// ==UserScript==
// @name           eve_trd
// @description    evetard
// @namespace      evetrd
// @match		   https://eve-central.com/tradetool/
// @version        0.03
// @run-at		   document-end
// ==/UserScript==

$ = unsafeWindow.$;   //JQuery hack

var MAX_ROUTES = 5;
var MAX_QUERIES = 5;

var regions = new Array();
var routes = new Array();

var curFrom = 0, curTo = 0;
var complete = 0;

function parse(arr)
{
	var res = new Array();
	for(var i = 0; i < arr.size(); i+=5)
	{
		var route = new Object();
		route.id = i;
		route.from = arr[i].childNodes[1].innerHTML.slice(12);
		route.to = arr[i].childNodes[3].innerHTML.slice(11);
		route.jumps = parseInt(arr[i].childNodes[5].innerHTML.slice(13), 10);

		route.item = arr[i+1].childNodes[1].childNodes[2].innerHTML;
		route.profit = parseFloat(arr[i+3].childNodes[1].childNodes[1].data.slice(1).replace(/,/g, ""), 10);
		route.ppj = parseFloat(arr[i+3].childNodes[5].childNodes[1].data.slice(1).replace(/,/g, ""), 10);
		route.ppt = parseFloat(arr[i+3].childNodes[3].childNodes[1].data.slice(1).replace(/,/g, ""), 10);

		route.html = "<tr>" + arr[i].innerHTML + "</tr>" + "<tr>" + arr[i+1].innerHTML + "</tr>" + "<tr>" + arr[i+2].innerHTML + "</tr>" + "<tr>" + arr[i+3].innerHTML + "</tr>" + "<tr>" + arr[i+4].innerHTML + "</tr>";

		res.push(route);
	}
	return res;
}

function query(from, to)
{
	var container = $("#cont").load("https://eve-central.com/home/tradefind_display.html?qtype=Regions&newsearch=1&fromt="+from+"&to="+to+" #bodyText", function()
	{
		complete ++;
		$("#complete").html(complete.toString());

		if(--curTo < 0)
		{
			curTo = regions.length-1;
			if(--curFrom < 0)
				return;
		}
		query(regions[curFrom], regions[curTo]);

		var arr = container.children(":first").children("table").children(":first").children();

		if(arr.size() == 0)
			return; //пустой ответ

		var rts = parse(arr);

		for(var i = 0; i < rts.length; i++)
		{
			var r = rts[i];
			if(routes.length < MAX_ROUTES)
			{
				$("#out").append(r.html);
				routes.push(r);

			}else
			{
				routes.sort(function(a, b){return b.ppt < a.ppt;});
				for(var c = 0; c < routes.length; c++)
				{
					/***************/
					if(routes[c].ppt < r.ppt) // условие более выгодной сделки. Если истина, то новый вариант (r) более выгоден
					{
						routes[c] = r;

						routes.sort(function(a, b){return b.ppt > a.ppt;});

						$("#out").empty();
						for(var i=0; i < routes.length; i++)
						{
							$("#out").append(routes[i].html);//.animate({opacity: 0.7}, 100).animate({opacity: 1}, 100);
						}
						break;
					}
				}
			}
		}
	});
}

$("#bodyText").prepend("<div id='log' style='display: block;'></div><div id='cont' style='display: none;'></div><table id='out'></div>");
$("#log").append("Loading regions... ");
$("#cont").load("https://eve-central.com/home/tradefind_search.html?qtype=Regions&fromt=&to= #bodyText", function()
{
	$("#cont input[name='fromt']").each(function(index)
										{
											regions.push( $(this).attr('value') );
										});
	$("#log").append("Done<br/>");
	$("#log").append("Loading " +regions.length*regions.length+ " combinations, ");
	$("#log").append("<span id='complete'>0</span> complete");

	$("#cont").empty();

	var q = 0;
	for(curFrom = regions.length-1; curFrom > 0 && q < MAX_QUERIES; curFrom--)
	{
		from = regions[curFrom];
		for(curTo = regions.length-1; curTo > 0 && q < MAX_QUERIES; curTo--)
		{
			to = regions[curTo];
			q++;
			query(from, to);
		}
	}
});