const Promise = require('../polyfill/es6-promise.js').Promise;
let common = require('../utils/common.js');
function promisify() {
  wx.pro = {}; // wx.pro 下面挂载着返回 promise 的 wx.API
  // 普通的要转换的函数
  const functionNames = [
    'login',
    'getUserInfo',
    'navigateTo',
    'checkSession',
    'getStorageInfo',
    'removeStorage',
    'clearStorage',
    'getNetworkType',
    'getSystemInfo',
    'chooseImage', //选择图片
    'uploadFile', //上传图片,
    'chooseLocation', //选择地址,
    'getImageInfo',
    'requestPayment',
    'getLocation',
    'downloadFile',
    'saveImageToPhotosAlbum',
    "saveVideoToPhotosAlbum"
  ];

  functionNames.forEach((fnName) => {
    wx.pro[fnName] = (obj = {}) => new Promise((resolve, reject) => {
      obj.success = function(res) {
        //console.log(`wx.${fnName} success`, res)
        resolve(res);
      };
      obj.fail = function(err) {
        //console.error(`wx.${fnName} fail`, err);
        wx.hideLoading();
        reject(err);
      };
      wx[fnName](obj);
    });
  });

  wx.pro.fromSync = (fun) => new Promise((resolve, reject) => {
    try {
      resolve(fun());
    } catch (ex) {
      reject(ex);
    }
  });

  wx.pro.all = (arr) => Promise.all(arr);
  // 特殊改造的函数

  wx.pro.getStorage = (key) => new Promise((resolve, _reject) => {
    wx.getStorage({
      key,
      success: (res) => {
        resolve(res.data); // unwrap data
      },
      fail: (_err) => {
        resolve(); // not reject, resolve undefined
      }
    });
  });

  wx.pro.setStorage = (key, value) => new Promise((resolve, reject) => {
    wx.setStorage({
      key,
      data: value,
      success: (_res) => {
        resolve(value); // 将数据返回
      },
      fail: (err) => {
        reject(err);
      }
    });
  });

  wx.pro.request = (options) => {
    console.log(options)
    if (options.toast) {
      wx.showToast({
        title: options.toast.title || '加载中',
        icon: 'loading'
      });
    }

    return new Promise((resolve, reject) => {
      let req = {
        url: wx.getStorageSync('serverurl') + options.url,
        method: options.method || 'GET',
        header: {
          'token': wx.getStorageSync("token"),
          "formId": wx.getStorageSync("formId")
        },
        success: (res) => {
          console.log(res)
          // if (res.data.code == 203) {
          //   // console.log(111)
          //   let refresh_token = wx.getStorageSync("refresh_token")
          //     let token = wx.getStorageSync("token")
          //     let src = `api/refresh-token?refreshToken=${refresh_token}&token=${token}`
          //     return wx.pro.request({
          //       url: src,
          //       method: "GET"
          //     }).then((ret) => {
          //       console.log(ret)
          //       if (ret.code == '200') {
          //         wx.setStorageSync('token', res.data.token);
          //         wx.setStorageSync('token', res.data.refresh_token);
          //       }
          //     })
          //     wx.pro.request(options) 
          // } 
          wx.removeStorageSync("formId");
          if (res.statusCode >= 400) {
            console.log(res)
            if (res.statusCode === 401) {
              wx.removeStorageSync("token");
            }
            if (res.statusCode === 410) {
              wx.showModal({
                title: '提示',
                content: res.data,
                showCancel: false,
                success(_res) {}
              });
            }
            if (res.statusCode == 404) {
              wx.showModal({
                title: '提示',
                content: res.data.msg,
                showCancel: false,
                success(_res) {}
              });
            }
            wx.hideLoading();
            reject(res);
          } else {
            //console.log('wx.request success', res.data)
            resolve(res.data); // unwrap data
            if (!res.data) {
              wx.hideLoading();
            }
          }
        },
        fail: (err) => {
          console.log(JSON.stringify(err));
          console.error('wx.request fail [network]', options, err);
          wx.hideLoading();
          reject(err);
        }
      };
      if (options.data) {
        req.data = options.data;
        req.header['content-type'] = 'application/json';
      }
      wx.request(req);
    });
  };
}


promisify();

module.exports = Promise;