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

namespace AirFighter
{
    internal class MapWithSetAircraftsGeneric<T, U>
        where T : class, IDrawingObject
        where U : AbstractMap
    {
        private readonly int _pictureWidth;

        private readonly int _pictureHeight;

        private readonly int _placeSizeWidth = 145;

        private readonly int _placeSizeHeight = 145;

        private readonly SetAircraftsGeneric<T> _setAircrafts;

        private readonly U _map;

        public MapWithSetAircraftsGeneric(int picWidth, int picHeight, U map)
        {
            int width = picWidth / _placeSizeWidth;
            int height = picHeight / _placeSizeHeight;
            _setAircrafts = new SetAircraftsGeneric<T>(width * height);
            _pictureWidth = picWidth;
            _pictureHeight = picHeight;
            _map = map; 
        }

        public static bool operator +(MapWithSetAircraftsGeneric<T, U> map, T aircraft)
        {

            return map._setAircrafts.Insert(aircraft);
        }

        public static bool operator -(MapWithSetAircraftsGeneric<T, U> map, int position)
        {
            return map._setAircrafts.Remove(position);
        }

        public Bitmap ShowSet()
        {
            Bitmap bmp = new(_pictureWidth, _pictureHeight);
            Graphics gr = Graphics.FromImage(bmp);
            DrawBackground(gr);
            DrawAircrafts(gr);
            return bmp;
        }

        public Bitmap ShowOnMap()
        {
            Shaking();
            for (int i = 0; i < _setAircrafts.Count; i++)
            {
                var aircraft = _setAircrafts.Get(i);
                if (aircraft != null)
                {
                    return _map.CreateMap(_pictureWidth, _pictureHeight, aircraft);
                }
            }
            return new(_pictureWidth, _pictureHeight);
        }

        public Bitmap MoveObject(Direction direction)
        {
            if (_map != null)
            {
                return _map.MoveObject(direction);
            }
            return new(_pictureWidth, _pictureHeight);
        }



        private void Shaking()
        {
            int j = _setAircrafts.Count - 1;
            for (int i = 0; i < _setAircrafts.Count; i++)
            {
                if (_setAircrafts.Get(i) == null)
                {
                    for (; j > i; j--)
                    { 
                        var aircraft = _setAircrafts.Get(i);
                        if (aircraft != null)
                        {
                            _setAircrafts.Insert(aircraft, i);
                            _setAircrafts.Remove(j);
                            break;

                        }
                    }
                    if (j <= i)
                    {
                        return;
                    }
                }
            }
        }

        private void DrawBackground(Graphics g)
        {
            Pen pen = new(Color.Black, 2);
            for (int i = 0; i < _pictureWidth / _placeSizeWidth + 1; i++)
            { 

                for (int j = 0; j < _pictureHeight / _placeSizeHeight; j++)
                {
                    g.DrawLine(pen, i * _placeSizeWidth + 20, j * _placeSizeHeight + 135, 
                   _pictureWidth - 80, j * _placeSizeHeight + 135);

                    g.DrawLine(pen, i * _placeSizeWidth + 20, j * _placeSizeHeight + 60, i * _placeSizeWidth + _placeSizeWidth /2 + 20, j * _placeSizeHeight + 45);
                    g.DrawLine(pen, i * _placeSizeWidth + _placeSizeWidth / 2 + 20, j * _placeSizeHeight + 45, i * _placeSizeWidth + _placeSizeWidth + 20 , j * _placeSizeHeight + 60);

                    g.DrawLine(pen, i * _placeSizeWidth + 20, j * _placeSizeHeight + 135, i * _placeSizeWidth + 20, j * _placeSizeHeight + 60);




                }




            }
            
        }

        private void DrawAircrafts(Graphics g)
        {


            //int curX = _pictureWidth / _placeSizeWidth;
            //int curY = _pictureHeight / _placeSizeHeight;

            for (int i = 0; i < _setAircrafts.Count; i++)
            {
                //_setAircrafts.Get(i)?.SetObject(curX , curY , 100, 100);

                _setAircrafts.Get(i)?.DrawingObject(g);

                //if (curX < 0)
                //{
                //    curX = _pictureWidth / _placeSizeWidth;
                //    curY--;
                //}
            }
        }


    }
}