using System;
using System.Collections.Generic;
using System.Linq;

namespace NBF.ConfigTable;

public interface IConfigContext
{
    // 定义非泛型接口
}

public class ConfigContext<T> : IConfigContext where T : IConfigTable
{
    private static List<T> _cacheList = new List<T>();

    #region Cache

    public void Association(List<T> list)
    {
        if (list != null)
        {
            _cacheList = list;
        }
    }

    #endregion

    public int Count()
    {
        return _cacheList.Count;
    }

    public int Count(Func<T, bool> predicate)
    {
        return _cacheList.Count(predicate);
    }

    public T Get(uint key)
    {
        return First(key);
    }

    public T Fist()
    {
        return _cacheList.First();
    }

    public T Last()
    {
        return _cacheList.Last();
    }

    public T Fist(Predicate<T> match)
    {
        return Get(match);
    }

    public T Last(Predicate<T> match)
    {
        return _cacheList.FindLast(match);
    }

    public T Get(Predicate<T> match)
    {
        return _cacheList.Find(match);
    }

    public T GetRandom()
    {
        Random random = new Random();
        // 随机从列表中取一个对象
        return _cacheList[random.Next(_cacheList.Count)];
    }

    public List<T> GetList()
    {
        return _cacheList;
    }

    public List<T> GetList(Predicate<T> match)
    {
        return _cacheList.FindAll(match);
    }

    private T First(uint key)
    {
        return _cacheList.Find(t => t.Key == key);
    }
}