/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

// This tests the Privacy pane's Firefox Suggest UI.

"use strict";

ChromeUtils.defineESModuleGetters(this, {
  QuickSuggest: "resource:///modules/QuickSuggest.sys.mjs",
});

const CONTAINER_ID = "dataCollectionGroup";
const DATA_COLLECTION_TOGGLE_ID = "firefoxSuggestDataCollectionPrivacyToggle";
const LEARN_MORE_CLASS = "firefoxSuggestLearnMore";

// This test can take a while due to the many permutations some of these tasks
// run through, so request a longer timeout.
requestLongerTimeout(10);

// Clicks each of the checkboxes and toggles and makes sure the prefs and info box are updated.
add_task(async function clickCheckboxesOrToggle() {
  await openPreferencesViaOpenPreferencesAPI("privacy", { leaveOpen: true });

  let doc = gBrowser.selectedBrowser.contentDocument;
  let dataCollectionSection = doc.getElementById(CONTAINER_ID);
  dataCollectionSection.scrollIntoView();

  async function clickElement(id, eventName) {
    let element = doc.getElementById(id);
    let changed = BrowserTestUtils.waitForEvent(element, eventName);

    if (eventName == "toggle") {
      element = element.buttonEl;
    }

    EventUtils.synthesizeMouseAtCenter(
      element,
      {},
      gBrowser.selectedBrowser.contentWindow
    );
    await changed;
  }

  // Set initial state.
  await SpecialPowers.pushPrefEnv({
    set: [["browser.urlbar.quicksuggest.dataCollection.enabled", true]],
  });
  assertPrefUIState({
    [DATA_COLLECTION_TOGGLE_ID]: true,
  });

  // data collection toggle
  await clickElement(DATA_COLLECTION_TOGGLE_ID, "toggle");
  Assert.ok(
    !Services.prefs.getBoolPref(
      "browser.urlbar.quicksuggest.dataCollection.enabled"
    ),
    "quicksuggest.dataCollection.enabled is false after clicking data collection toggle"
  );
  assertPrefUIState({
    [DATA_COLLECTION_TOGGLE_ID]: false,
  });

  gBrowser.removeCurrentTab();
  await SpecialPowers.popPrefEnv();
});

// Clicks the learn-more links and checks the help page is opened in a new tab.
add_task(async function clickLearnMore() {
  await openPreferencesViaOpenPreferencesAPI("privacy", { leaveOpen: true });

  let doc = gBrowser.selectedBrowser.contentDocument;
  let dataCollectionSection = doc.getElementById(CONTAINER_ID);
  dataCollectionSection.scrollIntoView();

  // Set initial state so that the info box and learn more link are shown.
  await SpecialPowers.pushPrefEnv({
    set: [["browser.urlbar.quicksuggest.dataCollection.enabled", true]],
  });

  let learnMoreLinks = doc.querySelectorAll(
    `#${CONTAINER_ID} .` + LEARN_MORE_CLASS
  );
  Assert.equal(
    learnMoreLinks.length,
    1,
    "Expected number of learn-more links are present"
  );
  for (let link of learnMoreLinks) {
    Assert.ok(
      BrowserTestUtils.isVisible(link),
      "Learn-more link is visible: " + link.id
    );
  }

  let prefsTab = gBrowser.selectedTab;
  for (let link of learnMoreLinks) {
    let tabPromise = BrowserTestUtils.waitForNewTab(
      gBrowser,
      QuickSuggest.HELP_URL
    );
    info("Clicking learn-more link: " + link.id);
    Assert.ok(link.id, "Sanity check: Learn-more link has an ID");
    await BrowserTestUtils.synthesizeMouseAtCenter(
      "#" + link.id,
      {},
      gBrowser.selectedBrowser
    );
    info("Waiting for help page to load in a new tab");
    await tabPromise;
    gBrowser.removeCurrentTab();
    gBrowser.selectedTab = prefsTab;
  }

  gBrowser.removeCurrentTab();
  await SpecialPowers.popPrefEnv();
});

/**
 * Verifies the state of pref related to checkboxes or toggles.
 *
 * @param {object} stateByElementID
 *   Maps checkbox or toggle element IDs to booleans. Each boolean
 *   is the expected state of the corresponding ID.
 */
function assertPrefUIState(stateByElementID) {
  let doc = gBrowser.selectedBrowser.contentDocument;
  let container = doc.getElementById(CONTAINER_ID);
  let attr;
  Assert.ok(BrowserTestUtils.isVisible(container), "The container is visible");
  for (let [id, state] of Object.entries(stateByElementID)) {
    let element = doc.getElementById(id);
    if (element.tagName === "checkbox") {
      attr = "checked";
    } else if (element.tagName === "html:moz-toggle") {
      attr = "pressed";
    }
    Assert.equal(element[attr], state, "Expected state for ID: " + id);
  }
}