// ==UserScript==
// @name         TwitchDropFarmer
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.twitch.tv/*
// @grant        none
// ==/UserScript==

var DIRECTORY_URL = 'https://www.twitch.tv/directory/game/Legends%20of%20Runeterra';

(function() {
    'use strict';
    var nbReloads = 0;

    function stuff() {
        var currentGame = document.querySelector('.font-size-5.pd-l-05.ember-view[data-tt_content]') ? document.querySelector('.font-size-5.pd-l-05.ember-view[data-tt_content]').innerHTML : "";

         if (window.location.href == DIRECTORY_URL) {
            // choose a streamer
            var streams = document.getElementsByClassName('qa-stream-preview');
            var validStreams = [];

            console.log(streams.length);
            for(var i=0; i < streams.length; i++) {
                // remove vodcasts and low viewer counts (might not have quality options)
                var isVodCast = streams[i].getElementsByClassName('is-watch-party').length;
                var viewerCount = streams[i].getElementsByClassName('card__info')[0].getElementsByClassName('ember-view')[0].innerHTML.split(' ')[0];

                if(!isVodCast && viewerCount > 100) {
                    validStreams.push(streams[i].getElementsByTagName('a')[0].href);
                }
            }

            if(validStreams.length) {
                // select a random stream
                window.location = validStreams[Math.floor(Math.random() * validStreams.length)];
            } else {
                // we filtered everything out... Go to #2 directly (to give a chance to get them to #1 and shuffle the streamer order a bit!)
                window.location = streams[Math.min(1, streams.length-1)].getElementsByTagName('a')[0].href;
            }
        } else if (currentGame != "Legends of Runeterra") {
            // get back to ESL!
            window.location = DIRECTORY_URL;
        } else {
            // re-evaluate every now and then and reload every few cycles incase something gets stuck
            nbReloads++;
            if(nbReloads >= 6) {
                location.reload();
            } else {
                setTimeout(stuff, 1000*60*5);
            }
        }
    }

    setTimeout(stuff, 1000*10);
})();