Tribal Wars - Backtime

// ==UserScript==
// @name         Backtime times in inc screen
// @version      0.5.2
// @description  New table column with backtimes if the attacks are labelled correctly (lcav, hcav, noble etc.)
// @author       FunnyPocketBook
// @match        https://*/game.php?village=*&screen=overview_villages&mode=incomings*
// @grant        none
// ==/UserScript==
var table = document.querySelector("#incomings_table > tbody > tr:nth-child(1)");
var newBacktime = document.createElement("th"); // Table head for Backtime
newBacktime.setAttribute("style", "width:100px");
newBacktime.innerHTML = "Backtime";
table.appendChild(newBacktime);

var domain = document.domain;
var unitSpeed;
var worldSpeed;
var speed;

// Get world and unit speed
$(document).ready(function() {
    $.ajax({
        type: "GET",
        url: "https://" + domain + "/interface.php?func=get_config",
        dataType: "xml",
        success: function(xml) {
            unitSpeed = parseFloat(xml.querySelector("config > unit_speed").innerHTML);
            worldSpeed = parseFloat(xml.querySelector("config > speed").innerHTML);
            speed = unitSpeed * worldSpeed; // Set factor of unit speed
            backtimeCreate();
        }
    });
});



// Creates elements to put in the backtime times
function backtimeCreate() {
    "use strict";
    var tableLength = document.querySelector("#incomings_table > tbody").rows.length;
    // Make the bottom bar longer to make it look prettier
    if (document.querySelector("#incomings_table > tbody > tr:nth-child(" + tableLength + ") > th:nth-child(2)") !== null) {
        var bottomTh = document.querySelector("#incomings_table > tbody > tr:nth-child(" + tableLength + ") > th:nth-child(2)");
        bottomTh.setAttribute("colspan", "7");
    } else if (document.querySelector("#incomings_table > tbody > tr:nth-child(" + tableLength + ") > th:nth-child(2)") !== null) {
        var bottomTh1 = document.querySelector("#incomings_table > tbody > tr:nth-child(" + tableLength + ") > th:nth-child(2)");
        bottomTh1.setAttribute("colspan", "7");
    }

    // For every command, do
    for (var i = 2; i < tableLength; i++) {
        // Get attack names, remove any spaces and line breaks, make them lower case
        var attackName = document.querySelector("#incomings_table > tbody > tr:nth-child(" + i + ") > td:nth-child(1) > span > span > a:nth-child(1) > span.quickedit-label").innerHTML.replace(/(\r\n|\n|\r)/gm, "").replace(/ /g, "").toLowerCase();

        // Get coordinates of origin and destination village
        var destination = document.querySelector("#incomings_table > tbody > tr:nth-child(" + i + ") > td:nth-child(2) > a").innerHTML.slice(-12).substr(0, 7);
        var origin = document.querySelector("#incomings_table > tbody > tr:nth-child(" + i + ") > td:nth-child(3) > a").innerHTML.slice(-12).substr(0, 7);

        // Get x and y of destination and origin
        var x1 = destination.substr(0, 3);
        var y1 = destination.slice(-3);
        var x2 = origin.substr(0, 3);
        var y2 = origin.slice(-3);

        // Calculate the exact distance between both villages
        var x = Math.abs(x1 - x2);
        var y = Math.abs(y1 - y2);
        x = x * x;
        y = y * y;
        var distance = Math.sqrt(x + y);

        var unitSpeedDefault;
        // Set the slowest unit speed based on the label of the attack
        if (attackName.includes("axe") || attackName.includes("spear") || attackName.includes("archer")) {
            unitSpeedDefault = 18;
        } else if (attackName.includes("sword")) {
            unitSpeedDefault = 22;
        } else if (attackName.includes("spy")) {
            unitSpeedDefault = 9;
        } else if (attackName.includes("lcav") || attackName.includes("marcher")) {
            unitSpeedDefault = 10;
        } else if (attackName.includes("hcav")) {
            unitSpeedDefault = 11;
        } else if (attackName.includes("ram") || attackName.includes("cat")) {
            unitSpeedDefault = 30;
        } else if (attackName.includes("noble")) {
            unitSpeedDefault = 35;
        }
        var unitSpeedReal = unitSpeedDefault / speed; // Minutes per field
        var time = unitSpeedReal * distance; // Duration of the attack in minutes
        time = convertToTime(time); // Convert the minutes to a string in the format HH:MM:SS
        // Get the arrival time
        var incTime = document.querySelector("#incomings_table > tbody > tr:nth-child(" + i + ") > td:nth-child(6)").innerText;
        var subIncTime = incTime.slice(-12);
        subIncTime = subIncTime.substring(0, 8);
        var backtime = calculate(subIncTime, time); // Calculate the time when the troops of the attacker are back at his village
        // Create td to put in the backtime time
        var backtimeTd = document.createElement("td");
        backtimeTd.setAttribute("id", "backtimeTd" + i);
        backtimeTd.innerHTML = backtime;
        var tr = document.querySelector("#incomings_table > tbody > tr:nth-child(" + i + ")");
        tr.appendChild(backtimeTd);
        if (attackName !== "axe" && attackName !== "spear" && attackName !== "archer" && attackName !== "sword" && attackName !== "spy" && attackName !== "lcav" && attackName !== "marcher" && attackName !== "hcav" && attackName !== "ram" && attackName !== "cat" && attackName !== "noble") {
            document.getElementById("backtimeTd" + i).innerHTML = "Please label the incoming attack correctly";
        }
    }
}


// Convert minutes to HH:MM:SS
function convertToTime(duration) {
    "use strict";
    var seconds = (duration - parseInt(duration)) * 60;
    seconds = Math.round(seconds);
    duration = parseInt(duration);
    var minutes = duration % 60;
    duration = duration - minutes;
    var hours = duration / 60;
    hours = ("0" + hours).slice(-2);
    minutes = ("0" + minutes).slice(-2);
    seconds = ("0" + seconds).slice(-2);
    return hours + ":" + minutes + ":" + seconds;
}

// Add two times
function calculate(time1, time2) {
    "use strict";
    var time1Split = time1.split(":");
    var time2Split = time2.split(":");
    var s1 = parseInt(time1Split[2]);
    var m1 = parseInt(time1Split[1]);
    var h1 = parseInt(time1Split[0]);
    var s2 = parseInt(time2Split[2]);
    var m2 = parseInt(time2Split[1]);
    var h2 = parseInt(time2Split[0]);
    var s = s1 + s2;
    var m = m1 + m2;
    var h = h1 + h2;
    if (s >= 60) {
        s = s - 60;
        m = m + 1;
    }
    if (m >= 60) {
        m = m - 60;
        h = h + 1;
    }
    var days = 0;
    while (h >= 24) {
        h = h - 24;
        days++;
    }
    var hr = h;
    var min = m;
    var sec = s;
    var day;
    if (days === 0) {
        day = "same day as arrival at ";
    } else if (days === 1) {
        day = "one day after arrival at ";
    } else {
        day = days + " days after arrival at ";
    }
    hr = ("0" + hr).slice(-2);
    min = ("0" + min).slice(-2);
    sec = ("0" + sec).slice(-2);
    return day + hr + ":" + min + ":" + sec;
}