const env = require('./config').dev
const app = getApp()
class HTTP {
  constructor() {
    this.baseUrl = env.baseUrl,
    this.staticHost = env.staticHost,
    this.appId = env.appId
  }

  request({
    url,
    data = {},
    method = 'GET',
    contentType = 'application/x-www-form-urlencoded',
    showLoading = true
  }){
      return new Promise((resolve, reject) => {
        this._request(url, resolve, reject, data, method, contentType, showLoading)
      })
    }

  _request(url, resolve, reject, data = {}, method = 'GET', contentType = 'application/x-www-form-urlencoded', showLoading = true) {
    if(showLoading) wx.showLoading();
    let usertype =  wx.getStorageSync('usertype');
    wx.request({
      url: url,
      method: method,
      data: data,
      header: {
        'content-type': contentType,
        'appId': this.appId,
        'Authorization': "Bearer " + wx.getStorageSync('AUTH_TOKEN_'+usertype)
      },
      success: (res) => {
        console.log("header Authorization: ", res.header.Authorization);
        var Authorization_token = res.header.Authorization;
        if(Authorization_token){
          wx.setStorageSync('AUTH_TOKEN_'+usertype, Authorization_token);//当token快过期时，服务器会返回新token，本地刷新
        }
        if (res.data) {
            const code = res.data.code;
            if (code == 200) {
              resolve(res.data)
            } else if(code == 401 || code == 403 || code == 405 || code == 406){
              wx.navigateTo({
                url: app.globalData.login_url
              })
            } else {
              reject(res.data.message);//向后传递错误信息，catch会拿到
              this._show_error(showLoading, res.data.message)
            }
        } else {
          reject(res.data)//向后传递错误信息，catch会拿到
          this._show_error(showLoading, err.data.message)
        }
      },
      fail: (err) => {
          reject(err)//向后传递错误信息，catch会拿到
          this._show_error(showLoading, err.data.message)
      },
      complete: (res) => {
        console.log("res from cmplete： ",res)
        const code = res.data.code;
        if (code == 200) {
          if(showLoading) wx.hideLoading();
        }
      }
    })
  }

  _show_error(showLoading, _message) {
    if(showLoading) wx.hideLoading();
    if(_message == undefined){
      _message = "网络错误";
    }
    wx.showToast({
      title: `${_message}`,
      icon: 'none',
      duration: 2000
    })
  }
}

export {
	HTTP
}