// ==UserScript==
// @name         通用时间加速器（诊断修复版）
// @namespace    http://tampermonkey.net/
// @version      1.4
// @description  修复未开启就暂停的致命Bug
// @author       ZMM
// @match        *://*/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function () {
  'use strict';

  /* ========== 配置 ========== */
  const CFG_KEY = '__time_cheat_cfg__';
  let cfg = { enabled: false, multiplier: 2 };
  try { cfg = Object.assign(cfg, JSON.parse(localStorage.getItem(CFG_KEY) || '{}')); } catch (e) {}

  /* ========== 核心：绝对不停滞的时间引擎 ========== */
  const OrigPerfNow = performance.now.bind(performance);
  let lastRealTime = OrigPerfNow();
  let fakeTime = lastRealTime;

  // 1. 劫持 performance.now
  performance.now = function() {
    const realNow = OrigPerfNow();
    const delta = realNow - lastRealTime;
    lastRealTime = realNow;

    // 防止切后台回来导致时间跳跃过大
    if (delta > 0 && delta < 1000) {
      // 关键：即使没开启(cfg.enabled=false)，也乘以1，保证时间正常流动！
      fakeTime += delta * (cfg.enabled ? (Number(cfg.multiplier) || 1) : 1);
    } else {
      fakeTime = realNow; // 发生异常跳跃，直接对齐真实时间
    }
    return fakeTime;
  };

  // 2. 劫持 Date.now (致命修复：必须跟着 performance.now 走，不能独立返回死变量)
  Date.now = function() {
    return Math.floor(performance.now());
  };

  /* ========== 注入 UI ========== */
  function injectUI() {
    const css = document.createElement('style');
    css.textContent = `
      #tc-btn{ position:fixed; z-index:2147483647; width:42px; height:42px; border-radius:50%; border:2px solid #4CAF50; background:linear-gradient(135deg,#2E7D32,#4CAF50); color:#fff; font:bold 18px/42px sans-serif; text-align:center; cursor:pointer; user-select:none; box-shadow:0 2px 12px rgba(0,0,0,.6); right:16px; top:16px; touch-action:none; }
      #tc-pnl{ position:fixed; z-index:2147483646; right:70px; top:16px; width:260px; background:rgba(30,30,30,.96); border:1.5px solid #4CAF50; border-radius:10px; box-shadow:0 4px 20px rgba(0,0,0,.7); font:13px/1.5 sans-serif; color:#e0e0e0; padding:14px; transition:opacity .2s,transform .2s; transform-origin:top right; }
      #tc-pnl.tc-h{ opacity:0; transform:scale(.9); pointer-events:none; }
      .tc-t{ display:flex; align-items:center; gap:8px; margin-bottom:12px; cursor:pointer; }
      .tc-t input{ display:none; }
      .tc-s{ position:relative; width:36px; height:20px; border-radius:10px; background:rgba(255,255,255,.15); transition:background .2s; flex-shrink:0; }
      .tc-s::after{ content:''; position:absolute; top:2px; left:2px; width:16px; height:16px; border-radius:50%; background:#888; transition:transform .2s; }
      .tc-t input:checked+.tc-s{ background:rgba(76,175,80,.4); }
      .tc-t input:checked+.tc-s::after{ transform:translateX(16px); background:#4CAF50; }
      .tc-r{ display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
      .tc-r label{ color:#bbb; font-size:12px; }
      .tc-r input[type=number]{ width:80px; padding:4px 6px; border:1px solid #4CAF50; border-radius:4px; background:rgba(0,0,0,.4); color:#fff; font:13px monospace; outline:none; text-align:right; }
      .tc-btn2{ display:block; width:100%; padding:8px; border:none; border-radius:6px; background:#4CAF50; color:#000; font:bold 13px sans-serif; cursor:pointer; margin-top:4px; }
      .tc-hint{ text-align:center; font-size:11px; color:#888; margin-top:8px; }
      .tc-close{ position:absolute; top:8px; right:10px; background:none; border:none; color:#4CAF50; font-size:18px; cursor:pointer; }
    `;
    document.head.appendChild(css);

    const btn = document.createElement('div');
    btn.id = 'tc-btn'; btn.textContent = '⏩';
    document.body.appendChild(btn);

    const pnl = document.createElement('div');
    pnl.id = 'tc-pnl'; pnl.classList.add('tc-h');
    pnl.innerHTML = `
      <button class="tc-close">&times;</button>
      <div style="color:#4CAF50; font-weight:bold; margin-bottom:10px;">时间加速器 v1.4</div>
      <label class="tc-t"><input type="checkbox" id="tc-en" ${cfg.enabled?'checked':''}><div class="tc-s"></div><span style="color:#bbb; font-size:12px;">启用加速</span></label>
      <div class="tc-r"><label>加速倍率</label><input type="number" id="tc-mul" value="${cfg.multiplier}" min="0.1" max="100" step="0.1"></div>
      <button class="tc-btn2" id="tc-apply">应用设置</button>
      <div class="tc-hint">测试：不勾选直接进游戏，看是否暂停</div>
    `;
    document.body.appendChild(pnl);

    btn.onclick = () => pnl.classList.toggle('tc-h');
    pnl.querySelector('.tc-close').onclick = () => pnl.classList.add('tc-h');

    // 拖动逻辑
    let drag = false, sx, sy, ox, oy;
    btn.addEventListener('mousedown', e => { drag=true; sx=e.clientX; sy=e.clientY; ox=btn.offsetLeft; oy=btn.offsetTop; btn.style.right='auto'; btn.style.left=ox+'px'; btn.style.top=oy+'px'; e.preventDefault(); });
    document.addEventListener('mousemove', e => { if(!drag) return; btn.style.left=(ox+e.clientX-sx)+'px'; btn.style.top=(oy+e.clientY-sy)+'px'; });
    document.addEventListener('mouseup', () => { drag=false; });

    document.getElementById('tc-apply').onclick = () => {
      cfg.enabled = document.getElementById('tc-en').checked;
      cfg.multiplier = document.getElementById('tc-mul').value;
      localStorage.setItem(CFG_KEY, JSON.stringify(cfg));
      pnl.querySelector('.tc-hint').innerText = cfg.enabled ? `已开启 ${cfg.multiplier}x 加速` : '已关闭，恢复正常时间';
      pnl.querySelector('.tc-hint').style.color = '#4CAF50';
    };
  }

  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', injectUI);
  else injectUI();
})();