"use strict";

function toggle_parent(target) {
  var body = target.parentNode.parentNode.children[1];
  if (body.style.display === "none") {
    target.textContent = "[ − ]";
    body.style.display = "";
  } else {
    target.textContent = "[ + ]";
    body.style.display = "none";
  }
}

function swap_comments(event) {
  var source = event.target.getAttribute("data-comments");

  if (source === "youtube") {
    get_youtube_comments();
  } else if (source === "reddit") {
    get_reddit_comments();
  }
}

var continue_button = document.getElementById("continue");
if (continue_button) {
  continue_button.onclick = continue_autoplay;
}

function next_video() {
  var url = new URL("https://example.com/watch?v=" + video_data.next_video);

  if (video_data.params.autoplay || video_data.params.continue_autoplay)
    url.searchParams.set("autoplay", "1");
  if (video_data.params.listen !== video_data.preferences.listen)
    url.searchParams.set("listen", video_data.params.listen);
  if (video_data.params.speed !== video_data.preferences.speed)
    url.searchParams.set("speed", video_data.params.speed);
  if (video_data.params.local !== video_data.preferences.local)
    url.searchParams.set("local", video_data.params.local);
  url.searchParams.set("continue", "1");

  location.assign(url.pathname + url.search);
}

function continue_autoplay(event) {
  if (event.target.checked) {
    player.on("ended", next_video);
  } else {
    player.off("ended");
  }
}

function get_playlist(plid) {
  var playlist = document.getElementById("playlist");

  playlist.innerHTML = spinnerHTMLwithHR;

  var plid_url;
  if (plid.startsWith("RD")) {
    plid_url =
      "/api/v1/mixes/" +
      plid +
      "?continuation=" +
      video_data.id +
      "&format=html&hl=" +
      video_data.preferences.locale;
  } else {
    plid_url =
      "/api/v1/playlists/" +
      plid +
      "?index=" +
      video_data.index +
      "&continuation=" +
      video_data.id +
      "&format=html&hl=" +
      video_data.preferences.locale;
  }

  if (video_data.params.listen) {
    plid_url += "&listen=1";
  }

  helpers.xhr(
    "GET",
    plid_url,
    { retries: 5, entity_name: "playlist" },
    {
      on200: function (response) {
        if (response === null) return;

        playlist.innerHTML = response.playlistHtml;

        if (!response.nextVideo) return;

        var nextVideo = document.getElementById(response.nextVideo);
        nextVideo.parentNode.parentNode.scrollTop = nextVideo.offsetTop;

        player.on("ended", function () {
          var url = new URL(
            "https://example.com/watch?v=" + response.nextVideo,
          );

          url.searchParams.set("list", plid);
          if (!plid.startsWith("RD"))
            url.searchParams.set("index", response.index);
          if (video_data.params.autoplay || video_data.params.continue_autoplay)
            url.searchParams.set("autoplay", "1");
          if (video_data.params.listen !== video_data.preferences.listen)
            url.searchParams.set("listen", video_data.params.listen);
          if (video_data.params.speed !== video_data.preferences.speed)
            url.searchParams.set("speed", video_data.params.speed);
          if (video_data.params.local !== video_data.preferences.local)
            url.searchParams.set("local", video_data.params.local);

          location.assign(url.pathname + url.search);
        });
      },
      onNon200: function (xhr) {
        playlist.innerHTML = "";
        document.getElementById("continue").style.display = "";
      },
      onError: function (xhr) {
        playlist.innerHTML = spinnerHTMLwithHR;
      },
      onTimeout: function (xhr) {
        playlist.innerHTML = spinnerHTMLwithHR;
      },
    },
  );
}

function get_reddit_comments() {
  var comments = document.getElementById("comments");

  var fallback = comments.innerHTML;
  comments.innerHTML = spinnerHTML;

  var url =
    "/api/v1/comments/" +
    video_data.id +
    "?source=reddit&format=html" +
    "&hl=" +
    video_data.preferences.locale;

  var onNon200 = function (xhr) {
    comments.innerHTML = fallback;
  };
  if (video_data.params.comments[1] === "youtube") onNon200 = function (xhr) {};

  helpers.xhr(
    "GET",
    url,
    { retries: 5, entity_name: "" },
    {
      on200: function (response) {
        comments.innerHTML = ' \
            <div> \
                <h3> \
                    <a href="javascript:void(0)">[ − ]</a> \
                    {title} \
                </h3> \
                <p> \
                    <b> \
                        <a href="javascript:void(0)" data-comments="youtube"> \
                            {youtubeCommentsText} \
                        </a> \
                    </b> \
                </p> \
                <b> \
                    <a rel="noopener" target="_blank" href="https://reddit.com{permalink}">{redditPermalinkText}</a> \
                </b> \
            </div> \
            <div>{contentHtml}</div> \
            <hr>'.supplant({
          title: response.title,
          youtubeCommentsText: video_data.youtube_comments_text,
          redditPermalinkText: video_data.reddit_permalink_text,
          permalink: response.permalink,
          contentHtml: response.contentHtml,
        });

        comments.children[0].children[0].children[0].onclick = toggle_comments;
        comments.children[0].children[1].children[0].onclick = swap_comments;
      },
      onNon200: onNon200, // declared above
    },
  );
}

if (video_data.play_next) {
  player.on("ended", function () {
    var url = new URL("https://example.com/watch?v=" + video_data.next_video);

    if (video_data.params.autoplay || video_data.params.continue_autoplay)
      url.searchParams.set("autoplay", "1");
    if (video_data.params.listen !== video_data.preferences.listen)
      url.searchParams.set("listen", video_data.params.listen);
    if (video_data.params.speed !== video_data.preferences.speed)
      url.searchParams.set("speed", video_data.params.speed);
    if (video_data.params.local !== video_data.preferences.local)
      url.searchParams.set("local", video_data.params.local);
    url.searchParams.set("continue", "1");

    location.assign(url.pathname + url.search);
  });
}

addEventListener("load", function (e) {
  if (video_data.plid) get_playlist(video_data.plid);

  if (video_data.params.comments[0] === "youtube") {
    get_youtube_comments();
  } else if (video_data.params.comments[0] === "reddit") {
    get_reddit_comments();
  } else if (video_data.params.comments[1] === "youtube") {
    get_youtube_comments();
  } else if (video_data.params.comments[1] === "reddit") {
    get_reddit_comments();
  } else {
    var comments = document.getElementById("comments");
    comments.innerHTML = "";
  }
});