package tetris;

import java.awt.Dimension;
import java.util.Random;

import javax.swing.BoxLayout;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.UIManager;



public class JBrainTetris  extends JTetris{
    private JCheckBox brainMode;
    private Brain brain;
    private JSlider adversary;
    private JPanel little;
    private JLabel status;
    private Brain.Move newPiece;
    private int pieceCount;


    JBrainTetris(int pixels){
        super(pixels);
        brain = new DefaultBrain();
    }

    @Override()
    public void startGame(){
        pieceCount = 0;
        super.startGame();
    }



    private void checkMove(){
        if(newPiece.x < super.currentX)
            super.tick(LEFT);
        else{
            if(newPiece.x > super.currentX)
                super.tick(RIGHT);
        }
    }

    private void checkRotate(){
        if(!(newPiece.piece).equals(currentPiece)) super.tick(ROTATE);
    }

    @Override()
    public void tick(int verb){
        if(brainMode.isSelected()){
            if(pieceCount < super.count){
                pieceCount++;
                super.board.undo();
                newPiece = brain.bestMove(super.board, currentPiece, super.board.getHeight(), newPiece);
            }
            checkMove();
            checkRotate();
        }
        super.tick(DOWN);
    }



    @Override()
    public JComponent createControlPanel() {
        JPanel panel = (JPanel)super.createControlPanel();
        panel.add(new JLabel("Brain:"));
        brainMode = new JCheckBox("Brain active");
        panel.add(brainMode);
        addAdversary(panel);
        status = new JLabel("ok");
        return panel;

    }


    private void addAdversary(JPanel p){
        little = new JPanel();
        little.add(new JLabel("Adversary:"));
        adversary = new JSlider(0, 100, 0);
        adversary.setPreferredSize(new Dimension(100,15));
        little.add(adversary);
        p.add(little);
    }


    private int random(){
        Random r = new Random();
        int ran = r.nextInt(100);
        while(ran == 0)
            ran = r.nextInt(100);
        return ran;
    }

    @Override()
    public Piece pickNextPiece() {
        int rand = random();
        if(rand >= adversary.getValue()){
            status.setText("ok");
            return super.pickNextPiece();
        }
        else
            return worstPiece();
    }


    private Piece worstPiece(){
        Piece doom = null;
        Piece[] pie = Piece.getPieces();
        double rate = 0;
        Brain.Move m = null;
        for(int i = 0; i < pie.length; i++){
            m = brain.bestMove(super.board, pie[i], super.board.getHeight(), m);
            if(m.score > rate) {
                doom = m.piece;
                rate = m.score;
            }
        }
        return doom;
    }




    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception ignored) { }

        JBrainTetris tetris = new JBrainTetris(16);
        JFrame frame = JTetris.createFrame(tetris);
        frame.setVisible(true);
    }

}