using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Catamaran
{
    public class DrawningCatamaran
    {
        public EntityCatamaran? EntityCatamaran { get;  set; }
        
        public int _pictureWidth = 800;
     
        public int _pictureHeight = 450;
       
        public int _startPosX = 0;
        
        public int _startPosY = 0;
       
        public readonly int _catamaranWidth = 120;
       
        public readonly int _catamaranHeight = 80;
       
        public DrawningCatamaran(int speed, double weight, Color bodyColor, Color additioncolor, int width, int height, bool seats)
        {
            if (_pictureHeight < _catamaranWidth && _pictureWidth < _catamaranHeight) return;

            _pictureWidth = width;
            _pictureHeight = height;
            EntityCatamaran = new EntityCatamaran(speed,weight,bodyColor,additioncolor,seats);
        }
        protected DrawningCatamaran(int speed, double weight, Color bodyColor, Color additioncolor, int width, int height, int catWidth, int catHeight, bool seats)
        {
            if (width <= _catamaranWidth || height <= _catamaranHeight) return;
            _pictureWidth = width;
            _pictureHeight = height;
            _catamaranWidth = catWidth;
            _catamaranHeight = catHeight;
            EntityCatamaran = new EntityCatamaran(speed, weight, bodyColor, additioncolor, seats);
        }
       
        public void SetPosition(int x, int y)
        {
            if(EntityCatamaran == null) return;
            while(x + _catamaranWidth > _pictureWidth)
            {
                x-= (int)EntityCatamaran.Step;
            }
            while (x < 0)
            { 
                x+= (int)EntityCatamaran.Step;
            }
            while (y + _catamaranHeight > _pictureHeight)
            {
                y-= (int)EntityCatamaran.Step;
            }
            while (y < 0)
            {
                y+= (int)EntityCatamaran.Step;
            }
            _startPosX = x;
            _startPosY = y;
        }
        public int GetPosX => _startPosX;
        public int GetPosY => _startPosY;
        public int GetWidth => _catamaranWidth;
        public int GetHeight => _catamaranHeight;
        public bool CanMove(DirectionType direction)
        {
            if (EntityCatamaran == null)
            {
                return false;
            }
            return direction switch
            {
                DirectionType.Left => _startPosX - EntityCatamaran.Step > 0,
               
                DirectionType.Up => _startPosY - EntityCatamaran.Step > 0,
               
                DirectionType.Right => _startPosX + EntityCatamaran.Step < _pictureWidth,
               
                DirectionType.Down => _startPosY -+EntityCatamaran.Step < _pictureHeight,
                _ => false,
            };
        }

       
        public void MoveTransport(DirectionType direction)
        {
            if (EntityCatamaran == null)
            {
                return;
            }
            switch (direction)
            {
                
                case DirectionType.Left:
                    if (_startPosX - EntityCatamaran.Step > 0)
                    {
                        _startPosX -= (int)EntityCatamaran.Step;
                    }
                    break;
               
                case DirectionType.Up:
                    if (_startPosY - EntityCatamaran.Step > 0)
                    {
                        _startPosY -= (int)EntityCatamaran.Step;
                    }
                    break;
                
                case DirectionType.Right:
                    if (_startPosX + _catamaranWidth + EntityCatamaran.Step < _pictureWidth)
                    {
                        _startPosX += (int)EntityCatamaran.Step;
                    }
                    break;
                
                case DirectionType.Down:
                    if (_startPosY + _catamaranHeight + EntityCatamaran.Step < _pictureHeight)
                    {
                        _startPosY += (int)EntityCatamaran.Step;
                    }
                    break;
            }
        }
     
        public virtual void DrawTransport(Graphics g)
        { 
            if (EntityCatamaran is not EntityCatamaran Cat)
            {
                return;
            }
            Pen pen = new(Color.Black);
            
            Brush bodyBrush = new SolidBrush(EntityCatamaran.BodyColor);
            Brush ellipseBrush = new SolidBrush(EntityCatamaran.AdditionalColor);
            
            Point[] pontf = { new Point(_startPosX + _catamaranWidth - 40, _startPosY+10), new Point(_startPosX + _catamaranWidth, _startPosY + 40), new Point(_startPosX + _catamaranWidth - 40, _startPosY + 70) };
            g.DrawPolygon(pen, pontf);

            g.FillRectangle(bodyBrush, _startPosX+10, _startPosY+10, _catamaranWidth - 50, 60);
            g.DrawRectangle(pen, _startPosX+10, _startPosY+10, _catamaranWidth - 50, 60);

            g.FillEllipse(ellipseBrush, _startPosX + 15, _startPosY + 25, 60, 30);
            g.DrawEllipse(pen, _startPosX + 15, _startPosY + 25, 60, 30);

            if (Cat.Seats)
            {
                g.DrawEllipse(pen, _startPosX + 20, _startPosY + 35, 10, 10);
                g.DrawEllipse(pen, _startPosX + 35, _startPosY + 35, 10, 10);
                g.DrawEllipse(pen, _startPosX + 50, _startPosY + 35, 10, 10);
            }
        }
    }
}