// thirdPartyApi.js
const axios = require('axios');
// BASIC_API = 'https://hemobs.icoldchain.cn/'
const BASIC_API = 'http://testbs.ihemodialysis.com/'
let cachedToken = null;
let tokenExpiresAt = null;

// 获取 Token 的函数
async function getAccessToken() {
  try {
    const formData = new FormData();
    formData.append('user_no', 'data_cyc');
    formData.append('user_password', 'cheng0624');
    const response = await axios.post(`${BASIC_API}/user/info/login`, formData, {
      headers: {
        'Content-Type': 'multipart/form-data', // 通常不需要手动设置，axios 会自动处理
      }
    });
    // 假设响应中包含 token 字段和 expires_in 秒数
    const { data } = response.data;
    const expires_in=3600
    return { data ,expires_in};
  } catch (error) {
    console.error('Error getting access token:', error.message);
    throw error;
  }
}

// 获取缓存或新的 Token
async function getCachedOrNewToken() {
  if (cachedToken && tokenExpiresAt > Date.now()) {
    return cachedToken;
  }

  // 如果 token 已经过期或不存在，则重新获取
  const { data, expires_in } = await getAccessToken();
  cachedToken = data;
  tokenExpiresAt = Date.now() + (expires_in - 60) * 1000; // 提前 60 秒刷新 token
  return cachedToken;
}

// 构建 URL 函数
function buildUrl(base, pathParams) {
  let url = BASIC_API+base;
  Object.keys(pathParams).forEach(key => {
    url = url.replace(`:${key}`, encodeURIComponent(pathParams[key]));
  });
  return url;
}

// 发起第三方 API 请求 不需要token
async function fetchThirdPartyDataNoToke(url, method = 'GET', headers = {}, data = null, queryParams = {}, pathParams = {}) {
  try {
    const fullUrl = buildUrl(url, pathParams);
    const response = await axios({
      url: fullUrl,
      method,
      headers: {
        ...headers
      },
      params: queryParams, // 查询字符串参数
      data // 请求体参数
    });

    return response.data;
  } catch (error) {
    console.error('Error fetching third-party data:', error.message);
    throw error;
  }
}

// 发起第三方 API 请求
async function fetchThirdPartyData(url, method = 'GET', headers = {}, data = null, queryParams = {}, pathParams = {}) {
  try {
    const token = await getCachedOrNewToken();
    console.log('得到了token------------------------',token)
    const fullUrl = buildUrl(url, pathParams);

    const response = await axios({
      url: fullUrl,
      method,
      headers: {
        ...headers,
        Authorization: `Bearer ${token}`
      },
      params: queryParams, // 查询字符串参数
      data // 请求体参数
    });

    return response.data;
  } catch (error) {
    console.error('Error fetching third-party data:', error.message);
    throw error;
  }
}

module.exports = {
  fetchThirdPartyDataNoToke,
  fetchThirdPartyData,
  getAccessToken
};

// 插入数据
const installData=async (mode)=>{
  console.log(mode)
  try{
   let selectSql=`SELECT * FROM patient_rtcf_result WHERE code='${mode.recordNo}'`
   const [rows] = await pool.promise().query(selectSql);
   if(rows.length>0){
      let updateSql=''
      if(mode.fatFree){
           updateSql=`UPDATE patient_rtcf_result SET rtcf_json_bf ='${JSON.stringify(mode)}'`
      }else if (mode.bmi){
           updateSql=`UPDATE patient_rtcf_result SET rtcf_json_bmi ='${JSON.stringify(mode)}'`
      }
      if(updateSql){
          console.log(`-------------------------更新${updateSql}---------`)
          console.log(updateSql)
          await pool.promise().query(updateSql)
      }
   }else{
      console.log('34')
      // 临时的人体成分分析
      let bf=''
      // 临时的身高体重
      let bmi=''
      if(mode.fatFree){
          bf=JSON.stringify(mode)
      }
      if(mode.bmi){
          bmi=JSON.stringify(mode)
      }
      console.log(`bf=${bf},bmi=====${bmi}`)
      let sqlStr=`INSERT INTO  patient_rtcf_result (id, code, patient_code,`+
          `comm_time,rtcf_json_bmi,`+
          `rtcf_json_bf,`+
          `create_time)`+
          `VALUES (0, '${mode.recordNo}', '${mode.userID}', '${mode.measureTime}','${bmi}','${bf}','${moment(new Date()).format('YYYY-MM-DD HH:mm:ss')}')`
      console.log(sqlStr)
      await pool.promise().query(sqlStr)
   }
   
  }catch(err){
      console.log('数据写入异常22')
  }
}