// ==UserScript==
// @name         Country Streak Counter
// @version      1.3.5
// @description  Adds a country streak counter to the GeoGuessr website
// @match        https://www.geoguessr.com/*
// @author       victheturtle#5159
// @license      MIT
// @icon         https://www.google.com/s2/favicons?sz=64&domain=geoguessr.com
// @namespace    https://greasyfork.org/users/967692-victheturtle
// @downloadURL none
// ==/UserScript==
// Credits to subsymmetry for the original version of the Streak Counter

const ENABLED_ON_CHALLENGES = false;
//                            ^^^^^ Replace with true or false to enable the counter on challenges as well

const API_Key = 'INSERT_BIGDATACLOUD_API_KEY_HERE';
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Replace INSERT_BIGDATACLOUD_API_KEY_HERE with your API key (keep the quote marks)

const AUTOMATIC = true;
//                ^^^^ Replace with false for a manual counter. Note that without a valid API key, the counter will be manual anyway

const CountryDict = {
    AF: 'AF',
    AX: 'FI', // Aland Islands
    AL: 'AL',
    DZ: 'DZ',
    AS: 'US', // American Samoa
    AD: 'AD',
    AO: 'AO',
    AI: 'GB', // Anguilla
    AQ: 'AQ', // Antarctica
    AG: 'AG',
    AR: 'AR',
    AM: 'AM',
    AW: 'NL', // Aruba
    AU: 'AU',
    AT: 'AT',
    AZ: 'AZ',
    BS: 'BS',
    BH: 'BH',
    BD: 'BD',
    BB: 'BB',
    BY: 'BY',
    BE: 'BE',
    BZ: 'BZ',
    BJ: 'BJ',
    BM: 'GB', // Bermuda
    BT: 'BT',
    BO: 'BO',
    BQ: 'NL', // Bonaire, Sint Eustatius, Saba
    BA: 'BA',
    BW: 'BW',
    BV: 'NO', // Bouvet Island
    BR: 'BR',
    IO: 'GB', // British Indian Ocean Territory
    BN: 'BN',
    BG: 'BG',
    BF: 'BF',
    BI: 'BI',
    KH: 'KH',
    CM: 'CM',
    CA: 'CA',
    CV: 'CV',
    KY: 'UK', // Cayman Islands
    CF: 'CF',
    TD: 'TD',
    CL: 'CL',
    CN: 'CN',
    CX: 'AU', // Christmas Islands
    CC: 'AU', // Cocos (Keeling) Islands
    CO: 'CO',
    KM: 'KM',
    CG: 'CG',
    CD: 'CD',
    CK: 'NZ', // Cook Islands
    CR: 'CR',
    CI: 'CI',
    HR: 'HR',
    CU: 'CU',
    CW: 'NL', // Curacao
    CY: 'CY',
    CZ: 'CZ',
    DK: 'DK',
    DJ: 'DJ',
    DM: 'DM',
    DO: 'DO',
    EC: 'EC',
    EG: 'EG',
    SV: 'SV',
    GQ: 'GQ',
    ER: 'ER',
    EE: 'EE',
    ET: 'ET',
    FK: 'GB', // Falkland Islands
    FO: 'DK', // Faroe Islands
    FJ: 'FJ',
    FI: 'FI',
    FR: 'FR',
    GF: 'FR', // French Guiana
    PF: 'FR', // French Polynesia
    TF: 'FR', // French Southern Territories
    GA: 'GA',
    GM: 'GM',
    GE: 'GE',
    DE: 'DE',
    GH: 'GH',
    GI: 'UK', // Gibraltar
    GR: 'GR',
    GL: 'DK', // Greenland
    GD: 'GD',
    GP: 'FR', // Guadeloupe
    GU: 'US', // Guam
    GT: 'GT',
    GG: 'GB', // Guernsey
    GN: 'GN',
    GW: 'GW',
    GY: 'GY',
    HT: 'HT',
    HM: 'AU', // Heard Island and McDonald Islands
    VA: 'VA',
    HN: 'HN',
    HK: 'CN', // Hong Kong
    HU: 'HU',
    IS: 'IS',
    IN: 'IN',
    ID: 'ID',
    IR: 'IR',
    IQ: 'IQ',
    IE: 'IE',
    IM: 'GB', // Isle of Man
    IL: 'IL',
    IT: 'IT',
    JM: 'JM',
    JP: 'JP',
    JE: 'GB', // Jersey
    JO: 'JO',
    KZ: 'KZ',
    KE: 'KE',
    KI: 'KI',
    KR: 'KR',
    KW: 'KW',
    KG: 'KG',
    LA: 'LA',
    LV: 'LV',
    LB: 'LB',
    LS: 'LS',
    LR: 'LR',
    LY: 'LY',
    LI: 'LI',
    LT: 'LT',
    LU: 'LU',
    MO: 'CN', // Macao
    MK: 'MK',
    MG: 'MG',
    MW: 'MW',
    MY: 'MY',
    MV: 'MV',
    ML: 'ML',
    MT: 'MT',
    MH: 'MH',
    MQ: 'FR', // Martinique
    MR: 'MR',
    MU: 'MU',
    YT: 'FR', // Mayotte
    MX: 'MX',
    FM: 'FM',
    MD: 'MD',
    MC: 'MC',
    MN: 'MN',
    ME: 'ME',
    MS: 'GB', // Montserrat
    MA: 'MA',
    MZ: 'MZ',
    MM: 'MM',
    NA: 'NA',
    NR: 'NR',
    NP: 'NP',
    NL: 'NL',
    AN: 'NL', // Netherlands Antilles
    NC: 'FR', // New Caledonia
    NZ: 'NZ',
    NI: 'NI',
    NE: 'NE',
    NG: 'NG',
    NU: 'NZ', // Niue
    NF: 'AU', // Norfolk Island
    MP: 'US', // Northern Mariana Islands
    NO: 'NO',
    OM: 'OM',
    PK: 'PK',
    PW: 'PW',
    PS: 'IL', // Palestine
    PA: 'PA',
    PG: 'PG',
    PY: 'PY',
    PE: 'PE',
    PH: 'PH',
    PN: 'GB', // Pitcairn
    PL: 'PL',
    PT: 'PT',
    PR: 'US', // Puerto Rico
    QA: 'QA',
    RE: 'FR', // Reunion
    RO: 'RO',
    RU: 'RU',
    RW: 'RW',
    BL: 'FR', // Saint Barthelemy
    SH: 'GB', // Saint Helena
    KN: 'KN',
    LC: 'LC',
    MF: 'FR', // Saint Martin
    PM: 'FR', // Saint Pierre and Miquelon
    VC: 'VC',
    WS: 'WS',
    SM: 'SM',
    ST: 'ST',
    SA: 'SA',
    SN: 'SN',
    RS: 'RS',
    SC: 'SC',
    SL: 'SL',
    SG: 'SG',
    SX: 'NL', // Sint Maarten
    SK: 'SK',
    SI: 'SI',
    SB: 'SB',
    SO: 'SO',
    ZA: 'ZA',
    GS: 'GB', // South Georgia and the South Sandwich Islands
    ES: 'ES',
    LK: 'LK',
    SD: 'SD',
    SR: 'SR',
    SJ: 'NO', // Svalbard and Jan Mayen
    SZ: 'SZ',
    SE: 'SE',
    CH: 'CH',
    SY: 'SY',
    TW: 'TW', // Taiwan
    TJ: 'TJ',
    TZ: 'TZ',
    TH: 'TH',
    TL: 'TL',
    TG: 'TG',
    TK: 'NZ', // Tokelau
    TO: 'TO',
    TT: 'TT',
    TN: 'TN',
    TR: 'TR',
    TM: 'TM',
    TC: 'GB', // Turcs and Caicos Islands
    TV: 'TV',
    UG: 'UG',
    UA: 'UA',
    AE: 'AE',
    GB: 'GB',
    US: 'US',
    UM: 'US', // US Minor Outlying Islands
    UY: 'UY',
    UZ: 'UZ',
    VU: 'VU',
    VE: 'VE',
    VN: 'VN',
    VG: 'GB', // British Virgin Islands
    VI: 'US', // US Virgin Islands
    WF: 'FR', // Wallis and Futuna
    EH: 'MA', // Western Sahara
    YE: 'YE',
    ZM: 'ZM',
    ZW: 'ZW'
};

const _AUTOMATIC = (AUTOMATIC && API_Key.toLowerCase().match("^(bdc_)?[a-f0-9]{32}$") != null);
const ERROR_RESP = -1000000;
let streak = parseInt(sessionStorage.getItem("Streak") || 0, 10);

const _cndic = {};
const hrefset = new Set();
async function scanStyles() {
    for (let node of document.querySelectorAll('head link[rel="preload"], head style[data-n-href*=".css"]')) {
        const href = node.href || location.origin+node.dataset.nHref;
        if (hrefset.has(href)) continue;
        hrefset.add(href);
        await fetch(href)
        .then(res => res.text())
        .then(stylesheet => {
            for (let className of stylesheet.split(".")) {
                const ind = className.indexOf("__");
                if (ind != -1) _cndic[className.substr(0, ind+2)] = className.substr(0, ind+7);
            };
        });
    };
};
const cn = (classNameStart) => _cndic[classNameStart]; // cn("status_section__") -> "status_section__8uP8o"

function checkGameMode() {
    return (location.pathname.startsWith("/game/") || (ENABLED_ON_CHALLENGES && location.pathname.startsWith("/challenge/")));
};

function geoguessrStyle(number) {
    return `<div class="${cn("guess-description-distance_distanceLabel__")}">
                <div class="${cn("slanted-wrapper_root__")} ${cn("slanted-wrapper_variantWhiteTransparent__")} ${cn("slanted-wrapper_roundnessSmall__")}">
                    <div class="${cn("slanted-wrapper_start__")} ${cn("slanted-wrapper_right__")}"></div>
                    <div class="${cn("guess-description-distance_distanceValue__")}">${number}</div>
                    <div class="${cn("slanted-wrapper_end__")} ${cn("slanted-wrapper_right__")}"></div>
                </div>
            </div>`;
};

function addStreakStatusBar() {
    const status_length = document.getElementsByClassName(cn("status_section__")).length;
    if (document.getElementById("country-streak") == null && status_length >= 3) {
        const newDiv = document.createElement("div");
        newDiv.className = cn('status_section__');
        newDiv.innerHTML = `<div class="${cn("status_label__")}">Streak</div>
        <div id="country-streak" class="${cn("status_value__")}">${streak}</div>`;
        const statusBar = document.getElementsByClassName(cn("status_inner__"))[0];
        statusBar.insertBefore(newDiv, statusBar.children[3]);
    };
};

function addStreakRoundResult() {
    if (document.getElementById("country-streak2") == null && !!document.querySelector('div[data-qa="guess-description"]')
            && !document.querySelector('div[class*="standard-final-result_section__"]')) {
        const newDiv = document.createElement("div");
        newDiv.innerHTML = `<div id="country-streak2" style="text-align:center;margin-top:10px;"><h2><i>Country Streak: ${streak}</i></h2></div>`;
        document.querySelector('div[data-qa="guess-description"]').appendChild(newDiv);
    };
};

function addStreakGameSummary() {
    if (document.getElementById("country-streak2") == null && !!document.querySelector('div[class*="standard-final-result_section__"]')) {
        const newDiv = document.createElement("div");
        newDiv.innerHTML = `<div id="country-streak2" style="text-align:center;margin-top:10px;"><h2><i>Country Streak: ${streak}</i></h2></div>`;
        const progressSection = document.querySelector('div[class*="standard-final-result_progressSection__"]');
        progressSection.parentNode.insertBefore(newDiv, progressSection.parentNode.children[2]);
        progressSection.style.marginTop = "10px";
        progressSection.style.marginBottom = "10px";
    };
};

function updateStreak(newStreak) {
    if (newStreak === ERROR_RESP) {
        if (document.getElementById("country-streak2") != null && (!!document.querySelector('div[data-qa="guess-description"]'))) {
            document.getElementById("country-streak2").innerHTML =
                `<div><i>Country codes could not be fetched. If your API key is new, it should activate soon.</i></div>
                 <div><i>Check for typos in the API key. You might also see this message if bigdatacloud is down</i></div>
                 <div><i>or in the unlikely event that you have exceeded you quota limit of 50,000 requests.</i></div>
                 <div><i>In the meantime, you can press 1 to count the country as correct, or press 0 otherwise.</i></div>`;
        }
        return;
    }
    sessionStorage.setItem("Streak", newStreak);
    if (!(streak > 0 && newStreak == 0)) {
        sessionStorage.setItem("StreakBackup", newStreak);
    };
    if (document.getElementById("country-streak") != null) {
        document.getElementById("country-streak").innerHTML = newStreak;
    };
    if (document.getElementById("country-streak2") != null) {
        document.getElementById("country-streak2").innerHTML = `<h2><i>Country Streak: ${newStreak}</i></h2>`;
        if (newStreak == 0) {
            if (streak >= 2) {
                document.getElementById("country-streak2").innerHTML = `<h2><i>Country Streak: 0</i></h2>
                    Your streak ended after correctly guessing ${geoguessrStyle(streak)} countries in a row.`;
            } else if (streak == 1) {
                document.getElementById("country-streak2").innerHTML = `<h2><i>Country Streak: 0</i></h2>
                    Your streak ended after correctly guessing ${geoguessrStyle(1)} country.`;
            };
        };
    };
    streak = newStreak;
};

async function getCountryCode(coords) {
    if (coords[0] <= -85.05) return 'AQ';
    const api = "https://api.bigdatacloud.net/data/reverse-geocode?latitude="+coords.lat+"&longitude="+coords.lng+"&localityLanguage=en&key="+API_Key
    return await fetch(api)
        .then(res => (res.status !== 200) ? ERROR_RESP : res.json())
        .then(out => (out === ERROR_RESP) ? ERROR_RESP : CountryDict[out.countryCode]);
};

let lastGuess = { lat: 91, lng: 0 };
function check() {
    const gameTag = location.href.substring(location.href.lastIndexOf('/') + 1)
    let apiUrl = "https://www.geoguessr.com/api/v3/games/"+gameTag;
    if (location.pathname.startsWith("/challenge/")) {
        apiUrl = "https://www.geoguessr.com/api/v3/challenges/"+gameTag+"/game";
    };
    fetch(apiUrl)
    .then(res => res.json())
    .then((out) => {
        const guessCounter = out.player.guesses.length;
        const round = out.rounds[guessCounter-1];
        const guess = out.player.guesses[guessCounter-1];
        if (guess.lat == lastGuess.lat && guess.lng == lastGuess.lng) return;
        lastGuess = guess;
        Promise.all([getCountryCode(guess), getCountryCode(round)]).then(codes => {
            if (codes[0] == ERROR_RESP || codes[1] == ERROR_RESP) {
                updateStreak(ERROR_RESP);
            } else if (codes[0] == codes[1]) {
                updateStreak(streak + 1);
            } else {
                updateStreak(0);
            };
        });
    }).catch(err => { throw err });
};

function doCheck() {
    if (!document.querySelector('div[class*="result-layout_root__"]')) {
        sessionStorage.setItem("Checked", 0);
    } else if ((sessionStorage.getItem("Checked") || 0) == 0) {
        check();
        sessionStorage.setItem("Checked", 1);
    }
};

let lastDoCheckCall = 0;
new MutationObserver(async (mutations) => {
    if (!checkGameMode() || lastDoCheckCall >= (Date.now() - 50)) return;
    lastDoCheckCall = Date.now();
    await scanStyles()
    if (_AUTOMATIC) doCheck();
    addStreakStatusBar();
    addStreakRoundResult();
    addStreakGameSummary();
}).observe(document.body, { subtree: true, childList: true });

document.addEventListener('keypress', (e) => {
    if (e.key == '1') {
        updateStreak(streak + 1);
    } else if (e.key == '2') {
        updateStreak(streak - 1);
    } else if (e.key == '8') {
        const streakBackup = parseInt(sessionStorage.getItem("StreakBackup") || 0, 10);
        updateStreak(streakBackup + 1);
    } else if (e.key == '0') {
        updateStreak(0);
        sessionStorage.setItem("StreakBackup", 0);
    };
});