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

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

            _pictureWidth = width;
            _pictureHeight = height;
            EntityCatamaran = new EntityCatamaran();
            EntityCatamaran.Init(speed, weight, bodyColor, additionalColor, bodyKit);
            return true;
            
        }

        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 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 void DrawTransport(Graphics g)
        { 
            if (EntityCatamaran == null)
            {
                return;
            }
            Pen pen = new(Color.Black);

            Point[] pontf = { new Point(_startPosX + _catamaranWidth - 40, _startPosY+10), new Point(_startPosX + _catamaranWidth, _startPosY + 40), new Point(_startPosX + _catamaranWidth - 40, _startPosY + 70) };

            g.DrawRectangle(pen, _startPosX, _startPosY, _catamaranWidth - 20, 10);
            g.DrawRectangle(pen, _startPosX+10, _startPosY+10, _catamaranWidth - 50, 60);
            g.DrawRectangle(pen, _startPosX, _startPosY + 70, _catamaranWidth - 20, 10);
            g.DrawEllipse(pen, _startPosX + 15, _startPosY + 25, 60, 30);
            g.DrawPolygon(pen, pontf);

            Point[] trig1 = { new Point(_startPosX + _catamaranWidth -20, _startPosY), new Point(_startPosX + _catamaranWidth, _startPosY + 5), new Point(_startPosX+_catamaranWidth - 20, _startPosY+10) };
            g.DrawPolygon(pen, trig1);
            Point[] trig2 = { new Point(_startPosX + _catamaranWidth - 20, _startPosY + 70 ), new Point(_startPosX + _catamaranWidth, _startPosY + 75), new Point(_startPosX + _catamaranWidth - 20, _startPosY + 80) };
            g.DrawPolygon(pen, trig2);
        }

    }
}