const app = getApp()

function request(path, options = {}) {
  return new Promise((resolve, reject) => {
    const header = { 'Content-Type': 'application/json' }
    if (app.globalData.token) header['Authorization'] = 'Bearer ' + app.globalData.token
    
    wx.request({
      url: app.globalData.apiUrl + path,
      method: options.method || 'GET',
      data: options.data,
      header,
      success(res) {
        const body = res.data
        if (body.code === 0) {
          resolve(body.data)
        } else {
          if (body.code === 401) {
            wx.removeStorageSync('token')
            wx.removeStorageSync('user')
            wx.reLaunch({ url: '/pages/login/index' })
          }
          reject(new Error(body.message))
        }
      },
      fail(err) { reject(new Error('网络请求失败')) }
    })
  })
}

module.exports = {
  get: (path) => request(path),
  post: (path, data) => request(path, { method: 'POST', data }),
  put: (path, data) => request(path, { method: 'PUT', data }),
  del: (path) => request(path, { method: 'DELETE' }),
}