// ==UserScript==
// @name         AGJ 资源面板 + 页面切换也拦死exit
// @namespace    http://tampermonkey.net/
// @version      9.0
// @description  拦截页面切换/关闭/刷新的exit请求，绝对发不出去
// @author       assistant
// @match        *://718zf.xyz/agj.php
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    // 资源图标
    const RES_MAP = {
        1: '🌲木材',
        2: '⚙️钢铁',
        3: '🌾粮食',
        4: '💎宝石'
    };

    // 全局
    let captured = false;
    let requestTemplate = null;
    let intervalTimer = null;
    let currentResources = {1:0,2:0,3:0,4:0};

    // ==============================================
    // 【终极拦截】exit 请求，页面切换/关闭/刷新都拦死
    // ==============================================
    function blockAllExit() {
        // 拦截 XHR
        const _open = XMLHttpRequest.prototype.open;
        XMLHttpRequest.prototype.open = function(m, url) {
            if (String(url).includes('agj_api.php?action=exit')) {
                console.log('🚫 拦截XHR exit');
                this.send = () => {};
                return;
            }
            return _open.apply(this, arguments);
        };

        // 拦截 Fetch
        if (window.fetch) {
            const _fetch = window.fetch;
            window.fetch = function(input, init) {
                const u = String(input || '');
                if (u.includes('agj_api.php?action=exit')) {
                    console.log('🚫 拦截Fetch exit');
                    return new Promise(()=>{});
                }
                return _fetch.call(this, input, init);
            };
        }

        // 拦截 页面卸载/切换 发送的请求（关键！）
        window.addEventListener('beforeunload', (e) => {
            e.stopImmediatePropagation();
            e.preventDefault();
        }, true);

        // 覆盖 sendBeacon（页面关闭专用发送接口）
        if (navigator.sendBeacon) {
            const _beacon = navigator.sendBeacon;
            navigator.sendBeacon = function(url) {
                if (url.includes('agj_api.php?action=exit')) {
                    console.log('🚫 拦截Beacon exit');
                    return false;
                }
                return _beacon.call(this, url);
            };
        }
    }

    // 启动拦截（页面一开始就启用）
    blockAllExit();

    // ==============================================
    // 面板 UI
    // ==============================================
    function createPanel() {
        const panel = document.createElement('div');
        panel.style.cssText = `
position:fixed; top:10px; right:10px; width:170px;
background:#fff; border-radius:6px; padding:6px;
box-shadow:0 0 5px rgba(0,0,0,0.15); z-index:999999;
font-size:12px; color:#222;
`;

        const title = document.createElement('div');
        title.textContent = 'AGJ 当前资源';
        title.style.cssText = 'font-weight:bold;text-align:center;margin-bottom:5px;';
        panel.appendChild(title);

        const line = document.createElement('div');
        line.style.cssText = 'display:flex;gap:4px;align-items:center;margin-bottom:6px;';
        line.innerHTML = '<span>每秒：</span>';

        const input = document.createElement('input');
        input.type = 'number';
        input.value = 2;
        input.style.cssText = 'width:40px;padding:2px;font-size:12px;';

        const btn = document.createElement('button');
        btn.textContent = '启动';
        btn.style.cssText = 'padding:2px 4px;font-size:12px;';
        line.append(input, btn);
        panel.appendChild(line);

        const show = document.createElement('div');
        show.style.lineHeight = '1.4';
        show.id = 'resDisplay';
        panel.appendChild(show);
        document.body.appendChild(panel);

        btn.onclick = () => {
            if (!requestTemplate) return alert('先触发一次游戏请求！');
            clearInterval(intervalTimer);
            const ps = parseFloat(input.value) || 1;
            intervalTimer = setInterval(doRequest, 1000/ps);
            btn.textContent = '运行中';
        };

        window.resDisplay = show;
    }

    // 渲染
    function render() {
        window.resDisplay.innerHTML = `
${RES_MAP[1]}：${currentResources[1]}<br>
${RES_MAP[2]}：${currentResources[2]}<br>
${RES_MAP[3]}：${currentResources[3]}<br>
${RES_MAP[4]}：${currentResources[4]}
`;
    }

    // 请求
    function doRequest() {
        const xhr = new XMLHttpRequest();
        xhr.open(requestTemplate.method, requestTemplate.url, true);
        Object.entries(requestTemplate.headers).forEach(([k,v])=>xhr.setRequestHeader(k,v));
        xhr.onload = () => {
            try {
                const res = JSON.parse(xhr.responseText);
                if (res.resources) currentResources = res.resources;
            } catch(e){}
            render();
        };
        xhr.send(requestTemplate.body);
    }

    // 捕获第一次请求
    (function(){
        const o = XMLHttpRequest.prototype.open;
        XMLHttpRequest.prototype.open = function(m,url){
            this._url = url;
            this._h = {};
            const s = this.setRequestHeader;
            this.setRequestHeader = (k,v)=>{this._h[k]=v;s.call(this,k,v);};
            o.apply(this,arguments);
        };

        const s = XMLHttpRequest.prototype.send;
        XMLHttpRequest.prototype.send = function(d){
            if(!captured && this._url.includes('agj_api.php?action=generate')){
                captured = true;
                requestTemplate = {method:'POST', url:this._url, headers:this._h, body:d};
            }
            s.call(this,d);
        };
    })();

    // 只在 agj.php 显示
    if (location.pathname === '/agj.php') {
        window.addEventListener('DOMContentLoaded', createPanel);
    }

})();