'use strict';

const express = require('express');

const app = express();

const path = require('path');

const logger = require('./so-forms').logger;

const churchill = require('churchill');

const session = require('express-session');

const redis = require('redis');

const RedisStore = require('connect-redis-crypto')(session);

const config = require('./config');

const servestatic = require('serve-static');

require('moment-business');

global.__base = path.join(__dirname, '/');

if (config.env !== 'ci') {

app.use(churchill(logger));

}

if (config.env === 'development' || config.env === 'so-ci' || config.env === 'ci-build') {

app.use('/public', express.static(path.resolve(__dirname, './public')));

}

app.use(function injectLocals(req, res, next) {

req.baseUrl = config.siteroot + req.baseUrl;

res.locals.assetPath = config.siteroot + '/public';

res.locals.gaTagId = config.ga.tagId;

next();

});

app.set('view engine', 'html');

const hofTemplate = require('hmpo-govuk-template');

hofTemplate.setup(app, {

path: config.siteroot + '/govuk-assets'

});

app.use('/govuk-assets', servestatic(hofTemplate.assetPath));

app.set('views', path.resolve(__dirname, './so-forms/views'));

app.enable('view cache');

app.use(require('express-partial-templates')(app));

app.engine('html', require('hogan-express-strict'));

app.use(require('body-parser').urlencoded({extended: true}));

app.use(require('body-parser').json());

app.use(function setBaseUrl(req, res, next) {

res.locals.baseUrl = req.baseUrl;

next();

});

/*************************************/

/******* Redis session storage *******/

/*************************************/

logger.info('connecting to redis on ', config.redis.port, config.redis.host);

var client = redis.createClient(config.redis.port, config.redis.host);

client.on('error', function clientErrorHandler(e) {

throw e;

});

var redisStore = new RedisStore({

client,

ttl: config.session.ttl,

secret: config.session.secret

});

function secureCookies(req, res, next) {

var cookie = res.cookie.bind(res);

res.cookie = function cookieHandler(name, value, options) {

options = options || {};

options.secure = (req.protocol === 'https');

options.httpOnly = true;

options.path = '/';

cookie(name, value, options);

};

next();

}

app.use(require('cookie-parser')(config.session.secret));

app.use(secureCookies);

function initSession(req, res, next) {

session({

store: redisStore,

cookie: {

secure: (req.protocol === 'https')

},

key: 'hmbrp.sid',

secret: config.session.secret,

resave: true,

saveUninitialized: true

})(req, res, next);

}

app.use(initSession);

// apps

app.use(require('./apps/rtm/'));

// errors

app.use(require('./so-forms').errors);

/*eslint camelcase: 0*/

app.listen(config.port, config.listen_host);

/*eslint camelcase: 1*/

logger.info('App listening on port', config.port);