const express = require('express');
const cookieParser = require('cookie-parser');
const bodyParser = require('body-parser');
const methodOverride = require('method-override');
const cors = require('cors');
const compression = require('compression');

const log = require('./log')(module);

const config = require('./config');
const cache = require('apicache').options({ debug: config.get('debug') }).middleware;

const app = express();

const api = require('./routes/api');

const mongoose = require('./db/mongoose');

const db = mongoose();

const passport = require('passport');
const jwt = require('jwt-simple');

app.use(passport.initialize());

process.env.NODE_ENV = process.env.NODE_ENV || 'development';

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(cors());
app.use(methodOverride());
app.use(cache('1 day'));
app.use(compression(9));
app.use(api);

// catch 404 and forward to error handler
app.use((req, res, next) => {
    res.status(404);
    log.debug('%s %d %s', req.method, res.statusCode, req.url);
    res.json({ error: 'Not found' }).end();
});

// error handlers
app.use((err, req, res, next) => {
    res.status(err.status || 500);
    log.error('%s %d %s', req.method, res.statusCode, err.message);
    res.json({ error: err.message }).end();
});

module.exports = app;