import fs from 'fs';// npm i fs-extra
import path from 'path';
import axios from 'axios';// 确保 axios 已安装
import FormData from 'form-data';// 确保 form-data 已安装
const { BrowserWindow, dialog } = require('electron');
const Store = require("electron-store");
const store = new Store();

const os = require('os');

function getIPAddress() {
  const networkInterfaces = os.networkInterfaces();
  for (const name of Object.keys(networkInterfaces)) {
    for (const net of networkInterfaces[name]) {
      // IPv4且未被内部使用
      if (net.family === 'IPv4' && !net.internal) {
        return net.address;
      }
    }
  }
  return null; // 如果没有找到合适的IP地址
}



const userDataPath = process.cwd();
const configPath = path.join(userDataPath, 'config.json');
let latestMTime = 0
let checkTimeout = null

function showMessage(message, title = '提示') {
  dialog.showMessageBox({
    type: 'info', // 可以是 'none', 'info', 'error', 'question' 或 'warning'
    title: title,
    message: message,
    buttons: [] // 自定义按钮文本
  }).then(result => {
    console.log(result.response); // '0' 表示第一个按钮，以此类推
  }).catch(err => {
    console.log(err);
  });
}
// 读取配置文件
function loadConfig() {
  try {
    const data = fs.readFileSync(configPath, 'utf8');
    return JSON.parse(data);
  } catch (error) {
    console.error('Error loading config:', error);
    return {}; // 或者返回一个默认配置对象
  }
}

// 日志文件路径  
const cwd = process.cwd();  //获取项目的根目录
const logFilePath = path.join(cwd, 'api.log');

// 函数：写入日志  
function logApiCall(data) {
  const logEntry = `[${new Date().toLocaleString()}] ${data}\n`;
  fs.appendFile(logFilePath, logEntry, (err) => {
    if (err) {
      console.error('写入日志时出错:', err);
    }
  });
}
export const uploadLatestFile = async (id) => {

  // const cwd = process.cwd();  //获取项目的根目录
  // 获取文件夹下所有文件
  let dataJson = loadConfig()

  let directoryPath = path.join(`${dataJson.device.filePathDisc}:`, dataJson.device.file_path);
  let fileExt = null
  let oldPath = null
  let newPath = null
  // const directoryPath = path.join(`C:`, '检测记录');

  const files = fs.readdirSync(directoryPath);
  // 3. 获取文件元数据并记录修改时间
  const filesWithStats = files
    .map(fileName => {
      const filePath = path.join(directoryPath, fileName);
      return {
        name: fileName,
        stats: fs.statSync(filePath)
      };
    })
    .filter(item => item.stats.isFile() || item.stats.isDirectory()); // 可选：过滤有效项

  if (filesWithStats.length === 0) {
    logApiCall("上传目录为空，无文件可上传");
    store.set('key', 'error');
    return;
  }

  const latestFile = filesWithStats.reduce((prev, current) => {
    // 使用 mtimeMs（毫秒时间戳）确保精度
    return current.stats.mtimeMs > prev.stats.mtimeMs ? current : prev;
  });

  // 获取最新文件
  // const latestFile = files.sort((a, b) => b.mtime - a.mtime)[0];

  const stats = fs.statSync(path.join(directoryPath, latestFile.name));

  if (stats.isFile()) {//文件处理
    fileExt = path.extname(latestFile.name); // 正确获取扩展名（包含点）
    oldPath = latestFile.name;
    // newPath = `${latestFile.name}`;//不修改文件名
    newPath = `${id}${fileExt}`;//修改文件名
  } else if (stats.isDirectory()) {//文件夹处理
    directoryPath = path.join(`${dataJson.device.filePathDisc}:`, `${dataJson.device.file_path}/${latestFile.name}`);
    const filess = fs.readdirSync(directoryPath);

    const filesWithStatss = filess.map(fileName => {
      const filePath = path.join(directoryPath, fileName);
      return {
        name: fileName,
        stats: fs.statSync(filePath) // 获取文件状态
      };
    });

    const latestFiles = filesWithStatss.reduce((prev, current) => {
      // 使用 mtimeMs（毫秒时间戳）确保精度
      return current.stats.mtimeMs > prev.stats.mtimeMs ? current : prev;
    });


    let fileExts = path.extname(latestFiles.name); // 正确获取扩展名（包含点）

    oldPath = latestFiles.name;
    // newPath = `${latestFiles.name}`;   不修改文件名

    newPath = `${id}${fileExts}`; //修改文件名

  }
  logApiCall(`重命名之前的文件: ${path.join(directoryPath, oldPath)},${path.join(directoryPath, newPath)}`);
  fs.renameSync(path.join(directoryPath, oldPath), path.join(directoryPath, newPath))
  // 
  logApiCall(`获取文件信息: ${JSON.stringify(fs.createReadStream(path.join(directoryPath, newPath)))}`);
  try {
    // // 采用form-data 的方式上传
    const formData = new FormData();

    formData.append(
      'file',
       fs.readFileSync(path.join(directoryPath, newPath)),
    );
    formData.append('deviceId', dataJson.device.code);
    formData.append('orderNumber', id);
    formData.append('deviceModel', dataJson.device.codeType);
    logApiCall(`上传路径: ${path.join(directoryPath, newPath)}`);
    logApiCall(`上传接口: ${dataJson.device.address}/upper/parsing`);
    logApiCall(`上传参数: ${JSON.stringify(formData)}`);
    // 上传文件

    const result = await axios.post(
      'http://49.232.74.228:80/blade-resource/oss/endpoint/put-file-attach',
      formData,
      {
        headers: {
          ...formData.getHeaders(),
        },
      },
    )
    logApiCall(`上传返回: ${JSON.stringify(result)}`);

    if (result.data.msg == '操作成功') {
      store.set('key', 'success');
      store.set('resultDate', JSON.stringify(result.data));
    } else {
       logApiCall(`上传失败1: ${JSON.stringify(result)}`);
      store.set('key', 'error');
    }
  } catch (error) {
    store.set('key', 'error');
    const errorMsg = error.response
      ? JSON.stringify(error.response.data)
      : error.message || 'Unknown error';
    logApiCall(`请求失败2: ${errorMsg}`);
  }

};


// 记录已上传的文件，避免重复上传（模块级变量，所有调用共享）
let uploadedFiles = new Set();
// 防止多次调用导致多个循环
let isWatching = false;

// 监控文件夹上传
export const watchUploadLatestFile = async (id) => {
  // 如果已经在监控，直接返回
  if (isWatching) {
    logApiCall("监控已在运行，跳过重复调用");
    return;
  }

  isWatching = true;

  store.set("key", "error");
  let dataJson = loadConfig();
  let directoryPath = path.join(
    `${dataJson.device.filePathDisc}:`,
    dataJson.device.file_path,
  );

  // 获取文件夹中最新文件的函数
  const getLatestFile = () => {
    try {
      const files = fs.readdirSync(directoryPath);
      if (files.length === 0) {
        return null; // 文件夹为空
      }

      // 获取所有文件的状态并找到最新的
      const filesWithStats = files
        .map((fileName) => {
          const filePath = path.join(directoryPath, fileName);
          try {
            const stats = fs.statSync(filePath);
            return {
              name: fileName,
              path: filePath,
              mtimeMs: stats.mtimeMs,
              size: stats.size,
            };
          } catch (error) {
            console.error(`无法获取文件状态: ${fileName}`, error);
            return null;
          }
        })
        .filter(Boolean); // 过滤掉无法获取状态的文件

      if (filesWithStats.length === 0) {
        return null; // 没有有效文件
      }

      // 找到修改时间最新的文件
      const latestFile = filesWithStats.reduce((prev, current) => {
        return current.mtimeMs > prev.mtimeMs ? current : prev;
      });

      return latestFile;
    } catch (error) {
      console.error("读取文件夹失败:", error);
      return null;
    }
  };

  // 获取初始文件列表
  let previousFiles = new Set(fs.readdirSync(directoryPath));

  // 延迟函数
  const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

  // 使用 while 循环替代 setInterval
  while (true) {
    try {
      const currentFiles = new Set(fs.readdirSync(directoryPath));
      const currentLatestFile = getLatestFile();
      logApiCall(`循环读取新文件: ${Array.from(currentFiles)}`);
      logApiCall(`之前状态文件: ${Array.from(previousFiles)}`);
      // 检查是否有新增文件
      const newFiles = Array.from(currentFiles).filter(
        (file) => !previousFiles.has(file),
      );
      logApiCall(`新增文件: ${newFiles}`);
      if (newFiles.length > 0 && currentLatestFile) {
        logApiCall(`发现新增文件: ${newFiles.join(", ")}`);

        // 只上传最新文件，且确保该文件未被上传过
        if (!uploadedFiles.has(currentLatestFile.name)) {
          logApiCall(
            `标记已上传的文件列表: ${JSON.stringify(Array.from(uploadedFiles))}`,
          );
          // 标记为已上传
          uploadedFiles.add(currentLatestFile.name);
          logApiCall(
            `添加后的文件列表: ${JSON.stringify(Array.from(uploadedFiles))}`,
          );
          // 上传最新的文件
          await watchUpload(currentLatestFile, id);
        } else {
          logApiCall(`文件 ${currentLatestFile.name} 已经上传过，跳过`);
        }
      } else if (!currentLatestFile) {
        logApiCall("文件夹中没有文件");
      } else {
        logApiCall("没有新增文件");
      }

      // 更新文件列表
      previousFiles = currentFiles;
    } catch (error) {
      logApiCall(`检查文件夹时出错: ${error.message}`);
    }

    // 等待指定时间后再进行下一次检查
    await sleep(dataJson.device.reconnect_time * 2000);
  }
};
// 上传最新文件的函数
async function watchUpload(latestFile, id) {

  const filePath = latestFile.path;
  let dataJson = loadConfig();
  try {
    logApiCall(`开始上传最新文件: ${filePath}`);
    // 采用form-data的方式上传
    const formData = new FormData();
    formData.append("file", fs.createReadStream(filePath));
    formData.append("deviceId", dataJson.device.code);
    formData.append("orderNumber", id);
    formData.append("deviceModel", dataJson.device.codeType);
    // logApiCall(`上传formData: ${JSON.stringify(formData)}`);
    logApiCall(`上传路径: ${filePath}`);
    logApiCall(`上传接口: ${dataJson.device.address}/upper/send`);

    // 上传文件
    const result = await axios.post(
      dataJson.device.address + "/upper/send",
      formData,
      {
        headers: {
          ...formData.getHeaders(),
        },
      },
    );

    logApiCall(`上传返回: ${JSON.stringify(result.data)}`);
    if (result.data.msg == "操作成功") {
      // showMessage(`文件 ${latestFile.name} 上传成功`);
      store.set("key", "success");
    } else {
      store.set("key", "success");
      // showMessage(`文件 ${latestFile.name} 上传失败: ${result.data.msg}`);
    }
  } catch (error) {
    store.set("key", "success");
    // showMessage(`文件 ${latestFile.name} 上传失败: ${JSON.stringify(error)}`);
    logApiCall(`请求失败: ${JSON.stringify(error)}`);
  }
}


// 停止监听的函数
export const stopFileWatching = () => {
  if (checkTimeout) {
    clearInterval(checkTimeout);
    console.log('文件夹监听已停止');
  }
}

// 监控文件上传并获取解析之后的数据
export const watchUploadLatestAnalysisFile = async (id) => {
  store.set('key', '');
  let newPath = null
  let fileExt = null
  let dataJson = loadConfig()
  let directoryPath = path.join(`${dataJson.device.filePathDisc}:`, dataJson.device.file_path);
  const files = fs.readdirSync(directoryPath)

  // 遍历所有文件获取最新修改时间
  const filesWithStats = files.map(fileName => {
    const filePath = path.join(directoryPath, fileName);
    return {
      name: fileName,
      stats: fs.statSync(filePath) // 获取文件状态
    };
  });

  const latestFile = filesWithStats.reduce((prev, current) => {
    // 使用 mtimeMs（毫秒时间戳）确保精度
    return current.stats.mtimeMs > prev.stats.mtimeMs ? current : prev;
  });

  // 获取最新文件
  const stats = fs.statSync(path.join(directoryPath, latestFile.name));
  let newLatestMTime = stats.mtimeMs
  latestMTime = stats.mtimeMs    //获取最新的以此上传文件的时间
  fileExt = path.extname(latestFile.name); // 正确获取扩展名（包含点）
  newPath = `${latestFile.name}`;


  checkTimeout = setInterval(async () => {
    logApiCall(`上传文件解析修改日期开始:${newLatestMTime}    上传文件解析最新修改:${latestMTime}`);
    if (newLatestMTime == latestMTime) {
      // 遍历所有文件获取最新修改时间
      let newStats = fs.statSync(path.join(directoryPath, latestFile.name));
      newLatestMTime = newStats.mtimeMs
      logApiCall(`上传文件解析未被修改过: ${path.join(directoryPath, newPath)}`);
      console.log('上传文件解析未被修改过', directoryPath)
    } else {
      clearTimeout(checkTimeout)
      logApiCall(`上传文件解析被修改过: ${path.join(directoryPath, newPath)}`);
      console.log('上传文件解析被修改过', directoryPath)
      // 采用form-data 的方式上传

      const formData = new FormData();
      formData.append(
        'file',
        fs.createReadStream(path.join(directoryPath, newPath)),
      );
      formData.append('deviceId', dataJson.device.code);
      formData.append('orderNumber', id);
      formData.append('deviceModel', dataJson.device.codeType);
      logApiCall(`上传文件解析路径: ${path.join(directoryPath, newPath)}`);
      logApiCall(`上传文件解析内容: ${JSON.stringify(formData)}`);
      logApiCall(`上传文件解析接口: ${dataJson.device.address}/upper/parsing`);

      // 上传文件
      try {
        const result = await axios.post(
          dataJson.device.address + '/upper/parsing',
          formData,
          {
            headers: {
              ...formData.getHeaders(),
            },
          },
        )

        logApiCall(`上传返回: ${JSON.stringify(result.data)}`);
        if (result.data.msg == '操作成功') {
          // showMessage('上传成功');
          store.set('key', 'success');
          store.set('resultDate', JSON.stringify(result.data));
          //  resolve(`文件上传成功`);
        } else {
          // reject(new Error(`上传失败${result.data.msg}`));
          // store.set('key', 'error');
          store.set('key', 'error');
          // showMessage(`上传失败${result.data.msg}`);
        }
      } catch (error) {
        // store.set('key', 'error');
        store.set('key', 'error');
        // showMessage(`上传失败${JSON.stringify(error)}`);
        logApiCall(`请求失败: ${JSON.stringify(error)}`);
      }

    }
  }, dataJson.device.reconnect_time * 1000)
  // })


}