using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Hydroplane.Entities;
using Hydroplane.MovementStrategy;

namespace Hydroplane.DrawningObjects
{
    public class DrawningPlane
    {
        public EntityPlane? EntityPlane { get; protected set; }
        private int _pictureWidth;
        private int _pictureHeight;
        protected int _startPosX;
        protected int _startPosY;
        private readonly int _planeWidth = 175;
        private readonly int _planeHeight = 80;
        public int GetPosX => _startPosX;
        public int GetPosY => _startPosY;
        public int GetWidth => _planeWidth;
        public int GetHeight => _planeHeight;
        public DrawningPlane(int speed, double weight, Color bodyColor, int width, int height)
        {
            
            _pictureWidth = width;
            _pictureHeight = height;
            if (width < _pictureWidth || height < _pictureHeight)
            {
                return;
            }
            EntityPlane = new EntityPlane(speed, weight, bodyColor);
        }

        protected DrawningPlane(int speed, double weight, Color bodyColor, int width, int height, int planeWidth, int planeHeight)
        {
            
            _pictureWidth = width;
            _pictureHeight = height;
            _pictureWidth = planeWidth;
            _pictureHeight = planeHeight;
            if (width < _pictureWidth || height < _pictureHeight)
            {
                return;
            }
            EntityPlane = new EntityPlane(speed, weight, bodyColor);
        }

        public IMoveableObject GetMoveableObject => new DrawningObjectPlane(this);

        public void SetPosition(int x, int y)
        {
            _startPosX = Math.Min(x, _pictureWidth - _planeWidth);
            _startPosY = Math.Min(y, _pictureHeight - _planeHeight);
        }
        public bool CanMove(DirectionType direction)
        {
            if (EntityPlane == null)
            {
                return false;
            }
            return direction switch
            {
                //влево
                DirectionType.Left => _startPosX - EntityPlane.Step > 0,
                //вверх
                DirectionType.Up => _startPosY - EntityPlane.Step > 0,
                // вправо
                DirectionType.Right => _startPosX + EntityPlane.Step < _pictureWidth,
                //вниз
                DirectionType.Down => _startPosY + EntityPlane.Step < _pictureHeight,
                _ => false
            };
        }
        public void MoveTransport(DirectionType direction)
        {
            if (!CanMove(direction) || EntityPlane == null)
            {
                return;
            }
            switch (direction)
            {
                //влево
                case DirectionType.Left:
                    if (_startPosX - EntityPlane.Step > 0)
                    {
                        _startPosX -= (int)EntityPlane.Step;
                    }
                    break;
                //вверх
                case DirectionType.Up:
                    if (_startPosY - EntityPlane.Step > 0)
                    {
                        _startPosY -= (int)EntityPlane.Step;
                    }
                    break;
                // вправо
                case DirectionType.Right:
                    if (_startPosX + EntityPlane.Step + _planeWidth < _pictureWidth)
                    {
                        _startPosX += (int)EntityPlane.Step;
                    }
                    break;
                //вниз
                case DirectionType.Down:
                    if (_startPosY + EntityPlane.Step + _planeHeight < _pictureHeight)
                    {
                        _startPosY += (int)EntityPlane.Step;
                    }
                    break;
            }
        }

        /// <summary>
        /// Прорисовка объекта
        /// </summary>
        /// <param name="g"></param>
        public virtual void DrawTransport(Graphics g)
        {
            if (EntityPlane == null)
            {
                return;
            }
            Pen pen = new(Color.Black);
            Brush bodyBrush = new SolidBrush(EntityPlane.BodyColor);

            //раскраска основы
            g.FillPolygon(bodyBrush, new[] {
                new Point(_startPosX + 5, _startPosY),
                new Point(_startPosX + 5, _startPosY + 55),
                new Point(_startPosX + 130, _startPosY + 55),
                new Point(_startPosX + 160, _startPosY + 40),
                new Point(_startPosX + 130, _startPosY + 40),
                new Point(_startPosX + 130, _startPosY + 25),
                new Point(_startPosX + 55, _startPosY + 25) });

                     

            //основа
            g.DrawRectangle(pen, _startPosX + 5, _startPosY + 25, 125, 30);

            //хвост
            g.DrawLine(pen, _startPosX + 5, _startPosY + 25, _startPosX + 5, _startPosY);
            g.DrawLine(pen, _startPosX + 55, _startPosY + 25, _startPosX + 5, _startPosY);

            //нос
            g.DrawLine(pen, _startPosX + 130, _startPosY + 25, _startPosX + 160, _startPosY + 40);
            g.DrawLine(pen, _startPosX + 130, _startPosY + 55, _startPosX + 160, _startPosY + 40);
            g.DrawLine(pen, _startPosX + 130, _startPosY + 40, _startPosX + 160, _startPosY + 40);

            //иллюминаторы
            g.DrawEllipse(pen, _startPosX + 40, _startPosY + 30, 10, 10);
            g.DrawEllipse(pen, _startPosX + 60, _startPosY + 30, 10, 10);
            g.DrawEllipse(pen, _startPosX + 80, _startPosY + 30, 10, 10);

            //крыло сбоку
            g.DrawEllipse(pen, _startPosX + 35, _startPosY + 43, 80, 7);

            
        }
    }
}