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

"use strict";

// A test to ensure Style Editor only issues 1 request for each stylesheet (instead of 2)
// by using the cache on the platform.

const EMPTY_TEST_URL = TEST_BASE_HTTP + "doc_empty.html";
const TEST_URL = TEST_BASE_HTTP + "doc_fetch_from_netmonitor.html";

add_task(async function() {
  info("Opening netmonitor");
  // Navigate first to an empty document in order to:
  // * avoid introducing a cross process navigation when calling navigateTo()
  // * properly wait for request updates when calling navigateTo, while showToolbox
  //   won't necessarily wait for all pending requests. (If we were loading TEST_URL
  //   in the tab, we might have pending updates in the netmonitor which won't be
  //   awaited for by showToolbox)
  const tab = await addTab(EMPTY_TEST_URL);
  const target = await TargetFactory.forTab(tab);
  const toolbox = await gDevTools.showToolbox(target, "netmonitor");
  const monitor = toolbox.getPanel("netmonitor");
  const { store, windowRequire } = monitor.panelWin;
  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");
  const { getSortedRequests } = windowRequire(
    "devtools/client/netmonitor/src/selectors/index"
  );

  store.dispatch(Actions.batchEnable(false));

  info("Navigating to test page");
  await navigateTo(TEST_URL);

  info("Opening Style Editor");
  const styleeditor = await toolbox.selectTool("styleeditor");
  const ui = styleeditor.UI;

  info("Waiting for the sources to be loaded.");
  await ui.editors[0].getSourceEditor();
  await ui.selectStyleSheet(ui.editors[1].styleSheet);
  await ui.editors[1].getSourceEditor();

  // Wait till there is 4 requests in Netmonitor store.
  await waitUntil(() => getSortedRequests(store.getState()).length == 4);

  info("Checking Netmonitor contents.");
  const shortRequests = [];
  const longRequests = [];
  const hugeRequests = [];
  for (const item of getSortedRequests(store.getState())) {
    if (item.url.endsWith("doc_short_string.css")) {
      shortRequests.push(item);
    }
    if (item.url.endsWith("doc_long_string.css")) {
      longRequests.push(item);
    }
    if (item.url.endsWith("sjs_huge-css-server.sjs")) {
      hugeRequests.push(item);
    }
  }

  is(
    shortRequests.length,
    1,
    "Got one request for doc_short_string.css after Style Editor was loaded."
  );
  is(
    longRequests.length,
    1,
    "Got one request for doc_long_string.css after Style Editor was loaded."
  );

  is(
    hugeRequests.length,
    1,
    "Got one requests for sjs_huge-css-server.sjs after Style Editor was loaded."
  );
});
