using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;


using Axion.Collections.Concurrent;


namespace ServerCore;

//=============================================================================================
// 각종 시스템에 사용할 플래그 설정을 타입화 하여 관리할 수 있는 제네릭 클래스 이다.
//
// author : kangms
// 
//=============================================================================================

public class Flags<T>
{
    private readonly ConcurrentHashSet<T> m_switchs = new();

    public bool hasFlag(T flag)
    {
        return m_switchs.Contains(flag);
    }

    public void setFlag(T flag, bool isEnable)
    {
        if (isEnable)
        {
            m_switchs.AddOrUpdate(flag);
        }
        else
        {
            m_switchs.Remove(flag);
        }
    }

    public bool isEmptyFlags()
    {
        return m_switchs.IsEmpty;
    }

    public void reset()
    {
        m_switchs.Clear();
    }

    public virtual Flags<T> clone()
    {
        var cloned = new Flags<T>();

        foreach(var value in m_switchs)
        {
            cloned.getData().AddOrUpdate(value);
        }

        return cloned;
    }

    public virtual void deepCopy(Flags<T> other)
    {
        reset();

        foreach (var value in other.getData())
        {
            m_switchs.AddOrUpdate(value);
        }
    }

    public ConcurrentHashSet<T> getData() => m_switchs;
}