/* vim: set ft=javascript ts=2 et sw=2 tw=80: */

/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

/* eslint-disable mozilla/no-arbitrary-setTimeout */

"use strict";

// Check the animation player's updated state

add_task(async function () {

  let {client, walker, animations} =

    await initAnimationsFrontForUrl(MAIN_DOMAIN + "animation.html");

  await playStateIsUpdatedDynamically(walker, animations);

  await client.close();

  gBrowser.removeCurrentTab();

});

async function playStateIsUpdatedDynamically(walker, animations) {

  info("Getting the test node (which runs a very long animation)");

  // The animation lasts for 100s, to avoid intermittents.

  let node = await walker.querySelector(walker.rootNode, ".long-animation");

  info("Getting the animation player front for this node");

  let [player] = await animations.getAnimationPlayersForNode(node);

  await player.ready();

  let state = await player.getCurrentState();

  is(state.playState, "running",

    "The playState is running while the animation is running");

  info("Change the animation's currentTime to be near the end and wait for " +

       "it to finish");

  let onFinished = waitForAnimationPlayState(player, "finished");

  // Set the currentTime to 98s, knowing that the animation lasts for 100s.

  await player.setCurrentTime(98 * 1000);

  state = await onFinished;

  is(state.playState, "finished",

    "The animation has ended and the state has been updated");

  ok(state.currentTime > player.initialState.currentTime,

    "The currentTime has been updated");

}

async function waitForAnimationPlayState(player, playState) {

  let state = {};

  while (state.playState !== playState) {

    state = await player.getCurrentState();

    await wait(500);

  }

  return state;

}

function wait(ms) {

  return new Promise(r => setTimeout(r, ms));

}