using System;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;


/// <summary>
/// 轮询管理器
/// </summary>
public class PollingManager : MonoSingleton<PollingManager>
{
    /// <summary>
    /// 轮询事务
    /// </summary>
    public class PollItem
    {
        /// <summary>
        /// 唯一id
        /// </summary>
        public string Id;
        /// <summary>
        /// 回调函数
        /// </summary>
        public Action Callback;
        /// <summary>
        /// 时间间隔(秒)
        /// </summary>
        public int Interval_sec;

        public void Update()
        {
            timespan += Time.deltaTime;
            if (timespan > Interval_sec)
            {
                timespan -= Interval_sec;
                Callback?.Invoke();
            }
        }

        /// <summary>
        /// 时间
        /// </summary>
        private float timespan = 0;
    }

    Dictionary<string, PollItem> PollItems = new Dictionary<string, PollItem>();

    /// <summary>
    /// 注册轮询事务
    /// </summary>
    /// <param name="Uni_ID">字符串:唯一id</param>
    /// <param name="interval_seconds">时间间隔,单位:秒(若需更高精度请自行管理你的轮询)</param>
    /// <param name="callBack">回调函数</param>
    public void Register(string Uni_ID, int interval_seconds, Action callBack)
    {
        PollItems[Uni_ID] = new PollItem { Id = Uni_ID, Interval_sec = interval_seconds, Callback = callBack };
    }
    /// <summary>
    /// 删除轮询事务
    /// </summary>
    /// <param name="Uni_ID"></param>
    public void Unregister(string Uni_ID)
    {
        if (PollItems.ContainsKey(Uni_ID))
        {
            PollItems.Remove(Uni_ID);
        }
    }
    private void FixedUpdate()
    {
        foreach (var item in PollItems.Values) { item.Update(); }
    }

}