ProjectDDD/Assets/_DDD/_Scripts/RestaurantEnvironment/Interactions/RestaurantMealInteractionSubsystem.cs

using System;
using UnityEngine;

namespace DDD
{
    public enum RestaurantMealType : uint
    {
        None = 0u,
        WaitForOrder = 1u,
        WaitForServe = 1u << 1
    }
    public class RestaurantMealInteractionSubsystem : MonoBehaviour, IInteractionSubsystemObject<RestaurantMealType>
    {
        private RestaurantMealType _currentRestaurantMealType;
        private void Awake()
        {
            _currentRestaurantMealType = RestaurantMealType.None;
        }
        public RestaurantMealType GetInteractionSubsystemType()
        {
            return _currentRestaurantMealType;
        }

        public void SetInteractionSubsystemType(RestaurantMealType inValue)
        {
            _currentRestaurantMealType = inValue;
        }

        public void InitializeSubsystem()
        {
            _currentRestaurantMealType = RestaurantMealType.None;
        }

        public bool CanInteract()
        {
            return _currentRestaurantMealType != RestaurantMealType.None;
        }

        public bool OnInteracted(IInteractor interactor, ScriptableObject payloadSo = null)
        {
            var prev = _currentRestaurantMealType;
            _currentRestaurantMealType = GetNextState(prev);
            return true;
        }
        
        private RestaurantMealType GetNextState(RestaurantMealType state)
        {
            switch (state)
            {
                case RestaurantMealType.None : return RestaurantMealType.WaitForOrder;
                case RestaurantMealType.WaitForOrder : return RestaurantMealType.WaitForServe;
                case RestaurantMealType.WaitForServe : return RestaurantMealType.None;
                default: return RestaurantMealType.None;
            }
        }
    }
}