var express = require('express');
var multer = require('multer');
var router = express.Router();
var connection = require('../config/db');
var util = require('util');
var fs = require('fs');
//var mongojs = require('mongojs')
var app = express();
var sha256 = require('../node_modules/sha256');

app.use(function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
});



router.get('/getUser', function(req,res,next){

    var lastData = collectionDB.find().toArray(function (err,user) {

        connection(function(err,db){
            var collectionDB = db.collection('usercollection');

            user.forEach(function(lastUser, index, arrayUsr) {
                if (index === arrayUsr.length - 1) {
                    console.log(lastUser);
                    res.json(lastUser);
                }
            });

        });

    });
});

router.post('/isNewUser/:pseudo', function(req,res,next){

    var pseudo= req.params.pseudo;

    var isNew;


    connection(function(err,db){
        var collectionDB = db.collection('usercollection');

        collectionDB.findOne({pseudo: pseudo},function (err,result) {
            if(err){
                res.send(err);
            }
            if(result == null){
                isNew = true;
            }else{
                isNew = false;
            }
            res.json(isNew);
        });

    });
});


router.post('/user', function(req,res,next){


    var user= req.body;

    user.status = "Online";
    user.exist = true;
    user.password = sha256(req.body.password);



    //si le user ne met pas de photo on envoie la photo par default dans la db
    if(user.picture === ''){
        user.picture = 'profile.jpg'
    }

    connection(function(err,db){
        var collectionDB = db.collection('usercollection');
        //console.log(JSON.stringify(userPseudo));
        //console.log(JSON.stringify(userEmail));


        collectionDB.save(user, function (err,user) {
            if(err){
                res.send(err);
            }
            //console.log(user);
            //console.log(user);

            res.json(user);
        })


    });
});

router.post('/uploadFile' , multer({dest: './public/'}).array('public[]', 12) ,function(req,res,next){

    console.log("req.files: "+req.files[0].fieldname);
    console.log("req.files: "+req.files[0].originalname);
    console.log("req.files: "+req.files[req.files[0].filename]);
    //console.log("req.files: "+req.files['public[]'][0]);

    console.log("req.files.type: "+req.files[0].type);
    console.log("req.files.name: "+req.files[0].name);
    console.log("req.files.filePath: "+req.files[0].filePath);
    console.log("req.files.filename: "+req.files[0].filename);
    console.log("req.files.path: "+req.files[0].path);

//    req.files[0].rename(fieldname, filename);

    res.send(req.files);

});

//var test = upload.single('file')
//post qui va stocker la photo du user ajoute dans le register , multer permet de definir le dossier serveur dans lequel seront stockes les photos
router.post('/upload' , multer({dest: "./public/"}).array("public[]", 12) ,function(req,res,next){

    res.send(req.files);

    var userPicture= req.files;

});

router.get('/contacts', function (req,res,next) {

    connection(function(err,db){
        var collectionDB = db.collection('usercollection');
        collectionDB.find().toArray(function (err,contacts){
            if(err){
                res.send(err);
            }
            res.json(contacts)
        })
    });
});

router.get('/invites', function(req,res,next){

    connection(function(err,db){
        var collectionDB = db.collection('usercollection');
        collectionDB.find().toArray(function (err,invites){
            if(err){
                res.send(err);
            }
            res.json(invites)
        })
    });

});
//on recupere le user correspondant au user tape dans l'input des contacts, qui est passe dans l url recupere ici
router.get('/contact/:id', function (req,res,next) {

    var myContactId = req.params.id;


    connection(function(err,db){
        var collectionDB = db.collection('usercollection');
        collectionDB.findOne({pseudo : myContactId}, function (err,contact) {
            if(err){
                res.send(err);
            }
            res.json(contact)
        });
    });
});


router.post('/newContact/:id', function (req,res,next) {

    var myUserToUpdate = req.params.id;
    var newContact = req.body;
    var newContactPicture = req.body.picture;
    var newContactPseudo = req.body.pseudo;
    var newContactStatus = req.body.status;


    connection(function(err,db) {
        var collectionDB = db.collection('usercollection');
        collectionDB.update({"pseudo" : myUserToUpdate},  { $push: {"contactList":{"pseudo":newContactPseudo,"picture":newContactPicture,"status":newContactStatus}}}, function (err,newContact) {
            //collectionDB.insert({pseudo : myUserToUpdate,  contactList:newContact}, function (err,newContact) {
            if(err){
                res.send(err);
            }
            //console.log(user);
            //console.log(user);

            res.json(newContact);
        })
    });
});

router.post('/newInvite/:id', function (req,res,next) {

    var myUserToUpdate = req.params.id;
    var newContact = req.body;
    var newInvitePicture = req.body.picture;
    var newInvitePseudo = req.body.pseudo;
    var newInvitePseudoReceiver = req.body.pseudoReceiver;


    connection(function(err,db) {
        var collectionDB = db.collection('usercollection');
        collectionDB.update({"pseudo" : myUserToUpdate},  { $push: {"contactInvitesList":{"pseudo":newInvitePseudo,"picture":newInvitePicture,"senderInvite":myUserToUpdate}}}, function (err,newContact) {
            //collectionDB.insert({pseudo : myUserToUpdate,  contactList:newContact}, function (err,newContact) {
            if(err){
                res.send(err);
            }
            //console.log(user);
            //console.log(user);

            res.json(newContact);
        })
    });
});

router.post('/removeInvite/:id', function (req,res,next) {
    var myContactId = req.params.id;
    var invitePseudoToSuppr = req.body.pseudo;



    connection(function(err,db){
        var collectionDB = db.collection('usercollection');
        collectionDB.update({"pseudo":myContactId},{$pull:{"contactInvitesList":{pseudo:invitePseudoToSuppr}}}, function (err,contact) {
            if(err){
                res.send(err);
            }
            res.json(contact)
        });
    });
});

router.post('/addRoomToContact/:id', function (req,res,next) {
    var myUserToUpdate = req.params.id;
    var myContactToUpdate = req.body;

    connection(function(err,db){
        var collectionDB = db.collection('usercollection');
        collectionDB.update({"pseudo":myUserToUpdate, "contactList.pseudo":myContactToUpdate.pseudo},{$push:{"contactList.$.room":myContactToUpdate.roomID}}, function (err,newContact) {
            //collectionDB.insert({pseudo : myUserToUpdate,  contactList:newContact}, function (err,newContact) {
            if(err){
                res.send(err);
            }


            res.json(newContact);
        });
    });
});

router.get('/getContactRoom/:myPseudo/:myContactPseudo',function (req,res,next) {

    var myPseudo = req.params.myPseudo;
    var myContactPseudo = req.params.myContactPseudo;


    connection(function(err,db){
        var collectionDB = db.collection('usercollection');
        collectionDB.findOne({pseudo : myPseudo},{"contactList":{$elemMatch:{"pseudo": myContactPseudo}}}, function (err,roomID) {
            if(err){
                res.send(err);
            }
            //console.log(roomID.contactList[0].room)
            res.json(roomID.contactList[0].room)
        });
    });
});

router.post('/removeContact/:id', function (req,res,next) {
    var myUserId = req.params.id;
    var contactToSuppr = req.body.pseudo;



    connection(function(err,db){
        var collectionDB = db.collection('usercollection');

        //je supprime le contact en question de ma contactList
        collectionDB.update({"pseudo":myUserId},{$pull:{"contactList":{pseudo:contactToSuppr}}}, function (err,contactRemovedA) {
            //je me supprime aussi de sa contactList aussi du coup
            collectionDB.update({"pseudo":contactToSuppr},{$pull:{"contactList":{pseudo:myUserId}}}, function (err,contactRemovedB) {
                if(err){
                    res.send(err);
                }
                //res.json(contactRemovedA,contactRemovedB)
            });
        });
    });
});

//je chope tous les contacts d un user
router.get('/getContactList/:id', function (req,res,next) {
    var userPseudo = req.params.id;
    connection(function(err,db){
        var collectionDB = db.collection('usercollection');
        collectionDB.findOne({pseudo:userPseudo},{contactList:1}, function (err,contactList) {

            if(err){
                res.json(err);
            }
            else {
                res.json(contactList);
            }
        })
    })
});


module.exports = router;