secret = require('./secrets.js');

var throwErr = function(req,err){
	console.log('Middleware error:'+err+'\nfor request:\n'+req);
	if (secret.env==='production') {
		req.flash('error', 'An error occured. <br>Would you like to <a href="/bug">report it</a>?');
		req.flash('error-message',err);
	} else {
		req.flash('error',err);
		req.flash('error-message',err);
	}
};

var ensureAuth = function(req,res,next){
	if (req.isAuthenticated()) { return next(); }
	else {
		// req.session.returnTo = req.path;
		// console.log('mw.ensureAuth: Going to redirect to '+req.path+' after login.'); // TODO: Correct next path
		req.flash('error', 'You must be signed in to do that.  <a href="/login">Click here to log in</a>.  ');
		res.redirect(req.path);
	}
};

var ensureAdmin = function(req,res,next){
	if (req.isAuthenticated()&&req.user.isAdmin) { return next(); }
	else { res.sendStatus(401); }
};

module.exports = {
	throwErr,
	ensureAuth,
	ensureAdmin	
};