * @param float     $amount The new payment total.
	 *
	 * @return \Square\Models\Payment
	 */
	public function update_payment( \WC_Order $order, float $amount ) {
		$request = new API\Requests\Payments( $this->get_location_id(), $this->client );

		$request->set_update_payment_data( $order, $amount );

		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		$response = $this->perform_request( $request );

		return $response->get_data()->getPayment();
	}

	/**
	 * Adjusts an existing Square order by amount.
	 * When Square redemption is used, positive adjustments use a service charge (not a line item) so the amount is not eligible for coupon discount.
	 * When no Square coupon is used, positive adjustments use a line item (original plugin behavior).
	 *
	 * @since 2.0.4
	 *
	 * @param string                    $location_id          Square location ID.
	 * @param \WC_Order                 $order                WooCommerce order.
	 * @param int                       $version              Current 'version' value of Square order.
	 * @param int                       $amount               Adjustment in smallest unit (cents). Positive = add, negative = discount.
	 * @param \Square\Models\Order|null $square_coupon_in_use Current Square order when redemption used (use service charge); null = use line item.
	 * @return \Square\Models\Order
	 * @throws \Exception
	 */
	public function adjust_order( $location_id, \WC_Order $order, $version, $amount, $square_coupon_in_use = null ) {

		$request = new API\Requests\Orders( $this->client );

		if ( $amount > 0 ) {
			/**
			 * When Square redemption is used, pass current order so adjustment is a service charge (not discounted again); otherwise line item.
			 * This is to avoid discount applying to the adjustment again.
			 */
			if ( null !== $square_coupon_in_use ) {
				$request->add_service_charge_order_data( $location_id, $order, $version, $amount, $square_coupon_in_use );
			} else {
				$request->add_line_item_order_data( $location_id, $order, $version, $amount );
			}
		} else {
			$request->add_discount_order_data( $location_id, $order, $version, -1 * $amount );
		}
		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		$response = $this->perform_request( $request );

		if ( $response->get_data() instanceof \Square\Models\UpdateOrderResponse ) {
			return $response->get_data()->getOrder();
		}

		throw new \Exception( esc_html__( 'Failed to make request updateOrder.', 'woocommerce-square' ) );
	}

	/**
	 * Performs payments when a transaction is done using multiple payment methods.
	 * For example: Gift Card + Square Credit Card.
	 *
	 * @param array  $payment_ids Array of payment IDs.
	 * @param string $order_id    Square order ID.
	 * @return \WooCommerce\Square\Gateway\API\Responses\Create_PayOrder
	 * @since 3.9.0
	 */
	public function pay_order( $payment_ids, $order_id ) {
		$request = new API\Requests\Orders( $this->client );

		$request->set_pay_order_data( $payment_ids, $order_id );

		$this->set_response_handler( \WooCommerce\Square\Gateway\API\Responses\Create_PayOrder::class );

		return $this->perform_request( $request );
	}


	/**
	 * Gets an existing transaction.
	 *
	 * @since 2.0.0
	 *
	 * @param string $transaction_id transaction ID
	 * @param string $location_id location ID
	 * @return API\Responses\Charge
	 * @throws \Exception
	 */
	public function get_transaction( $transaction_id, $location_id = '' ) {

		if ( ! $location_id ) {
			$location_id = $this->get_location_id();
		}

		$request = new API\Requests\Transactions( $location_id, $this->client );

		$request->set_get_transaction_data( $transaction_id );

		$this->set_response_handler( API\Responses\Charge::class );

		return $this->perform_request( $request );
	}


	/**
	 * Creates a Gift Card.
	 *
	 * @since 4.2.0
	 *
	 * @param $order_id Line item order ID.
	 * @return API\Responses\Get_Gift_Card
	 */
	public function create_gift_card( $order_id ) {
		$request = new API\Requests\Gift_Card( $this->location_id, $this->client );

		$request->set_create_gift_card_data( $order_id );

		$this->set_response_handler( API\Responses\Get_Gift_Card::class );

		return $this->perform_request( $request );
	}

	/**
	 * Activates a Gift Card which is in a pending state.
	 *
	 * @since 4.2.0
	 *
	 * @param string $gift_card_id The ID of the inactive Gift Card.
	 * @param string $order_id     Square Order ID associated with the Gift Card.
	 * @param string $line_item_id Line Item ID for the Gift Card.
	 */
	public function activate_gift_card( $gift_card_id, $order_id, $line_item_id ) {
		$request = new API\Requests\Gift_Card_Activities( $this->location_id, $this->client );

		$request->set_activate_gift_card_data( $gift_card_id, $order_id, $line_item_id );

		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		return $this->perform_request( $request );
	}

	/**
	 * Loads an existing gift card with an amount.
	 *
	 * @since 4.2.0
	 *
	 * @param string $gan          The gift card number.
	 * @param string $order_id     The Square order ID.
	 * @param string $line_item_id The line item order ID for the gift card.
	 */
	public function load_gift_card( $gan, $order ) {
		$request = new API\Requests\Gift_Card_Activities( $this->location_id, $this->client );

		$request->set_load_gift_card_data( $gan, $order );

		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		return $this->perform_request( $request );
	}

	/**
	 * Sets data to refund/adjust decrement funds in a gift card.
	 *
	 * @since 4.2.0
	 *
	 * @param string               $gan          Gift card number.
	 * @param \Square\Models\Money $amount_money The amount to be refunded.
	 * @param \WC_Order            $order        WooCommerce order.
	 */
	public function refund_gift_card( $gan, $amount_money, $order ) {
		$request = new API\Requests\Gift_Card_Activities( $this->location_id, $this->client );

		$request->set_gift_card_refund_data( $gan, $amount_money, $order );

		$this->set_response_handler( \WooCommerce\Square\API\Response::class );

		return $this->perform_request( $request );
	}

	/**
	 * Gets an existing payment.
	 *
	 * @since 2.2.0
	 *
	 * @param string $payment_id transaction ID
	 * @return API\Responses\Create_Payment
	 * @throws \Exception
	 */
	public function get_payment( $payment_id ) {

		$request = new API\Requests\Payments( $this->get_location_id(), $this->client );

		$request->set_get_payment_data( $payment_id );

		$this->set_response_handler( API\Responses\Create_Payment::class );

		return $this->perform_request( $request );
	}

	/**
	 * Cancel authorized payment.
	 *
	 * @since 4.6.0
	 *
	 * @param string $payment_id transaction ID
	 * @return API\Responses\Create_Payment
	 * @throws \Exception
	 */
	public function cancel_payment( $payment_id ) {

		$request = new API\Requests\Payments( $this->get_location_id(), $this->client );

		$request->set_cancel_payment_data( $payment_id );

		$this->set_response_handler( API\Responses\Create_Payment::class );

		return $this->perform_request( $request );
	}

	/**
	 * Retrieves a gift card using nonce.
	 *
	 * @since 3.7.0
	 *
	 * @param string $gan Gift card number.
	 *
	 * @return API\Responses\Get_Gift_Card
	 */
	public function retrieve_gift_card( $nonce = '' ) {

		$request = new API\Requests\Gift_Card( $this->get_location_id(), $this->client );

		$request->set_retrieve_gift_card_data( $nonce );

		$this->set_response_handler( API\Responses\Get_Gift_Card::class );

		return $this->perform_request( $request );
	}

	/**
	 * Retrieves a gift card using GAN.
	 *
	 * @since 4.2.0
	 *
	 * @param string $gan Gift card number.
	 *
	 * @return API\Responses\Get_Gift_Card
	 */
	public function retrieve_gift_card_by_gan( $gan = '' ) {

		$request = new API\Requests\Gift_Card( $this->get_location_id(), $this->client );

		$request->set_retrieve_gift_card_from_gan_data( $gan );

		$this->set_response_handler( API\Responses\Get_Gift_Card::class );

		return $this->perform_request( $request );
	}

	/**
	 * Searches for Square orders.
	 *
	 * @since 5.0.0
	 *
	 * @param array  $location_ids Array of location IDs.
	 * @param string $start_time   Start time in the RFC 3339 format for the search.
	 * @param int    $limit        Number of orders to retrieve.
	 * @param string $cursor       Cursor for pagination.
	 * @param string $end_time     Optional end time in the RFC 3339 format for the search.
	 *
	 * @return array Array containing orders and cursor.
	 *
	 * @throws \Exception
	 */
	public function search_orders( $location_ids, $start_time, $limit = 100, $cursor = '', $end_time = '' ) {

		$request = new API\Requests\Orders( $this->client );

		$request->set_search_orders_data( $location_ids, $start_time, $limit, $cursor, $end_time );

		$this->set_response_handler( API\Responses\Search_Orders::class );

		$response = $this->perform_request( $request );

		if ( $response->get_data() instanceof \Square\Models\SearchOrdersResponse ) {
			return $response->get_response_data();
		}

		throw new \Exception(
			sprintf(
				/* translators: %s: Error details from the searchOrders request. */
				esc_html__( 'Failed to make request searchOrders: %s', 'woocommerce-square' ),
				esc_html( $response->get_data() )
			)
		);
	}

	/**
	 * Validates the parsed response.
	 *
	 * @since 2.0.0
	 *
	 * @return bool
	 * @throws \Exception
	 */
	protected function do_post_parse_response_validation() {

		// gateway responses need to get through to check API\Response::transaction_approved()
		if ( $this->get_response() instanceof API\Response ) {
			return true;
		}

		return parent::do_post_parse_response_validation();
	}


	/** Conditional methods *******************************************************************************************/


	/**
	 * Determines if this API supports getting a customer's tokenized payment methods.
	 *
	 * @since 2.0.0
	 *
	 * @return bool
	 */
	public function supports_get_tokenized_payment_methods() {

		return true;
	}


	/**
	 * Determines if this API supports updating tokenized payment methods.
	 *
	 * @see Payment_Gateway_API::update_tokenized_payment_method()
	 *
	 * @since 2.0.0
	 *
	 * @return bool
	 */
	public function supports_update_tokenized_payment_method() {

		return false;
	}


	/**
	 * Determines if this API supports removing a tokenized payment method.
	 *
	 * @since 2.0.0
	 *
	 * @return bool
	 */
	public function supports_remove_tokenized_payment_method() {

		return true;
	}


	/** Getter methods ************************************************************************************************/


	/**
	 * Gets the location ID to be used for requests.
	 *
	 * @since 2.0.0
	 *
	 * @return string
	 */
	protected function get_location_id() {

		return $this->location_id;
	}


	/**
	 * Gets the object associated with the request, if any.
	 *
	 * @since 2.0.0
	 *
	 * @return \WC_Order
	 */
	public function get_order() {

		return $this->order;
	}


	/**
	 * Gets the API ID.
	 *
	 * @since 2.0.0
	 *
	 * @return string
	 */
	protected function get_api_id() {

		return $this->api_id ? $this->api_id : $this->get_plugin()->get_gateway()->get_id();
	}


	/** No-op methods *************************************************************************************************/


	/**
	 * The gateway API does not support check debits.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order order object
	 */
	public function check_debit( \WC_Order $order ) {}


	/**
	 * Updates a tokenized payment method.
	 *
	 * Square API does not allow updating a stored card's address, and instead recommends deleting and re-adding a new
	 * card. This isn't an option for us since subscriptions would break any time an address is updated.
	 *
	 * @since 2.0.0
	 *
	 * @param \WC_Order $order order object
	 */
	public function update_tokenized_payment_method( \WC_Order $order ) {}

	/**
	 * Set API ID to used for logging.
	 *
	 * @param string $api_id
	 * @return void
	 */
	public function set_api_id( $api_id ) {
		$this->api_id = $api_id;
	}
}