using System;
using System.Collections.Generic;

namespace JNGame.Sync
{
    public abstract class JNSyncService : Feature
    {
        
        //系统列表
        protected abstract JNBaseSystem[] AllSystems { get; }
        
        //获取当前逻辑帧
        public abstract int DeltaTime { get; }

        
        //获取系统
        public T GetSystem<T>() where T : JNBaseSystem
        {
            foreach (var service in AllSystems)
            {
                if (service is T system) return system;
            }
            
            throw new InvalidOperationException($"No Service of type {typeof(T).Name} was found.");  
        }

        public List<T> GetSystems<T>()
        {
            var list = new List<T>();
            foreach (var service in AllSystems)
            {
                if (service is T system)
                {
                    list.Add(system);
                }
            }
            return list;
        }
        
    }
}