package tetris;

import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
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.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class JBrainTetris extends JTetris {

    public DefaultBrain db;
    protected JCheckBox brainMode;
    private Brain.Move move;
    private JPanel little;
    private JSlider adversary;
    private JLabel ok;
    private Random rand;
    private int pieces;
    JBrainTetris(int pixels){
        super(pixels);
        db = new DefaultBrain();
    }

    public static void main(String[] args){
        JBrainTetris tetris = new JBrainTetris(16);
        JFrame frame = JBrainTetris.createFrame(tetris);
        frame.setVisible(true);
    }


    @Override
    public void tick(int verb){
        if(brainMode.isSelected()){
            if(pieces < count){
                board.undo();
                move = db.bestMove(board, currentPiece, board.getHeight(), null);
                pieces++;
            }
            aimPiece();
        }
        super.tick(verb);
    }

    //activates when brain starts working
    //makes a piece go to the best place
    private void aimPiece(){
        if(! move.piece.equals(currentPiece))
            super.tick(ROTATE);
        if(currentX > move.x)
            super.tick(LEFT);
        else if(currentX < move.x)
            super.tick(RIGHT);
    }


    @Override
    public Piece pickNextPiece(){
        int r = rand.nextInt(100);
        if(r >= adversary.getValue()){
            ok.setText("ok");
            return super.pickNextPiece();
        }
        else{
            ok.setText("*ok*");
            double score = -1;
            double curr;
            Piece p = null;
            Piece[] arr = Piece.getPieces();
            for(int i=0; i<arr.length; i++){
                curr = db.bestMove(board, arr[i], board.getHeight(), null).score;
                if(curr > score){
                    score = curr;
                    p = arr[i];
                }
            }
            return p;
        }
    }

    @Override
    public void startGame(){
        pieces = 0;
        rand = new Random() ;
        super.startGame();
    }


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

        little = new JPanel();
        little.add(new JLabel("Adversary:"));
        adversary = new JSlider(0, 100, 0);
        adversary.setPreferredSize(new Dimension(100,15));
        little.add(adversary);
        ok = new JLabel("ok");
        little.add(ok);
        panel.add(little);

        return panel;
    }

}