//
//  ViewController.swift
//  Dog Breeds 2
//
//  Created by lrosier on 11/5/18.
//  Copyright © 2018 lrosier. All rights reserved.
//

import UIKit
import AVFoundation

class ViewController: UIViewController {

    // FINISH ME
    // create a variable called dogPosition and assign
    //    it a value of zero
    ????
    
    
    // FINISH ME
    // create a variable called dogNames and assign
    //    it a value of ["Beagle", "Bulldog", "Golden Retriever"]
    // this is a list of values (or an array)
    ??? ?????? = ["Beagle", "Bulldog", "Golden Retriever"]


    // FINISH ME
    // create a variable called dogMessages and assign
    //    it a value of ["I am a Beagle", "I am a Bulldog", "I am a Golden Retriever"]
    // this is a list of values (or an array)
    ??? ?????? = ???????


    // FINISH ME
    // create a variable called dogPictures and assign
    //    it a value of ["Beagle.png","Bulldog.png", "GoldenRetriever.png"]
    // this is a list of all of the dog filenames for the images
    ??? ?????? = ["Beagle.png","Bulldog.png", "GoldenRetriever.png"]
    
    
    // FINISH ME
    // create a variable called dogInfo
    // this is a list of all the text data for each dog (for the TextView)
    ??? ????? = ["The beagle is a very common family dog.","The bulldog is a very friendly family dog.","The Golden Retriever is a very friendly dog."]
 
    
    // FINISH ME
    // create a variable called timer
    ??? ????? =  Timer()
    
    let synth = AVSpeechSynthesizer()
        
    // FINISH ME
    // Connect your dog label to this variable
    @IBOutlet weak var dogLabel: UILabel!
    
    
    // FINISH ME
    // Connect your dog ImageView to this variable
    @IBOutlet weak var dogPictureImageView: UIImageView!
    
    
    // FINISH ME
    // Connect your dog TextView to this variable
    @IBOutlet weak var dogInfoTextView: UITextView!
 
    
    // FINISH ME
    // Connect your slider to this variable
    // The slider determines how fast the timer runs
    @IBOutlet weak var slider: UISlider!
    
    
    // this function gets called each time that you move the slider
    // sender is a reference to the slider
    @IBAction func sliderValueChangedEvent(_ sender: UISlider)
    {
    
        timer.invalidate()
        
        // not really necessary, but it's good to know about the value property
        slider.value = sender.value

        // FINISH ME
        // convert slider.value to a Double object
        let seconds =  ??????(slider.value)
        
        timer = Timer.scheduledTimer(timeInterval: seconds, target: self, selector: #selector(timerAction), userInfo: nil, repeats: true)
    }


    func speak(_ message:String)
    {
        let speech = AVSpeechUtterance(string: message)
        synth.speak(speech)
    }
    
    
    func updateDogPage()
    {
        // FINISH ME
        // set the dogLabel's text to dogNames[dogPosition]
        // this will set the label at the top of the view to 
        //    the type of dog
        dogLabel.???? = ????[?????]
        
        
        // here we get a reference to the image of the dog
        let dogImage = UIImage(named:dogPictures[dogPosition])
        

        // FINISH ME
        // set dogText to dogNames[dogPosition]
        let dogText = ??????
        
        
        
        // FINISH ME
        // set the image field to dogImage
        dogPictureImageView.image = ?????
        
        
        // FINISH ME
        // set the dogInfoTextView text field to dogText
        dogInfoTextView.??? = ??????

		speak(dogMessages[dogPosition])
    }
    
    
    func nextPage()
    {
        // FINISH ME
        // add 1 to variable dogPosition
        dogPosition = 
        
        
        if dogPosition >= dogPictures.count
        {
            // FINISH ME
            // set your variable dogPosition to zero
            ??????
        }
        
        
        // FINISH ME
        // call the updateDogPage() method (function)
        ??????
    }
    
    
    func nextPageWithStop()
    {
        // FINISH ME
        // add 1 to variable dogPosition
        dogPosition = ????
        
        
        if dogPosition >= dogPictures.count
        {
            // FINISH ME
            // set dogPosition to 1 less than your dogNames.count
            // dogNames.count is the number of dogs in the list
            ????? = ?????
        }

        
        // FINISH ME
        // call the updateDogPage() method (function)
        ???????
    }

    
    func lastPage()
    {
        // FINISH ME
        // set dogPosition to the number of dogPictures - 1
        dogPosition = dogPictures.???? - 1


        // FINISH ME
        // call the updateDogPage() method (function)
        ?????
    }
    

    @IBAction func firstButtonEvent(_ sender: UIButton)
    {
    	// FINISH ME
    	// set dogPosition to zero
        ??????
        
        
        // FINISH ME
        // call the updateDogPage() method (function)
        ??????
    }
    
    
    @IBAction func prevButtonEvent(_ sender: UIButton)
    {
    	// FINISH ME
    	// subtract 1 from your dogPosition
        dogPosition = ???? - 1
        
        
        // FINISH ME
        // see if dogPosition is less than zero
        if ???? < ?
        {
            // FINISH ME
            // set dogPosition to zero
            ?????
        }
        
        
        // FINISH ME
        // call the updateDogPage() method (function)
        ??????
    }
    
    
    @IBAction func nextButtonEvent(_ sender: UIButton)
    {
        nextPageWithStop()
    }
    
    @IBAction func lastButtonEvent(_ sender: UIButton)
    {
        
        // FINISH ME
        // set dogPosition to the number of dogPictures - 1
        dogPosition = dogPictures.????? - 1

        // FINISH ME
        // call the updateDogPage() method (function)
        ???????
    }
 
    
    @IBAction func startSlideShowEvent(_ sender: UIButton)
    {
        // FINISH ME
        // convert slider.value to a Double object
        let seconds =  Double(slider.value)
        
        timer = Timer.scheduledTimer(timeInterval: seconds, target: self, selector: #selector(timerAction), userInfo: nil, repeats: true)

    }
    
    
    @IBAction func stopSlideShowEvent(_ sender: UIButton)
    {
        // we turn the timer off
        timer.invalidate()
        
    }
    
    
    // this function gets called every so many seconds 
    @objc func timerAction()
    {
    	// FINISH ME
    	// call the method (or function)  nextPage()
        ?????
    }
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        
        
        updateDogPage()
        
        // every 4 seconds for timer event
        slider.minimumValue = 1  // sets the lowest value for the slider
        slider.maximumValue = 10 // sets the highest value for the slider
        slider.value = 4  // sets the current value for the slider
    }

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


}