//
//  Login.swift
//  AnimationProject
//
//  Created by Camilo López on 19/07/17.
//  Copyright © 2017 webprogramo. All rights reserved.
//

import UIKit

class Login: UIViewController {


    //Linked objects
    @IBOutlet weak var lblLogin: UILabel!
    @IBOutlet weak var txtUser: UITextField!
    @IBOutlet weak var txtPassword: UITextField!
    @IBOutlet weak var btnLogin: UIButton!

    var lblPosition:CGRect?
    var userPosition:CGRect?
    var passPosition:CGRect?
    var btnPosition:CGRect?



    override func viewDidLoad() {
        super.viewDidLoad()

        // Here we are gonna write animation settings
        self.lblPosition = lblLogin.frame
        self.userPosition = txtUser.frame
        self.passPosition = txtPassword.frame
        self.btnPosition = btnLogin.frame

        //old way
        //self.lblLogin.frame = CGRect(x: 0, y: self.lblLogin.layer.position.y, width: self.lblLogin.frame.size.width, height: self.lblLogin.frame.size.width)
        //new way
        self.position(self.lblLogin, x: 0, y: nil, hidden: false)
        self.position(self.btnLogin, x: nil, y: self.view.frame.size.height + self.btnLogin.frame.size.height, hidden: false)
        self.txtUser.alpha = 0
        self.txtPassword.alpha = 0

        UIView.animate(withDuration: 1.0, delay: 0, options: .curveEaseIn, animations: {

           self.lblLogin.frame = self.lblPosition!
           self.txtUser.alpha = 1
           self.txtPassword.alpha = 1
           self.btnLogin.frame = self.btnPosition!

        }) { (Bool) in
            print("complete")
        }


    }

    func position(_ view_:UIView, x:CGFloat?, y:CGFloat?, hidden:Bool ){

        var finalx:CGFloat = view.layer.position.x
        var finaly:CGFloat = view.layer.position.y


        if var _x  = x{
            if(hidden){
                if _x == 0.0{
                    _x = _x - view_.frame.width
                }
            }
            finalx = _x
        }

        if var _y  = y{
            if(hidden){

                if _y == 0.0{
                    _y = _y - view_.frame.height
                }
            }
            finaly = _y

        }

        view_.frame = CGRect(x: finalx, y: finaly, width: view_.frame.width, height: view_.frame.height)

    }

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

    @IBAction func tapLoginBtn(_ sender: Any) {

    }

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}