module.exports = createApp;

var express = require('express');

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

var uuid = require('node-uuid');

var cors = require('cors');

var debug = require('./debug');

var LDP = require('./ldp');

var LdpMiddleware = require('./ldp-middleware');

var proxy = require('./handlers/proxy')

var corsSettings = cors({

methods: [

'OPTIONS', 'HEAD', 'GET',

'PATCH', 'POST', 'PUT', 'DELETE'

],

exposedHeaders: 'User, Location, Link, Vary, Last-Modified, Content-Length',

credentials: true,

maxAge: 1728000,

origin: true

});

function createApp (argv) {

var ldp = new LDP(argv);

var app = express();

// Setting options as local variable

app.locals.ldp = ldp;

// Session

app.use(session({

secret: ldp.secret || uuid.v1(),

saveUninitialized: false,

resave: false

}));

// Adding proxy

if (ldp.proxy) {

proxy(app, ldp.proxy);

}

// Setting up routes

app.use('/', LdpMiddleware(corsSettings));

return app;

}