routes.js

var users  = require('./controllers/users'),
    trails  = require('./controllers/trails'),
    posts = require('./controllers/posts'),
    comments = require('./controllers/comments'),
    passport = require('./config/passport'),
    gridFs = require('./controllers/gridFS'),
    multer = require("multer"),
    upload = multer({dest: "./uploads"});

module.exports = function(app, passport) {

    app.get('/', function(req, res) {
        res.writeHead(200, {"Content-Type": "application/json"});
        res.end("MobilePassport API v1");
    });
//==========Authentication Routes============
    // Login [x]
    app.post('/login', users.login);

    // Register [x]
    app.post('/signup', users.create); 

    // Search For User by ID [x]
    app.get('/user/search/id/:id', isLoggedIn, users.read);

    // Search For User by Username [x]
    app.get('/user/search/username/:username', isLoggedIn, users.readByUsername);

    // Search For Users by Username [x]
    app.get('/user/search/usernames/:usernames', isLoggedIn, users.findUsers);

    // Follow User by Username [x]
    app.post('/user/follow/userId', isLoggedIn, users.follow);
    
    // Unfollow User by Username [x]
    app.post('/user/unfollow/userId', isLoggedIn, users.unfollow);
    
    // My Profile for Currently Logged in User [x]
    app.get('/user/profile', isLoggedIn, users.me);

    // Update As Currently Logged In User [x]
    app.put('/user/update', isLoggedIn, users.update);

    // Delete Currently Logged in User [x]
    app.delete('/users/search/id/:id', isLoggedIn, users.delete);

    // [x]
    app.post('/logout', isLoggedIn, function(req, res) {
	req.session.destroy(function(err){
            if(err)
		res.status(500).end('an internal error occurred');
            else
		res.end('logged out');
	});
    });

    //==========File Store Routes============
    // Read an existing filestream [x]
    app.get('/upload/:fileId', isLoggedIn, gridFs.read);

    // Create a new filestream [x]
    app.post('/upload', upload.single("recfile"), gridFs.create);

    // Delete an existing filestream [x]
    app.delete('/upload:fileId', isLoggedIn, gridFs.delete);

//==========Trail Mapping Routes============
    // Create a new trail [x]
    app.post('/trails', isLoggedIn, trails.create);

    // Get all trails [x]
    app.get('/trails', isLoggedIn, trails.getTrails);

    // delete trail by id [x]
    app.get('/users/id/:id/trails/search/id/:trailId', isLoggedIn, trails.deleteTrail);

//==========Trail Event Routes============

//==========Post Routes============
    // Create a new post [x]
    app.post('/posts', isLoggedIn, posts.create);

    //Get all posts of current user and following 
    app.get('/posts/:lastSeen', isLoggedIn, posts.getPosts);

    //Get all the posts of only the current user 
    app.get('/posts/user', isLoggedIn, posts.getUserPosts);

    //A post is liked [x]
    app.post('/posts/like', isLoggedIn, posts.like);
    
    //A post is unliked 
    app.post('/posts/unlike', isLoggedIn, posts.unlike);

    //A post is commented on [x]
    app.post('/posts/comment', isLoggedIn, comments.create);

    app.get('/posts/comments/:postId/:lastSeen', isLoggedIn, comments.getComments);

    //A comment is deleted [x]
    app.delete('users/id/:id/comments/search/id/:commentId', isLoggedIn, comments.deleteComment);

    //A reply is deleted [x]
    app.delete('users/id/:id/comments/search/id/:commentId/replies/:replyId', isLoggedIn, comments.deleteReply);
    //Delete a post by ID [x]
    app.delete('users/id/:id/posts/search/id/:postId', isLoggedIn, posts.deletePost);
    

    //======Facebook Authentication Routes=======
    // Authenticate a user with facebook [x]
    app.post('/auth/facebook/token',
	     passport.authenticate('facebook-token'),
	     function (req, res) {
		 if (req.user){
		     return res.status(200).end(JSON.stringify(req.user));
		 } else
		     return res.status(401).end('Facebook user not found');
	     });
}
// Make a call to redis to ensure an active session [x]
function isLoggedIn(req, res, next) {
    //if(req.session.key)
    //console.log(JSON.stringify(req.user));
    //if(req.user)
    if(req.session.key)
        return next();
    return res.status(401).end('Not logged in');
}