using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AirFighter
{
    internal class DrawingAircraft
    {
        public EntityAircraft Plane { get; protected set; }

        protected float _startPosX;

        protected float _startPosY;

        private int? _pictureWidth = null;
        private int? _pictureHeight = null;

        private readonly int _aircraftWidth = 100;
        private readonly int _aircraftHeight = 100;

        public DrawingAircraft(int speed, float weight, Color bodyColor)
        {
            Plane = new EntityAircraft(speed, weight, bodyColor);
        }

        protected DrawingAircraft(int speed, float weight, Color bodyColor, int aircraftWidth, int aircraftHeight) : this(speed, weight,bodyColor)
        {
           
            _aircraftHeight = aircraftHeight;
            _aircraftWidth = aircraftWidth;
        }

        public void SetPosition(int x, int y, int width, int height)
        {

            if (x + _aircraftWidth > width || x < 0 || y + _aircraftHeight > height || y < 0)
            {
                return;
            }
            else
            {
                _startPosX = x;
                _startPosY = y;
                _pictureWidth = width;
                _pictureHeight = height;
            }
                
        }

        public void MoveTransport(Direction direction)
        {
            if (!_pictureWidth.HasValue || !_pictureHeight.HasValue)
            {
                return;
            }

            switch (direction)
            {
                case Direction.Right:
                    {
                        if (_startPosX + _aircraftWidth + Plane.Step < _pictureWidth)
                        {
                            _startPosX += Plane.Step;
                        }
                    }
                    break;
                case Direction.Left:
                    {
                        if (_startPosX  - Plane.Step > 0)                 
                        {
                            _startPosX -= Plane.Step;
                        }
                    }
                    break;
                case Direction.Up:
                    {
                        if (_startPosY  - Plane.Step > 0)
                        {
                            _startPosY -= Plane.Step;
                        }
                    }
                    break;
                case Direction.Down:
                    {
                        if (_startPosY + _aircraftHeight + Plane.Step < _pictureHeight)
                        {
                            _startPosY += Plane.Step;
                        }
                    }
                    break;
                case Direction.UpRight:
                    {
                        if (_startPosY - Plane.Step > 0 && _startPosX + _aircraftWidth + Plane.Step < _pictureWidth)
                        {
                            _startPosY -= Plane.Step;
                            _startPosX += Plane.Step;
                        }
                    }
                    break;
                case Direction.UpLeft:
                    {
                        if (_startPosY - Plane.Step > 0 && _startPosX - Plane.Step > 0)
                        {
                            _startPosX -= Plane.Step;
                            _startPosY -= Plane.Step;

                        }
                    }
                    break;
                case Direction.DownRight:
                    {
                        if (_startPosY + _aircraftHeight + Plane.Step < _pictureHeight && _startPosX + _aircraftWidth + Plane.Step < _pictureWidth)
                        {
                            _startPosY += Plane.Step;
                            _startPosX += Plane.Step;
                        }
                    }
                    break;
                case Direction.DownLeft:
                    {
                        if (_startPosY + _aircraftHeight + Plane.Step < _pictureHeight && _startPosX - Plane.Step > 0)
                        {
                            _startPosY += Plane.Step;
                            _startPosX -= Plane.Step;
                        }
                    }
                    break;
            }
        }

        public virtual void DrawTransport(Graphics g)
        {
            if (_startPosX < 0 || _startPosY < 0 || !_pictureHeight.HasValue || !_pictureWidth.HasValue)
            {
                return;
            }



            //Aircraft Body
            Pen pen = new(Color.Black);
            Brush brWhite = new SolidBrush(Plane.BodyColor);

            g.FillRectangle(brWhite, _startPosX + 20, _startPosY + 45, 80, 14);
            g.DrawRectangle(pen,_startPosX + 20, _startPosY + 45, 80, 14);

            //Wings

            GraphicsPath pathWing1 = new GraphicsPath();

            Point point1B = new Point((int)(_startPosX + 50), (int)(_startPosY + 45));
            Point point2B = new Point(point1B.X, point1B.Y - 40);
            Point point3B = new Point(point2B.X + 6, point2B.Y);
            Point point4B = new Point(point3B.X + 27, point1B.Y);
            Point[] pointsWings = new Point[] { point1B, point2B, point3B, point4B };
            
            pathWing1.AddLines(pointsWings);
            g.DrawPath(pen, pathWing1);
            g.FillPath(brWhite, pathWing1);

            
            GraphicsPath pathWing2 = new GraphicsPath();

            Point point1B2 = new Point((int)(_startPosX + 50), (int)(_startPosY + 60));
            Point point2B2 = new Point(point1B2.X, point1B2.Y + 40);
            Point point3B2 = new Point(point2B2.X + 6, point2B2.Y);
            Point point4B2 = new Point(point3B2.X + 27, point1B2.Y);
            Point[] pointsWings2 = new Point[] { point1B2, point2B2, point3B2, point4B2 };

            pathWing2.AddLines(pointsWings2);
            g.DrawPath(pen, pathWing2);
            g.FillPath(brWhite, pathWing2);


            //BackWings
            GraphicsPath pathBackWing1 = new GraphicsPath();
            
            Point point1W = new Point((int)(_startPosX + 85), (int)(_startPosY + 45));
            Point point2W = new Point(point1W.X, point1W.Y - 7);
            Point point3W = new Point(point2W.X + 15, point2W.Y - 16);
            Point point4W = new Point(point3W.X, point1W.Y);
            Point[] pointsBackWing1 = new Point[] { point1W, point2W, point3W, point4W };

            pathBackWing1.AddLines(pointsBackWing1);
            g.DrawPath(pen, pathBackWing1);
            g.FillPath(brWhite, pathBackWing1);

            GraphicsPath pathBackWing2 = new GraphicsPath();

            Point point1W2 = new Point((int)(_startPosX + 85), (int)(_startPosY + 60));
            Point point2W2 = new Point(point1W2.X, point1W2.Y + 7);
            Point point3W2 = new Point(point2W2.X + 15, point2W2.Y +16);
            Point point4W2 = new Point(point3W2.X, point1W2.Y);
            Point[] pointsBackWing2 = new Point[] { point1W2, point2W2, point3W2, point4W2 };

            pathBackWing2.AddLines(pointsBackWing2);
            g.DrawPath(pen,pathBackWing2);
            g.FillPath(brWhite,pathBackWing2);

            Brush brBlack = new SolidBrush(Color.Black);

            //Nose
            GraphicsPath pathBoseBody = new GraphicsPath();

            Point point1N = new Point((int)(_startPosX + 20), (int)(_startPosY + 45));
            Point point2N = new Point(point1N.X - 15 ,point1N.Y + 7);
            Point point3N = new Point(point1N.X, point1N.Y + 15);
            
            Point[] pointsBoseBody = new Point[] { point1N,point2N,point3N};

            pathBoseBody.AddLines(pointsBoseBody);
            g.FillPath(brBlack,pathBoseBody);



        }

        public void ChangeBorders(int width, int height)
        {
            _pictureWidth = width;
            _pictureHeight = height;

            if (_pictureWidth <= _aircraftWidth || _pictureHeight <= _aircraftHeight)
            {
                _pictureHeight = null;
                _pictureWidth = null;
                return;
            }
            if (_startPosX + _aircraftWidth > _pictureWidth)
            {
                _startPosX = _pictureWidth.Value - _aircraftWidth;
            }
            if (_startPosY + _aircraftHeight > _pictureHeight)
            {
                _startPosY = _pictureHeight.Value - _aircraftHeight;
            }

        }

        public (float Left, float Top, float Right, float Bottom) GetCurrentPosition()
        {
            return (_startPosX, _startPosY, _startPosX + _aircraftWidth - 1, _startPosY + _aircraftHeight - 1);
        }
    }
}