// ==UserScript==
// @name        osump_rank
// @namespace   osump_rank
// @description Adds ranks of players in osu mp links
// @include     http://osu.ppy.sh/mp/*
// @include     https://osu.ppy.sh/mp/*
// @version     1
// @grant       none
// ==/UserScript==


body = document.getElementsByTagName("body")[0];
tables = body.getElementsByTagName("table");
var regexp = /([0-9]+)/;
var regexpusr = /<a href=\"\/u\/[0-9]+\">(.*)<\/a>.*/;
var bestscore = 0;
var bestname = "";

for(i = 0; i < tables.length; i++)
{
    cells = tables[i].getElementsByTagName("td"); // change dis  to be more eff
    rows = tables[i].getElementsByTagName("tr"); // or maybe not, too lazy ;_;
    players = rows.length - 1;
    scoresNpeeps = [[]];

    bestscore = 0;
    bestname = "";

    for(x = 0; x < players; x++){
        scoresNpeeps[x][0] = Number(regexp.exec(tables[i].rows[x+1].cells[1].innerHTML.replace(/[,]/g, ""))[1]); //score
        scoresNpeeps[x][1] = regexpusr.exec(tables[i].rows[x+1].cells[3].innerHTML)[1];
    }

    scoresNpeeps.sort(sortBy);



    /*
    for(y = 0; y < cells.length; ++y)
    {
        if(cells[y].innerHTML.match(/<b>.*<\/b>/) != null)
        {
            var current_score_temp = cells[y].innerHTML.replace(/[,]/g, "");
            current_score = Number(regexp.exec(current_score_temp)[1]);
            if(bestscore < current_score)
            {
                bestscore = current_score;
                var name = regexpusr.exec(cells[y+2].innerHTML)[1];
                bestname = name;
            }

        }
    }*/
    var a = document.createElement("div");
    a.innerHTML = "<strong>Winner:</strong> " + scoresNpeeps[0][1] + " (Score: " + numberWithCommas(scoresNpeeps[0][0]) + ")";

    tables[i].parentNode.insertBefore(a, tables[i].previousSibling);
}

function sortBy(a,b) {
      return a[0] > b[0];
}

function numberWithCommas(x) {
    var parts = x.toString().split(".");
    parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
    return parts.join(".");
}