import com.sun.corba.se.spi.monitoring.LongMonitoredAttributeBase;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;


public class Keno implements ActionListener {

    JFrame window;
    JPanel jp;
    ArrayList<JButton> buttons;
    private int count = 0;
    ArrayList<JButton> selectedButtons;
    JButton play;
    int match = 0;
    int pay = 0;

    public void creatWindow(){

        window = new JFrame();
        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        window.setTitle("KENO");
        JPanel panel = new JPanel();
        jp = new JPanel( );
        buttons = new ArrayList<>();
        selectedButtons = new ArrayList<>();
        Dimension btnSize = new Dimension(100, 50);
        GridLayout jp_layout = new GridLayout(11,8);
        jp.setLayout(jp_layout);

        GridLayout label_layout = new GridLayout(2,3,10,10);
        JPanel label_panel = new JPanel();
        label_panel.setLayout(label_layout);
        JTextField bet = new JTextField();
        play = new JButton("Play");
        play.setEnabled(false);
        JButton reset = new JButton("Reset/Clear");



        /*we use a loop to create all the 84 buttons
        * each loop create a button, we set a text to the button
        * we then add the button to the arrayList*/
        for(int x = 1; x <= 80; x++){
            //create a button
            JButton btn = new JButton();
            //set text to the button
            btn.setText(""+x);
            //we set width and hight of the button
            btn.setBackground(Color.YELLOW);
            //SET button size
            btn.setSize(btnSize);

            //Register action listener
            btn.addActionListener(this);
            //add button to array
            buttons.add(btn);

            //add button to jpanel
            jp.add(btn);

        }

        /*Add Lable panel at the last row*/
        panel.add(jp);
        /*First row of JPanel*/
        JLabel bet_text = new JLabel("BET:");
        bet_text.setSize(120,120);
        label_panel.add(bet_text);
        label_panel.add(bet);
        JLabel bet_pay = new JLabel("___PAY__");
        label_panel.add(bet_pay);

        /*Second row of JPanel*/
        label_panel.add(play);
        label_panel.add(reset);
        JLabel bet_result = new JLabel("___RESULT__");
        label_panel.add(bet_result);
        panel.add(label_panel);

        /*Add actionListener to play button*/
        play.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {

                String user_bet = bet.getText().toString();

                if(!user_bet.isEmpty()){

                    try{

                        int bet_value = Integer.parseInt(user_bet);

                        if(bet_value >= 1 && bet_value <= 100){


                            int numbers[] = generateNumbers();

                            //change the background colours of those buttons selected by
                            //computer
                            for(int x = 0; x < numbers.length; x++){

                                changeCompSelected(numbers[x]);

                            }

                            //check if user selected buttons match generated numbers
                            for(int x = 0; x < selectedButtons.size(); x++){


                                checkMatch(selectedButtons.get(x),numbers);


                            }

                            play.setEnabled(false);
                            bet_result.setText("You Matched "+match+" Numbers ");


                            if(match == 0){

                                pay = bet_value * 5;

                            }else if(match > 0 && match < 5){

                                pay = bet_value * 0;

                            }else if(match  == 5){

                                pay = bet_value * 2;

                            }else if(match  == 6){

                                pay = bet_value * 5;

                            }else if(match  == 7){

                                pay = bet_value * 10;

                            }else if(match  == 8){

                                pay = bet_value * 12;

                            }else if(match  == 9){

                                pay = bet_value * 15;

                            }else if(match  == 6){

                                pay = bet_value * 10;

                            }


                            bet_pay.setText("PAY $"+pay);

                        }else{

                            JOptionPane.showMessageDialog(window,"Bet Value Should Be Between 1 and 100");

                        }



                    }catch(Exception exc){

                        JOptionPane.showMessageDialog(window,"Invalid Bet Value");

                    }

                }else{

                    JOptionPane.showMessageDialog(window,"Please Place Ypur Bet Before Playing");

                }

            }
        });

        reset.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {

                ResetAll();
                count =0;
                match = 0;
                selectedButtons = new ArrayList<>();
                pay = 0;
                bet_pay.setText("__PAY__");
                bet_result.setText("__RESULT__");
            }
        });


        //add panel to frame
        window.setSize(500,500);
        window.add(panel);
        window.setVisible(true);


    }


    /**
     * Main method
     * @param args
     */
    public static void main(String[] args){

        Keno ken = new Keno();
        ken.creatWindow();
    }

    /**
     * Actio for buttons
     * @param e
     */
    @Override
    public void actionPerformed(ActionEvent e) {

        JButton btn = (JButton)e.getSource();
        btn.setBackground(Color.blue);
        if(checkAndRemoveButton(btn)){

            selectedButtons.add(btn);
            count++;
        }

        if(count == 10){

            disableAll();
            play.setEnabled(true);

        }else {

            EnableAll();
        }


    }

    public boolean checkAndRemoveButton(JButton btn){

        for(int x  =0; x < selectedButtons.size(); x++){

            if(selectedButtons.get(x).getText().equalsIgnoreCase(btn.getText())){

                selectedButtons.get(x).setBackground(Color.YELLOW);
                selectedButtons.remove(x);
                count--;
                return false;
            }
        }

        return true;
    }

    public boolean checkButton(JButton btn){

        for(int x  =0; x < selectedButtons.size(); x++){

            if(selectedButtons.get(x).getText().equalsIgnoreCase(btn.getText())){

                return true;
            }
        }
        return false;
    }

    public void disableAll(){

        for(int x = 0; x < buttons.size(); x++){

            if(!checkButton(buttons.get(x))){

                buttons.get(x).setEnabled(false);
            }

        }
        play.setEnabled(false);
    }

    public void EnableAll(){

        play.setEnabled(false);
        for(int x = 0; x < buttons.size(); x++){

            buttons.get(x).setEnabled(true);

        }

    }

    public void ResetAll(){

        play.setEnabled(false);

        for(int x = 0; x < buttons.size(); x++){

            buttons.get(x).setEnabled(true);
            buttons.get(x).setBackground(Color.YELLOW);

        }

    }

    public int[] generateNumbers(){

        int numbers[] = new int[10];
        for(int x = 0; x < 10 ; x++){

            int rand = (int)(Math.random() *((80 - 1) + 1)) + 1;

            System.out.println(" ->> "+rand);

            numbers[x] = rand;
        }



        return  numbers;
    }


    public void checkMatch(JButton button,int numbers[]){


        for(int x = 0; x < numbers.length; x++){

            int btnValue = Integer.parseInt(button.getText());

            if(numbers[x] ==  btnValue){

                System.out.println("Found...."+btnValue);
                match++;
                button.setBackground(Color.GREEN);
                return;

            }

        }

        button.setBackground(Color.RED);

    }

    public void changeCompSelected(int number){

        for(int x =0; x < buttons.size(); x++){
            int btnValue = Integer.parseInt(buttons.get(x).getText());
            if(number == btnValue){

                buttons.get(x).setBackground(Color.WHITE);
            }

        }

    }


}