import UIKit
//import Parse


class RegisterPageViewController: UIViewController {

    @IBOutlet weak var userEmailTextField: UITextField!
    @IBOutlet weak var userPasswordTextField: UITextField!
    @IBOutlet weak var repeatPasswordTextField: UITextField!

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


    @IBAction func registerButtonTapped(sender: AnyObject) {

        let userEmail = userEmailTextField.text;
        let userPassword = userPasswordTextField.text;
        let userRepeatPassword = repeatPasswordTextField.text;

        // Check for empty fields
        if(userEmail.isEmpty || userPassword.isEmpty || userRepeatPassword.isEmpty)
        {

            // Display alert message

            displayMyAlertMessage("All fields are required");

            return;
        }

        //Check if passwords match
        if(userPassword != userRepeatPassword)
        {
           // Display an alert message
            displayMyAlertMessage("Passwords do not match");
            return;

        }




        // Store data
        let myUser:PFUser = PFUser();

         myUser.username = userEmail
         myUser.password = userPassword
         myUser.email = userEmail


         myUser.signUpInBackgroundWithBlock {
            (success:Bool!, error:NSError!) -> Void in

                println("User successfully registered")

            // Display alert message with confirmation.
            var myAlert = UIAlertController(title:"Alert", message:"Registration is successful. Thank you!", preferredStyle: UIAlertControllerStyle.Alert);

            let okAction = UIAlertAction(title:"Ok", style:UIAlertActionStyle.Default){ action in
                self.dismissViewControllerAnimated(true, completion:nil);
            }

            myAlert.addAction(okAction);
            self.presentViewController(myAlert, animated:true, completion:nil);


        }






    }


    func displayMyAlertMessage(userMessage:String)
    {

        var myAlert = UIAlertController(title:"Alert", message:userMessage, preferredStyle: UIAlertControllerStyle.Alert);

        let okAction = UIAlertAction(title:"Ok", style:UIAlertActionStyle.Default, handler:nil);

        myAlert.addAction(okAction);

        self.presentViewController(myAlert, animated:true, completion:nil);

    }

    @IBAction func iHaveAnAccountButtonTapped(sender: AnyObject) {
        self.dismissViewControllerAnimated(true, completion: nil)
    }

}