// ==UserScript==
// @name         Torn war calcs
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.torn.com/factions.php?step=your
// @grant        none
// ==/UserScript==

(function() {
	'use strict';
	var createdButtons = false;
	window.setInterval(function(){
		var wars = document.getElementsByClassName("warListItem___AXFi0");
		if (wars.length > 0){
			Array.prototype.forEach.call(wars, function(war, index) {
				if(index != 0) {
					var score = war.getElementsByClassName('score green')[0].innerHTML.replace(/,/g,"");
					var scores = score.split("/");
					var attackers = war.getElementsByClassName('member-count')[0].innerHTML.replace(/(<([^>]+)>)/ig,"");
					var defenders = war.getElementsByClassName('member-count')[1].innerHTML.replace(/(<([^>]+)>)/ig,"");
					var seconds;
					var color = "black"
					if (attackers > defenders) {
						seconds = Math.round((scores[1] - scores[0]) / (attackers - defenders))
						color = 'green'
					} else if (defenders > attackers) {
						seconds = Math.round( scores[0] / (defenders - attackers))
						color = 'red'
					} else {
						seconds = 0
					}
					var timeleft = secondsToHms(seconds)
					var timer = war.getElementsByClassName('timer')[0]
					if (createdButtons == false) {

						var x = document.createElement("SPAN");
						x.classList.add("war"+index)
						x.innerHTML = timeleft
						x.setAttribute('style', 'color: '+color+';');
						timer.prepend(x)

					} else {
						war.getElementsByClassName('war'+index)[0].innerHTML = timeleft
						war.getElementsByClassName('war'+index)[0].setAttribute('style', 'color: '+color+';');
					}
				}
			})
		}
		if (createdButtons == false) {

			createdButtons = true
		}

	}, 1000);


	function secondsToHms(d) {
		if (d != 0) {

			var seconds = parseInt(d, 10);

			var days = Math.floor(seconds / (3600*24));
			seconds  -= days*3600*24;
			var hrs   = Math.floor(seconds / 3600);
			seconds  -= hrs*3600;
			var mnts = Math.floor(seconds / 60);
			seconds  -= mnts*60;
			return minTwoDigits(days)+":"+minTwoDigits(hrs)+":"+minTwoDigits(mnts)+":"+minTwoDigits(seconds) + '/';
		} else {
			return "Neutral"
		}

	}
	function minTwoDigits(n) {
		return (n < 10 ? '0' : '') + n;
	}
})();