/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

/* eslint-env mozilla/chrome-script */

"use strict";

const { XPCOMUtils } = ChromeUtils.importESModule(
  "resource://gre/modules/XPCOMUtils.sys.mjs"
);

const paymentSrv = Cc[
  "@mozilla.org/dom/payments/payment-request-service;1"
].getService(Ci.nsIPaymentRequestService);

function emitTestFail(message) {
  sendAsyncMessage("test-fail", message);
}
function emitTestPass(message) {
  sendAsyncMessage("test-pass", message);
}

let expectedRequestOption = null;
let expectedUpdatedOption = null;
let changeShippingOption = null;

function showResponse(requestId) {
  const showResponseData = Cc[
    "@mozilla.org/dom/payments/general-response-data;1"
  ].createInstance(Ci.nsIGeneralResponseData);
  showResponseData.initData({});
  const showActionResponse = Cc[
    "@mozilla.org/dom/payments/payment-show-action-response;1"
  ].createInstance(Ci.nsIPaymentShowActionResponse);
  showActionResponse.init(
    requestId,
    Ci.nsIPaymentActionResponse.PAYMENT_ACCEPTED,
    "testing-payment-method", // payment method
    showResponseData, // payment method data
    "Bill A. Pacheco", // payer name
    "", // payer email
    ""
  ); // payer phone
  paymentSrv.respondPayment(
    showActionResponse.QueryInterface(Ci.nsIPaymentActionResponse)
  );
}

function showRequest(requestId) {
  let request = paymentSrv.getPaymentRequestById(requestId);
  const message =
    "request.shippingOption should be " +
    expectedRequestOption +
    " when calling show(), but got " +
    request.shippingOption +
    ".";
  if (request.shippingOption != expectedRequestOption) {
    emitTestFail(message);
  } else {
    emitTestPass(message);
  }
  if (changeShippingOption) {
    paymentSrv.changeShippingOption(requestId, changeShippingOption);
  } else {
    showResponse(requestId);
  }
}

function updateRequest(requestId) {
  let request = paymentSrv.getPaymentRequestById(requestId);
  const message =
    "request.shippingOption should be " +
    expectedUpdatedOption +
    " when calling updateWith(), but got " +
    request.shippingOption +
    ".";
  if (request.shippingOption != expectedUpdatedOption) {
    emitTestFail(message);
  } else {
    emitTestPass(message);
  }
  showResponse(requestId);
}

const TestingUIService = {
  showPayment: showRequest,
  abortPayment(requestId) {},
  completePayment(requestId) {
    let request = paymentSrv.getPaymentRequestById(requestId);
    let completeResponse = Cc[
      "@mozilla.org/dom/payments/payment-complete-action-response;1"
    ].createInstance(Ci.nsIPaymentCompleteActionResponse);
    completeResponse.init(
      requestId,
      Ci.nsIPaymentActionResponse.COMPLETE_SUCCEEDED
    );
    paymentSrv.respondPayment(
      completeResponse.QueryInterface(Ci.nsIPaymentActionResponse)
    );
  },
  updatePayment: updateRequest,
  closePayment(requestId) {},
  QueryInterface: ChromeUtils.generateQI(["nsIPaymentUIService"]),
};

paymentSrv.setTestingUIService(
  TestingUIService.QueryInterface(Ci.nsIPaymentUIService)
);

addMessageListener("set-expected-results", function(results) {
  expectedRequestOption = results.requestResult;
  expectedUpdatedOption = results.responseResult;
  changeShippingOption = results.changeOptionResult;
});

addMessageListener("teardown", function() {
  paymentSrv.setTestingUIService(null);
  sendAsyncMessage("teardown-complete");
});