//
//  SecondGameLearnViewController.swift
//  Guibe
//
//  Created by Max Hunt on 11/06/2019.
//  Copyright © 2019 8. All rights reserved.
//

import UIKit

class SecondGameLearnViewController: UIViewController {
    @IBOutlet weak var textLabel: UILabel!
    @IBOutlet weak var mainButton: UIButton!
    @IBOutlet weak var nextBtn: UIButton!
    @IBOutlet weak var progressBar: UIProgressView!
    
    @IBAction func mainBtnPressed(_ sender: Any) {
        
    }
    
    @IBAction func nextBtnPressed(_ sender: Any) {
        stepCounter += 1
        stepThrough(ptr: stepCounter)
    }
    
    var stepCounter: Int = 0
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        textLabel.text = "Now we will .......\n........."
        // Do any additional setup after loading the view.
    }
    

    func stepThrough(ptr:Int) {
        switch ptr {
        case 1:
            beginJourney()
        case 2:
            arrivedAtDestination()
        case 3:
            wrongDirection()
        case 4:
            turnRight()
        case 5:
            turnLeft()
        case 6:
            showDone()
        case 7:
            nextPage()
        default:
            return
        }
    }
    
    func beginJourney() {
        self.textLabel.fadeTransition(0.5)
        self.textLabel.text = "This means \n'begin journey'"
        self.mainButton.setTitle("Try me", for: .normal)
        self.progressBar.setProgress(0.2, animated: true)
        self.textLabel.accessibilityLabel = "This means begin journey"
        self.mainButton.accessibilityLabel = "Try me"
    }
    
    func arrivedAtDestination() {
        self.textLabel.fadeTransition(0.5)
        self.textLabel.text = "This means \n'arrived at destination'"
        self.mainButton.setTitle("Try me", for: .normal)
        self.progressBar.setProgress(0.4, animated: true)
        self.textLabel.accessibilityLabel = "This means arrived at destination"
        self.mainButton.accessibilityLabel = "Try me"
    }
    
    func wrongDirection() {
        self.textLabel.fadeTransition(0.5)
        self.textLabel.text = "This means \n'you're walking in the wrong direction'"
        self.mainButton.setTitle("Try me", for: .normal)
        self.progressBar.setProgress(0.6, animated: true)
        self.textLabel.accessibilityLabel = "This means you're walking in the wrong direction"
        self.mainButton.accessibilityLabel = "Try me"
    }
    
    func turnRight() {
        self.textLabel.fadeTransition(0.5)
        self.textLabel.text = "This means \n'turn right'"
        self.mainButton.setTitle("Try me", for: .normal)
        self.progressBar.setProgress(0.8, animated: true)
        self.textLabel.accessibilityLabel = "This means turn right"
        self.mainButton.accessibilityLabel = "Try me"
    }
    
    func turnLeft() {
        self.textLabel.fadeTransition(0.5)
        self.textLabel.text = "This means \n'begin journey'"
        self.mainButton.setTitle("Try me", for: .normal)
        self.progressBar.setProgress(1.0, animated: true)
        self.textLabel.accessibilityLabel = "This means turn left"
        self.mainButton.accessibilityLabel = "Try me"
    }
    
    func showDone() {
        self.textLabel.fadeTransition(0.5)
        self.textLabel.text = "You are finished"
        self.mainButton.alpha = 0.0
        self.progressBar.alpha = 0.0
        self.textLabel.accessibilityLabel = "You are finished"
        self.mainButton.accessibilityLabel = "Try me"
    }
    
    func nextPage() {
        self.dismiss(animated: true, completion: nil)
    }
    
}

//extension UIView {
//
//    func fadeTransition(_ duration:CFTimeInterval) {
//        let animation = CATransition()
//        animation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut)
//        animation.type = CATransitionType.fade
//        animation.duration = duration
//        layer.add(animation, forKey: CATransitionType.fade.rawValue)
//    }
//}