// ==UserScript==
// @name        Cookies Inspector
// @namespace   https://scriptcat.org/zh-CN/users/184036
// @version     1.0.0
// @description 查看、复制、删除当前网站 Cookies，Via 风格弹窗
// @author      DeepSeek
// @license     MIT
// @match       *://*/*
// @grant       GM_registerMenuCommand
// @grant       GM_setClipboard
// @run-at      document-idle
// ==/UserScript==

(function () {
  'use strict';

  /* ---------- 工具函数 ---------- */
  const clearAllCookies = () => {
    const parts = location.hostname.split('.');
    const domains = [location.hostname];
    if (parts.length > 1) domains.push('.' + parts.slice(-2).join('.'));

    document.cookie.split(';').forEach(c => {
      const k = c.split('=')[0].trim();
      domains.forEach(d => {
        document.cookie = `${k}=;expires=Thu,01 Jan 1970 00:00:00 UTC;path=/;domain=${d};`;
      });
      document.cookie = `${k}=;expires=Thu,01 Jan 1970 00:00:00 UTC;path=/;`;
    });
  };

  const getCookiesArray = () => {
    return document.cookie.split(';').map(c => c.trim()).filter(Boolean);
  };

  /* ---------- Shadow DOM Toast 通知 ---------- */
  const TOAST_HOST_ID = 'cookies-inspector-toast-host';
  const showToast = (msg, duration = 2000) => {
    let host = document.getElementById(TOAST_HOST_ID);
    if (!host) {
      host = document.createElement('div');
      host.id = TOAST_HOST_ID;
      const shadow = host.attachShadow({ mode: 'open' });

      const style = document.createElement('style');
      style.textContent = `
        .toast-container { position:fixed; left:0; right:0; bottom:75px; display:flex; flex-direction:column; align-items:center; gap:8px; pointer-events:none; z-index:2147483647; }
        .toast-item { background:rgba(28,28,30,0.85); color:#fff; padding:14px 24px; border-radius:999px; font-size:14px; font-weight:500; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; box-shadow:0 8px 24px rgba(0,0,0,0.2); animation:toastIn 0.3s cubic-bezier(0.22,1,0.36,1); opacity:0; transform:translateY(20px); animation-fill-mode:forwards; max-width:80%; text-align:center; word-break:break-word; }
        .toast-item.out { animation:toastOut 0.3s cubic-bezier(0.22,1,0.36,1) forwards; }
        @keyframes toastIn { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
        @keyframes toastOut { from { opacity:1; transform:translateY(0); } to { opacity:0; transform:translateY(20px); } }
      `;
      shadow.appendChild(style);

      const container = document.createElement('div');
      container.className = 'toast-container';
      shadow.appendChild(container);

      document.body.appendChild(host);
    }

    const container = host.shadowRoot.querySelector('.toast-container');
    const toast = document.createElement('div');
    toast.className = 'toast-item';
    toast.textContent = msg;
    container.appendChild(toast);

    setTimeout(() => {
      toast.classList.add('out');
      setTimeout(() => toast.remove(), 300);
    }, duration);
  };

  // 涟漪效果：按下时铺开并保持，松手时才淡出
  const createRipple = function (event) {
    const button = event.currentTarget;

    // ---- 1. 按钮按压回弹 ----
    button.style.transition = 'transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1)';
    button.style.transform = 'scale(0.95)';

    // ---- 2. 清掉该按钮上可能残留的旧涟漪 ----
    button.querySelectorAll('.ripple').forEach(r => r.remove());

    // ---- 3. 计算涟漪几何尺寸 ----
    const rect = button.getBoundingClientRect();
    let clientX, clientY;
    if (event.touches) {
      clientX = event.touches[0].clientX;
      clientY = event.touches[0].clientY;
    } else {
      clientX = event.clientX;
      clientY = event.clientY;
    }

    const dx = Math.max(clientX - rect.left, rect.right - clientX);
    const dy = Math.max(clientY - rect.top, rect.bottom - clientY);
    const diameter = Math.sqrt(dx * dx + dy * dy) * 2;
    const radius = diameter / 2;

    // ---- 4. 创建涟漪元素（初始 scale(0)，不可见）----
    const circle = document.createElement('span');
    circle.classList.add('ripple');
    circle.style.width = circle.style.height = diameter + 'px';
    circle.style.left = (clientX - rect.left - radius) + 'px';
    circle.style.top = (clientY - rect.top - radius) + 'px';
    circle.style.background = 'var(--ripple-color)';   /* 跟随主题自动切换 */
    circle.style.borderRadius = '50%';
    circle.style.position = 'absolute';
    circle.style.pointerEvents = 'none';
    circle.style.transform = 'scale(0)';
    circle.style.transformOrigin = 'center center';
    circle.style.opacity = '1';
    circle.style.transition = 'transform 0.3s cubic-bezier(0.4, 0, 0.2, 1)';

    button.appendChild(circle);

    // ---- 5. 下一帧开始扩散，铺开后原地停住（不淡出）----
    requestAnimationFrame(() => {
      circle.style.transform = 'scale(1)';
    });

    // ---- 6. 松手 / 离开时才淡出并清理 ----
    const release = () => {
      button.style.transform = 'scale(1)';

      circle.style.transition = 'opacity 0.25s ease-out';
      circle.style.opacity = '0';

      setTimeout(() => {
        if (circle.parentElement === button) circle.remove();
      }, 300);

      button.removeEventListener('pointerup', release);
      button.removeEventListener('pointerleave', release);
    };

    button.addEventListener('pointerup', release);
    button.addEventListener('pointerleave', release);
  };

  /* ---------- 自定义 Cookies 对话框 ---------- */
  const showCookiesDialog = () => {
    // 防止重复打开
    if (document.getElementById('cookies-inspector-dialog')) {
      return;
    }

    const cookies = getCookiesArray();
    if (cookies.length === 0) {
      alert('无 Cookies。');
      return;
    }

    const host = document.createElement('div');
    host.id = 'cookies-inspector-dialog';

    const shadowRoot = host.attachShadow({ mode: 'open' });
    document.body.appendChild(host);

    // ---- 锁死背景页面滚动 ----
    const prevBodyOverflow = document.body.style.overflow;
    document.body.style.overflow = 'hidden';

    const style = document.createElement('style');
    style.textContent = `
      /* ---------- 主题变量（浅色为默认） ---------- */
      :host {
        --dialog-bg: #ffffff;
        --dialog-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
        --title-color: #000000;
        --content-color: #000000;
        --fade-color: #ffffff;
        --scrollbar-thumb: #d1d1d1;
        --btn-color: #4A6FD4;
        --ripple-color: rgba(0, 0, 0, 0.15);
      }

      /* ---------- 夜间模式（跟随浏览器/系统） ---------- */
      @media (prefers-color-scheme: dark) {
        :host {
          --dialog-bg: #1c1c1e;
          --dialog-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
          --title-color: #ffffff;
          --content-color: #e5e5e7;
          --fade-color: #1c1c1e;
          --scrollbar-thumb: #4a4a4d;
          --btn-color: #6F8DE1;
          --ripple-color: rgba(255, 255, 255, 0.18);
        }
      }

      .overlay {
        position: fixed; top: 0; left: 0;
        width: 100vw; height: 100vh;
        background: rgba(0, 0, 0, 0.35);
        z-index: 2147483646;
        display: flex;
        justify-content: center;
        align-items: center;

        overscroll-behavior: contain;
        touch-action: none;
      }
      .cookies-dialog {
        background: var(--dialog-bg);
        border-radius: 20px;
        box-shadow: var(--dialog-shadow);
        z-index: 2147483647;
        font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        padding: 24px 24px 16px 24px;
        width: 80%;
        max-width: 300px;
        color: var(--content-color);
        position: relative;
        box-sizing: border-box;

        touch-action: auto;

        /* 主题切换时平滑过渡 */
        transition: background 0.2s ease, box-shadow 0.2s ease;
      }
      .cookies-title {
        font-size: 19px;
        font-weight: 500;
        margin-bottom: 24px;
        line-height: 1.4;
        color: var(--title-color);
        word-break: break-all;
        transition: color 0.2s ease;
      }

      /* 内容包裹层：撑到面板右边缘，容纳自定义滚动条和渐隐层 */
      .cookies-content-wrap {
        position: relative;
        margin-bottom: 28px;
        margin-right: -24px;    /* 抵消 dialog 的右 padding */
      }
      .cookies-content {
        max-height: 410px;
        overflow-y: auto;
        line-height: 1.6;
        word-break: break-all;
        white-space: pre-wrap;
        font-family: "SF Mono", "Menlo", "Monaco", monospace;
        font-size: 15px;
        padding: 0 4px 0 0;
        background: transparent;
        border: none;

        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;

        scrollbar-width: none;
      }
      .cookies-content::-webkit-scrollbar {
        display: none;
      }

      /* 顶部 / 底部渐隐层：主题色到透明，让内容"溶"进面板边缘 */
      .cookies-fade {
        position: absolute;
        left: 0;
        right: 0;
        height: 24px;
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.2s ease;
      }
      .cookies-fade.visible {
        opacity: 1;
      }
      .cookies-fade-top {
        top: 0;
        background: linear-gradient(
          to bottom,
          var(--fade-color) 0%,
          transparent 100%
        );
      }
      .cookies-fade-bottom {
        bottom: 0;
        background: linear-gradient(
          to top,
          var(--fade-color) 0%,
          transparent 100%
        );
      }

      /* 自定义滚动条：默认隐藏，滚动 / 初次打开时显示 */
      .cookies-scrollbar {
        position: absolute;
        top: 0;
        bottom: 0;
        right: 0;
        width: 4px;
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: 1;
      }
      .cookies-scrollbar.visible {
        opacity: 1;
      }
      .cookies-scrollbar-thumb {
        position: absolute;
        left: 0;
        right: 0;
        background: var(--scrollbar-thumb);
        border-radius: 4px;
        transition: background 0.2s ease;
      }

      .cookies-buttons {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
      }
      .left-buttons {
        display: flex;
        margin-left: -24px;
      }
      .right-buttons {
        display: flex;
        gap: 6px;
        margin-right: -24px;
      }
      .cookies-btn {
        padding: 8px 10px;
        border: none;
        border-radius: 10px;
        background: transparent;
        cursor: pointer;
        font-size: 16px;
        font-weight: 500;
        transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
                    color 0.2s ease;
        color: var(--btn-color);
        position: relative;
        overflow: hidden;
        -webkit-tap-highlight-color: transparent;
        outline: none;
        will-change: transform;
      }
    `;
    shadowRoot.appendChild(style);

    const overlay = document.createElement('div');
    overlay.className = 'overlay';

    const closeDialog = () => {
      document.body.style.overflow = prevBodyOverflow;
      host.remove();
    };

    overlay.onclick = (e) => {
      if (e.target === overlay) {
        closeDialog();
      }
    };

    const dialog = document.createElement('div');
    dialog.className = 'cookies-dialog';

    const title = document.createElement('div');
    title.className = 'cookies-title';
    title.textContent = `${location.hostname} 的 Cookies`;

    // ---- 内容区 + 渐隐层 + 自定义滚动条 ----
    const contentWrap = document.createElement('div');
    contentWrap.className = 'cookies-content-wrap';

    const content = document.createElement('div');
    content.className = 'cookies-content';
    content.textContent = cookies.join(';\n');

    const fadeTop = document.createElement('div');
    fadeTop.className = 'cookies-fade cookies-fade-top';

    const fadeBottom = document.createElement('div');
    fadeBottom.className = 'cookies-fade cookies-fade-bottom';

    const scrollbar = document.createElement('div');
    scrollbar.className = 'cookies-scrollbar';

    const scrollbarThumb = document.createElement('div');
    scrollbarThumb.className = 'cookies-scrollbar-thumb';

    scrollbar.appendChild(scrollbarThumb);

    contentWrap.appendChild(content);
    contentWrap.appendChild(fadeTop);
    contentWrap.appendChild(fadeBottom);
    contentWrap.appendChild(scrollbar);

    // ---- 滚动条同步逻辑 ----
    const updateScrollbar = () => {
      const visibleH = content.clientHeight;
      const totalH = content.scrollHeight;

      if (totalH <= visibleH + 1) {
        scrollbar.style.display = 'none';
        return;
      }
      scrollbar.style.display = 'block';

      const thumbH = Math.max((visibleH / totalH) * visibleH, 20);
      const maxThumbTop = visibleH - thumbH;
      const maxScrollTop = totalH - visibleH;
      const thumbTop = maxScrollTop > 0
        ? (content.scrollTop / maxScrollTop) * maxThumbTop
        : 0;

      scrollbarThumb.style.height = thumbH + 'px';
      scrollbarThumb.style.top = thumbTop + 'px';
    };

    // ---- 渐隐层显隐逻辑 ----
    const updateFades = () => {
      const visibleH = content.clientHeight;
      const totalH = content.scrollHeight;
      const scrollTop = content.scrollTop;

      if (totalH <= visibleH + 1) {
        fadeTop.classList.remove('visible');
        fadeBottom.classList.remove('visible');
        return;
      }

      const atTop = scrollTop <= 1;
      const atBottom = scrollTop + visibleH >= totalH - 1;

      fadeTop.classList.toggle('visible', !atTop);
      fadeBottom.classList.toggle('visible', !atBottom);
    };

    let hideTimer = null;
    const showScrollbar = (duration = 800) => {
      scrollbar.classList.add('visible');
      clearTimeout(hideTimer);
      hideTimer = setTimeout(() => {
        scrollbar.classList.remove('visible');
      }, duration);
    };

    content.addEventListener('scroll', () => {
      updateScrollbar();
      updateFades();
      showScrollbar(800);
    });

    requestAnimationFrame(() => {
      updateScrollbar();
      updateFades();
      if (scrollbar.style.display !== 'none') {
        showScrollbar(1200);
      }
    });

    const buttonsDiv = document.createElement('div');
    buttonsDiv.className = 'cookies-buttons';

    const leftButtons = document.createElement('div');
    leftButtons.className = 'left-buttons';

    const rightButtons = document.createElement('div');
    rightButtons.className = 'right-buttons';

    const deleteBtn = document.createElement('button');
    deleteBtn.className = 'cookies-btn delete';
    deleteBtn.textContent = '删除';
    deleteBtn.onclick = () => {
      if (confirm('确定要删除全部 Cookies 吗？')) {
        clearAllCookies();
        showToast('Cookies 已删除');
        closeDialog();
      }
    };
    deleteBtn.addEventListener('pointerdown', createRipple);

    const copyBtn = document.createElement('button');
    copyBtn.className = 'cookies-btn';
    copyBtn.textContent = '复制';
    copyBtn.onclick = () => {
      GM_setClipboard(getCookiesArray().join('; '));
      showToast('已复制文本');
      closeDialog();
    };
    copyBtn.addEventListener('pointerdown', createRipple);

    const cancelBtn = document.createElement('button');
    cancelBtn.className = 'cookies-btn';
    cancelBtn.textContent = '取消';
    cancelBtn.onclick = () => closeDialog();
    cancelBtn.addEventListener('pointerdown', createRipple);

    leftButtons.appendChild(deleteBtn);
    rightButtons.appendChild(cancelBtn);
    rightButtons.appendChild(copyBtn);
    buttonsDiv.appendChild(leftButtons);
    buttonsDiv.appendChild(rightButtons);

    dialog.append(title, contentWrap, buttonsDiv);

    overlay.appendChild(dialog);
    shadowRoot.appendChild(overlay);

    const intervalId = setInterval(() => {
      const currentCookies = getCookiesArray().join(';\n');
      if (content.textContent !== currentCookies) {
        content.textContent = currentCookies;
        updateScrollbar();
        updateFades();
        if (getCookiesArray().length === 0) {
          clearInterval(intervalId);
          closeDialog();
          showToast('Cookies 已清空');
        }
      }
    }, 1000);

    const observer = new MutationObserver(() => {
      if (!document.contains(host)) {
        clearInterval(intervalId);
        observer.disconnect();
        clearTimeout(hideTimer);
        document.body.style.overflow = prevBodyOverflow;
      }
    });
    observer.observe(document.body, { childList: true });
  };

  /* ---------- 主逻辑 ---------- */
  GM_registerMenuCommand('查看 Cookies', () => {
    const cookies = getCookiesArray();
    if (cookies.length === 0) {
      alert('无 Cookies。');
    } else {
      showCookiesDialog();
    }
  });
})();