using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
namespace BITKit
{
    /// <summary>加工系统.处理系统，加工一个数据后返回，处理一个数据后返回</summary>
    public interface IProcessor
    {
        T GetContext<T>(string key, T value);
        void AddProcessor<T>(string key, Func<T, T> func);
        void RemoveProcessor<T>(string key, Func<T, T> func);
        T GetContext<T>(T value = default);
        void AddProcessor<T>(Func<T, T> func);
        void RemoveProcessor<T>(Func<T, T> func);
    }
    public class Processor : IProcessor
    {
        public Dictionary<string, List<object>> dictionary = new();
        public T GetContext<T>(T value = default) => GetContext<T>(key, value);
        public void AddProcessor<T>(Func<T, T> func) => AddProcessor<T>(key, func);
        public void RemoveProcessor<T>(Func<T, T> func) => RemoveProcessor<T>(key, func);
        string key => nameof(Processor);
        public T GetContext<T>(string key, T value)
        {
            key = string.Empty.GetType<T>();
            dictionary.Get(key).ForEach(x =>
            {
                var func = x as Func<T, T>;
                value = func.Invoke(value);
            });
            return value;
        }
        public void AddProcessor<T>(string key, Func<T, T> func)
        {
            key = string.Empty.GetType<T>();
            dictionary.Get(key).Add(func);
        }
        public void RemoveProcessor<T>(string key, Func<T, T> func)
        {
            key = string.Empty.GetType<T>();
            dictionary.Get(key).Remove(func);
        }
    }
}