// ==UserScript==
// @name         AvistaZ H&R stats
// @description  Shows you if a torrent is H&R before you stop seeding it
// @require      http://code.jquery.com/jquery-3.5.1.js
// @match        http://avistaz.to/profile/*/history*
// @match        https://avistaz.to/profile/*/history*
// @version 0.0.1.20200627153427
// @namespace https://greasyfork.org/users/656892
// ==/UserScript==
var tbl = document.getElementsByTagName('tbody')[0];
var span = document.createElement("span");
span.appendChild(document.createTextNode("H&R?"));
var th = document.createElement("th");
th.appendChild(span);
document.getElementsByTagName('thead')[0].rows[0].appendChild(th);
var fileSize = /(\d+\.\d+) ([TGMK]?B)/;
function appendColumn() {
for (var i = 0; i < tbl.rows.length; i++) {
var row = tbl.rows[i];
var size = toGB(row.cells[1].innerHTML.match(fileSize)[0]);
var downloaded = toGB(row.cells[6].innerHTML.match(fileSize)[0]);
var ratio = row.cells[7].innerHTML.match(/(\d+\.\d+)|∞/)[0];
ratio == "∞" ? 999.99 : parseFloat(ratio);
var seedTimeHrs = parseInt(row.cells[10].innerHTML.match(/\d+/)[0])/60;
var hoursLeft = hoursNeeded(size) - seedTimeHrs;
var isHnR = ratio < 0.9 && downloaded/size >= 0.1 && hoursLeft > 0;
createCell(row.insertCell(-1), isHnR? hoursLeft.toFixed(2) : 0, (isHnR ? "text-red" : "text-success") + " text-bold");
}
}
function hoursNeeded(size) {
return size < 50 ?
72 + (2*size) :
(100*Math.log(size))-219.2023;
}
function toGB(string) {
var regexp = string.match(fileSize);
var size = parseFloat(regexp[1]);
var unit = regexp[2];
var factor;
switch(unit) {
case "TB":
factor = 1000;
break;
case "GB":
factor = 1;
break;
case "MB":
factor = 1/1000;
break;
case "KB":
factor = 1/1000000; // 10^-6
break;
case "B":
factor = 1/1000000000; // 10^-9
break;
default:
return 0;
}
return size * factor;
}
function createCell(cell, text, style) {
var div = document.createElement('span'),
txt = document.createTextNode(text);
div.appendChild(txt);
div.setAttribute('class', style);
cell.appendChild(div);
}
appendColumn();