using lab1.Entities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace lab1.Drawnings;
/// <summary>
/// Класс, отвечающий за прорисовку и перемещение объекта-сущности
/// </summary>
public class DrawningTrackedVehicle
{  /// <summary>
   /// Класс-сущность
   /// </summary>
    public EntityTrackedVehicle? EntityTrackedVehicle { get; protected set; }

    /// <summary>
    /// Ширина окна
    /// </summary>
    private int? _pictureWidth;

    /// <summary>
    /// Высота окна
    /// </summary>
    private int? _pictureHeight;

    /// <summary>
    /// Левая координата прорисовки истребителя
    /// </summary>
    protected int? _startPosX;

    /// <summary>
    /// Верхняя координата прорисовки истребителя
    /// </summary>
    protected int? _startPosY;

    /// <summary>
    /// Ширина прорисовки истребителя
    /// </summary>
    private readonly int _drawningFighterWidth = 63;

    /// <summary>
    /// Высота прорисовки истребителя
    /// </summary>
    private readonly int _drawningFighterHeight = 69;

    /// <summary>
    /// Координата Х объекта
    /// </summary>
    /// <returns></returns>
    public int? GetPosX => _startPosX;
    /// <summary>
    /// Координата У объекта
    /// </summary>
    /// <returns></returns>

    public int? GetPosY => _startPosY;
    /// <summary>
    /// Ширина объекта
    /// </summary>
    /// <returns></returns>
    public int GetWidth => _drawningFighterWidth;
    /// <summary>
    /// Высота объекта
    /// </summary>
    /// <returns></returns>
    public int GetHeight => _drawningFighterHeight;


    /// <summary>
    /// Пустой конструктор
    /// </summary>
    private DrawningTrackedVehicle()
    {
        _pictureWidth = null;
        _pictureHeight = null;
        _startPosX = null;
        _startPosY = null;
    }


    /// <summary>
    ///  Конструктор
    /// </summary>
    /// <param name="speed">Скорость</param>
    /// <param name="weight">>Вес истребителя</param>
    /// <param name="bodyColor">Основной цвет</param>

    public DrawningTrackedVehicle(int speed, double weight, Color bodyColor) : this()
    {
        EntityTrackedVehicle = new EntityTrackedVehicle(speed, weight, bodyColor);
      
    }
    /// <summary>
    ///  Конструктор для наследников
    /// </summary>
    /// <param name="_drawningFighterWidth"> Ширина прорисовки истребителя</param>
    /// <param name="_drawningFighterHeight">>Высота прорисовки истребителя</param>


    protected DrawningTrackedVehicle(int drawningFighterWidth, int drawningFighterHeight) : this()
    {
        _drawningFighterWidth = drawningFighterWidth;
        _drawningFighterHeight = drawningFighterHeight;

    }


    /// <summary>
    /// Установка границ поля
    /// </summary>
    /// <param name="width">Ширина поля</param>
    /// <param name="height">Высота поля</param>
    /// <returns>true - границы заданы, false - проверка не пройдена, нельзя разместить объект в этих размерах</returns>
    public bool SetPictureSize(int width, int height)
    {
        if (width >= _drawningFighterWidth && height >= _drawningFighterHeight)
        {
            _pictureWidth = width;
            _pictureHeight = height;
            if (_startPosX.HasValue && _startPosY.HasValue)
            {
                SetPosition(_startPosX.Value, _startPosY.Value);
            }
            return true;
        }


        return false;
    }

    /// <summary>
    /// Установка позиции
    /// </summary>
    /// <param name="x">Координата X</param>
    /// <param name="y">Координата Y</param>
    public void SetPosition(int x, int y)
    {
        if (!_pictureHeight.HasValue || !_pictureWidth.HasValue)
        {
            return;
        }
        if (x < 0)
        {
            x = 0;
        }
        else if (x > _pictureWidth.Value - _drawningFighterWidth)
        {
            x = _pictureWidth.Value - _drawningFighterWidth;
        }

        if (y < 0)
        {
            y = 0;
        }
        else if (y > _pictureHeight.Value - _drawningFighterHeight)
        {
            y = _pictureHeight.Value - _drawningFighterHeight;
        }

        _startPosX = x;
        _startPosY = y;
    }


    /// <summary>
    /// Изменение направления перемещения
    /// </summary>
    /// <param name="direction">Направление</param>
    /// <returns>true - перемещене выполнено, false - перемещение невозможно</returns>
    public bool MoveTransport(DirectionType direction)
    {
        if (EntityTrackedVehicle == null || !_startPosX.HasValue || !_startPosY.HasValue)
        {
            return false;
        }
        switch (direction)
        {
            //влево
            case DirectionType.Left:
                if (_startPosX.Value - EntityTrackedVehicle.Step > 0)
                {
                    _startPosX -= (int)EntityTrackedVehicle.Step;
                }
                return true;
            //Вверх
            case DirectionType.Up:
                if (_startPosY.Value - EntityTrackedVehicle.Step > 0)
                {
                    _startPosY -= (int)EntityTrackedVehicle.Step;
                }
                return true;

            //Вправо
            case DirectionType.Right:
                if (_startPosX.Value + EntityTrackedVehicle.Step + _drawningFighterWidth < _pictureWidth)
                {
                    _startPosX += (int)EntityTrackedVehicle.Step;
                }
                return true;
            //Вниз
            case DirectionType.Down:
                if (_startPosY.Value + EntityTrackedVehicle.Step + _drawningFighterHeight < _pictureHeight)
                {
                    _startPosY += (int)EntityTrackedVehicle.Step;
                }
                return true;
            default:
                return false;
        }
    }

    /// <summary>
    /// Прорисовка объекта
    /// </summary>
    /// <param name="g"></param>
    public virtual void DrawTransport(Graphics g)
    {
        if (EntityTrackedVehicle == null || !_startPosX.HasValue || !_startPosY.HasValue)
        {
            return;
        }
        Pen pen = new(Color.Black);
       
        Brush BodyBrush = new SolidBrush(EntityTrackedVehicle.BodyColor);

        //корпус
        g.FillRectangle(BodyBrush, _startPosX.Value, _startPosY.Value + 5, 62, 12);
        g.DrawRectangle(pen, _startPosX.Value, _startPosY.Value + 5, 62, 12);
        g.FillRectangle(BodyBrush, _startPosX.Value + 12, _startPosY.Value - 9, 4, 15);
        g.DrawRectangle(pen, _startPosX.Value +12, _startPosY.Value - 9, 4, 14);
        g.FillRectangle(BodyBrush, _startPosX.Value + 27, _startPosY.Value - 24, 5, 30);
        g.DrawRectangle(pen, _startPosX.Value + 27, _startPosY.Value - 24, 5, 30);

        //стекло
        g.FillRectangle(BodyBrush, _startPosX.Value + 42, _startPosY.Value - 11, 21, 16);
        g.DrawRectangle(pen, _startPosX.Value + 42, _startPosY.Value -11, 20, 16);

        //гусеницы
        g.DrawLine(pen, _startPosX.Value - 2, _startPosY.Value + 17, _startPosX.Value, _startPosY.Value + 17);
        g.DrawLine(pen, _startPosX.Value - 3, _startPosY.Value + 18, _startPosX.Value - 3, _startPosY.Value + 28);
        g.DrawLine(pen, _startPosX.Value - 2, _startPosY.Value + 29, _startPosX.Value + 2, _startPosY.Value + 29);
        g.DrawLine(pen, _startPosX.Value + 3, _startPosY.Value + 30, _startPosX.Value + 59, _startPosY.Value + 30);
        g.DrawLine(pen, _startPosX.Value + 60, _startPosY.Value + 29, _startPosX.Value + 63, _startPosY.Value + 29);
        g.DrawLine(pen, _startPosX.Value + 64, _startPosY.Value + 28, _startPosX.Value + 64, _startPosY.Value + 18);
        g.DrawLine(pen, _startPosX.Value + 61, _startPosY.Value + 17, _startPosX.Value + 63, _startPosY.Value + 17);

        //колеса
        g.FillEllipse(BodyBrush, _startPosX.Value, _startPosY.Value + 19, 9, 9);
        g.DrawEllipse(pen, _startPosX.Value, _startPosY.Value + 19, 9, 9);
        g.FillEllipse(BodyBrush, _startPosX.Value + 53, _startPosY.Value + 19, 9, 9);
        g.DrawEllipse(pen, _startPosX.Value + 53, _startPosY.Value + 19, 9, 9);

        g.FillEllipse(BodyBrush, _startPosX.Value + 15, _startPosY.Value + 23, 6, 6);
        g.DrawEllipse(pen, _startPosX.Value + 15, _startPosY.Value + 23, 6, 6);
        g.FillEllipse(BodyBrush, _startPosX.Value + 28, _startPosY.Value + 23, 6, 6);
        g.DrawEllipse(pen, _startPosX.Value + 28, _startPosY.Value + 23, 6, 6);
        g.FillEllipse(BodyBrush, _startPosX.Value + 40, _startPosY.Value + 23, 6, 6);
        g.DrawEllipse(pen, _startPosX.Value + 40, _startPosY.Value + 23, 6, 6);

        g.FillEllipse(BodyBrush, _startPosX.Value + 23, _startPosY.Value + 19, 4, 4);
        g.DrawEllipse(pen, _startPosX.Value + 23, _startPosY.Value + 19, 4, 4);
        g.FillEllipse(BodyBrush, _startPosX.Value + 35, _startPosY.Value + 19, 4, 4);
        g.DrawEllipse(pen, _startPosX.Value + 35, _startPosY.Value + 19, 4, 4);

      
    }

}