console.log('抖音扩展背景脚本已加载');

chrome.runtime.onInstalled.addListener(() => {
  console.log("抖音扩展已安装");
});

// 添加代理可用性检测函数
async function checkProxyAvailability(proxyConfig) {
  return new Promise((resolve) => {
    const timeoutDuration = 10000; // 增加超时时间到10秒
    
    console.log(`正在测试代理 ${proxyConfig.host}:${proxyConfig.port} 的可用性...`);

    // 使用 XMLHttpRequest 来测试代理
    const xhr = new XMLHttpRequest();
    xhr.timeout = timeoutDuration;
    
    // 设置超时处理
    const timeoutHandler = setTimeout(() => {
      xhr.abort();
      console.log(`代理 ${proxyConfig.host}:${proxyConfig.port} 测试超时`);
      resolve(false);
    }, timeoutDuration);

    xhr.onreadystatechange = function() {
      if (xhr.readyState === 4) {
        clearTimeout(timeoutHandler);
        if (xhr.status === 200) {
          console.log(`代理 ${proxyConfig.host}:${proxyConfig.port} 测试成功`);
          resolve(true);
        } else {
          console.log(`代理 ${proxyConfig.host}:${proxyConfig.port} 测试失败，状态码: ${xhr.status}`);
          resolve(false);
        }
      }
    };

    xhr.onerror = function() {
      clearTimeout(timeoutHandler);
      console.log(`代理 ${proxyConfig.host}:${proxyConfig.port} 连接错误`);
      resolve(false);
    };

    try {
      // 使用 HTTPS 测试
      xhr.open('GET', 'https://www.douyin.com/favicon.ico', true);
      xhr.send();
    } catch (error) {
      clearTimeout(timeoutHandler);
      console.error(`代理测试出错:`, error);
      resolve(false);
    }
  });
}

// 添加一个全局变量来存储每个窗口的代理设置
const windowProxyMap = new Map();

// 修改代理设置函数
function setProxyForWindow(proxyConfig, windowId, callback) {
  const maxRetries = 3;
  let retryCount = 0;

  function trySetProxy() {
    console.log(`窗口 ${windowId} 设置代理尝试 ${retryCount + 1}/${maxRetries}:`, proxyConfig);

    // 存储当前窗口的代理设置
    windowProxyMap.set(windowId, proxyConfig);

    // 设置新的代理
    const config = {
      value: {
        mode: "fixed_servers",
        rules: {
          singleProxy: {
            scheme: "http",
            host: proxyConfig.host,
            port: parseInt(proxyConfig.port)
          },
          bypassList: [
            "localhost",
            "127.0.0.1",
            "<local>"
          ]
        }
      },
      scope: "regular"
    };

    chrome.proxy.settings.set(
      config,
      function() {
        if (chrome.runtime.lastError) {
          console.error('设置代理失败:', chrome.runtime.lastError);
          handleError(chrome.runtime.lastError);
          return;
        }

        // 验证代理设置
        chrome.proxy.settings.get(
          { incognito: false },
          function(config) {
            console.log(`窗口 ${windowId} 当前代理配置:`, config);
            if (config.value.mode === "fixed_servers") {
              // 只刷新当前窗口的标签页
              chrome.tabs.query({ windowId: windowId }, function(tabs) {
                let refreshedCount = 0;
                if (tabs.length === 0) {
                  callback(null, true);
                  return;
                }

                tabs.forEach(function(tab) {
                  chrome.tabs.reload(tab.id, { bypassCache: true }, function() {
                    refreshedCount++;
                    if (refreshedCount === tabs.length) {
                      callback(null, true);
                    }
                  });
                });
              });
            } else {
              handleError(new Error('代理设置验证失败'));
            }
          }
        );
      }
    );
  }

  function handleError(error) {
    if (retryCount < maxRetries - 1) {
      retryCount++;
      setTimeout(trySetProxy, 2000);
    } else {
      callback(error);
    }
  }

  trySetProxy();
}

// 消息监听器
chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
  if (request.action === 'checkIncognitoWindows') {
    chrome.windows.getAll({ populate: true }, (windows) => {
      console.log('获取到所有窗口数量:', windows.length);
      
      const incognitoWindows = windows.filter(w => w.incognito);
      console.log('找到无痕窗口数量:', incognitoWindows.length);
      
      const windowDetails = incognitoWindows.map(w => ({
        id: w.id,
        type: w.type,
        state: w.state,
        tabCount: w.tabs ? w.tabs.length : 0,
        firstTabUrl: w.tabs && w.tabs[0] ? w.tabs[0].url : 'no tabs'
      }));
      
      console.log('无痕窗口详情:', windowDetails);
      
      sendResponse({
        count: incognitoWindows.length,
        windows: windowDetails,
        allWindowsCount: windows.length,
        timestamp: new Date().toISOString()
      });
    });
    return true;
  }

  if (request.action === 'openIncognitoDouyin') {
    chrome.windows.create({
      incognito: true,
      url: "https://www.douyin.com"
    }, function(window) {
      console.log('抖音无痕窗口已打开');
    });
  } else if (request.action === 'openLiveIncognito') {
    chrome.windows.create({
      incognito: true,
      url: request.url
    }, function(window) {
      console.log('直播无痕窗口已打开');
    });
  }

  if (request.action === 'login') {
    console.log('收到登录请求');
    const loginData = {
      uname: request.username,
      upass: request.password
    };
    fetch('https://douyin.xingtongworld.com/api/passport/login?t=crx', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json'
      },
      body: JSON.stringify(loginData)
    })
    .then(response => response.json())
    .then(data => {
      console.log('登录结果：', data);
      if (data.status === 200) {
        sendResponse({ status: 'success' });
        chrome.storage.local.set({ loginStatus: true });
        chrome.storage.local.set({ loginInfo: loginData });
        chrome.storage.local.set({ loginTime: new Date().toLocaleString() });
        chrome.storage.local.set({ loginToken: data.token });
        chrome.cookies.set({
          url: 'https://douyin.xingtongworld.com',
          name: 'sessionid',
          value: data.token,
          domain: 'douyin.xingtongworld.com'
        });
      } else {
        sendResponse({ status: 'error', message: '登录失败：' + (data.message || '未知错误') });
      }
    })
    .catch(error => {
      console.error('登录请求出错：', error);
      sendResponse({ status: 'error', message: '登录请求出错，请检查网络连接或稍后重试。' });
    });
  }

  if (request.action === 'checkStatus') {
    let status = '正常';
    sendResponse({status: status});
  }

  if (request.action === 'openLiveWithProxy') {
    chrome.windows.create({
      url: request.url,
      incognito: true,
      type: 'normal'
    }, (window) => {
      if (window) {
        // 等待窗口创建完成后再设置代理
        setTimeout(() => {
          setProxyForWindow(
            request.proxy,
            window.id,
            (error, success) => {
              if (error) {
                console.error('设置代理失败:', error);
                sendResponse({ success: false, error: error.message });
              } else {
                console.log('代理已设置到新创建的无痕窗口');
                sendResponse({ success: true });
              }
            }
          );
        }, 1000);
      } else {
        console.error('创建窗口失败');
        sendResponse({ success: false, error: '创建窗口失败' });
      }
    });
    return true;
  }

  if (request.action === 'setWindowProxy') {
    chrome.windows.getAll({ populate: true }, (windows) => {
      const incognitoWindows = windows.filter(w => w.incognito);
      if (incognitoWindows.length > 0) {
        const proxyList = request.proxyList;
        console.log('可用代理列表:', proxyList);

        if (proxyList.length < incognitoWindows.length) {
          sendResponse({ 
            success: false, 
            error: `代理数量不足，需要 ${incognitoWindows.length} 个代理，但只有 ${proxyList.length} 个`
          });
          return;
        }

        let completedCount = 0;
        let errors = [];

        // 为每个窗口单独设置代理
        incognitoWindows.forEach((window, index) => {
          const proxy = proxyList[index];
          const [host, port] = proxy.split(':');

          if (!host || !port) {
            errors.push(`代理格式错误: ${proxy}`);
            completedCount++;
            checkComplete();
            return;
          }

          // 为每个窗口设置代理时先激活该窗口
          chrome.windows.update(window.id, { focused: true }, () => {
            setTimeout(() => {
              setProxyForWindow(
                { host, port: parseInt(port) },
                window.id,
                (error, success) => {
                  if (error) {
                    errors.push(`窗口 ${window.id} 设置代理失败: ${error.message}`);
                  }
                  completedCount++;
                  checkComplete();
                }
              );
            }, index * 3000); // 每个窗口间隔3秒
          });
        });

        function checkComplete() {
          if (completedCount === incognitoWindows.length) {
            if (errors.length > 0) {
              sendResponse({ 
                success: false, 
                error: errors.join('\n') 
              });
            } else {
              sendResponse({ 
                success: true,
                message: `已为 ${incognitoWindows.length} 个无痕窗口设置独立代理`
              });
            }
          }
        }
      } else {
        sendResponse({ success: false, error: '未找到无痕窗��' });
      }
    });
    return true;
  }

  if (request.action === 'clearProxy') {
    chrome.proxy.settings.clear(
      {
        scope: "regular"
      },
      () => {
        if (chrome.runtime.lastError) {
          console.error('清除代理失败:', chrome.runtime.lastError);
          sendResponse({ success: false, error: chrome.runtime.lastError.message });
        } else {
          console.log('代理设置已完全清除');
          sendResponse({ success: true });
        }
      }
    );
    return true;
  }

  chrome.webRequest.onCompleted.addListener(
    function(details) {
      console.log("请求完成:", details);
    },
    {urls: ["<all_urls>"]}
  );
});

chrome.windows.onCreated.addListener((window) => {
  console.log('新窗口创建:', {
    id: window.id,
    incognito: window.incognito,
    type: window.type,
    state: window.state,
    alwaysOnTop: window.alwaysOnTop,
    focused: window.focused,
    timestamp: new Date().toISOString()
  });
});

chrome.tabs.onCreated.addListener((tab) => {
  console.log('新标签创建:', {
    id: tab.id,
    windowId: tab.windowId,
    url: tab.url
  });
});

// 修改错误监听器，添加更多需要忽略的错误类型
chrome.webRequest.onErrorOccurred.addListener(
  function(details) {
    // 扩展需要忽略的错误类型列表
    const ignoredErrors = [
      'net::ERR_ABORTED',           // 请求中断
      'net::ERR_NETWORK_CHANGED',   // 网络变化
      'net::ERR_CONNECTION_CLOSED', // 连接关闭
      'net::ERR_CACHE_MISS',        // 缓存未命中
      'net::ERR_EMPTY_RESPONSE',    // 空响应
      'net::ERR_FAILED',            // 一般性失败
      'net::ERR_TIMED_OUT'          // 超时
    ];

    // 忽略的资源类型
    const ignoredResourceTypes = [
      'font',          // 字体文件
      'image',         // 图片
      'media',         // 媒体文件
      'stylesheet',    // CSS文件
      'other'          // 其他资源
    ];

    if (details.error && 
        !ignoredErrors.includes(details.error) && 
        !ignoredResourceTypes.includes(details.type)) {
      
      // 只记录重要的错误
      const errorInfo = {
        错误类型: details.error,
        URL: details.url,
        时间: new Date(details.timeStamp).toLocaleString(),
        标签页ID: details.tabId,
        请求类型: details.type
      };

      // 如果是代理相关错误，添加更多信息
      if (details.error.toLowerCase().includes('proxy') || 
          details.error.toLowerCase().includes('connection_refused')) {
        errorInfo.代理错误 = true;
        errorInfo.IP地址 = details.ip || '未知';
        
        console.error('代理相关错误:\n' + 
          Object.entries(errorInfo)
            .map(([key, value]) => `${key}: ${value}`)
            .join('\n')
        );
      } else if (details.error.toLowerCase().includes('cert')) {
        // 证书相关错误
        console.warn('证书相关错误:\n' + 
          Object.entries(errorInfo)
            .map(([key, value]) => `${key}: ${value}`)
            .join('\n')
        );
      } else {
        // 其他重要错误
        console.error('重要网络错误:\n' + 
          Object.entries(errorInfo)
            .map(([key, value]) => `${key}: ${value}`)
            .join('\n')
        );
      }
    }
  },
  {urls: ["<all_urls>"]}
);

chrome.windows.onRemoved.addListener((windowId) => {
  console.log('窗口被关闭:', {
    id: windowId,
    timestamp: new Date().toISOString()
  });
});

chrome.windows.onFocusChanged.addListener((windowId) => {
  if (windowId !== chrome.windows.WINDOW_ID_NONE) {
    console.log('窗口点改变:', windowId);
  }
});

// 添加窗口焦点变化监听器
chrome.windows.onFocusChanged.addListener((windowId) => {
  if (windowId !== chrome.windows.WINDOW_ID_NONE) {
    const proxyConfig = windowProxyMap.get(windowId);
    if (proxyConfig) {
      console.log(`窗口 ${windowId} 获得焦点，恢复其代理设置:`, proxyConfig);
      chrome.proxy.settings.set({
        value: {
          mode: "fixed_servers",
          rules: {
            singleProxy: {
              scheme: "http",
              host: proxyConfig.host,
              port: parseInt(proxyConfig.port)
            },
            bypassList: ["localhost", "127.0.0.1", "<local>"]
          }
        },
        scope: "regular"
      });
    }
  }
});

// 添加窗口关闭监听器
chrome.windows.onRemoved.addListener((windowId) => {
  console.log(`窗口 ${windowId} 被关闭，移除其代理设置`);
  windowProxyMap.delete(windowId);
});