using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


using ServerCore;
using ServerBase;
using ServerCommon;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.GetReceivedFriendRequestListReq), typeof(GetReceivedFriendRequestsPacketHandler), typeof(GameLoginListener))]
public class GetReceivedFriendRequestsPacketHandler : PacketRecvHandler
{
    public override async Task<Result> onProcessPacket(ISession session, IMessage recvMessage)
    {
        var result = new Result();
        var owner = session as Player;
        NullReferenceCheckHelper.throwIfNull(owner, () => $"Player is null !!!");

        var server_logic = GameServerApp.getServerLogic();
        FriendReqCacheRequest cache = new FriendReqCacheRequest(owner, owner.getUserGuid(), "", server_logic.getRedisConnector());

        var infos = await cache.getReceivedFriendRequests();

        await send_GS2C_ACK_RECEIVED_FRIEND_REQUEST(owner, result, infos);

        return result;
    }

    public static async Task<Result> send_GS2C_ACK_RECEIVED_FRIEND_REQUEST(Player owner, Result result, List<FriendRequestCache> friendRquests)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();
        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.GetReceivedFriendRequestListRes = new();


        foreach (var request in friendRquests)
        {
            
            FriendRequestInfo info = new();
            var (nick_result, nick_attrib ) = await NicknameDoc.findNicknameFromGuid(request.m_sender_guid);
            if (nick_result.isFail() || null == nick_attrib)
            {
                info.NickName = string.Empty;
            }
            else
            {
                info.NickName = nick_attrib.Nickname;
            }
            info.RequestTime = Timestamp.FromDateTime(request.m_request_time);
            info.Guid = request.m_sender_guid;
            info.IsNew = request.m_is_new;
            ack_packet.Response.GetReceivedFriendRequestListRes.RequestList.Add(info);
        }
        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            string err_msg = $"send_GS2C_ACK_RECEIVED_FRIEND_REQUEST Fail !!! : owner:{owner.toBasicString()}";
            result.setFail(ServerErrorCode.ProudNetException, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        return result;
    }

}