using System.Collections.Generic;
using XWorld.Framework;
using XWorld.Framework.Protocol;
using XWorld.Server.Host;

namespace XWorld.Server.Gateway
{
    // 房间广播 → 解析各玩家当前连接（重连后自动指向新连接）→ 包成 Game 通道帧入对应出站队列
    public sealed class RoomOutputSink : IRoomOutput
    {
        private readonly string _roomId; // 保留作诊断/日志标识
        private readonly IReadOnlyList<int> _players;
        private readonly SessionManager _sessions;

        public RoomOutputSink(string roomId, IReadOnlyList<int> players, SessionManager sessions)
        {
            _roomId = roomId; _players = players; _sessions = sessions;
        }

        public void Broadcast(NetMessage message)
        {
            byte[] frame = FrameCodec.Encode(new Frame(Channel.Game, message.Opcode, message.Payload));
            foreach (var pid in _players)
                _sessions.GetConnection(pid)?.Send(frame);
        }

        public void SendTo(int playerId, NetMessage message)
        {
            var conn = _sessions.GetConnection(playerId);
            if (conn != null)
                conn.Send(FrameCodec.Encode(new Frame(Channel.Game, message.Opcode, message.Payload)));
        }
    }
}