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

public class DrawningDumpTruck {
    public EntityDumpTruck EntityDumpTruck;

    private EntityDumpTruck get_EntityDumpTruck() { return EntityDumpTruck; }
    public DrawningWeels _drawingWeels = null;

    // Ширина окна
    private Integer _pictureWidth;

    // Высота окна
    private Integer _pictureHeight;

    // Левая координата прорисовки автомобиля
    private Integer _startPosX;

    // Верхняя кооридната прорисовки автомобиля
    private Integer _startPosY;

    // Ширина прорисовки самосвала
    private final int _drawningDumpTruckWidth = 116;

    // Высота прорисовки самосвала
    private final int _drawingDumpTruckHeight = 100;
    Random random = new Random();

    public void Init(int speed, double weight, Color bodyColor, Color additionalColor, Boolean body, Boolean tent)
    {
        EntityDumpTruck = new EntityDumpTruck();
        EntityDumpTruck.Init(speed, weight, bodyColor, additionalColor, body, tent);
        _pictureWidth = null;
        _pictureHeight = null;
        _startPosX = null;
        _startPosY = null;
        _drawingWeels = new DrawningWeels(random.nextInt(2, 5));

    }

    public Boolean SetPictureSize(int width, int height)
    {
        if (_drawningDumpTruckWidth > width || _drawingDumpTruckHeight > height)
        {
            return false;
        }

        if (_pictureWidth != null && width != _pictureWidth || _pictureHeight != null && height != _pictureHeight)
        {
            if (_startPosX + _drawningDumpTruckWidth > width)
            {
                _startPosX -= _drawningDumpTruckWidth;
            }

            if (_startPosY + _drawingDumpTruckHeight > height)
            {
                _startPosY -= _drawingDumpTruckHeight;
            }
        }

        _pictureWidth = width;
        _pictureHeight = height;
        return true;
    }

    public void SetPosition(int x, int y)
    {
        if (_pictureHeight == null|| _pictureWidth == null)
        {
            return;
        }

        if (x < 0)
        {
            x = 0;
        }
        if (x + _drawningDumpTruckWidth > _pictureWidth)
        {
            x = _pictureWidth - _drawningDumpTruckWidth;
        }
        if (y < 0)
        {
            y = 0;
        }
        if (y + _drawingDumpTruckHeight > _pictureHeight)
        {
            y = _pictureHeight - _drawingDumpTruckHeight;

        }

        _startPosX = x;
        _startPosY = y;

    }

    public Boolean MoveTransport(DirectionType direction)
    {
        if (EntityDumpTruck == null || _startPosX == null || _startPosY == null)
        {
            return false;
        }

        switch (direction)
        {
            //влево
            case DirectionType.Left:
                if (_startPosX - _drawningDumpTruckWidth > 0)
                {
                    _startPosX -= (int)EntityDumpTruck.Step;
                }
                return true;
            //вверх
            case DirectionType.Up:
                if (_startPosY - _drawingDumpTruckHeight > 0)
                {
                    _startPosY -= (int)EntityDumpTruck.Step;
                }
                return true;
            // вправо
            case DirectionType.Right:
                if (_startPosX + _drawningDumpTruckWidth + (int)EntityDumpTruck.Step < _pictureWidth)
                {
                    _startPosX += (int)EntityDumpTruck.Step;
                }
                return true;
            //вниз
            case DirectionType.Down:
                if (_startPosY + _drawingDumpTruckHeight + (int)EntityDumpTruck.Step < _pictureHeight)
                {
                    _startPosY += (int)EntityDumpTruck.Step;
                }
                return true;
            default:
                return false;
        }
    }

    public void DrawTransport(Graphics2D g)
    {
        if (EntityDumpTruck == null || _startPosX == null || _startPosY == null)
        {
            return;
        }

        g.setPaint(Color.BLACK);

        if (EntityDumpTruck.Body)
        {
            int[] x_b = {_startPosX, _startPosX + 77, _startPosX + 77, _startPosX + 20};
            int[] y_b = {_startPosY + 15, _startPosY + 15, _startPosY + 50, _startPosY + 50};

            g.setPaint(Color.BLACK);
            g.drawPolygon(x_b, y_b, 4);
            g.setPaint(EntityDumpTruck.AdditionalColor);
            g.fillPolygon(x_b, y_b, 4);
        }

        if (EntityDumpTruck.Tent && EntityDumpTruck.Body)
        {
            int[] x_t = {_startPosX, _startPosX + 39, _startPosX + 77};
            int[] y_t = {_startPosY + 13, _startPosY, _startPosY + 13};

            g.setPaint(Color.BLACK);
            g.drawPolygon(x_t, y_t, 3);
            g.setPaint(EntityDumpTruck.AdditionalColor);
            g.fillPolygon(x_t, y_t, 3);
        }

        // Колёса
        g.setPaint(Color.BLACK);
        if (_drawingWeels != null){
            _drawingWeels.DrawningWeel(g, _startPosX, _startPosY);
        }

        //Границы самосвала
        g.drawRect( _startPosX + 10, _startPosY + 53, 100, 13);
        g.drawRect( _startPosX + 80, _startPosY + 15, 30, 36);
        g.drawRect(_startPosX + 85, _startPosY + 20, 20, 20);

        // Кузов
        g.setPaint(EntityDumpTruck.BodyColor);
        g.fillRect(_startPosX + 10, _startPosY + 53, 100, 13);
        g.fillRect(_startPosX + 80, _startPosY + 15, 30, 36);

        //Окно
        g.setPaint(Color.CYAN);
        g.fillRect(_startPosX + 85, _startPosY + 20, 20, 20);

    }
}