(function() {

  'use strict';
  var express = require('express');
  var router = express.Router();
  var fs = require('fs');
  var path = require('path');

  /* GET home page. */
  router.get('/', function(req, res) {
    res.render('index');
  });

  /* Hit the end point and serve the tree */
  router.get('/api/tree', function(req, res) {
    var _p;
    if (req.query.id == 1) {
      _p = path.resolve(__dirname, '..', 'client');
      processReq(_p, res);

    } else {
      if (req.query.id) {
        _p = req.query.id;
        processReq(_p, res);
      } else {
        res.json(['No valid data found']);
      }
    }
  });