using System.Net.Sockets;
using WIDESEAWCS_QuartzJob;
using WIDESEAWCS_Tasks.Workflow.Abstractions;

namespace WIDESEAWCS_Tasks.SocketServer
{
    /// <summary>
    /// TcpSocketServer 的网关实现
    /// </summary>
    /// <remarks>
    /// 实现 ISocketClientGateway 接口，将底层 TCP 通信细节封装。
    /// 使业务层不直接依赖 TcpSocketServer，便于单元测试和替换实现。
    /// </remarks>
    public class SocketClientGateway : ISocketClientGateway
    {
        /// <summary>
        /// TCP Socket 服务器实例
        /// </summary>
        private readonly TcpSocketServer _tcpSocket;

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="tcpSocket">TCP Socket 服务器实例</param>
        public SocketClientGateway(TcpSocketServer tcpSocket)
        {
            _tcpSocket = tcpSocket;
        }

        /// <summary>
        /// 异步发送消息到指定客户端
        /// </summary>
        /// <param name="clientId">目标客户端 ID</param>
        /// <param name="message">消息内容</param>
        /// <returns>发送是否成功</returns>
        public Task<bool> SendToClientAsync(string clientId, string message)
        {
            return _tcpSocket.SendToClientAsync(clientId, message);
        }

        /// <summary>
        /// 通过 TcpClient 发送消息
        /// </summary>
        /// <param name="client">TCP 客户端连接</param>
        /// <param name="message">消息内容</param>
        public Task SendMessageAsync(TcpClient client, string message)
        {
            return _tcpSocket.SendMessageAsync(client, message);
        }

        /// <summary>
        /// 获取所有已连接客户端 ID
        /// </summary>
        /// <returns>客户端 ID 列表</returns>
        public IReadOnlyList<string> GetClientIds()
        {
            return _tcpSocket.GetClientIds();
        }

        /// <summary>
        /// 处理客户端连接的消息循环
        /// </summary>
        /// <param name="client">TCP 客户端连接</param>
        /// <param name="clientId">客户端 ID</param>
        /// <param name="cancellationToken">取消令牌</param>
        /// <param name="robotCrane">机器人状态</param>
        /// <returns>任务</returns>
        public Task HandleClientAsync(TcpClient client, string clientId, CancellationToken cancellationToken, RobotSocketState robotCrane)
        {
            return _tcpSocket.HandleClientAsync(client, clientId, cancellationToken, robotCrane);
        }
    }
}