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

"use strict";

/**
 * Tests that the first item is correctly autoselected and some navigation
 * around the results list.
 */

function repeat(limit, func) {
  for (let i = 0; i < limit; i++) {
    func(i);
  }
}

function assertSelected(index) {
  Assert.equal(
    UrlbarTestUtils.getSelectedRowIndex(window),
    index,
    "Should have selected the correct item"
  );
  // Also check the "selected" attribute, to ensure it is not a "fake" selection
  // due to binding misbehaviors.
  let element = UrlbarTestUtils.getSelectedRow(window);
  Assert.ok(
    element.hasAttribute("selected"),
    "Should have the selected attribute on the row element"
  );

  // This is true because although both the listbox and the one-offs can have
  // selections, the test doesn't check that.
  Assert.equal(
    UrlbarTestUtils.getOneOffSearchButtons(window).selectedButton,
    null,
    "A result is selected, so the one-offs should not have a selection"
  );
}

function assertSelected_one_off(index) {
  Assert.equal(
    UrlbarTestUtils.getOneOffSearchButtons(window).selectedButtonIndex,
    index,
    "Expected one-off button should be selected"
  );

  // This is true because although both the listbox and the one-offs can have
  // selections, the test doesn't check that.
  Assert.equal(
    UrlbarTestUtils.getSelectedRowIndex(window),
    -1,
    "A one-off is selected, so the listbox should not have a selection"
  );
}

add_task(async function() {
  let maxResults = Services.prefs.getIntPref("browser.urlbar.maxRichResults");
  let tab = await BrowserTestUtils.openNewForegroundTab(
    gBrowser,
    "about:mozilla"
  );
  registerCleanupFunction(async function() {
    await PlacesUtils.history.clear();
    BrowserTestUtils.removeTab(tab);
  });

  let visits = [];
  repeat(maxResults, i => {
    visits.push({
      uri: makeURI("http://example.com/autocomplete/?" + i),
    });
  });
  await PlacesTestUtils.addVisits(visits);

  await UrlbarTestUtils.promiseAutocompleteResultPopup({
    window,
    value: "example.com/autocomplete",
    fireInputEvent: true,
  });

  let resultCount = await UrlbarTestUtils.getResultCount(window);

  Assert.equal(
    resultCount,
    maxResults,
    "Should get the expected amount of results"
  );
  assertSelected(0);

  info("Key Down to select the next item");
  EventUtils.synthesizeKey("KEY_ArrowDown");
  assertSelected(1);

  info("Key Down maxResults-1 times should select the first one-off");
  repeat(maxResults - 1, () => EventUtils.synthesizeKey("KEY_ArrowDown"));
  assertSelected_one_off(0);

  info("Key Down numButtons-1 should select the last one-off");
  let numButtons = UrlbarTestUtils.getOneOffSearchButtons(
    window
  ).getSelectableButtons(true).length;
  repeat(numButtons - 1, () => EventUtils.synthesizeKey("KEY_ArrowDown"));
  assertSelected_one_off(numButtons - 1);

  info("Key Down twice more should select the second result");
  repeat(2, () => EventUtils.synthesizeKey("KEY_ArrowDown"));
  assertSelected(1);

  info("Key Down maxResults + numButtons times should wrap around");
  repeat(maxResults + numButtons, () =>
    EventUtils.synthesizeKey("KEY_ArrowDown")
  );
  assertSelected(1);

  info("Key Up maxResults + numButtons times should wrap around the other way");
  repeat(maxResults + numButtons, () =>
    EventUtils.synthesizeKey("KEY_ArrowUp")
  );
  assertSelected(1);

  info("Page Up will go up the list, but not wrap");
  EventUtils.synthesizeKey("KEY_PageUp");
  assertSelected(0);

  info("Page Up again will wrap around to the end of the list");
  EventUtils.synthesizeKey("KEY_PageUp");
  assertSelected(maxResults - 1);
});
