using Microsoft.Extensions.Logging;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WebSocket4Net;

namespace CoreAgent.ProtocolClient.Managers.WebSocketMgr
{
    /// <summary>
    /// WebSocket消息管理器 - 处理WebSocket连接和消息传输
    /// </summary>
    public partial class WebSocketMessageManager : IDisposable
    {
        #region 私有字段

        // WebSocket连接实例
        private WebSocket? _webSocket;

        // 客户端名称
        private readonly string _clientName;

        // 日志记录器
        private readonly ILogger<WebSocketMessageManager> _logger;

        // 消息ID管理器
        private readonly MessageIdManager _messageIdManager;

        // 消息队列
        private readonly BlockingCollection<JObject> _messageFifo;

        // 消息延迟发送定时器
        private Timer? _messageDeferTimer;

        // 释放标志
        private bool _disposed;

        // 同步锁对象
        private readonly object _lockObject = new object();

        #endregion

        #region 事件

        // 连接打开事件
        public event EventHandler? ConnectionOpened;

        // 连接关闭事件
        public event EventHandler? ConnectionClosed;

        // 连接错误事件
        public event EventHandler<string>? ConnectionError;

        // 消息接收事件
        public event EventHandler<JObject>? MessageReceived;

        // 消息发送事件
        public event EventHandler<JObject>? MessageSent;

        #endregion

        #region 属性

        /// <summary>
        /// 是否已连接
        /// </summary>
        public bool IsConnected => _webSocket?.State == WebSocketState.Open;

        /// <summary>
        /// WebSocket状态
        /// </summary>
        public WebSocketState State => _webSocket?.State ?? WebSocketState.None;

        /// <summary>
        /// 是否已释放
        /// </summary>
        public bool IsDisposed => _disposed;

        /// <summary>
        /// 消息队列数量
        /// </summary>
        public int MessageQueueCount => _messageFifo.Count;

        /// <summary>
        /// 消息ID管理器
        /// </summary>
        public MessageIdManager MessageIdManager => _messageIdManager;

        #endregion
    }
}