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

"use strict";

/**
 * Check that navigating from This Firefox to Connect and back to This Firefox works and
 * does not leak.
 */

const TAB_URL_1 = "data:text/html,<title>TAB1</title>";
const TAB_URL_2 = "data:text/html,<title>TAB2</title>";

add_task(async function() {
  info("Force all debug target panes to be expanded");
  prepareCollapsibilitiesTest();

  const { document, tab } = await openAboutDebugging();

  const connectSidebarItem = findSidebarItemByText("Connect", document);
  ok(connectSidebarItem, "Found the Connect sidebar item");

  const thisFirefoxSidebarItem = findSidebarItemByText("This Firefox", document);
  ok(thisFirefoxSidebarItem, "Found the ThisFirefox sidebar item");
  ok(isSidebarItemSelected(thisFirefoxSidebarItem),
    "ThisFirefox sidebar item is selected by default");

  info("Open a new background tab TAB1");
  const backgroundTab1 = await addTab(TAB_URL_1, { background: true });

  info("Wait for the tab to appear in the debug targets with the correct name");
  await waitUntil(() => findDebugTargetByText("TAB1", document));

  info("Click on the Connect item in the sidebar");
  connectSidebarItem.click();

  info("Wait until Connect page is displayed");
  await waitUntil(() => document.querySelector(".js-connect-page"));
  ok(isSidebarItemSelected(connectSidebarItem), "Connect sidebar item is selected");
  ok(!document.querySelector(".js-runtime-page"), "Runtime page no longer rendered");

  info("Open a new tab which should be listed when we go back to This Firefox");
  const backgroundTab2 = await addTab(TAB_URL_2, { background: true });

  info("Click on the ThisFirefox item in the sidebar");
  thisFirefoxSidebarItem.click();

  info("Wait until ThisFirefox page is displayed");
  await waitUntil(() => document.querySelector(".js-runtime-page"));
  ok(isSidebarItemSelected(thisFirefoxSidebarItem),
    "ThisFirefox sidebar item is selected again");
  ok(!document.querySelector(".js-connect-page"), "Connect page no longer rendered");

  info("TAB2 should already be displayed in the debug targets");
  await waitUntil(() => findDebugTargetByText("TAB2", document));

  info("Remove first background tab");
  await removeTab(backgroundTab1);

  info("Check TAB1 disappears, meaning ThisFirefox client is correctly connected");
  await waitUntil(() => !findDebugTargetByText("TAB1", document));

  info("Remove second background tab");
  await removeTab(backgroundTab2);

  info("Check TAB2 disappears, meaning ThisFirefox client is correctly connected");
  await waitUntil(() => !findDebugTargetByText("TAB2", document));

  await removeTab(tab);
});

function isSidebarItemSelected(item) {
  return item.classList.contains("js-sidebar-item-selected");
}

function findDebugTargetByText(text, document) {
  const targets = [...document.querySelectorAll(".js-debug-target-item")];
  return targets.find(target => target.textContent.includes(text));
}