var express = require("express");
var hbs = require('express-hbs');
require('handlebars-form-helpers').register(hbs.handlebars);
var bodyParser = require("body-parser");
var app = express();
var winston = require('winston');
winston.add(winston.transports.File, { filename: './logs/notes.kaplon.us.log', maxsize: 5000000 });  // 5MB
var fileSystem = require('fs');

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));    // Not sure if both needed here.

// Use `.hbs` for extensions and find partials in `views/partials`.
app.engine('hbs', hbs.express4({
    partialsDir: __dirname + '/views/partials'
}));
app.set('view engine', 'hbs');
app.set('views', __dirname + '/views');

var notePath = __dirname + '/allNotes.txt';

app.get('/', function(req, res){
    winston.info("GET /");
    // Get curent text from allNotes.txt.
    // How to pass that text into index.html editor control??? Still need Handlebars???
    // i may be grokking it...need to keep handlebars, though.
    // read contents of allNotes.txt into a variable.
    // pass that variable as data to handlebars template, {{notetxt}}.
    res.render('index', {notetxt: noteTxt}, function(err, html) {
        if(err !== null) {
            winston.error(err);
        } else {
            res.send(html);
        }
    });
});

app.post('/', function(req, res){
    winston.info(req.body);
    // Stage and commit changes to allNotes.txt.
    res.status(204).send('POST received');
});

app.listen(3000, function() {
    winston.info("Started on PORT 3000");
});