<?php
/**
 * Class file for WCPay\Core\Server\Request\Get_Charge.
 *
 * @package WooCommerce Payments
 */

namespace WCPay\Core\Server\Request;

use WC_Payments;
use WCPay\Core\Exceptions\Server\Request\Invalid_Request_Parameter_Exception;
use WCPay\Core\Server\Request;
use WC_Payments_API_Client;

/**
 * Request class for getting intents.
 */
class Get_Charge extends Request {

	/**
	 * Specifies the WordPress hook name that will be triggered upon calling the send() method.
	 *
	 * @var string
	 */
	protected $hook = 'wcpay_get_charge_request';
	/**
	 * Sets the intent ID, which will be used in the request URL.
	 *
	 * @param string $id Sets the intent ID, which will be used in the request URL.
	 *
	 * @throws Invalid_Request_Parameter_Exception
	 */
	protected function set_id( string $id ) {
		/**
		 * `py_XYZ` objects are identical to charges, and sometimes occur
		 * whenever the payment was made in a non-deposit currency.
		 */
		$this->validate_stripe_id( $id, [ 'ch', 'py' ] );
		$this->id = $id;
	}

	/**
	 * Returns the request's API.
	 *
	 * @return string
	 * @throws Invalid_Request_Parameter_Exception
	 */
	public function get_api(): string {
		return WC_Payments_API_Client::CHARGES_API . '/' . $this->id;
	}

	/**
	 * Returns the request's HTTP method.
	 */
	public function get_method(): string {
		return 'GET';
	}
	/**
	 * Formats the response from the server.
	 *
	 * @param  mixed $response The response from `WC_Payments_API_Client::request`.
	 * @return mixed           Either the same response, or the correct object.
	 */
	public function format_response( $response ) {
		if ( is_wp_error( $response ) ) {
			return $response;
		}

		return $this->api_client->add_additional_info_to_charge( $response );
	}
}