// ==UserScript==
// @name         Bonus Calculator
// @version      1.0
// @include      https://pt.btschool.club/*
// @require      http://code.jquery.com/jquery-1.11.0.min.js
// @description  A script of calulating bonus
// @author       rsj
// @match        https://pt.btschool.club/*
// @namespace https://greasyfork.org/users/779978
// ==/UserScript==
(function() {
'use strict';
function calc(T,S,N){
var T0,N0,L,B0;
T0=200;N0=7;B0=100;L=1000;
var std=(1-1/Math.pow(10,T/T0))*(1+Math.sqrt(2)/Math.pow(10,(N-1)/(N0-1)));
var A=std*S;
var B=B0*2/Math.PI*Math.atan(A/L);
return std;
}
function convertsize(size){
if(size.indexOf("TB")!=-1) return size.substring(0,size.indexOf("TB"))*1024;
if(size.indexOf("GB")!=-1) return size.substring(0,size.indexOf("GB"));
if(size.indexOf("MB")!=-1) return size.substring(0,size.indexOf("MB"))/1024;
if(size.indexOf("KB")!=-1) return size.substring(0,size.indexOf("KB"))/1024/1024;
if(size.indexOf("B")!=-1) return size.substring(0,size.indexOf("B"))/1024/1024/1024;
return 0;
}
function convertdate(date){
var time=Date.parse(new Date());
var curtime=Date.parse(new Date(date));
var day=(time-curtime)/(1000*60*60*24*7);
return day;
}
var torrents = $(".torrents > tbody > tr"),area = $(".torrents > tbody");
var q=[],src=[];
torrents.eq(0).find("> td").eq(2).after("<td id=\"delta_A\" class=\"colhead\"><a href='javascript:void(0)'>ΔA</a></td>");
var rh = $("#delta_A");
var head = torrents.eq(0);
for(var i=1;i<torrents.length;i++){
var torrent = torrents.eq(i);
var rows = torrent.find("> td");
var date = convertdate(rows.eq(3).find("span").attr("title"));
var size = convertsize(rows.eq(4).text());
var seeders = rows.eq(5).find("a").text();
var bonus = calc(date,size,seeders);
rows.eq(2).after("<td class=\"rowfollow\">"+(bonus*size).toFixed(4)+"</td>");
var c={ content: torrent, number: bonus };
q.push(c);
src.push(c);
}
var sorted=0;
q.sort(function(b,a){return a.number-b.number;});
rh.get(0).addEventListener("click", function(){
area.empty();
area.append(head);
if(sorted) for(i=0;i<src.length;i++) area.append(src[i].content);
else for(i=0;i<q.length;i++) area.append(q[i].content);
sorted=1-sorted;
});
})();