import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Interface extends JFrame implements MouseListener, MouseMotionListener{
    private Grille g;
    private JButton [][] cases;
    private boolean [][] isActive;
    private int x,y,nbBombes, nbCasesActives,nbDrapeaux;
    
    public Interface(){
        super("Démineur");
       
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
        
        int x = 10;
        int y = 10;
        int nbBombes = (x*y)/4;
        int nbDrapeaux = 0;
               
        init(x, y, nbBombes);
        this.setResizable(false); 
        this.setVisible(true);
        pack();
    }
    
    public void init(int x,int y,int nbBombes){

        JPanel fond = new JPanel();
        JPanel grille = new JPanel();
        JPanel table = new JPanel();
        
        g = new Grille(x,y,nbBombes);  
        JLabel timer = new JLabel("0");
        JLabel nbRestante= new JLabel(""+(nbBombes-nbDrapeaux));
        timer.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        nbRestante.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        
        grille.setLayout(new GridLayout(y,x));
        fond.setLayout(new BorderLayout());
        table.setLayout(new GridLayout(1,3));

        JMenuBar menu = new JMenuBar();
        JMenu options = new JMenu("Options");
        JCheckBoxMenuItem facile = new  JCheckBoxMenuItem("Facile",true);
        JCheckBoxMenuItem normale = new  JCheckBoxMenuItem("Normale",false);
        JCheckBoxMenuItem difficile = new  JCheckBoxMenuItem("Difficile",false);
        JCheckBoxMenuItem perso = new  JCheckBoxMenuItem("Personnalisé",false);
        options.add(facile); 
        options.add(normale); 
        options.add(difficile);
        options.add(perso);
        menu.add(options); 
        table.add(menu);
        table.add(timer);
        table.add(nbRestante);
        fond.add(table, BorderLayout.NORTH);
        fond.add(grille, BorderLayout.SOUTH);
        
        ButtonGroup bg = new ButtonGroup();
        bg.add(facile);
        bg.add(normale);
        bg.add(difficile);
        bg.add(perso);
        
        facile.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent e){
                int x = 10;
                int y = 10;
                int nbBombes = (x*y)/6;
                init(x, y, nbBombes);
                pack();
            }
        });
        
        normale.addActionListener(new ActionListener()  
        {
                public void actionPerformed(ActionEvent e){
                    int x = 15;
                    int y = 15;
                    int nbBombes = (x*y)/5;
                    init(x, y, nbBombes);
                    pack();
                }
        });
        
        difficile.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent e){
                int x = 20;
                int y = 20;
                int nbBombes= (x*y)/4;
                init(x, y, nbBombes);
                pack();
            }
        });
        
         perso.addActionListener(new ActionListener()  
        {
                public void actionPerformed(ActionEvent e){
                    int x = Integer.parseInt(JOptionPane.showInputDialog(null,"entre une valeur de X "));
                    int y = Integer.parseInt(JOptionPane.showInputDialog(null,"entre une valeur de Y "));
                    int nbBombes = Integer.parseInt(JOptionPane.showInputDialog(null,"entre le nombre de bombe souhaité"));
                    init(x, y, nbBombes);
                    pack();
                }
        });
        
        setVisible(true);
        nbCasesActives = x*y;
        isActive = new boolean [x][y];
        for(int i = 0; i < isActive.length; i++){
            for(int j = 0; j<isActive[0].length; j++){
                isActive[i][j] = true;
            }
        }
        cases = new JButton[x][y];
        
        for(int j=0;j<y;j++) {
            for(int i=0;i<x;i++){
                cases[i][j] = new JButton("   ");
                grille.add(cases[i][j]);
                cases[i][j].addMouseListener(this); 
                cases[i][j].addMouseMotionListener(this);
            }
        }
        this.setContentPane(fond);
    }

    public int getY(JButton jb){
        for(int i = 0; i<this.cases.length ; i++){
            for(int j = 0; j<this.cases[i].length ; j++){
                if(jb.equals(cases[i][j])){
                    return j;
                }
            }
        }
        return -1;
    }
    
    public int getX(JButton jb){
        for(int i = 0; i<this.cases.length ; i++){
            for(int j = 0; j<this.cases[i].length ; j++){
                if(jb.equals(cases[i][j])){
                    return i;
                }
            }
        }
        return -1;
    }
    
    public boolean isEnabled(int x, int y){
        if(x<0 || x>=cases.length){
            return false;
        }
        else if(y<0 || y>=cases[0].length){
            return false;
        }
        else{
             return isActive[x][y]; 
        }
    }
    
    public void discover(JButton jb){
        if(g.getValeur(this.getX(jb),this.getY(jb)) == -1){
            jb.setText("B");
            if(((x*y)-nbCasesActives)==1){
                JOptionPane.showMessageDialog(null,"Victime");
            }
            else{
                JOptionPane.showMessageDialog(null,"Perdu ! Vous avez cliqué sur une bombe !");
            }
            dispose();
            new Interface();
        }
        else if(g.getValeur(this.getX(jb),this.getY(jb)) != 0){
            jb.setText(""+g.getValeur(this.getX(jb),this.getY(jb)));
            jb.setEnabled(false);
            isActive[getX(jb)][getY(jb)] = false;
            nbCasesActives--;
        }
        else{
            for(int i=getX(jb)-1;i<=getX(jb)+1;i++){
                for(int j=getY(jb)-1;j<=getY(jb)+1;j++){
                    if(this.isEnabled(i,j)){
                        if(this.g.getValeur(i,j) ==0){
                            this.cases[i][j].setText("");
                            this.cases[i][j].setEnabled(false); 
                            isActive[i][j] = false;
                            this.discover(this.cases[i][j]);
                            nbCasesActives--;
                        }
                        else{
                            this.cases[i][j].setText(""+g.getValeur(i,j));
                            this.cases[i][j].setEnabled(false);
                            isActive[i][j] = false;
                            nbCasesActives--;
                        }
                    }
                }
            }
        }
    }
    
    public void mouseClicked(MouseEvent me){
        JButton jb = (JButton) me.getSource();
        int b = me.getButton();
        
        if(b==MouseEvent.BUTTON1){
           this.discover(jb);
        }
        else if(b==MouseEvent.BUTTON2){
            System.out.println("Bouton Central");
        }
        else{
            if(nbDrapeaux != nbCasesActives){
                if(jb.getText().equals("   ")){
                    jb.setText("D");
                    nbDrapeaux++;
                }
                else{
                        jb.setText("   ");
                        nbDrapeaux--;
                }
            }
            else{
                JOptionPane.showMessageDialog(null,"Bravo, vous avez trouvé toutes les bombes et gagné la partie !");
            }
        }
    }
    
    public void mouseEntered(MouseEvent me){}
    public void mouseExited(MouseEvent me){}
    public void mousePressed(MouseEvent me){}
    public void mouseReleased(MouseEvent me){}
    public void mouseMoved(MouseEvent me){}
    public void mouseDragged(MouseEvent me){}
}