package paket;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JSeparator;
import java.awt.Color;
import javax.swing.SwingConstants;
import javax.swing.JTextField;
import java.awt.SystemColor;
import java.awt.Font;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JSpinner;
import javax.swing.JTextPane;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.awt.event.ActionEvent;
import javax.swing.event.ChangeListener;

import java.util.Random;

import javax.swing.event.ChangeEvent;

import java.util.Random;
import javax.swing.SpinnerNumberModel;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;





public class Program {

	//BufferedImage img;

    //////////////////////////////////////

	Random random = new Random();
	boolean boi = true;
	boolean vece = true;
	boolean potvrda = false;
	boolean built = false;
	int x;
	int y;
	int Odabir1;
	int znak;
	int brojZad;
	String znak1;
	String Zadatak;
	String brojZadString;
	String odgovor;
	int Resenje;
	int odgovorInt;
	int tacni;
	//int netacni;
	String tacniString;
	//String netacniString;
	int totalni;

	//////////////////////////////////////
	private JFrame frame;
	private JTextField textField;
	private JTextField textField1;
	private JTextField textField2;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					Program window = new Program();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public Program() {
		initialize();

	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {



	//	System.out.println("a");
		frame = new JFrame();
		frame.setTitle("Рале-1.0.3");
		frame.setResizable(false);
		frame.setBounds(100, 100, 450, 308);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);

		JSeparator separator = new JSeparator();
		separator.setOrientation(SwingConstants.VERTICAL);
		separator.setForeground(new Color(0, 128, 128));
		separator.setBounds(110, 18, 2, 193);
		frame.getContentPane().add(separator);

		textField = new JTextField();
		textField.setHorizontalAlignment(SwingConstants.CENTER);
		textField.setForeground(new Color(0, 128, 128));
		textField.setFont(new Font("Tekton Pro", Font.PLAIN, 40));
		textField.setEditable(false);
		textField.setColumns(10);
		textField.setBackground(SystemColor.menu);
		textField.setBounds(110, 114, 324, 97);
		frame.getContentPane().add(textField);

		textField1 = new JTextField();
		textField1.setHorizontalAlignment(SwingConstants.CENTER);
		textField1.setForeground(new Color(50, 205, 50));
		textField1.setFont(new Font("Tahoma", Font.PLAIN, 19));
		textField1.setEditable(false);
		textField1.setColumns(10);
		textField1.setBackground(SystemColor.menu);
		textField1.setBounds(110, 17, 324, 99);
		frame.getContentPane().add(textField1);

		JButton button1 = new JButton("Почетак");

		JSpinner BiranjeMax = new JSpinner();
		BiranjeMax.setModel(new SpinnerNumberModel(new Integer(0), new Integer(0), null, new Integer(1)));
		BiranjeMax.addChangeListener(new ChangeListener() {
			public void stateChanged(ChangeEvent arg0) {
				Odabir1 = (int) BiranjeMax.getValue();
			//	System.out.println(Odabir1);

			}
		});
		BiranjeMax.setBounds(10, 160, 52, 38);
		frame.getContentPane().add(BiranjeMax);

		JSpinner BiranjeZadataka = new JSpinner();
		BiranjeZadataka.addChangeListener(new ChangeListener() {
			public void stateChanged(ChangeEvent arg0) {
				brojZad = (int) BiranjeZadataka.getValue();
				if(built == false) {
				totalni = (int) BiranjeZadataka.getValue();
				}else {

				}


				//System.out.print(totalni);
			}
		});
		BiranjeZadataka.setModel(new SpinnerNumberModel(new Integer(0), new Integer(0), null, new Integer(1)));
		BiranjeZadataka.setBounds(10, 80, 52, 38);
		frame.getContentPane().add(BiranjeZadataka);

		textField2 = new JTextField();
		textField2.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				potvrda = true;
				button1.setText("Следећи");

				odgovor = (textField2.getText());
				if(znak == 0) {
					Resenje = x + y;
				}else if(znak == 1) {
					Resenje = x - y;
				}else if(znak == 2) {
					Resenje = x/y;
				} else if(znak == 3) {
					Resenje = x*y;
				}else {
					System.out.println("Greska u programu");
				}

			//	odgovor = odgovorInt;
				odgovorInt = Integer.parseInt(odgovor);
			//	System.out.println(odgovor);
			//	System.out.println(odgovorInt);
				if(Resenje == odgovorInt) {
					textField1.setForeground(Color.GREEN);
					textField1.setText("Одговор је тачан!");
					tacni++;
				//	System.out.println(tacni);

				} else {
					textField1.setForeground(Color.RED);
					textField1.setText("Одговор није тачан. " + Resenje);
				//	tacni--;
				//	System.out.println(netacni);

				}
				textField2.setText("");

			}
		});

		textField2.setColumns(10);
		textField2.setBounds(110, 229, 324, 32);
		frame.getContentPane().add(textField2);


		button1.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {

				built = true;

				if(boi = true) {
					textField1.setText("");
				}else {

				}
				if(potvrda == true) {
					potvrda = false;
				//	System.out.println("a");
				}else {
				//	System.out.println("a");
					//tacni--;
				}

		//		label1.setText("");
		//		textField1.setText("");
				if(Odabir1 > 0 || brojZad > 0) {
				//	button1.setHorizontalAlignment(4);
					button1.setText("Не знам");
				if(brojZad == 0) {
				//	textField.setText("");
					BiranjeMax.setEnabled(true);
					BiranjeZadataka.setEnabled(true);
					BiranjeMax.setValue(0);
					BiranjeZadataka.setValue(0);
					tacniString = ("" + tacni);
				//	System.out.println(tacniString);
				//	netacni--;
				//	netacniString = ("" + netacni);
				//	System.out.println(netacniString);
				//	System.out.println(totalni);
					textField1.setForeground(Color.ORANGE);
					textField1.setText("Тачних задатака: " + tacniString + "/" + totalni);
					textField.setText("");
					button1.setText("Почетак");
				//	textField.setText("Нетачних задатака: " + netacniString);
				//	netacni = 0;
					tacni = 0;
					boi = true;
					built = false;
				} else {
				BiranjeMax.setEnabled(false);
				BiranjeZadataka.setEnabled(false);


				while(vece = true) {
				//	System.out.println(Odabir1);
					x = random.nextInt(Odabir1);
				//	System.out.println(x);
					y = random.nextInt(Odabir1);
				//	System.out.println(y);
					//if(x == (int)x) {
					if(x-y >= 0 && x+y <= Odabir1 && x+y!=0 && x-y!=0 && x/y >= 0 && x/y == (int)x && x*y >= 0 && x*y <= Odabir1) {
						System.out.println(x + " " + y);
						break;
					}

				}

				znak = random.nextInt(4);
				System.out.println(znak);
				switch(znak) {
				case 0:
					znak1 = "+";
				break;
				case 1:
					znak1 = "-";
				break;
				case 2:
				znak1 = "*";
				break;
				case 3:
			    znak1 = "/";
				}

				Zadatak = (x + " " + znak1 + " " + y);
				textField.setText(Zadatak);
				brojZad--;
				int brojZad1 = brojZad;

				BiranjeZadataka.setValue(brojZad1);
		//		brojZad--;

				}
				} else {
					textField1.setForeground(Color.RED);
					textField1.setText("Вредности не смеју остати на 0");
				}

               potvrda = false;
			   boi = false;
			}
//			}
		});
		button1.setForeground(new Color(0, 128, 0));
		button1.setBackground(SystemColor.menu);
		button1.setBounds(10, 238, 90, 23);
		frame.getContentPane().add(button1);

		JSeparator separator_1 = new JSeparator();
		separator_1.setForeground(new Color(0, 128, 128));
		separator_1.setBounds(110, 209, 324, 2);
		frame.getContentPane().add(separator_1);

		JSeparator separator_2 = new JSeparator();
		separator_2.setForeground(new Color(0, 128, 128));
		separator_2.setBounds(110, 114, 324, 2);
		frame.getContentPane().add(separator_2);

		JButton button = new JButton("Рестарт");
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				button1.setText("Почетак");
				textField2.setText("");
				x = 0;
				y = 0;
				brojZad = 0;
				textField.setText("");
				textField1.setText("");
		//		label1.setText("");

				BiranjeZadataka.setValue(0);
				BiranjeZadataka.setEnabled(true);
				BiranjeMax.setValue(0);
				BiranjeMax.setEnabled(true);


			}
		});
		button.setForeground(new Color(128, 0, 128));
		button.setBackground(SystemColor.menu);
		button.setBounds(10, 209, 90, 23);
		frame.getContentPane().add(button);

		JLabel label = new JLabel("Програмирао Лука Петковић 2017. године");
		label.setForeground(new Color(0, 0, 0));
		label.setHorizontalAlignment(SwingConstants.CENTER);
		label.setBounds(110, 0, 324, 18);
		frame.getContentPane().add(label);

		JLabel label_1 = new JLabel("Број задатака");
		label_1.setHorizontalAlignment(SwingConstants.LEFT);
		label_1.setBounds(8, 55, 102, 24);
		frame.getContentPane().add(label_1);

		JLabel label_2 = new JLabel("Максималан");
		label_2.setHorizontalAlignment(SwingConstants.LEFT);
		label_2.setBounds(8, 128, 100, 14);
		frame.getContentPane().add(label_2);

		JLabel label_3 = new JLabel("резултат");
		label_3.setBounds(8, 141, 103, 14);
		frame.getContentPane().add(label_3);


		/*try {
			img = ImageIO.read(Matematika.class.getResource("/Slike/bg.png"));
		} catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		*/

	}
}