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

const TEST_URI = "data:text/html;charset=utf-8,<p>browser_telemetry_sidebar.js</p>";

// Because we need to gather stats for the period of time that a tool has been
// opened we make use of setTimeout() to create tool active times.
const TOOL_DELAY = 200;

add_task(function* () {
  yield addTab(TEST_URI);
  let Telemetry = loadTelemetryAndRecordLogs();

  let target = TargetFactory.forTab(gBrowser.selectedTab);
  let toolbox = yield gDevTools.showToolbox(target, "inspector");
  info("inspector opened");

  yield testSidebar(toolbox);
  checkResults(Telemetry);

  stopRecordingTelemetryLogs(Telemetry);
  yield gDevTools.closeToolbox(target);
  gBrowser.removeCurrentTab();
});

function* testSidebar(toolbox) {
  info("Testing sidebar");

  let inspector = toolbox.getCurrentPanel();
  let sidebarTools = ["ruleview", "computedview", "fontinspector",
                      "animationinspector"];

  // Concatenate the array with itself so that we can open each tool twice.
  sidebarTools.push.apply(sidebarTools, sidebarTools);

  return new Promise(resolve => {
    // See TOOL_DELAY for why we need setTimeout here
    setTimeout(function selectSidebarTab() {
      let tool = sidebarTools.pop();
      if (tool) {
        inspector.sidebar.select(tool);
        setTimeout(function () {
          setTimeout(selectSidebarTab, TOOL_DELAY);
        }, TOOL_DELAY);
      } else {
        resolve();
      }
    }, TOOL_DELAY);
  });
}

function checkResults(Telemetry) {
  let result = Telemetry.prototype.telemetryInfo;

  for (let [histId, value] of Object.entries(result)) {
    if (histId.startsWith("DEVTOOLS_INSPECTOR_")) {
      // Inspector stats are tested in browser_telemetry_toolboxtabs.js so we
      // skip them here because we only open the inspector once for this test.
      continue;
    }

    if (histId === "DEVTOOLS_TOOLBOX_OPENED_COUNT") {
      is(value.length, 1, histId + " has only one entry");
    } else if (histId.endsWith("OPENED_COUNT")) {
      ok(value.length > 1, histId + " has more than one entry");

      let okay = value.every(function (element) {
        return element === true;
      });

      ok(okay, "All " + histId + " entries are === true");
    } else if (histId.endsWith("TIME_ACTIVE_SECONDS")) {
      ok(value.length > 1, histId + " has more than one entry");

      let okay = value.every(function (element) {
        return element > 0;
      });

      ok(okay, "All " + histId + " entries have time > 0");
    }
  }
}
