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

"use strict";

/**
 * This test ensures that we don't switch between tabs from normal window to
 * private browsing window or opposite.
 */

const TEST_URL = `${TEST_BASE_URL}dummy_page.html`;

add_setup(async function () {
  await SpecialPowers.pushPrefEnv({
    set: [["test.wait300msAfterTabSwitch", true]],
  });
});

add_task(async function () {
  let normalWindow = await BrowserTestUtils.openNewBrowserWindow();
  let privateWindow = await BrowserTestUtils.openNewBrowserWindow({
    private: true,
  });
  await runTest(normalWindow, privateWindow, false);
  await BrowserTestUtils.closeWindow(normalWindow);
  await BrowserTestUtils.closeWindow(privateWindow);

  normalWindow = await BrowserTestUtils.openNewBrowserWindow();
  privateWindow = await BrowserTestUtils.openNewBrowserWindow({
    private: true,
  });
  await runTest(privateWindow, normalWindow, false);
  await BrowserTestUtils.closeWindow(normalWindow);
  await BrowserTestUtils.closeWindow(privateWindow);

  privateWindow = await BrowserTestUtils.openNewBrowserWindow({
    private: true,
  });
  await runTest(privateWindow, privateWindow, true);
  await BrowserTestUtils.closeWindow(privateWindow);

  normalWindow = await BrowserTestUtils.openNewBrowserWindow();
  await runTest(normalWindow, normalWindow, true);
  await BrowserTestUtils.closeWindow(normalWindow);
});

async function runTest(aSourceWindow, aDestWindow, aExpectSwitch) {
  BrowserTestUtils.addTab(aSourceWindow.gBrowser, TEST_URL, {
    userContextId: 1,
  });
  await BrowserTestUtils.openNewForegroundTab(aSourceWindow.gBrowser, TEST_URL);
  let testTab = await BrowserTestUtils.openNewForegroundTab(
    aDestWindow.gBrowser
  );

  info("waiting for focus on the window");
  await SimpleTest.promiseFocus(aDestWindow);
  info("got focus on the window");

  // Select the testTab
  aDestWindow.gBrowser.selectedTab = testTab;

  // Ensure that this tab has no history entries
  let sessionHistoryCount = await new Promise(resolve => {
    SessionStore.getSessionHistory(
      gBrowser.selectedTab,
      function (sessionHistory) {
        resolve(sessionHistory.entries.length);
      }
    );
  });

  Assert.less(
    sessionHistoryCount,
    2,
    `The test tab has 1 or fewer history entries. sessionHistoryCount=${sessionHistoryCount}`
  );
  // Ensure that this tab is on about:blank
  is(
    testTab.linkedBrowser.currentURI.spec,
    "about:blank",
    "The test tab is on about:blank"
  );
  // Ensure that this tab's document has no child nodes
  await SpecialPowers.spawn(testTab.linkedBrowser, [], async function () {
    ok(
      !content.document.body.hasChildNodes(),
      "The test tab has no child nodes"
    );
  });
  ok(
    !testTab.hasAttribute("busy"),
    "The test tab doesn't have the busy attribute"
  );

  // Wait for the Awesomebar popup to appear.
  let searchString = TEST_URL;
  await UrlbarTestUtils.promiseAutocompleteResultPopup({
    window: aDestWindow,
    value: searchString,
  });

  info(`awesomebar popup appeared. aExpectSwitch: ${aExpectSwitch}`);
  // Make sure the last match is selected.
  while (
    UrlbarTestUtils.getSelectedRowIndex(aDestWindow) <
    UrlbarTestUtils.getResultCount(aDestWindow) - 1
  ) {
    info("handling key navigation for DOM_VK_DOWN key");
    EventUtils.synthesizeKey("KEY_ArrowDown", {}, aDestWindow);
  }

  let awaitTabSwitch;
  if (aExpectSwitch) {
    awaitTabSwitch = BrowserTestUtils.waitForTabClosing(testTab);
  }

  // Execute the selected action.
  EventUtils.synthesizeKey("KEY_Enter", {}, aDestWindow);
  info("sent Enter command to the controller");

  if (aExpectSwitch) {
    // If we expect a tab switch then the current tab
    // will be closed and we switch to the other tab.
    await awaitTabSwitch;
  } else {
    // If we don't expect a tab switch then wait for the tab to load.
    await BrowserTestUtils.browserLoaded(testTab.linkedBrowser);
  }
}

// Ensure that if the same page is opened in a non-private and a private window,
// the address bar in the non-private window doesn't show the private tab.
add_task(async function same_url_both_windows() {
  let win = await BrowserTestUtils.openNewBrowserWindow();
  let tab = await BrowserTestUtils.openNewForegroundTab(win.gBrowser, TEST_URL);

  let privateWin = await BrowserTestUtils.openNewBrowserWindow({
    private: true,
  });
  await BrowserTestUtils.openNewForegroundTab(privateWin.gBrowser, TEST_URL);

  // The current tab is not suggested, so open and focus another tab.
  await BrowserTestUtils.openNewForegroundTab(win.gBrowser);

  // Check the switch-tab is not shown twice (one per window).
  await UrlbarTestUtils.promiseAutocompleteResultPopup({
    window: win,
    value: "dummy_page",
  });
  Assert.equal(2, UrlbarTestUtils.getResultCount(win), "Check results count");
  let result = await UrlbarTestUtils.getDetailsOfResultAt(win, 0);
  Assert.ok(result.heuristic, "First result is heuristic");
  result = await UrlbarTestUtils.getDetailsOfResultAt(win, 1);
  Assert.equal(
    UrlbarShared.RESULT_TYPE.TAB_SWITCH,
    result.type,
    "Second result is tab switch"
  );

  // Now close the non-private tab, and check there's no switch-tab entry in
  // the non-private window.
  BrowserTestUtils.removeTab(tab);
  await UrlbarTestUtils.promiseAutocompleteResultPopup({
    window: win,
    value: "dummy_page",
  });
  Assert.equal(2, UrlbarTestUtils.getResultCount(win), "Check results count");
  result = await UrlbarTestUtils.getDetailsOfResultAt(win, 0);
  Assert.ok(result.heuristic, "First result is heuristic");
  result = await UrlbarTestUtils.getDetailsOfResultAt(win, 1);
  Assert.notEqual(
    UrlbarShared.RESULT_TYPE.TAB_SWITCH,
    result.type,
    "Second result is not tab switch"
  );

  await BrowserTestUtils.closeWindow(privateWin);
  await BrowserTestUtils.closeWindow(win);
});