import javax.swing.*;
import java.awt.*;
import java.util.Random;

public class DrawningCatamaran {
    JPanel CatamaranPanel;
    private EntityCatamaran EntityCatamaran;
    private DrawningOars drawningOars;
    private int _pictureWidth;
    private int _pictureHeight;
    private int _startPosX = 0; 
    private int _startPosY = 0;
    private int _catamaranWidth = 120;
    private int _catamaranHeight = 120;

    public EntityCatamaran EntityCatamaran(){
        return EntityCatamaran;
    }

    public boolean Init(int speed, double weight, Color bodyColor, Color oarColor, int width, int height, boolean boduKit, boolean seats, JPanel catamaranPanel){
        if(width <= _catamaranWidth || height <= _catamaranHeight)
            return false;
        Random rand = new Random();
        catamaranPanel.setSize(width, height);
        CatamaranPanel = catamaranPanel;
        catamaranPanel.paint(CatamaranPanel.getGraphics());
        _pictureWidth = width;
        _pictureHeight = height;
        EntityCatamaran = new EntityCatamaran();
        EntityCatamaran.Init(speed, weight, bodyColor, oarColor, boduKit, seats);
        SetPosition(rand.nextInt(50), rand.nextInt(50));
        drawningOars =new DrawningOars();
        drawningOars.Init(_startPosX, _startPosY, oarColor, catamaranPanel);
        drawningOars.ChangeOarsNumb(rand.nextInt(3));
        return true;
    }

    public void SetPosition(int x, int y){
        if(EntityCatamaran == null)
            return;
        _startPosX = x;
        _startPosY = y;
        
        if(x + _catamaranWidth >= _pictureWidth || y + _catamaranHeight >= _pictureHeight){
            _startPosX = 0;
            _startPosY = 0;
        }
    }
    public void MoveTransport(DirectionType direction){
        if (EntityCatamaran == null)
            return;
        CatamaranPanel.paint(CatamaranPanel.getGraphics());
        switch (direction)
        {
            case Left:
                if (_startPosX - EntityCatamaran.Step() >= 0)
                    _startPosX -= (int)EntityCatamaran.Step();
                else
                    _startPosX = 0;
                break;
            case Up:
                if (_startPosY - EntityCatamaran.Step() >= 0)
                    _startPosY -= (int)EntityCatamaran.Step();
                else
                    _startPosY = 0;
                break;
            case Right:
                if (_startPosX + _catamaranWidth + EntityCatamaran.Step() < _pictureWidth)
                    _startPosX += (int)EntityCatamaran.Step();
                else
                    _startPosX = _pictureWidth - _catamaranWidth - 20;
                break;
            case Down:
                if (_startPosY + _catamaranHeight + EntityCatamaran.Step() < _pictureHeight)
                    _startPosY += (int)EntityCatamaran.Step();
                else
                    _startPosY = _pictureHeight - _catamaranHeight;
                break;
        }
        drawningOars.OarPosX = _startPosX;
        drawningOars.OarPosY = _startPosY;
    }
    public void DrawnCatamaran(){
        Graphics2D g2d = (Graphics2D)CatamaranPanel.getGraphics();
        if (EntityCatamaran == null) return;

        g2d.setColor(EntityCatamaran.BodyColor());
        // korpus
        g2d.fillRect(_startPosX+10, _startPosY+10, _catamaranWidth - 50, 60);
        // nos
        int[] x_triag = {_startPosX + _catamaranWidth - 40,_startPosX + _catamaranWidth,_startPosX + _catamaranWidth - 40};
        int[] y_triag = { _startPosY+10, _startPosY + 40,_startPosY + 70};
        g2d.fillPolygon(x_triag,y_triag,3);
        // poplav
        g2d.setColor(Color.DARK_GRAY);
        int[] poplav1_x = {_startPosX + _catamaranWidth -20,_startPosX + _catamaranWidth,_startPosX+_catamaranWidth - 20};
        int[] poplav1_y = {_startPosY,_startPosY + 5,_startPosY + 10};
        g2d.fillPolygon(poplav1_x,poplav1_y,3);
        int[] poplav2_x = {_startPosX + _catamaranWidth -20,_startPosX + _catamaranWidth,_startPosX+_catamaranWidth - 20};
        int[] poplav2_y = {_startPosY+70,_startPosY + 75,_startPosY + 80};
        g2d.fillPolygon(poplav2_x,poplav2_y,3);
        g2d.fillRect(_startPosX, _startPosY, _catamaranWidth - 20, 10);
        g2d.fillRect( _startPosX, _startPosY + 70, _catamaranWidth - 20, 10);
        //
        g2d.setColor(Color.BLACK);
        g2d.drawPolygon(poplav1_x,poplav1_y,3);
        g2d.drawPolygon(poplav2_x,poplav2_y,3);
        g2d.drawPolygon(x_triag,y_triag,3);
        g2d.drawRect(_startPosX+10, _startPosY+10, _catamaranWidth - 50, 60);
        g2d.drawRect(_startPosX, _startPosY, _catamaranWidth - 20, 10);
        g2d.drawRect( _startPosX, _startPosY + 70, _catamaranWidth - 20, 10);
        // sedenie
        g2d.setColor(Color.CYAN);
        g2d.fillOval(_startPosX + 15, _startPosY + 25, 60, 30);
        
        if (EntityCatamaran.Seats())
        {
            g2d.setColor(Color.ORANGE);
            g2d.fillOval(_startPosX + 20, _startPosY + 35, 10, 10);
            g2d.fillOval(_startPosX + 35, _startPosY + 35, 10, 10);
            g2d.fillOval(_startPosX + 50, _startPosY + 35, 10, 10);
        }
        drawningOars.DrawOars();
    }
}