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


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;


using static ClientToGameReq.Types;
using static ClientToGameRes.Types;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.EnterMyHomeReq), typeof(EnterMyhomePacketHandler), typeof(GameLoginListener))]
internal class EnterMyhomePacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_ENTER_MYHOME(Player owner, Result result, ServerConnectInfo? serverConnectInfo)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.EnterMyHomeRes = new();

        if (result.isSuccess() && serverConnectInfo != null)
        {
            ack_packet.Response.EnterMyHomeRes.InstanceServerAddr = serverConnectInfo.ServerAddr;
            ack_packet.Response.EnterMyHomeRes.InstanceServerPort = serverConnectInfo.ServerPort;
            ack_packet.Response.EnterMyHomeRes.Otp = serverConnectInfo.Otp;
            ack_packet.Response.EnterMyHomeRes.RoomId = serverConnectInfo.RoomId;
            ack_packet.Response.EnterMyHomeRes.MyhomeInfo = serverConnectInfo.MyhomeInfo;
        }

        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            return false;
        }

        return true;
    }

    public override async Task<Result> onProcessPacket(ISession entityWithSession, Google.Protobuf.IMessage recvMessage)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var player = entityWithSession as Player;
        NullReferenceCheckHelper.throwIfNull(player, () => $"entity_player is null !!!");

        var server_logic = GameServerApp.getServerLogic();

        var req_msg = recvMessage as ClientToGame;
        NullReferenceCheckHelper.throwIfNull(req_msg, () => $"req_msg is null !!! - {player.toBasicString()}");

        var request = req_msg.Request.EnterMyHomeReq;

        var game_zone_move_action = player.getEntityAction<GameZoneMoveAction>();
        NullReferenceCheckHelper.throwIfNull(game_zone_move_action, () => $"game_zone_move_action is null !!! - {player.toBasicString()}");

        var fn_transaction_runner = async delegate ()
        {
            var result = new Result();

            (result, var nickname_attrib) = await NicknameHelper.findNickname(request.MyhomeOwnerNickname);
            if (result.isFail())
            {
                err_msg = $"Failed to findNickname() !!! : nickname:{request.MyhomeOwnerNickname}, {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_S2C_ACK_ENTER_MYHOME(player, result, null);
                return result;
            }
            NullReferenceCheckHelper.throwIfNull(nickname_attrib, () => $"nickname_attrib is null !!! - {player.toBasicString()}");

            (result, var server_connect_info, var business_logs) = await game_zone_move_action.tryEnterMyhome(nickname_attrib.UserGuid);
            if (result.isFail())
            {
                err_msg = $"Failed to tryEnterMyhome() !!! : {result.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_S2C_ACK_ENTER_MYHOME(player, result, null);
                return result;
            }
            NullReferenceCheckHelper.throwIfNull(server_connect_info, () => $"server_connect_info is null !!! - {player.toBasicString()}");
            NullReferenceCheckHelper.throwIfNull(business_logs, () => $"business_logs is null !!! - {player.toBasicString()}");

            var batch = new QueryBatchEx<QueryRunnerWithDocument>(player, LogActionType.EnterMyhome, server_logic.getDynamoDbClient());
            {
                batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
                batch.addQuery(new QueryFinal());
            }

            batch.appendBusinessLogs(business_logs);

            result = await QueryHelper.sendQueryAndBusinessLog(batch);
            if (result.isFail())
            {
                err_msg = $"Failed to sendQueryAndBusinessLog() !!! : {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_S2C_ACK_ENTER_MYHOME(player, result, null);
                return result;
            }

            send_S2C_ACK_ENTER_MYHOME(player, result, server_connect_info);

            return result;
        };

        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "EnterMyhome", fn_transaction_runner);
        if (result.isFail())
        {
            err_msg = $"Failed to runTransactionRunnerSafely() !!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);
        }

        return result;
    }
}