using System;
using System.Collections;
using System.Collections.Generic;
using Cysharp.Threading.Tasks;
using BITKit.SubSystems;
using UnityEngine;

namespace BITKit.Mark
{

    public interface IMarkObject
    {
        string GetID();
        string GetDisplay();
        Vector3 GetPostion();
        bool GetAcitve();
    }

    public interface IMarkSystem
    {
        event Action<IMarkObject> OnAdd;
        event Action<IMarkObject> OnUpdate;
        event Action<IMarkObject> OnRemove;
        void Add(IMarkObject markObject);
        void Remove(IMarkObject markObject);
    }

    [Serializable]
    public class MarkSystemMonoProxy:IMarkSystem
    {
        [SerializeReference] private MonoBehaviour monoBehaviour;
        private IMarkSystem _markSystemImplementation=>monoBehaviour as IMarkSystem;
        public event Action<IMarkObject> OnAdd
        {
            add => _markSystemImplementation.OnAdd += value;
            remove => _markSystemImplementation.OnAdd -= value;
        }

        public event Action<IMarkObject> OnUpdate
        {
            add => _markSystemImplementation.OnUpdate += value;
            remove => _markSystemImplementation.OnUpdate -= value;
        }

        public event Action<IMarkObject> OnRemove
        {
            add => _markSystemImplementation.OnRemove += value;
            remove => _markSystemImplementation.OnRemove -= value;
        }

        public void Add(IMarkObject markObject)
        {
            _markSystemImplementation.Add(markObject);
        }

        public void Remove(IMarkObject markObject)
        {
            _markSystemImplementation.Remove(markObject);
        }
    }

    [Serializable]
    public class MarkSystemSingleton:IMarkSystem
    {
        private IMarkSystem _markSystemImplementation=>MarkSystem.Singleton;
        public event Action<IMarkObject> OnAdd
        {
            add => _markSystemImplementation.OnAdd += value;
            remove => _markSystemImplementation.OnAdd -= value;
        }

        public event Action<IMarkObject> OnUpdate
        {
            add => _markSystemImplementation.OnUpdate += value;
            remove => _markSystemImplementation.OnUpdate -= value;
        }

        public event Action<IMarkObject> OnRemove
        {
            add => _markSystemImplementation.OnRemove += value;
            remove => _markSystemImplementation.OnRemove -= value;
        }

        public void Add(IMarkObject markObject)
        {
            _markSystemImplementation.Add(markObject);
        }

        public void Remove(IMarkObject markObject)
        {
            _markSystemImplementation.Remove(markObject);
        }
    }
    public class MarkSystem : MonoBehaviour,IMarkSystem
    {
        internal static IMarkSystem Singleton { get; private set; }
        public event Action<IMarkObject> OnAdd;
        public event Action<IMarkObject> OnUpdate;
        public event Action<IMarkObject> OnRemove;
        List<IMarkObject> markObjects = new();
        public void Add(IMarkObject markObject)
        {
            markObjects.Add(markObject);
            OnAdd?.Invoke(markObject);
        }
        public void Remove(IMarkObject markObject)
        {
            markObjects.TryRemove(markObject);
            OnRemove?.Invoke(markObject);
        }

        private void Awake()
        {
            Singleton = this;
        }

        private void Update()
        {
            foreach (var markObject in markObjects.ToArray())
            {
                OnUpdate?.Invoke(markObject);
            }
        }
    }
}