var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var serveIndex = require('serve-index');
var serveStatic = require('serve-static')

var routes = require('./routes/index');
var users = require('./routes/users');
var dgeusers = require('./dgeusers.json');
console.log("Read these dgeusers: " + JSON.stringify(dgeusers));

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


// set up static serving and directory listings for each user's lib/flows directory
dgeusers.forEach( function(dgeuser) {
	console.log("Setting up static serving for " + dgeuser);
	var sDir = "../users/" + dgeuser + '/flows/shared';
	console.log("sDir" + sDir);
  app.use('/listFlows/'+dgeuser+'/flows/shared', serveIndex(sDir, {'view': 'details', 'icons': true}))
});

app.use('/', routes);
app.use('/users', users);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function(err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
        message: err.message,
        error: {}
    });
});


module.exports = app;