// ==UserScript==
// @name         Grepolis Remote Loader
// @namespace    http://tampermonkey.net/
// @version      4.0.1
// @description  Dynamically loads the Grepolis Remote Control bot from the server
// @author       Dimitrios
// @match        https://*.grepolis.com/game/*
// @grant        unsafeWindow
// @grant        GM_xmlhttpRequest
// @connect      grepo.haunter-pets.top
// @updateURL    https://git.haunter-pets.top/haunter/grepo-remote/raw/branch/main/GrepoRemoteLoader.user.js
// @downloadURL  https://git.haunter-pets.top/haunter/grepo-remote/raw/branch/main/GrepoRemoteLoader.user.js
// ==/UserScript==

(function() {
    'use strict';

    const BASE_URL   = 'https://grepo.haunter-pets.top';
    const MAX_TRIES  = 3;
    const RETRY_BASE = 3000; // 3 s, then 6 s

    function loadBot(attempt) {
        attempt = attempt || 1;
        console.log(`[Loader] Fetching bot code (attempt ${attempt}/${MAX_TRIES})...`);

        GM_xmlhttpRequest({
            method: 'GET',
            url: `${BASE_URL}/api/bot?t=${Date.now()}`,
            onload: function(response) {
                if (response.status === 200) {
                    console.log('[Loader] Bot code downloaded. Executing...');
                    try {
                        eval(response.responseText);
                    } catch (e) {
                        console.error('[Loader] Execution error:', e);
                    }
                } else if (attempt < MAX_TRIES) {
                    const delay = RETRY_BASE * attempt;
                    console.warn(`[Loader] Server returned ${response.status}. Retrying in ${delay / 1000}s...`);
                    setTimeout(() => loadBot(attempt + 1), delay);
                } else {
                    console.error(`[Loader] Failed after ${MAX_TRIES} attempts (status ${response.status}). Give up.`);
                }
            },
            onerror: function() {
                if (attempt < MAX_TRIES) {
                    const delay = RETRY_BASE * attempt;
                    console.warn(`[Loader] Connection error. Retrying in ${delay / 1000}s...`);
                    setTimeout(() => loadBot(attempt + 1), delay);
                } else {
                    console.error(`[Loader] Failed after ${MAX_TRIES} attempts. Check your server.`);
                }
            }
        });
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', () => loadBot(1));
    } else {
        loadBot(1);
    }
})();