using System;
using System.Collections.Generic;
using UnityEngine;

namespace DDD
{
    public abstract class RestaurantSubsystemSolver<T> : MonoBehaviour, IInteractionSolver where T : Enum
    {
        private Dictionary<T, IInteractionSubsystemSolver<T>> _solvers = new();

        protected abstract Dictionary<T, Type> GetSubsystemSolverTypeMappings();
        
        private void Start()
        {
            foreach (var subsystemSolverType in GetSubsystemSolverTypeMappings())
            {
                var solver = (IInteractionSubsystemSolver<T>)gameObject.AddComponent(subsystemSolverType.Value);
                _solvers.Add(subsystemSolverType.Key, solver);
            }
        }
        public bool ExecuteInteraction(IInteractor interactor, IInteractable interactable, ScriptableObject payloadSo = null)
        {
            return TryGetSolver(interactable, out var solver) &&
                   solver.ExecuteInteractionSubsystem(interactor, interactable, payloadSo);
        }

        public bool CanExecuteInteraction(IInteractor interactor = null, IInteractable interactable = null,
            ScriptableObject payloadSo = null)
        {
            return TryGetSolver(interactable, out var solver) &&
                   solver.CanExecuteInteractionSubsystem(interactor, interactable, payloadSo);
        }

        // Solver를 가져오는 공통 로직
        private bool TryGetSolver(IInteractable interactable, out IInteractionSubsystemSolver<T> solver)
        {
            solver = null;

            var owner = interactable as IInteractionSubsystemOwner;
            IInteractionSubsystemObject<T> subsystem = null;
            bool isExist = owner != null && owner.TryGetSubsystemObject<T>(out subsystem);
            
            if (!isExist || subsystem == null) return false;
        
            var type = subsystem.GetInteractionSubsystemType();
            return _solvers.TryGetValue(type, out solver);
        }
    }
}