.factory('AuthService',function($firebaseAuth,$firebaseArray,$rootScope,$state,$    ionicLoading,$ionicPopup,$http,$window){
var ref = new Firebase("https://cc-bloodapp.firebaseio.com/" + 'newUser');
var authUser = $firebaseAuth(ref);
var authRef = $firebaseArray(ref);

return{

doSignup : function(username,email,phone,state,district,city,bloodgroup,communication,wish,password){


  ref.orderByChild("phone").equalTo(phone).on('value',function(snapshot){
    var alreadySignedIn = snapshot.val();
    console.log(alreadySignedIn);
    if(alreadySignedIn){
      $ionicPopup.alert({
        title:'Error Signing In',
        template:'User already exists! try logging in!'
      });
    }
    else{
      authRef.$add({
        username:username,
        email:email,
        phone:phone,
        state:state,
        district:district,
        city:city,
        bloodgroup:bloodgroup,
        communication:communication,
        wish:wish,
        password:password

      }).then(function(){
        $ionicPopup.alert({
          title:'Success',
          template:'User added Successfully'
        });

      }).then(function(){
        ref.on("child_added", function(snapshot) {
          var signedUsers = snapshot.val();
          //console.log(signedUsers);
        }, function (errorObject) {
          console.log("The read failed: " + errorObject.code);
        });
      });
    }
  })


}