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

"use strict";

add_task(function setup() {
  // gSync.init() is called in a requestIdleCallback. Force its initialization.
  gSync.init();
});

add_task(async function test_ui_state_notification_calls_updateAllUI() {
  let called = false;
  let updateAllUI = gSync.updateAllUI;
  gSync.updateAllUI = () => {
    called = true;
  };

  Services.obs.notifyObservers(null, UIState.ON_UPDATE);
  ok(called);

  gSync.updateAllUI = updateAllUI;
});

add_task(async function test_ui_state_signedin() {
  const msBadgeEnabled = Services.prefs.getBoolPref(
    "browser.messaging-system.fxatoolbarbadge.enabled"
  );
  const relativeDateAnchor = new Date();
  let state = {
    status: UIState.STATUS_SIGNED_IN,
    email: "foo@bar.com",
    displayName: "Foo Bar",
    avatarURL: "https://foo.bar",
    lastSync: new Date(),
    syncing: false,
  };

  const origRelativeTimeFormat = gSync.relativeTimeFormat;
  gSync.relativeTimeFormat = {
    formatBestUnit(date) {
      return origRelativeTimeFormat.formatBestUnit(date, {
        now: relativeDateAnchor,
      });
    },
  };

  gSync.updateAllUI(state);
  let lastSyncTooltip = gSync.formatLastSyncDate(new Date(state.lastSync));
  checkPanelUIStatusBar({
    label: "Foo Bar",
    fxastatus: "signedin",
    syncing: false,
    syncNowTooltip: lastSyncTooltip,
  });
  checkRemoteTabsPanel("PanelUI-remotetabs-main", false);
  checkMenuBarItem("sync-syncnowitem");
  checkFxaToolbarButtonPanel("PanelUI-fxa-menu");
  if (msBadgeEnabled) {
    await checkFxABadged();
  } else {
    checkFxAAvatar("signedin");
  }
  gSync.relativeTimeFormat = origRelativeTimeFormat;
});

add_task(async function test_ui_state_syncing() {
  let state = {
    status: UIState.STATUS_SIGNED_IN,
    email: "foo@bar.com",
    displayName: "Foo Bar",
    avatarURL: "https://foo.bar",
    lastSync: new Date(),
    syncing: true,
  };

  gSync.updateAllUI(state);

  checkSyncNowButton("PanelUI-remotetabs-syncnow", true);

  // Be good citizens and remove the "syncing" state.
  gSync.updateAllUI({
    status: UIState.STATUS_SIGNED_IN,
    email: "foo@bar.com",
    lastSync: new Date(),
    syncing: false,
  });
  // Because we switch from syncing to non-syncing, and there's a timeout involved.
  await promiseObserver("test:browser-sync:activity-stop");
});

add_task(async function test_ui_state_unconfigured() {
  const msBadgeEnabled = Services.prefs.getBoolPref(
    "browser.messaging-system.fxatoolbarbadge.enabled"
  );
  let state = {
    status: UIState.STATUS_NOT_CONFIGURED,
  };

  gSync.updateAllUI(state);

  let signedOffLabel = gSync.appMenuStatus.getAttribute("defaultlabel");
  checkPanelUIStatusBar({
    label: signedOffLabel,
  });
  checkRemoteTabsPanel("PanelUI-remotetabs-setupsync");
  checkMenuBarItem("sync-setup");
  checkFxaToolbarButtonPanel("PanelUI-fxa-signin");
  if (msBadgeEnabled) {
    await checkFxABadged();
  } else {
    checkFxAAvatar("not_configured");
  }
});

add_task(async function test_ui_state_unverified() {
  let state = {
    status: UIState.STATUS_NOT_VERIFIED,
    email: "foo@bar.com",
    lastSync: new Date(),
    syncing: false,
  };

  gSync.updateAllUI(state);

  let expectedLabel = gSync.appMenuStatus.getAttribute("unverifiedlabel");
  let tooltipText = gSync.fxaStrings.formatStringFromName("verifyDescription", [
    state.email,
  ]);
  checkPanelUIStatusBar({
    label: expectedLabel,
    tooltip: tooltipText,
    fxastatus: "unverified",
    syncing: false,
    syncNowTooltip: tooltipText,
  });
  checkRemoteTabsPanel("PanelUI-remotetabs-unverified", false);
  checkMenuBarItem("sync-unverifieditem");
  checkFxaToolbarButtonPanel("PanelUI-fxa-unverified");
  checkFxAAvatar("unverified");
});

add_task(async function test_ui_state_loginFailed() {
  let state = {
    status: UIState.STATUS_LOGIN_FAILED,
    email: "foo@bar.com",
  };

  gSync.updateAllUI(state);

  let expectedLabel = gSync.appMenuStatus.getAttribute("errorlabel");
  let tooltipText = gSync.fxaStrings.formatStringFromName(
    "reconnectDescription",
    [state.email]
  );
  checkPanelUIStatusBar({
    label: expectedLabel,
    tooltip: tooltipText,
    fxastatus: "login-failed",
    syncing: false,
    syncNowTooltip: tooltipText,
  });
  checkRemoteTabsPanel("PanelUI-remotetabs-reauthsync", false);
  checkMenuBarItem("sync-reauthitem");
  checkFxaToolbarButtonPanel("PanelUI-fxa-unverified");
  checkFxAAvatar("unverified");
});

function checkPanelUIStatusBar({
  label,
  tooltip,
  fxastatus,
  syncing,
  syncNowTooltip,
}) {
  let labelNode = document.getElementById("appMenu-fxa-label");
  let statusNode = document.getElementById("appMenu-fxa-status");

  is(labelNode.getAttribute("label"), label, "fxa label has the right value");
  if (statusNode.getAttribute("tooltiptext")) {
    is(
      statusNode.getAttribute("tooltiptext"),
      tooltip,
      "fxa tooltip has the right value"
    );
  }
  if (fxastatus) {
    is(
      statusNode.getAttribute("fxastatus"),
      fxastatus,
      "fxa fxastatus has the right value"
    );
  } else {
    ok(!statusNode.hasAttribute("fxastatus"), "fxastatus is unset");
  }
}

function checkRemoteTabsPanel(expectedShownItemId, syncing, syncNowTooltip) {
  checkItemsVisibilities(
    [
      "PanelUI-remotetabs-main",
      "PanelUI-remotetabs-setupsync",
      "PanelUI-remotetabs-reauthsync",
      "PanelUI-remotetabs-unverified",
    ],
    expectedShownItemId
  );

  if (syncing != undefined && syncNowTooltip != undefined) {
    checkSyncNowButton("PanelUI-remotetabs-syncnow", syncing, syncNowTooltip);
  }
}

function checkMenuBarItem(expectedShownItemId) {
  checkItemsVisibilities(
    [
      "sync-setup",
      "sync-syncnowitem",
      "sync-reauthitem",
      "sync-unverifieditem",
    ],
    expectedShownItemId
  );
}

function checkSyncNowButton(buttonId, syncing, tooltip = null) {
  const remoteTabsButton = document.getElementById(buttonId);

  is(
    remoteTabsButton.getAttribute("syncstatus"),
    syncing ? "active" : "",
    "button active has the right value"
  );
  if (tooltip) {
    is(
      remoteTabsButton.getAttribute("tooltiptext"),
      tooltip,
      "button tooltiptext is set to the right value"
    );
  }

  if (buttonId.endsWith("-fxa-icon")) {
    return;
  }

  is(
    remoteTabsButton.hasAttribute("disabled"),
    syncing,
    "disabled has the right value"
  );
  if (syncing) {
    is(
      remoteTabsButton.getAttribute("label"),
      gSync.syncStrings.GetStringFromName("syncingtabs.label"),
      "label is set to the right value"
    );
  } else {
    is(
      remoteTabsButton.getAttribute("label"),
      gSync.syncStrings.GetStringFromName("syncnow.label"),
      "label is set to the right value"
    );
  }
}

async function checkFxaToolbarButtonPanel(expectedShownItemId) {
  let panel = document.getElementById("PanelUI-fxa");
  let promisePanelOpen = BrowserTestUtils.waitForEvent(panel, "ViewShown");
  document.getElementById("PanelUI-fxa-menu").click();
  await promisePanelOpen;
  checkItemsDisplayed(
    ["PanelUI-fxa-signin", "PanelUI-fxa-unverified", "PanelUI-fxa-menu"],
    expectedShownItemId
  );
}

async function checkFxABadged() {
  const button = document.getElementById("fxa-toolbar-menu-button");
  await BrowserTestUtils.waitForCondition(() => {
    return button.querySelector("label.feature-callout");
  });
  const badge = button.querySelector("label.feature-callout");
  ok(badge, "expected feature-callout style badge");
  ok(BrowserTestUtils.is_visible(badge), "expected the badge to be visible");
}

// fxaStatus is one of 'not_configured', 'unverified', or 'signedin'.
function checkFxAAvatar(fxaStatus) {
  const avatarContainers = [
    document.getElementById("appMenu-fxa-avatar"),
    document.getElementById("fxa-avatar-image"),
  ];
  for (const avatar of avatarContainers) {
    const avatarURL = getComputedStyle(avatar).listStyleImage;
    const expected = {
      not_configured:
        'url("chrome://browser/skin/fxa/avatar-empty-badged.svg")',
      unverified: 'url("chrome://browser/skin/fxa/avatar-confirm.svg")',
      signedin: 'url("chrome://browser/skin/fxa/avatar.svg")',
    };
    ok(
      avatarURL == expected[fxaStatus],
      `expected avatar URL to be ${expected[fxaStatus]}, got ${avatarURL}`
    );
  }
}

// Only one item displayed at a time.
function checkItemsDisplayed(itemsIds, expectedShownItemId) {
  for (let id of itemsIds) {
    if (id == expectedShownItemId) {
      ok(
        BrowserTestUtils.is_visible(document.getElementById(id)),
        `view ${id} should be visible`
      );
    } else {
      ok(
        BrowserTestUtils.is_hidden(document.getElementById(id)),
        `view ${id} should be hidden`
      );
    }
  }
}

// Only one item visible at a time.
function checkItemsVisibilities(itemsIds, expectedShownItemId) {
  for (let id of itemsIds) {
    if (id == expectedShownItemId) {
      ok(
        !document.getElementById(id).hidden,
        "menuitem " + id + " should be visible"
      );
    } else {
      ok(
        document.getElementById(id).hidden,
        "menuitem " + id + " should be hidden"
      );
    }
  }
}

function promiseObserver(topic) {
  return new Promise(resolve => {
    let obs = (aSubject, aTopic, aData) => {
      Services.obs.removeObserver(obs, aTopic);
      resolve(aSubject);
    };
    Services.obs.addObserver(obs, topic);
  });
}