import axios from "axios";


const client = axios.create({
  baseURL: getBaseUrl()
});

export function getBaseHost() {
  if (process.env.NODE_ENV === 'production') {
    return location.host;
  } else {
    return '//devapi-local.tryfly.eu.org'
  }
}

export function getBaseUrl() {
  let host = getBaseHost();
  if (process.env.NODE_ENV === 'production') {
    return location.protocol + '//' + host;
  } else {
    return location.protocol + '//' + host;
  }
}

class HttpError extends Error {
  constructor(message, code) {
    super(message)
    this.code = code
    this.name = 'HttpError'
  }
}

client.interceptors.request.use(req => {
  let accessToken = sessionStorage.getItem('G_PSID1');
  if (accessToken) {
    req.headers.Authorization = accessToken;
  }
  return req;
})

client.interceptors.response.use(res => {
  if (res.status != 200) {
    return Promise.reject(new Error(`http response ${res.status}:${res.statusText}`))
  }
  if (typeof res.data === 'object' && res.data.hasOwnProperty('code')) {
    if (res.data['code'] === 0) {
      return res.data['data']
    } else {
      return Promise.reject(new HttpError(res.data['reason'], res.data['code']))
    }
  }
  if (typeof res.data === 'object' && res.data.hasOwnProperty('errno')) {
    if (res.data['errno'] == 0) {
      return res.data['result']
    } else {
      return Promise.reject(new HttpError(res.data['errmsg'], res.data['errno']))
    }
  }
  return res;
})

export default client;