using System;
using System.Threading;
using System.Threading.Tasks;
using Newtonsoft.Json.Linq;
using YunDa.Server.ISMSTcp.Models;

namespace YunDa.Server.ISMSTcp.Interfaces
{

/// <summary>
/// TCP客户端接口
/// </summary>
public interface ITcpClient : IDisposable
{
    /// <summary>
    /// 连接状态
    /// </summary>
    bool IsConnected { get; }

    /// <summary>
    /// TCP响应接收事件
    /// </summary>
    event Func<object, bool>? TcpResponseReceived;

    /// <summary>
    /// TCP消息内容接收事件 - 传递实际的消息内容
    /// </summary>
    event Func<object, bool>? TcpMessageReceived;

    /// <summary>
    /// 连接状态变化事件
    /// </summary>
    event Action<bool, string>? ConnectionStatusChanged;

    /// <summary>
    /// 连接成功事件
    /// </summary>
    event Action? ConnectionSucceeded;

    /// <summary>
    /// 消息接收事件
    /// </summary>
    event Action<string>? MessageReceived;

    /// <summary>
    /// 命令状态变化事件
    /// </summary>
    event Action<CommandState?>? CommandStateChanged;

    /// <summary>
    /// 连接到服务器
    /// </summary>
    /// <param name="ip">IP地址</param>
    /// <param name="port">端口</param>
    /// <param name="cancellationToken">取消令牌</param>
    /// <returns>连接任务</returns>
    Task ConnectAsync(string ip, int port, CancellationToken cancellationToken = default);

    /// <summary>
    /// 发送TCP消息
    /// </summary>
    /// <param name="message">消息内容</param>
    /// <param name="cancellationToken">取消令牌</param>
    /// <returns>发送结果</returns>
    Task<bool> SendMessageAsync(string message, CancellationToken cancellationToken = default);

    /// <summary>
    /// 启动数据处理
    /// </summary>
    /// <param name="cancellationToken">取消令牌</param>
    /// <returns>处理任务</returns>
    Task StartProcessingAsync(CancellationToken cancellationToken = default);

    /// <summary>
    /// 停止处理
    /// </summary>
    /// <returns>停止任务</returns>
    Task StopAsync();

    /// <summary>
    /// 手动重连
    /// </summary>
    /// <param name="cancellationToken">取消令牌</param>
    /// <returns>重连任务</returns>
    Task ReconnectAsync(CancellationToken cancellationToken = default);

    /// <summary>
    /// 确保连接状态，如果断开则尝试重连
    /// </summary>
    /// <param name="cancellationToken">取消令牌</param>
    /// <returns>连接检查任务</returns>
    Task EnsureConnectedAsync(CancellationToken cancellationToken = default);
}
}