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

public class DrawningLiner extends JPanel {
    public EntityLiner EntityLiner;
    public DrawningDeck _deck = null;
    private Integer picture_width;
    private Integer picture_height;
    private Integer _StartPosX;
    private Integer _StartPosY;
    private int drawningLinerWidth = 160;
    private int drawningLinerHeight = 120;

    public void Init(int speed, double weight, Color bodycolor, Color additionalcolor, boolean pipe, boolean anchor) {
        EntityLiner = new EntityLiner();
        EntityLiner.Init(speed, weight, bodycolor, additionalcolor, pipe, anchor);
        picture_width = null;
        picture_height = null;
        _StartPosX = null;
        _StartPosY = null;
        _deck = new DrawningDeck();
        Random rand = new Random();
        int randomNum = rand.nextInt(3);
        _deck.SetCount(randomNum);
    }

    public boolean SetPictureSize(int width, int height) {
        if (width < drawningLinerWidth || height < drawningLinerHeight)
            return false;
        picture_width = width;
        picture_height = height;
        if (_StartPosX != null || _StartPosY != null) {
            if (_StartPosX + drawningLinerWidth > picture_width) {
                _StartPosX = _StartPosX - (_StartPosX + drawningLinerWidth - picture_width);
            } else if (_StartPosX < 0)
                _StartPosX = 0;
            if (_StartPosY + drawningLinerHeight > picture_height) {
                _StartPosY = _StartPosY - (_StartPosY + drawningLinerHeight - picture_height);
            } else if (_StartPosY < 0)
                _StartPosY = 0;
        }
        return true;
    }

    public void SetPosition(int x, int y) {
        if (!(picture_width != null && picture_height != null))
            return;
        if (x + drawningLinerWidth > picture_width) {
            _StartPosX = x - (x + drawningLinerWidth - picture_width);
        } else if (x < 0)
            _StartPosX = 0;
        else
            _StartPosX = x;
        if (y + drawningLinerHeight > picture_height) {
            _StartPosY = y - (y + drawningLinerHeight - picture_height);
        } else if (y < 0)
            _StartPosY = 0;
        else
            _StartPosY = y;
    }

    public boolean MoveTransport(DirectionType direction) {
        if (EntityLiner == null || _StartPosX == null || _StartPosY == null)
            return false;
        switch (direction) {
            case Left:
                if (_StartPosX - EntityLiner.Step > -40) {
                    _StartPosX -= (int) EntityLiner.Step;
                }
                return true;
            case Up:
                if (_StartPosY - EntityLiner.Step > -40) {
                    _StartPosY -= (int) EntityLiner.Step;
                }
                return true;
            case Right:
                if (_StartPosX + drawningLinerWidth + (int) EntityLiner.Step < picture_width
                        - EntityLiner.Step) {
                    _StartPosX += (int) EntityLiner.Step;
                }
                return true;
            case Down:
                if (_StartPosY + drawningLinerHeight + (int) EntityLiner.Step < picture_height
                        - EntityLiner.Step) {
                    _StartPosY += (int) EntityLiner.Step;
                }
                return true;
            default:
                return false;
        }
    }

    public void DrawTransport(Graphics2D g) {

        if (EntityLiner == null) {
            return;
        }
        ;
        g.setColor(EntityLiner.getAdditionalColor());
        _deck.Draw(g, _StartPosX, _StartPosY);
        g.setColor(EntityLiner.getBodyColor());

        int[] xPoints = { _StartPosX + 40, _StartPosX + 60, _StartPosX + 60 };
        int[] yPoints = { _StartPosY + 80, _StartPosY + 80, _StartPosY + 120 };
        g.drawPolygon(xPoints, yPoints, 3);
        g.fillPolygon(xPoints, yPoints, 3);

        xPoints = new int[] { _StartPosX + 40 + 100, _StartPosX + 60 + 100, _StartPosX + 40 + 100 };
        yPoints = new int[] { _StartPosY + 80, _StartPosY + 80, _StartPosY + 120 };
        g.drawPolygon(xPoints, yPoints, 3);
        g.fillPolygon(xPoints, yPoints, 3);

        g.drawRect(_StartPosX + 60, _StartPosY + 80, 80, 40);
        g.fillRect(_StartPosX + 60, _StartPosY + 80, 80, 40);

        if (EntityLiner.getAnchor()) {
            g.setColor(EntityLiner.getAdditionalColor());
            g.drawLine(_StartPosX + 70, _StartPosY + 85, _StartPosX + 70, _StartPosY + 110);
            g.drawLine(_StartPosX + 60, _StartPosY + 90, _StartPosX + 80, _StartPosY + 90);
            g.drawLine(_StartPosX + 60, _StartPosY + 100, _StartPosX + 70, _StartPosY + 110);
            g.drawLine(_StartPosX + 70, _StartPosY + 110, _StartPosX + 80, _StartPosY + 100);
        }
        // отрисовка шлюпок
        if (EntityLiner.getBoats()) {
            g.setColor(EntityLiner.getAdditionalColor());
            g.fillOval(_StartPosX + 80, _StartPosY + 80, 30, 20);
            g.fillOval(_StartPosX + 120, _StartPosY + 80, 30, 20);
        }
    }
}