using ProjectStormtrooper.Drawnings;

namespace ProjectStormtrooper.MovementStrategy;
/// <summary>
/// Класс-реализации IMoveableObject с использованием DrawingStormtrooperBase
/// </summary>
public class MoveableStormtrooperBase : IMoveableObject
{
    /// <summary>
    /// Поле-объект класса DrawningStormtrooperBase или его наследников
    /// </summary>
    private readonly DrawningStormtrooperBase? _stormtrooper = null;
    /// <summary>
    /// Конструктор
    /// </summary>
    /// <param name="Stormtrooper">Объект класса DrawningStormtrooperBase</param>
    public MoveableStormtrooperBase(DrawningStormtrooperBase Stormtrooper)
    {
        _stormtrooper = Stormtrooper;
    }
    public ObjectParameters? GetObjectPosition
    {
        get
        {
            if (_stormtrooper == null || _stormtrooper.EntityStormtrooperBase == null || !_stormtrooper.GetPosX.HasValue || !_stormtrooper.GetPosY.HasValue)
            {
                return null;
            }
            return new ObjectParameters(_stormtrooper.GetPosX.Value,_stormtrooper.GetPosY.Value,_stormtrooper.GetWidth,_stormtrooper.GetHeight);
        }
    }

    public int GetStep => (int)(_stormtrooper?.EntityStormtrooperBase?.Step ?? 0);

    public bool TryMoveObject(MovementDirection direction)
    {
        if (_stormtrooper == null || _stormtrooper.EntityStormtrooperBase == null)
        {
            return false;
        }
        return _stormtrooper.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,

        };
    }
}