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

/**
 * Tests if the profiler correctly handles multiple recordings and can
 * successfully switch between them, even when one of them is in progress.
 */

const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
const {
  initPerformanceInNewTab,
  teardownToolboxAndRemoveTab,
} = require("devtools/client/performance/test/helpers/panel-utils");
const {
  startRecording,
  stopRecording,
} = require("devtools/client/performance/test/helpers/actions");
const {
  once,
} = require("devtools/client/performance/test/helpers/event-utils");
const {
  getSelectedRecordingIndex,
  setSelectedRecording,
  getRecordingsCount,
} = require("devtools/client/performance/test/helpers/recording-utils");

add_task(async function() {
  // This test seems to take a very long time to finish on Linux VMs.
  requestLongerTimeout(4);

  const { panel } = await initPerformanceInNewTab({
    url: SIMPLE_URL,
    win: window,
  });

  const { EVENTS, PerformanceController } = panel.panelWin;

  await startRecording(panel);
  await stopRecording(panel);

  await startRecording(panel);

  is(getRecordingsCount(panel), 2, "There should be two recordings visible.");
  is(
    getSelectedRecordingIndex(panel),
    1,
    "The new recording item should be selected."
  );

  let selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
  setSelectedRecording(panel, 0);
  await selected;

  is(
    getRecordingsCount(panel),
    2,
    "There should still be two recordings visible."
  );
  is(
    getSelectedRecordingIndex(panel),
    0,
    "The first recording item should be selected now."
  );

  selected = once(PerformanceController, EVENTS.RECORDING_SELECTED);
  setSelectedRecording(panel, 1);
  await selected;

  is(
    getRecordingsCount(panel),
    2,
    "There should still be two recordings visible."
  );
  is(
    getSelectedRecordingIndex(panel),
    1,
    "The second recording item should be selected again."
  );

  await stopRecording(panel);

  await teardownToolboxAndRemoveTab(panel);
});
