module.exports = function (app) {
  const express = require('express'),
    router = express.Router(),
    billingCtl = require('../controllers/billing');

  /**
  * @api {get} /billing/premiumStatus Get subscription status
  * @apiVersion 1.2.2
  * @apiName GetBillingPremiumStatus
  * @apiGroup Billing
  * @apiDescription Get Agmission subcription status
  * @apiSuccess {Integer} premium Premium level e.g.: 0 - Basic, 1 - Premium, 2 - Silver
  * @apiSuccess {String} status Subcription status e.g.: 'active', 'canceled'
  * @apiSuccess {Date} start Current period start date.
  * @apiSuccess {Date} next_cycle Next billing cycle date.
  * 
  * @apiSuccessExample Success
  * HTTP/1.1 200 OK
  *  {
  *    "premium": 1,
  *    "status": "active",
  *    "start": "2020-06-01T20:36:24.030Z",
  *    "next_cycle": "2021-06-01T20:36:24.030Z"
  *  }
  */
  router.get('/premiumStatus', billingCtl.getCustBillingStatus_get);

  router.post('/getCustUsage', billingCtl.getCustUsage_post);

  router.post('/exportUsageDetail', billingCtl.exportUsageDetail_post);

  app.use('/api/billing', router);
}