//
//  ViewController.swift
//  Quizzler-iOS13
//
//  Created by Angela Yu on 12/07/2019.
//  Copyright © 2019 The App Brewery. All rights reserved.
//

import UIKit

class ViewController: UIViewController {



    @IBOutlet weak var questionLabel: UILabel!
    @IBOutlet weak var trueButton: UIButton!
    @IBOutlet weak var falseButton: UIButton!
    @IBOutlet weak var progressBar: UIProgressView!

    let quizz = [
        Question(q: "A slug's blood is green.", a: "True"),
        Question(q: "Approximately one quarter of human bones are in the feet.", a: "True"),
        Question(q: "The total surface area of two human lungs is approximately 70 square metres.", a: "True"),
        Question(q: "In West Virginia, USA, if you accidentally hit an animal with your car, you are free to take it home to eat.", a: "True"),
        Question(q: "In London, UK, if you happen to die in the House of Parliament, you are technically entitled to a state funeral, because the building is considered too sacred a place.", a: "False"),
        Question(q: "It is illegal to pee in the Ocean in Portugal.", a: "True"),
        Question(q: "You can lead a cow down stairs but not up stairs.", a: "False"),
        Question(q: "Google was originally called 'Backrub'.", a: "True"),
        Question(q: "Buzz Aldrin's mother's maiden name was 'Moon'.", a: "True"),
        Question(q: "The loudest sound produced by any animal is 188 decibels. That animal is the African Elephant.", a: "False"),
        Question(q: "No piece of square dry paper can be folded in half more than 7 times.", a: "False"),
        Question(q: "Chocolate affects a dog's heart and nervous system; a few ounces are enough to kill a small dog.", a: "True")

    ]
    var questionNumber = 0

    let timer = Timer.scheduledTimer(timeInterval: 1.0, target: self, selector: #selector(fireTimer), userInfo: nil, repeats: true)
   =
    @IBAction func answerButtonPressed(_ sender: UIButton) {
        let userAnswer = sender.currentTitle //true or false
        let actualAnswer = quizz[questionNumber].answer
        if userAnswer == actualAnswer {
            sender.backgroundColor = #colorLiteral(red: 0.3411764801, green: 0.6235294342, blue: 0.1686274558, alpha: 1)

        } else {
            sender.backgroundColor = #colorLiteral(red: 0.8078431487, green: 0.02745098062, blue: 0.3333333433, alpha: 1)

        }

        if  questionNumber < quizz.count - 1 {
            questionNumber += 1
            print(questionNumber)

        } else {
            questionNumber = 0
        }

        Timer.scheduledTimer(timeInterval: 1.0, target: self, selector: #selector(updateUI), userInfo: nil, repeats: true)


    }
    @objc func updateUI() {

        questionLabel.text = quizz[questionNumber].text
        trueButton.backgroundColor = UIColor.clear
        falseButton.backgroundColor = UIColor.clear


    }

    override func viewDidLoad() {
        super.viewDidLoad()
        updateUI()

    }


}