const app = getApp();
const { baseUrl } = app.globalData;

// 全局配置  请求拦截,  长时间
const buildRequest = (type, url, data) => {
  return new Promise((resolve, reject) => {
    if (url.indexOf('token') == -1) {
      let token = wx.getStorageSync('token');
      if (token) {
        url += url.indexOf('?') == -1 ? '?' : '&';
        url += `token=${token}`;
      }
    }
    if (url.indexOf('http') != 0) {
      url = baseUrl + url;
    }

    wx.request({
      url,
      data,
      method: type,
      success: res => {
        if (res.statusCode == 200 || res.statusCode == 204) {
          resolve(res.data);
          return;
        }
        if (res.statusCode == 400) {
          console.error("400报错" + url, res);
          wx.showToast({
            title: res.data.message,
            icon: "none",
            duration: 1500
          });
          // reject(res);
        }
        if (res.statusCode == 401) {
          wx.clearStorageSync();
          wx.reLaunch({
            url: '/pages/login/login'
          });
        }
      },
      fail: err => {
        wx.showToast({
          title: '网络异常',
          icon: 'none',
          duration: 1500
        })
        console.error('网络异常' + url, err);
        reject(err);
      }
    });
  });
}

// 请求拦截
let Request = {};
Request.get = (url, query) => {
  return buildRequest('GET', url, query);
}
Request.post = (url, data) => {
  return buildRequest('POST', url, data);
}
Request.put = (url, data) => {
  return buildRequest('PUT', url, data);
}
Request.del = (url, data) => {
  return buildRequest('DELETE', url, data);
}

module.exports = {
  Request
}