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

namespace lab1.MovementStrategy;
/// <summary>
/// Класс-реализации IMoveableObject с использованием DrawingTrackedVenicle
/// </summary>
public class MoveableTrackedVehicle : IMoveableObject
{
    /// <summary>
    /// Поле-объект класса DrawningTrackedVehicle или его наследников
    /// </summary>
    private readonly DrawningTrackedVehicle? _trackedVehicle = null;
    /// <summary>
    /// Конструктор
    /// </summary>
    /// <param name="trackedVenicle">Объект класса DrawningStormtrooperBase</param>
    public MoveableTrackedVehicle(DrawningTrackedVehicle trackedVehicle)
    {
        _trackedVehicle = trackedVehicle;
    }
    public ObjectParameters? GetObjectPosition
    {
        get
        {
            if (_trackedVehicle == null || _trackedVehicle.EntityTrackedVehicle == null || !_trackedVehicle.GetPosX.HasValue || !_trackedVehicle.GetPosY.HasValue)
            {
                return null;
            }
            return new ObjectParameters(_trackedVehicle.GetPosX.Value, _trackedVehicle.GetPosY.Value, _trackedVehicle.GetWidth, _trackedVehicle.GetHeight);
        }
    }



    public int GetStep => (int)(_trackedVehicle?.EntityTrackedVehicle?.Step ?? 0);

    public bool TryMoveObject(MovementDirection direction)
    {
        if (_trackedVehicle == null || _trackedVehicle.EntityTrackedVehicle == null)
        {
            return false;
        }
        return _trackedVehicle.MoveTransport(GetDirectionType(direction));
    }
    /// <summary>
    /// Конвертация из MovementDirection в DirectionType 
    /// </summary>
    /// <param name="direction">MovementDirection</param>
    /// <returns>DirectionType</returns>
    private static DirectionType GetDirectionType(MovementDirection direction)
    {
        return direction switch
        {
            MovementDirection.Left => DirectionType.Left,
            MovementDirection.Right => DirectionType.Right,
            MovementDirection.Up => DirectionType.Up,
            MovementDirection.Down => DirectionType.Down,
            _=> DirectionType.Unknow,

        };
    }

}