/* eslint-env webextensions */

const CB_PREF = "browser.contentblocking.enabled";
const CB_UI_PREF = "browser.contentblocking.ui.enabled";
const TP_PREF = "privacy.trackingprotection.enabled";
const TP_PBM_PREF = "privacy.trackingprotection.pbmode.enabled";
const TP_LIST_PREF = "urlclassifier.trackingTable";
const FB_PREF = "browser.fastblock.enabled";

// Checks that the content blocking toggle follows and changes the CB pref.
add_task(async function testContentBlockingToggle() {
  SpecialPowers.pushPrefEnv({set: [
    [CB_UI_PREF, true],
  ]});

  await openPreferencesViaOpenPreferencesAPI("privacy", {leaveOpen: true});
  let doc = gBrowser.contentDocument;

  let contentBlockingToggle = doc.getElementById("contentBlockingToggle");
  let contentBlockingCheckbox = doc.getElementById("contentBlockingCheckbox");
  let contentBlockingToggleLabel = doc.getElementById("contentBlockingToggleLabel");

  Services.prefs.setBoolPref(CB_PREF, true);
  await TestUtils.waitForCondition(() => contentBlockingToggleLabel.textContent == "ON", "toggle label is correct");

  ok(contentBlockingCheckbox.checked, "Checkbox is checked when CB is on");
  is(contentBlockingToggle.getAttribute("aria-pressed"), "true", "toggle button has correct aria attribute");

  Services.prefs.setBoolPref(CB_PREF, false);
  await TestUtils.waitForCondition(() => contentBlockingToggleLabel.textContent == "OFF", "toggle label is correct");

  ok(!contentBlockingCheckbox.checked, "Checkbox is not checked when CB is off");
  is(contentBlockingToggle.getAttribute("aria-pressed"), "false", "toggle button has correct aria attribute");

  contentBlockingToggle.click();
  await TestUtils.waitForCondition(() => contentBlockingToggleLabel.textContent == "ON", "toggle label is correct");

  is(Services.prefs.getBoolPref(CB_PREF), true, "Content Blocking is on");
  ok(contentBlockingCheckbox.checked, "Checkbox is checked when CB is on");
  is(contentBlockingToggle.getAttribute("aria-pressed"), "true", "toggle button has correct aria attribute");

  contentBlockingToggle.click();
  await TestUtils.waitForCondition(() => contentBlockingToggleLabel.textContent == "OFF", "toggle label is correct");

  is(Services.prefs.getBoolPref(CB_PREF), false, "Content Blocking is off");
  ok(!contentBlockingCheckbox.checked, "Checkbox is not checked when CB is off");
  is(contentBlockingToggle.getAttribute("aria-pressed"), "false", "toggle button has correct aria attribute");

  Services.prefs.clearUserPref("browser.contentblocking.enabled");
  gBrowser.removeCurrentTab();
});

// Tests that the content blocking "Restore Defaults" button does what it's supposed to.
add_task(async function testContentBlockingRestoreDefaults() {
  SpecialPowers.pushPrefEnv({set: [
    [CB_UI_PREF, true],
  ]});

  let prefs = [
    CB_PREF,
    FB_PREF,
    TP_LIST_PREF,
    TP_PREF,
    TP_PBM_PREF,
  ];

  Services.prefs.setBoolPref(CB_PREF, false);
  Services.prefs.setBoolPref(FB_PREF, true);
  Services.prefs.setStringPref(TP_LIST_PREF, "test-track-simple,base-track-digest256,content-track-digest256");
  Services.prefs.setBoolPref(TP_PREF, true);
  Services.prefs.setBoolPref(TP_PBM_PREF, false);

  for (let pref of prefs) {
    ok(Services.prefs.prefHasUserValue(pref), `modified the pref ${pref}`);
  }

  await openPreferencesViaOpenPreferencesAPI("privacy", {leaveOpen: true});
  let doc = gBrowser.contentDocument;

  let contentBlockingRestoreDefaults = doc.getElementById("contentBlockingRestoreDefaults");
  contentBlockingRestoreDefaults.click();

  // TP prefs are reset async to check for extensions controlling them.
  await TestUtils.waitForCondition(() => !Services.prefs.prefHasUserValue(TP_PREF));

  for (let pref of prefs) {
    ok(!Services.prefs.prefHasUserValue(pref), `reset the pref ${pref}`);
  }

  gBrowser.removeCurrentTab();
});

// Tests that the content blocking "Restore Defaults" button does not restore prefs
// that are controlled by extensions.
add_task(async function testContentBlockingRestoreDefaultsSkipExtensionControlled() {
  SpecialPowers.pushPrefEnv({set: [
    [CB_UI_PREF, true],
  ]});

  function background() {
    browser.privacy.websites.trackingProtectionMode.set({value: "always"});
  }

  // Install an extension that sets Tracking Protection.
  let extension = ExtensionTestUtils.loadExtension({
    useAddonManager: "permanent",
    manifest: {
      name: "set_tp",
      applications: {gecko: {id: "@set_tp"}},
      permissions: ["privacy"],
    },
    background,
  });

  let resettable = [
    CB_PREF,
    FB_PREF,
    TP_LIST_PREF,
  ];

  Services.prefs.setBoolPref(CB_PREF, false);
  Services.prefs.setBoolPref(FB_PREF, true);
  Services.prefs.setStringPref(TP_LIST_PREF, "test-track-simple,base-track-digest256,content-track-digest256");

  for (let pref of resettable) {
    ok(Services.prefs.prefHasUserValue(pref), `modified the pref ${pref}`);
  }

  await extension.startup();

  await TestUtils.waitForCondition(() => Services.prefs.prefHasUserValue(TP_PREF));

  await openPreferencesViaOpenPreferencesAPI("privacy", {leaveOpen: true});
  let doc = gBrowser.contentDocument;

  let contentBlockingRestoreDefaults = doc.getElementById("contentBlockingRestoreDefaults");
  contentBlockingRestoreDefaults.click();

  for (let pref of resettable) {
    ok(!Services.prefs.prefHasUserValue(pref), `reset the pref ${pref}`);
  }

  ok(Services.prefs.prefHasUserValue(TP_PREF), "did not reset the TP pref");

  await extension.unload();

  gBrowser.removeCurrentTab();
});

// Checks that the granular controls are disabled or enabled depending on the master pref for CB.
add_task(async function testContentBlockingDependentControls() {
  SpecialPowers.pushPrefEnv({set: [
    [CB_UI_PREF, true],
  ]});

  let dependentControls = [
    "#content-blocking-categories-label",
    ".content-blocking-icon",
    ".content-blocking-category-menu",
    ".content-blocking-category-name",
    "#changeBlockListLink",
  ];

  function checkControlState(doc) {
    let enabled = Services.prefs.getBoolPref(CB_PREF);
    for (let selector of dependentControls) {
      let controls = doc.querySelectorAll(selector);
      for (let control of controls) {
        if (enabled) {
          ok(!control.hasAttribute("disabled"), `${selector} is enabled because CB is on.`);
        } else {
          is(control.getAttribute("disabled"), "true", `${selector} is disabled because CB is off`);
        }
      }
    }
  }

  Services.prefs.setBoolPref(CB_PREF, true);

  await openPreferencesViaOpenPreferencesAPI("privacy", {leaveOpen: true});
  let doc = gBrowser.contentDocument;

  is(Services.prefs.getBoolPref(CB_PREF), true, "Content Blocking is on");
  checkControlState(doc);

  gBrowser.removeCurrentTab();

  Services.prefs.setBoolPref(CB_PREF, false);

  await openPreferencesViaOpenPreferencesAPI("privacy", {leaveOpen: true});
  doc = gBrowser.contentDocument;

  is(Services.prefs.getBoolPref(CB_PREF), false, "Content Blocking is off");
  checkControlState(doc);

  let contentBlockingToggle = doc.getElementById("contentBlockingToggle");
  contentBlockingToggle.click();

  is(Services.prefs.getBoolPref(CB_PREF), true, "Content Blocking is on");
  checkControlState(doc);

  contentBlockingToggle.click();

  is(Services.prefs.getBoolPref(CB_PREF), false, "Content Blocking is off");
  checkControlState(doc);

  Services.prefs.clearUserPref("browser.contentblocking.enabled");
  gBrowser.removeCurrentTab();
});