user.js

var objectToFirebase = require('object-to-firebase');
var config = require('config');
var Firebase = require('firebase');
var rootRef = require('../services/firebaseAuthService').rootRef;
var messagesRef = rootRef.child('messages');
var usersRef = rootRef.child('users');
var Backbone = require('backbone');
var Q = require('q');
require('../services/backbonefire'); //

var User = Backbone.Firebase.Model.extend({
  initialize: function(userKey){
    console.log('User model has been initialized!');
//    var defaults = {
//      "fromUser": "hellooo"
//    };
    this.url = getUserRef(userKey);
//    Backbone.View.prototype.initialize.call(this);
//    if (!id) this.set({"fromUser": "Liam"}) ;
  },
  createTestUser: createTestUser,
  setUserRef: setUserRef
}, {
  findByMessageThreadId: findByMessageThreadId,
  findByKey: findByKey,
  usersRef: usersRef
});

//returns Firebase ref for message -- whether new or existing
function getUserRef(userKey){
  var userRef;
  if (userKey){
    userRef = usersRef.child(userKey);
  } else {
    //new message
    userRef = usersRef.push();
  }
  return userRef;
}

function setUserRef(userKey){
  console.log(userKey);
  this.url = getUserRef(userKey);
}

function findByMessageThreadId(messageThreadId){
  console.log("searching?: " + messageThreadId);
  usersRef.orderByChild("messageThreads").once("value", function(dataSnap){
    console.log(dataSnap.key());
    dataSnap.forEach(function(user){
      console.log(user.val());
    })
  });
}

function findByKey(userKey){
  var deferred = Q.defer();
  usersRef.child(userKey).once("value", function(dataSnap){
    var user = initWithSnapshot(dataSnap);
    deferred.resolve(user);
  });
  return deferred.promise;
}

function initWithSnapshot(userSnap){
  var userKey = userSnap.key(); //key is the messageThreadKey (i.e., contains messages)
  var userSnapVal = userSnap.val();
  var user = new User(userKey);
  user.set('createdAt', userSnapVal.createdAt);
  user.set('email', userSnapVal.email);
  user.set('firstName', userSnapVal.firstName);
  user.set('lastName', userSnapVal.lastName);
  user.set('lastName', userSnapVal.lastName);
  user.set('messageThreads', userSnapVal.messageThreads);
  user.set('schoolName', userSnapVal.schoolName);
  user.set('status', userSnapVal.status);
  user.set('key', userKey);
  return user;
}
//creates a user on firebase and saves them to /users node
//as of now, only used for creating test users (real users created via iOS)
function createTestUser(email){
  var deferred = Q.defer();
  var testingPassword = "testtest";
  var userEmail;
  if (!email) {
    userEmail= this.get('email');
  } else {
    userEmail = email;
  }
  console.log("creating test user: " + userEmail);
  rootRef.createUser({email: userEmail, password: testingPassword}, function(err, userData){
      if (err){
        //if user alredy exists, remove them so we can resign up that user.
        //Again, this is a TESTING ONLY METHOD
        if (err.code === "EMAIL_TAKEN"){
          console.log("user exists... deleting and retrying... for: " + userEmail);
          setTimeout(function(){
            rootRef.removeUser({email: userEmail, password: testingPassword}, function(err){
              createTestUser(userEmail).then(function(userData){
                deferred.resolve(userData)
              })
            });
          }, 1000);

        } else {
          deferred.reject(err);
        }

      } else {
        console.log("successfully created test user: " + userEmail);
        deferred.resolve(userData);
      }
  });
  return deferred.promise;
}

module.exports = User;