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

namespace ProjectElectricLocomotive.MovementStrategy
{
    public class MoveableLocomotive : IMovableObject
    {

        private readonly DrawningLocomotive? _locomotive = null;

        public MoveableLocomotive(DrawningLocomotive locomotive)
        {
            _locomotive = locomotive;
        }

        public ObjectParameters? GetObjectPosition
        {
            get
            {
                if (_locomotive == null || _locomotive.EntityLocomotive == null || !_locomotive.GetPosX.HasValue || !_locomotive.GetPosY.HasValue)
                {
                    return null;
                }
                return new ObjectParameters(_locomotive.GetPosX.Value, _locomotive.GetPosY.Value, _locomotive.GetWidth, _locomotive.GetHeight);
            }
        }



        public int GetStep => (int)(_locomotive?.EntityLocomotive?.Step ?? 0);

        

        public bool TryMoveObject(MovementDirection direction)
        {
            if (_locomotive == null || _locomotive.EntityLocomotive == null)
            {
                return false;
            }

            return _locomotive.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,
            };
        }
    }
}