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


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


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.ChangeFriendOrderReq), typeof(ChangeFriendOrderPacketHandler), typeof(GameLoginListener))]
public class ChangeFriendOrderPacketHandler : PacketRecvHandler
{
    public override async Task<Result> onProcessPacket(ISession session, IMessage recvMessage)
    {
        var owner = session as Player;
        NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
        var recv_msg = recvMessage as ClientToGame;
        NullReferenceCheckHelper.throwIfNull(recv_msg, () => $"recv_msg is null !!!");
        var request = recv_msg.Request.ChangeFriendOrderReq;
        var order_type = request.OrderType;

        var friend_folder_action = owner.getEntityAction<FriendFolderAction>();

        var result = await owner.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "HoldFriendFolder", delegateChangeFriendOrder);
        if (result.isFail())
        {
            send_GS2C_ACK_CHANGE_FRIEND_ORDER(owner, result);
            return result;
        }

        send_GS2C_ACK_CHANGE_FRIEND_ORDER(owner, result);

        return result;


        async Task<Result> delegateChangeFriendOrder() => await changeFriendOrder(owner, order_type);
    }

    private async Task<Result> changeFriendOrder(Player owner, Int32 orderType)
    {
        var friend_folder_action = owner.getEntityAction<FriendFolderAction>();
        var result = friend_folder_action.changeOrderType(orderType);

        var server_logic = GameServerApp.getServerLogic();
        var batch = new QueryBatchEx<QueryRunnerWithDocument>(owner, LogActionType.None, server_logic.getDynamoDbClient());
        {
            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
        }
        result = await QueryHelper.sendQueryAndBusinessLog(batch);

        return result;

    }


        private static bool send_GS2C_ACK_CHANGE_FRIEND_ORDER(Player owner, Result result)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

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

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