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package client.players;
import haxe.Json;
import haxe.Http;
import js.html.Element;
import js.Browser.document;
import client.Main.ge;
import js.youtube.Youtube as YtInit;
import js.youtube.YoutubePlayer;
import Types.VideoData;
import Types.VideoItem;
using StringTools;
class Youtube implements IPlayer {
static final matchId = ~/v=([A-z0-9_-]+)/;
static final matchShort = ~/youtu.be\/([A-z0-9_-]+)/;
static final matchEmbed = ~/embed\/([A-z0-9_-]+)/;
static final apiUrl = "https://www.googleapis.com/youtube/v3/videos";
static final urlTitleDuration = "?part=snippet,contentDetails&fields=items(snippet/title,contentDetails/duration)";
static final apiKey = "AIzaSyDTk1OPRI9cDkAK_BKsBcv10DQCHse-QaA";
final main:Main;
final player:Player;
final playerEl:Element = ge("#ytapiplayer");
var video:Element;
var youtube:YoutubePlayer;
var isLoaded = false;
public function new(main:Main, player:Player) {
this.main = main;
this.player = player;
}
public static function isYoutube(url:String):Bool {
return extractVideoId(url) != "";
}
static function extractVideoId(url:String):String {
if (url.contains("youtu.be/")) {
matchShort.match(url);
return matchShort.matched(1);
}
if (url.contains("youtube.com/embed/")) {
matchEmbed.match(url);
return matchEmbed.matched(1);
}
if (!matchId.match(url)) return "";
return matchId.matched(1);
}
final matchHours = ~/([0-9]+)H/;
final matchMinutes = ~/([0-9]+)M/;
final matchSeconds = ~/([0-9]+)S/;
function convertTime(duration:String):Float {
var total = 0;
final hours = matchHours.match(duration);
final minutes = matchMinutes.match(duration);
final seconds = matchSeconds.match(duration);
if (hours) total += Std.parseInt(matchHours.matched(1)) * 3600;
if (minutes) total += Std.parseInt(matchMinutes.matched(1)) * 60;
if (seconds) total += Std.parseInt(matchSeconds.matched(1));
return total;
}
public function getVideoData(url:String, callback:(data:VideoData)->Void):Void {
final id = extractVideoId(url);
final url = '$apiUrl$urlTitleDuration&id=$id&key=$apiKey';
final http = new Http(url);
http.onData = data -> {
final json = Json.parse(data);
if (json.error != null) {
getRemoteDataFallback(url, callback);
return;
}
final item = json.items[0];
if (item == null) {
callback({duration: 0});
return;
}
final title:String = item.snippet.title;
final duration:String = item.contentDetails.duration;
// TODO duration is PT0S for streams
callback({
duration: convertTime(duration),
title: title
});
}
http.onError = msg -> getRemoteDataFallback(url, callback);
http.request();
}
function getRemoteDataFallback(url:String, callback:(data:VideoData)->Void):Void {
if (!YtInit.isLoadedAPI) {
YtInit.init(() -> getRemoteDataFallback(url, callback));
return;
}
final video = document.createDivElement();
video.id = "temp-videoplayer";
Utils.prepend(playerEl, video);
youtube = new YoutubePlayer(video.id, {
videoId: extractVideoId(url),
playerVars: {
modestbranding: 1,
rel: 0,
showinfo: 0
},
events: {
onReady: e -> {
if (playerEl.contains(video)) playerEl.removeChild(video);
callback({
duration: youtube.getDuration()
});
},
onError: e -> {
// TODO message error codes
trace('Error ${e.data}');
if (playerEl.contains(video)) playerEl.removeChild(video);
callback({duration: 0});
}
}
});
}
public function loadVideo(item:VideoItem):Void {
if (!YtInit.isLoadedAPI) {
YtInit.init(() -> loadVideo(item));
return;
}
video = document.createDivElement();
video.id = "videoplayer";
playerEl.appendChild(video);
youtube = new YoutubePlayer(video.id, {
videoId: extractVideoId(item.url),
playerVars: {
autoplay: 1,
modestbranding: 1,
rel: 0,
showinfo: 0,
start: 0
},
events: {
onReady: e -> isLoaded = true,
onStateChange: e -> {
switch (e.data) {
case UNSTARTED:
player.onCanBePlayed();
case ENDED:
case PLAYING:
player.onPlay();
case PAUSED:
player.onPause();
case BUFFERING:
player.onSetTime();
case CUED:
}
}
}
});
}
public function removeVideo():Void {
if (video == null) return;
if (playerEl.contains(video)) playerEl.removeChild(video);
video = null;
}
public function play():Void {
if (!isLoaded) return;
youtube.playVideo();
}
public function pause():Void {
if (!isLoaded) return;
youtube.pauseVideo();
}
public function getTime():Float {
if (!isLoaded) return 0;
return youtube.getCurrentTime();
}
public function setTime(time:Float):Void {
if (!isLoaded) return;
youtube.seekTo(time, true);
}
}
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