import $ from 'jquery'
import NProgress from 'nprogress'

import { event } from '../utils'
import { ls } from '../services'

/**
 * Responsible for all HTTP requests.
 */
export const http = {
  request (method, url, data, successCb = null, errorCb = null) {
    return $.ajax({
      data,
      dataType: 'json',
      url: `/api/${url}`,
      method: method.toUpperCase(),
      headers: {
        Authorization: `Bearer ${ls.get('jwt-token')}`
      }
    }).done(successCb).fail(errorCb)
  },

  get (url, successCb = null, errorCb = null) {
    return this.request('get', url, {}, successCb, errorCb)
  },

  post (url, data, successCb = null, errorCb = null) {
    return this.request('post', url, data, successCb, errorCb)
  },

  put (url, data, successCb = null, errorCb = null) {
    return this.request('put', url, data, successCb, errorCb)
  },

  delete (url, data = {}, successCb = null, errorCb = null) {
    return this.request('delete', url, data, successCb, errorCb)
  },

  /**
   * Init the service.
   */
  init () {
    $(document).ajaxComplete((e, r, settings) => {
      NProgress.done()

      if (r.status === 400 || r.status === 401) {
        if (!(settings.method === 'POST' && /\/api\/me\/?$/.test(settings.url))) {
          // This is not a failed login. Log out then.
          event.emit('logout')
          return
        }
      }

      const token = r.getResponseHeader('Authorization')
      if (token) {
        ls.set('jwt-token', token)
      }

      if (r.responseJSON && r.responseJSON.token && r.responseJSON.token.length > 10) {
        ls.set('jwt-token', r.responseJSON.token)
      }
    })
  }
}