import { resultMessage } from './result_message.js';

/*
* @see https://developer.paypal.com/docs/checkout/standard/integrate/#link-integratebackend
*
*/
export async function onApprove(data, actions) {
	try {
		const fetch_approve_url = PLGNTLS_data.fetch_url + "/cipf_plugin/api/v1/orders/" + data.orderID + "/capture";
		const response = await PLGNTLS_fetch('/cipf_plugin/api/v1/orders/' + data.orderID + '/capture', {
			method: "POST",
			headers: {
				"Content-Type": "application/json",
			},
		});

		const orderData = await response.json();

		// Three cases to handle:
		//   (1) Recoverable INSTRUMENT_DECLINED -> call actions.restart()
		//   (2) Other non-recoverable errors -> Show a failure message
		//   (3) Successful transaction -> Show confirmation or thank you message
		// + hugogogo treatment error but success order

		const errorDetail = orderData?.details?.[0];

		if (errorDetail?.issue === "INSTRUMENT_DECLINED") {
			// (1) Recoverable INSTRUMENT_DECLINED -> call actions.restart()
			// recoverable state, per https://developer.paypal.com/docs/checkout/standard/customize/handle-funding-failures/
			return actions.restart();
		}
		else if (errorDetail) {
			// (2) Other non-recoverable errors -> Show a failure message
			throw new Error(`${errorDetail.description} (${orderData.debug_id})`);
		}
		else if (!orderData.purchase_units) {
			// Check if error was a server-side issue but PayPal confirmed payment
			if (orderData.ERROR_TREATMENT) {
				console.log("Capture result - Server processing error, but payment may be valid:",orderData);
				// Display problem message - payment succeeded on PayPal but failed locally
				// User stays on page to see the message
				resultMessage(PLGNTLS_data.paypal_message_problem);
			}
			else {
				throw new Error(JSON.stringify(orderData));
			}
		}
		else {
			// (3) Successful transaction -> Show confirmation or thank you message
			// Or go to another URL:  actions.redirect('thank_you.html');
			const transaction =
				orderData?.purchase_units?.[0]?.payments?.captures?.[0] ||
				orderData?.purchase_units?.[0]?.payments?.authorizations?.[0];
			console.log("Capture result - Success:",orderData);
			resultMessage(PLGNTLS_data.paypal_message_success);
			actions.redirect(PLGNTLS_data.paypal_redirection_success);
		}
	}
	catch (error) {
		console.error("Payment approval error:", error);
		resultMessage(PLGNTLS_data.paypal_message_failure);
		actions.redirect(PLGNTLS_data.paypal_redirection_failure);
	}
}