var createError    = require('http-errors');
var express        = require('express');
var path           = require('path');
var cookieParser   = require('cookie-parser');
var lessMiddleware = require('less-middleware');
var session        = require('express-session');
var helmet         = require('helmet');
var logger         = require('morgan');

const Log          = require('./app/logging');
var MainConf       = require('./config.json');
var DB             = require('./app/database');
var Mailer         = require('./app/mailer');

var indexRouter = require('./routes/index');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.set('trust proxy', 1); // trust first proxy

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(helmet());
app.use(lessMiddleware(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'public')));

app.set('LOG', Log)
app.set('CONF', MainConf)
app.set('DB', DB.init(app))
app.set('MAILER', Mailer.init(app))

app.use(session({
  secret: 'RentForCamp.s3Cur3',
  name: 'sessionId',
  resave: false,
  saveUninitialized: true,
  cookie: { secure: true }
}));

app.use('/', indexRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;