/*jshint node:true*/
'use strict';
var db = require('../units/db-connector').dbConnection;
var dbPages = require('../units/db-pages')(db);
var $U = require('md-utils');
var Events = require('events');
var jade = require('jade');
var fs = require('fs');

var eventHandler = new Events();

var util = require('util');

var templates = {
  basic: {path: __dirname + '/jade/type0.jade', compiled: null}
};

var eventRenderPage = (page) => {
  console.log('+++ eventRenderPage');
  doRenderPage(page)
};

var doRenderPage = (page) => {
  console.log('+ doRenderPage');

  var compiledhtml, _page = $U.unDashObject(page);
  var htmlfile = __dirname + '/static/' + _page.pid + '.html';

  if (templates.basic.compiled === null) {
    templates.basic.compiled = jade.compileFile(templates.basic.path);
  }

  compiledhtml = templates.basic.compiled(_page);

  fs.writeFileSync(htmlfile, compiledhtml);
  console.log('- doRenderPage');
};


eventHandler.on('renderPage', eventRenderPage);



module.exports = function(app) {
  var express = require('express');
  var pagesRouter = express.Router();

  pagesRouter.get('/', function(req, res) {
    res.send({
      pages: []
    });
  });

  pagesRouter.post('/', function(req, res) {
    console.log(util.inspect(req.body.data));

    dbPages.addNewPage(req.body.data)
      .then(function(data) {

        let response = {
          data: data
        };

        eventHandler.emit('renderPage',data.attributes);

        console.log('Finalising...');
        console.log(response);
        res.status(200).send(response);

      })
      .catch((err)=> {
        console.error(err);
        res.status(401).end();
      });
  });

  pagesRouter.get('/:id', function(req, res) {
    res.send({
      pages: {
        id: req.params.id
      }
    });
  });

  pagesRouter.put('/:id', function(req, res) {
    res.send({
      pages: {
        id: req.params.id
      }
    });
  });

  pagesRouter.delete('/:id', function(req, res) {
    res.status(204).end();
  });

  // The POST and PUT call will not contain a request body
  // because the body-parser is not included by default.
  // To use req.body, run:

  //    Npm install --save-dev body-parser
  app.use('/api/pages', require('body-parser').json({type: 'application/vnd.api+json'}));

  // After installing, you need to `use` the body-parser for
  // this mock uncommenting the following line:
  //
  //App.use('/api/pages', require('body-parser').json());
  app.use('/api/pages', pagesRouter);
};