// ==UserScript==
// @name            Shipment Times v 0.2.5
// @namespace       http://ikariamlibrary.com/
// @description     A script for Ikariam that shows loading times for each shipment
// @include         http://s*.ikariam.*/*
// @exclude         http://board.ikariam.*/*
// ==/UserScript==

var SERVER_SPEED = 1;

Array.prototype.last = function()
{
	return this[this.length - 1]
}

/**
 *	Returns the name of the city
 */
/*function getCityName()
{
	var city_raw = document.getElementById('citySelect')[document.getElementById('citySelect').selectedIndex].innerHTML.split(" ");
	return city_raw[city_raw.length-1];
}*/
function getCityName()
{
	var city_raw = document.getElementById('citySelect')[document.getElementById('citySelect').selectedIndex].innerHTML;
	// Is the player showing cords?
	if (city_raw.indexOf(":") != -1)
	{
		// Showing cords
		var cordsEnd = city_raw.indexOf("]") + 2;
		return city_raw.substring(cordsEnd, city_raw.length);
	}
	else 
	{
		// Not showing cords
		return city_raw;
	}
}
/**
 *	Returns wether the argument is an integer or not
 */
window.isInteger = function(s){
	return (s.toString().search(/^-?[0-9]+$/) == 0);
}

/**
 *	Gets the resource number for the given field. If it's null return 0 (happens when the field is empty)
 */
function getResource(field)
{
	if ((document.getElementById(field)) == null) 
	{
		return 0;
	}
	else 
	{
		return parseInt(document.getElementById(field).value);
	}
} 
 
/**
 *	Adjusts the loadingtime each time the number of resources is changed
 */
window.adjustLoadingTime = function(port_lvl)
{
try
{
	var total_res;
	var marble_res = getResource('textfield_marble');
	var crystal_res = getResource('textfield_glass');
	// some server it's sulfur, some its sulphur. just add the together. can't happend twice and if the other doens't exists it returns 0
	var sulphur_res = getResource('textfield_sulphur') +  getResource('textfield_sulfur'); 
	var wine_res = getResource('textfield_wine');
	var wood_res = getResource('textfield_wood');
	
	// Get total ammount of resources that will be sent
	total_res = wood_res + wine_res + sulphur_res + marble_res + crystal_res;
	if (!isInteger(total_res))
		total_res = 0;
			   
	// Get the transport time
	var divTime, time, restTime, travelHour, travelMin, travelSec, loadHour, loadMin, loadSec, loadSpeed, hour, min, sec;
	divTime = document.getElementById('missionSummary').childNodes[1].childNodes[3].innerHTML;
	restTime = divTime.split(" = ")[0].split(" + ");

	// Parse time, depending on how big it is
	timeAr = restTime[1].split(' ');
	travelHour = 0;
	travelMin = 0;
	travelSec = 0;
	if (timeAr.length == 3)
	{
		travelHour = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
		travelMin = parseInt(timeAr[1].substring(0,timeAr[1].length-1));
		travelSec = parseInt(timeAr[2].substring(0,timeAr[2].length-1));
	}
	else if (timeAr.length == 2)
	{
		if (timeAr[0].search('h') != -1)
			travelHour = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
		if (timeAr[1].search('h') != -1)
			travelHour = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
		if (timeAr[0].search('m') != -1)
			travelMin = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
		if (timeAr[1].search('m') != -1)
			travelMin = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
		if (timeAr[0].search('s') != -1)
			travelSec = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
		if (timeAr[1].search('s') != -1)
			travelSec = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
	}
	else if (timeAr.length == 1)
	{
		if (timeAr[0].search('h') != -1)
			travelHour = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
		if (timeAr[0].search('m') != -1)
			travelMin = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
		if (timeAr[0].search('s') != -1)
			travelSec = parseInt(timeAr[0].substring(0,timeAr[0].length-1));
	}

	// Calculate loading times
	loadingSpeeds = new Array(3, // 0
	30,
	60,
	93,
	129,
	169, //5
	213,
	261,
	315,
	373,
	437, //10
	508,
	586,
	672,
	766,
	869, //15
	983,
	1108,
	1246,
	1398,
	1565, // 20
	1748,
	1950,
	2172,
	2416);
	loadingSpeed = (loadingSpeeds[port_lvl]) * SERVER_SPEED;
	loadSec = Math.round(60*total_res / loadingSpeed);
	loadHour = Math.floor(loadSec / 60 / 60);
	loadSec -= loadHour * 60 * 60;
	loadMin = Math.floor(loadSec / 60);
	loadSec -= loadMin * 60;
	 
	// Calculate total
	sec = Math.round(60*total_res / loadingSpeed) + travelSec + travelMin*60 + travelHour*60*60;
	hour = Math.floor(sec / 60 / 60);
	sec -= hour * 60 * 60;
	min = Math.floor(sec / 60);
	sec -= min * 60;
	  
	document.getElementById('missionSummary').childNodes[1].childNodes[3].innerHTML =
		"<span class='textLabel'>Duration of journey: </span>"+   	loadHour+"h "+loadMin+"m "+loadSec + "s + " +
																	travelHour+"h "+travelMin+"m "+travelSec + "s = " + "<strong>" +
																	hour+"h "+min+"m "+sec + "s" + "</strong>";
}
catch(er) {alert(er);}
}

window.addEventListener('load',  function()
{
try
{
	// Check if you are at the transport page
	if (document.getElementById('transport') != null)
	{
		var sliders = unsafeWindow.sliders;
		var city = getCityName();
		var port_lvl = GM_getValue(city+"_port_lvl",0);
		// Make sure the adjust functions is called when the ammount of resources changes
		if (unsafeWindow.swood) { unsafeWindow.swood.subscribe(	"change", function() {adjustLoadingTime(port_lvl);}); }
		if (unsafeWindow.smarble) { unsafeWindow.smarble.subscribe(	"change", function() {adjustLoadingTime(port_lvl);}); }
		if (unsafeWindow.swine) { unsafeWindow.swine.subscribe(	"change", function() {adjustLoadingTime(port_lvl);}); }
		if (unsafeWindow.ssulfur) { unsafeWindow.ssulfur.subscribe(	"change", function() {adjustLoadingTime(port_lvl);}); }
		if (unsafeWindow.sglass) { unsafeWindow.sglass.subscribe("change", function() {adjustLoadingTime(port_lvl);}); }

		// Add loading time to duration time
		var html = document.getElementById('missionSummary').childNodes[1].childNodes[3].innerHTML.split("</span>");
		document.getElementById('missionSummary').childNodes[1].childNodes[3].innerHTML = html[0] + "</span> 0h 0m 0s + " + html[1] + " = <strong>" + html[1] + "</strong>";
   }
   
	// Check if the city page is loaded, and if so, update the portsize
	if (document.getElementById('city') != null)
	{
		var city = document.getElementById('citySelect')[document.getElementById('citySelect').selectedIndex].innerHTML;

		var positions = document.getElementById('locations');
		for (var i = 0; i < positions.childNodes.length; i++)
		{
			if (positions.childNodes[i].className == "port")
			{
				var aPortLevel = (positions.childNodes[i].childNodes[3].title.split(" "));
				GM_setValue(city+'_port_lvl', parseInt(aPortLevel.last()));
			}
		}
	}
}
catch(er){
	alert("Shipment Times has encountered an error\nPlease post a message on the Ikariam Library forums quoting the error below and which page it was received on\n" + er);
}
},
	true);