//
//  ViewController.swift
//  Quizzler
//
//  Created by Angela Yu on 25/08/2015.
//  Copyright (c) 2015 London App Brewery. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

    //Place your instance variables here
    let allQuestions = QuestionBank()
    var pickedAnswer : Bool = false
    var questionNumber : Int = 0

    @IBOutlet weak var questionLabel: UILabel!
    @IBOutlet weak var scoreLabel: UILabel!
    @IBOutlet var progressBar: UIView!
    @IBOutlet weak var progressLabel: UILabel!

    override func viewDidLoad() {
        super.viewDidLoad()

        let firstQuestion = allQuestions.list[0]
        questionLabel.text = firstQuestion.questionText

    }


    @IBAction func answerPressed(_ sender: AnyObject) {

        if sender.tag == 1{
          pickedAnswer = true;
        }
        else if sender.tag == 2 {
            pickedAnswer = false;
        }
        checkAnswer()

        questionNumber = questionNumber + 1

        nextQuestion()

    }


    func updateUI() {

    }


    func nextQuestion() {

        if questionNumber <= 12 {
        questionLabel.text = allQuestions.list[questionNumber].questionText
        } else {

            let alert = UIAlertController(title: "End of Quiz!", message: "Would you like to restart?", preferredStyle: .alert)

            let restartAction = UIAlertAction(title: "Restart", style: .default, handler: { (action: UIAlertAction) in
                    self.startOver()
            })

            alert.addAction(restartAction)
            present(alert, animated: true, completion: nil)
        }

    }


    func checkAnswer() {

        let correctAnswer = allQuestions.list[questionNumber].answer

        if correctAnswer == pickedAnswer {
            print("You got it!")
        } else {
            print("Wrong answer cuz :/")
        }
    }


    func startOver() {
        questionNumber = 0
        nextQuestion()

    }



}