Geoguessr Google Maps Auto Opener with Country Info

Automatically opens Google Maps with the current GeoGuessr location, fetches country name, flag, TLD, driving side, language, currency, and phone prefix, and displays this info in a new window.
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// ==UserScript==
// @name         Geoguessr Google Maps Auto Opener with Country Info 
// @namespace    http://tampermonkey.net/
// @version      1.5
// @description  Automatically opens Google Maps with the current GeoGuessr location, fetches country name, flag, TLD, driving side, language, currency, and phone prefix, and displays this info in a new window.
// @author       0x978 (modified)
// @match        https://www.geoguessr.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=geoguessr.com
// @grant        GM_webRequest
// @license MIT
// ==/UserScript==

let globalCoordinates = {
    lat: 0,
    lng: 0
};

let googleMapsTab = null;  // Store the reference to the Google Maps tab
let countryWindow = null;  // Store the reference to the country info window

// Open or refresh Google Maps with the latest coordinates
function mapsFromCoords() {
    const { lat, lng } = globalCoordinates;
    if (!lat || !lng) {
        return;
    }

    const mapUrl = `https://maps.google.com/?output=embed&q=${lat},${lng}&ll=${lat},${lng}&z=5`;

    // If no Google Maps tab is open, open a new one
    if (!googleMapsTab || googleMapsTab.closed) {
        googleMapsTab = window.open(mapUrl, '_blank', 'width=800,height=600,left=1920,top=0');
        if (googleMapsTab) {
            googleMapsTab.focus();
        } else {
            console.error('Unable to open the new tab. Your browser may block popups.');
        }
    } else {
        // If the tab is open, update its location with the new coordinates
        googleMapsTab.location.href = mapUrl;
    }
}

// Fetch the country info (name, flag, TLD, driving side, language, currency, phone prefix) using Nominatim and REST Countries APIs
async function getCountryInfo(lat, lng) {
    const url = `https://nominatim.openstreetmap.org/reverse?lat=${lat}&lon=${lng}&format=json&addressdetails=1`;

    try {
        const response = await fetch(url);
        const data = await response.json();

        if (data && data.address && data.address.country) {
            const country = data.address.country;
            const countryCode = data.address.country_code.toUpperCase();  // ISO 3166-1 alpha-2 country code
            console.log(`Location: ${lat}, ${lng} - Country: ${country}`);

            // Fetch country information from REST Countries API
            const countryInfo = await getCountryInfoFromREST(countryCode);
            console.log(countryInfo);

            // Open a new window and display the country info
            if (!countryWindow || countryWindow.closed) {
                countryWindow = window.open('', '_blank', 'width=600,height=400,left=1920,top=0');
            }
            countryWindow.document.open();
            countryWindow.document.write(`
                <html>
                    <head>
                        <title>Country Information</title>
                        <style>
                            body {
                                font-family: Arial, sans-serif;
                                text-align: center;
                                padding: 20px;
                            }
                            .country-info {
                                margin-top: 20px;
                            }
                            .flag {
                                width: 100px;
                                height: auto;
                            }
                            .info {
                                margin-top: 10px;
                                font-size: 16px;
                            }
                        </style>
                    </head>
                    <body>
                        <h1>Country: ${country}</h1>
                        <p><strong>TLD:</strong> ${countryInfo.tld}</p>
                        <p><strong>Driving Side:</strong> ${countryInfo.drivesOn}</p>
                        <p><strong>Languages:</strong> ${countryInfo.languages.join(', ')}</p>
                        <p><strong>Currency:</strong> ${countryInfo.currency}</p>
                        <p><strong>Phone Prefix:</strong> ${countryInfo.phonePrefix}</p>
                        <div class="country-info">
                            <img src="https://flagcdn.com/w320/${countryCode.toLowerCase()}.png" class="flag" alt="Flag of ${country}" />
                        </div>
                    </body>
                </html>
            `);
            countryWindow.document.close();
        } else {
            console.error('Country not found in Nominatim response.');
        }
    } catch (error) {
        console.error('Error fetching country info:', error);
    }
}

// Fetch detailed country info (TLD, driving side, language, currency, phone prefix) using REST Countries API
async function getCountryInfoFromREST(countryCode) {
    const url = `https://restcountries.com/v3.1/alpha/${countryCode}`;
    try {
        const response = await fetch(url);
        const data = await response.json();

        const countryData = data[0];
        const tld = countryData.tld ? countryData.tld[0] : 'Unknown TLD';
        const drivesOn = countryData.car && countryData.car.side ? (countryData.car.side === 'left' ? 'Left' : 'Right') : 'Unknown';
        const languages = Object.values(countryData.languages || {});
        const currency = countryData.currencies ? Object.values(countryData.currencies)[0].name : 'Unknown';
        const phonePrefix = countryData.idd && countryData.idd.root && countryData.idd.suffixes
            ? countryData.idd.root + countryData.idd.suffixes[0]
            : 'Unknown';

        // Debug logs to check the fetched data
        console.log({
            countryCode,
            tld,
            drivesOn,
            languages,
            currency,
            phonePrefix
        });

        return {
            tld,
            drivesOn,
            languages,
            currency,
            phonePrefix
        };
    } catch (error) {
        console.error('Error fetching country info from REST Countries API:', error);
        return {
            tld: 'Unknown TLD',
            drivesOn: 'Unknown',
            languages: ['Unknown'],
            currency: 'Unknown',
            phonePrefix: 'Unknown'
        };
    }
}

// Intercept API call to get coordinates
var originalOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function(method, url) {
    if (method.toUpperCase() === 'POST' &&
        (url.startsWith('https://maps.googleapis.com/$rpc/google.internal.maps.mapsjs.v1.MapsJsInternalService/GetMetadata') ||
         url.startsWith('https://maps.googleapis.com/$rpc/google.internal.maps.mapsjs.v1.MapsJsInternalService/SingleImageSearch'))) {

        this.addEventListener('load', function () {
            let interceptedResult = this.responseText;
            const pattern = /-?\d+\.\d+,-?\d+\.\d+/g;
            let match = interceptedResult.match(pattern)[0];
            let split = match.split(",");

            globalCoordinates.lat = Number.parseFloat(split[0]);
            globalCoordinates.lng = Number.parseFloat(split[1]);

            // Automatically update Google Maps when new coordinates are received
            mapsFromCoords();

            // Get the country info based on the coordinates
            getCountryInfo(globalCoordinates.lat, globalCoordinates.lng);
        });
    }
    return originalOpen.apply(this, arguments);
};
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