namespace ProjectLainer
{
    public class DrawningLainer
    {
        public EntityLainer? EntityLainer { get; private set; }
        private int _pictureWidth;
        private int _pictureHeight;
        private int _startPosX;
        private int _startPosY;
        private readonly int _LainerWidth = 150;
        private readonly int _LainerHeight = 80;
        public bool Init(int speed, double weight, Color bodyColor, Color additionalColor, bool ispool, bool addDecks, int width, int height)
        {
            if(width <= _LainerWidth || height <= _LainerHeight) 
            {
                return false;
            }
            _pictureWidth = width;
            _pictureHeight = height;
            EntityLainer = new EntityLainer();
            EntityLainer.Init(speed, weight, bodyColor, additionalColor, ispool, addDecks);
            return true;
        }
        public void SetPosition(int x, int y)
        {
            if(x + _LainerWidth < _pictureWidth && x + _LainerWidth > 0)
            {
                _startPosX = x;
            }
            if (y + _LainerHeight < _pictureHeight && y + _LainerHeight > 0)
            {
                _startPosY = y;
            }
        }
        public void MoveTransport(DirectionType direction)
        {
            if (EntityLainer == null)
                
            {
                return;
            }
            switch (direction)
            {
                //влево
                case DirectionType.Left:
                    if (_startPosX - EntityLainer.Step > 0)
                    {
                        _startPosX -= (int)EntityLainer.Step;
                    }
                    else
                    {
                        _startPosX = 1;
                    }
                    break;
                //вверх
                case DirectionType.Up:
                    if (_startPosY - EntityLainer.Step > 0)
                    {
                        _startPosY -= (int)EntityLainer.Step;
                    }
                    else
                    {
                        _startPosY = 1;
                    }
                    break;
                // вправо
                case DirectionType.Right:
                    if (_startPosX + EntityLainer.Step <= _pictureWidth - _LainerWidth)
                    {
                        _startPosX += (int)EntityLainer.Step;
                    }
                    else
                    {
                        _startPosX = _pictureWidth - _LainerWidth;
                    }
                    break;
                //вниз
                case DirectionType.Down:
                    if (_startPosY + EntityLainer.Step  <= _pictureHeight - _LainerHeight)
                    {
                        _startPosY += (int)EntityLainer.Step;
                    }
                    else
                    {
                        _startPosY = _pictureHeight - _LainerHeight;
                    }
                    break;
            }
        }
        public void DrawTransport(Graphics g)
        {
            if (EntityLainer == null)
            {
                return;
            }
            Brush brBlue = new SolidBrush(Color.LightBlue);
            Pen pen = new(Color.Black);
            Brush additionalBrush = new
            SolidBrush(EntityLainer.AdditionalColor);
            var brush = new SolidBrush(Color.Black);
            // доп палубы и отрисовка труб
            Rectangle smokestack1 = new Rectangle(_startPosX + 20, _startPosY, 20, 50);
            Rectangle smokestack2 = new Rectangle(_startPosX + 60, _startPosY, 20, 50);
            g.FillRectangle(brush, smokestack1);
            g.FillRectangle(brush, smokestack2);
            if (EntityLainer.Decks)
            {
                Rectangle deck2 = new Rectangle(_startPosX + 10, _startPosY + 10, _LainerWidth - 18, 20);
                g.FillRectangle(additionalBrush, deck2);
                for (int i = 2; i < 6; i++)
                {
                    g.FillEllipse(brBlue, _startPosX + i * 16, _startPosY + 15, 12, 12);
                }
            }
            //границы лайнера
            pen = new(Color.Red);
            brush = new SolidBrush(Color.Red);
            Point point1 = new Point(_startPosX, _startPosY + 50);
            Point point2 = new Point(_startPosX + _LainerWidth, _startPosY+50);
            Point point3 = new Point(_startPosX + 20, _startPosY+80);
            Point point4 = new Point(_startPosX + 80, _startPosY + 80);
            Point[] points =  { point1, point2, point4, point3};
            g.DrawPolygon(pen, points);
            g.FillPolygon(brush, points);
            //1 палуба
            brush = new SolidBrush(Color.Green);
            Rectangle deck = new Rectangle(_startPosX + 5, _startPosY + 30, _LainerWidth - 10, 20);
            g.FillRectangle(brush,deck);
            //стекла
            for (int i = 1; i < 7; i++)
            {
                g.FillEllipse(brBlue, _startPosX + i*16, _startPosY + 33, 14, 14);
            }
            // бассейн
            if (EntityLainer.Pool)
            {
                g.FillEllipse(brBlue, _startPosX + _LainerWidth - 35, _startPosY + _LainerHeight - 55, 35, 12);
                brush = new SolidBrush(Color.DarkGray);
                Rectangle rect2 = new Rectangle(_startPosX + _LainerWidth - 35, _startPosY + _LainerHeight - 50, 35, 20);
                g.FillRectangle(brush, rect2);
            }
        }
    }
}