NitroType Race Difference Calculator

Shows how many races you're ahead or behind compared to other racers
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// ==UserScript==
// @name         NitroType Race Difference Calculator
// @namespace    http://tampermonkey.net/
// @version      1.5
// @description  Shows how many races you're ahead or behind compared to other racers
// @author       Malakai
// @license       MIt
// @match        https://www.nitrotype.com/racer/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function getMyRacesPlayed() {
        try {
            const persistData = localStorage.getItem('persist:nt');
            if (!persistData) {
                return null;
            }

            const parsedData = JSON.parse(persistData);

            if (parsedData.user) {
                const userData = JSON.parse(parsedData.user);
                if (userData.racesPlayed !== undefined) {
                    return userData.racesPlayed;
                }
            }

            return null;

        } catch (error) {
            return null;
        }
    }

    function getTheirRacesPlayed() {
        try {
            if (window.NTGLOBALS && window.NTGLOBALS.RACER_INFO) {
                return window.NTGLOBALS.RACER_INFO.racesPlayed;
            }
            return null;
        } catch (error) {
            return null;
        }
    }

    function displayRaceDifference(myRaces, theirRaces) {
        if (myRaces === null || theirRaces === null) {
            return;
        }

        const difference = myRaces - theirRaces;

        if (difference === 0) return;

        let text = '';
        let color = '';

        if (difference > 0) {
            text = `+${difference.toLocaleString()}`;
            color = '#59FFA0'; // Green for positive
        } else {
            text = `${difference.toLocaleString()}`;
            color = '#D62F3A'; // Red for negative
        }

        const totalRacesElement = document.querySelector('.profile-totalRaces');
        if (!totalRacesElement) {
            return;
        }

        const diffElement = document.createElement('div');
        diffElement.textContent = text;
        diffElement.style.cssText = `
            font-size: 18px;
            font-weight: bold;
            color: ${color};
            margin-top: 5px;
            line-height: 1;
            text-align: center;
            font-family: 'Arial', sans-serif;
        `;


        const totalRacesSpan = totalRacesElement.querySelector('.tss.plxxs');
        if (totalRacesSpan) {
            totalRacesElement.insertBefore(diffElement, totalRacesSpan);
        } else {
            totalRacesElement.appendChild(diffElement);
        }
    }

    function init() {
        const myRaces = getMyRacesPlayed();
        const theirRaces = getTheirRacesPlayed();

        if (myRaces !== null && theirRaces !== null) {
            displayRaceDifference(myRaces, theirRaces);
        }
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        setTimeout(init, 1000);
    }
})();