//
//  ViewController.swift
//  Tip-it
//
//  Created by Mark Yankovsky on 8/29/17.
//  Copyright © 2017 Mark_Yankovsky. All rights reserved.
//

import UIKit
import SpriteKit

var screen: CGRect = UIScreen.main.bounds
var side: CGFloat = min((screen.height - 20.0) / 10, screen.width / 5)
var score: Int = 0
var counter: Int = 0
var choice = [Int]()
var generated = [Int]()

class Cell: UIButton {
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        self.layer.cornerRadius = 5
        self.backgroundColor = UIColor.white
        
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}

class ViewController: UIViewController {
    var scoreLabel: UILabel = UILabel()
    var matrix = Array(repeating: Cell(), count: 9)
    var promoButton = UIButton()
    var restartButton = UIButton()
    var infoButton = UIButton()
    var startButton = UIButton()
    var infoView = UITextView()
    
    func changeScore(_ delta: Int) {
        score += delta
        scoreLabel.text = "Score: " + String(score)
    }
    
    func getRules() {
        for v in self.view.subviews { v.removeFromSuperview() }

        infoView = UITextView(frame: CGRect(x: side * 0.5, y: side * 1.5, width: screen.width - side, height: screen.height - side * 3))
        infoView.font = UIFont(name: "Helvetica Bold", size: side / 2.5)
        infoView.textColor = UIColor.white
        infoView.backgroundColor = UIColor.clear
        infoView.textAlignment = .center
        infoView.text =
        "Загаданы 3 квадратика из 9 - попытайся отгадать, какие именно, выбрав их. Чем больше квадратиков отгадаешь, тем больше очков получишь."
        self.view.addSubview(infoView)
        
        startButton = infoButton
        startButton.frame.origin.y = screen.height - side * 3
        startButton.setTitle("Начать", for: .normal)
        startButton.addTarget(self, action: #selector(ViewController.viewDidLoad), for: .touchDown)
        self.view.addSubview(startButton)
    }
    
    func restart() {
        choice.removeAll()
        generated.removeAll()
        while generated.count < 3 {
            let rn = Int(arc4random_uniform(9))
            if !generated.contains(rn) {
                generated.append(rn)
            }
        }
        for cell in matrix {
            cell.backgroundColor = UIColor.white
            cell.isEnabled = true
        }
    }
    
    func showMatrix() {
        for cell in matrix { cell.isEnabled = false }
        var curr_score = 1
        for cell in matrix {
            if (generated.contains(cell.tag)) { cell.backgroundColor = UIColor.black }
            if (choice.contains(cell.tag)) { cell.backgroundColor = UIColor.red }
            if (choice.contains(cell.tag) && generated.contains(cell.tag)) {
                cell.backgroundColor = UIColor.green
                curr_score *= 10
                changeScore(curr_score)
            }
        }
    }
    
    func chooseButton(sender: UIButton) {
        if !choice.contains(sender.tag) {
            if (choice.count < 2) {
                choice.append(sender.tag)
                sender.backgroundColor = UIColor.gray
            } else {
                choice.append(sender.tag)
                showMatrix()
            }
        }
    }
    
    func design(_ button: inout UIButton) {
        button.titleLabel?.font = UIFont(name: "Helvetica Bold", size: side / 3)
        button.setTitleColor(UIColor.white, for: .normal)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        startButton.removeFromSuperview()
        infoView.removeFromSuperview()
        
        let statusBar: UIView = UIApplication.shared.value(forKey: "statusBar") as! UIView
        if statusBar.responds(to: #selector(setter: UIView.backgroundColor)) {
            statusBar.backgroundColor = UIColor.white
        }
        self.view.backgroundColor = UIColor.blue
        
        scoreLabel = UILabel(frame: CGRect(x: side / 2, y: 20 + side / 4, width: screen.width - side, height: side))
        changeScore(0)
        scoreLabel.font = UIFont(name: "Chalkduster", size: side * 0.5)
        scoreLabel.textAlignment = .center
        scoreLabel.textColor = UIColor.white
        self.view.addSubview(scoreLabel)
        
        for xi in 0...2 { for yi in 0...2 {
            let num = xi * 3 + yi
            matrix[num] = Cell(frame: CGRect(
                x: side + CGFloat(xi) * side * 1.5,
                y: 20 + 2.5 * side + CGFloat(yi) * side * 1.5,
                width: side, height: side
            ))
            matrix[num].tag = num
            matrix[num].addTarget(self, action: #selector(ViewController.chooseButton(sender:)), for: .touchDown)
            view.addSubview(matrix[num])
            }}
        
        promoButton = Cell(frame: CGRect(x: side, y: screen.height - side * 1.5, width: side * 4, height: side))
        promoButton.backgroundColor = UIColor.red
        promoButton.setTitle("Как сделать самому?", for: .normal)
        design(&promoButton)
        promoButton.addTarget(self, action: #selector(ViewController.openPromo), for: .touchDown)
        self.view.addSubview(promoButton)
        
        restartButton = Cell(frame: CGRect(x: side, y: screen.height - side * 3, width: side * 4, height: side))
        restartButton.backgroundColor = UIColor.blue
        restartButton.setTitle("Еще раз", for: .normal)
        design(&restartButton)
        restartButton.layer.borderColor = UIColor.white.cgColor
        restartButton.layer.borderWidth = 2
        restartButton.addTarget(self, action: #selector(ViewController.restart), for: .touchDown)
        self.view.addSubview(restartButton)
        
        infoButton = UIButton(frame: CGRect(x: side * 1.5, y: side * 1.625, width: screen.width - side * 3, height: side * 0.75))
        design(&infoButton)
        infoButton.layer.cornerRadius = side * 0.375
        infoButton.backgroundColor = UIColor.red
        infoButton.setTitle("Как играть?", for: .normal)
        infoButton.addTarget(self, action: #selector(ViewController.getRules), for: .touchDown)
        self.view.addSubview(infoButton)
        
        restart()
    }
    
    func openPromo() {
        if let url = NSURL(string: "https://vk.cc/72UzQR") {
            UIApplication.shared.openURL(url as URL)
        }
    }
}