var app = getApp(); //引入全局app.js，我们可以在globalData中定义一些公用的数据，比如baseUrl、token

const request = function(url, options) {
  let header = {
    'content-type': 'application/json;charset=utf-8'
  };
  
  if (app.globalData.token) {
    header.Authorization = app.globalData.token;
  }
  // 检查外部传递的请求头是否存在
  if (options.header && typeof options.header === 'object') {
    // 合并外部传递的请求头
    header = Object.assign({}, header, options.header);
  }
  return new Promise((resolve, reject) => {
    wx.request({
      url: app.globalData.baseUrl + url,
      method: options.method,
      data: options.data,
      header: header,
      success: (res) => {
        if (res.data.code == 500) {
          wx.showModal({
            showCancel: false,
            title: '提示',
            content: res.data.message
          });
          reject(res.data.message);
        } else {
          resolve(res);
        }
      },
      fail: (err) => {
        reject(err);
      }
    });
  });
};

const get = function(url, data, header) {
  return request(url, {
    method: "GET",
    data,
    header
  });
}

const post = function(url, data, header) {
  return request(url, {
    method: "POST",
    data,
    header
  });
}


/**
 * 上传图片文件
 * @param {*} url 请求地址
 * @param {*} imgSrc 本地图片临时路径
 */
const upImgFile = function(url, imgSrc) {
  let header = {
    'content-type': 'application/json;charset=utf-8'
  };
  
  if (app.globalData.token) {
    header.Authorization = app.globalData.token;
  }
  // 检查外部传递的请求头是否存在
  // if (options.header && typeof options.header === 'object') {
  //   // 合并外部传递的请求头
  //   header = Object.assign({}, header, options.header);
  // }
  return new Promise((resolve, reject) => {
    wx.uploadFile({
      url: app.globalData.baseUrl + url,
      name: "file",
      filePath: imgSrc,
      header: header,
      formData: {
        "file": "upimagefile",
      },
      success: function (res) {
        if (res.data.code == 500) {
          wx.showModal({
            showCancel: false,
            title: '提示',
            content: res.data.message
          });
          reject(res.data.message);
        } else {
          resolve(res);
        }
      }
    });
  });
};

//暴露方法
module.exports = {
  get,
  post,
  upImgFile
};