// Execute is part of the queryservice.QueryServer interface
func (q *query) Execute(ctx context.Context, request *pb.ExecuteRequest) (response *pb.ExecuteResponse, err error) {
	defer q.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.EffectiveCallerId,
		request.ImmediateCallerId,
	)
	reply := new(mproto.QueryResult)
	bv, err := proto.Proto3ToBindVariables(request.Query.BindVariables)
	if err != nil {
		return nil, tabletserver.ToGRPCError(err)
	}
	if err := q.server.Execute(ctx, request.Target, &proto.Query{
		Sql:           request.Query.Sql,
		BindVariables: bv,
		SessionId:     request.SessionId,
		TransactionId: request.TransactionId,
	}, reply); err != nil {
		return nil, tabletserver.ToGRPCError(err)
	}
	result, err := mproto.QueryResultToProto3(reply)
	if err != nil {
		return nil, tabletserver.ToGRPCError(err)
	}
	return &pb.ExecuteResponse{Result: result}, nil
}

// ExecuteKeyspaceIds is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteKeyspaceIds(ctx context.Context, request *pb.ExecuteKeyspaceIdsRequest) (response *pb.ExecuteKeyspaceIdsResponse, err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	reply := new(proto.QueryResult)
	bv, err := tproto.Proto3ToBindVariables(request.Query.BindVariables)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}
	executeErr := vtg.server.ExecuteKeyspaceIds(ctx,
		string(request.Query.Sql),
		bv,
		request.Keyspace,
		request.KeyspaceIds,
		request.TabletType,
		request.Session,
		request.NotInTransaction,
		reply)
	response = &pb.ExecuteKeyspaceIdsResponse{
		Error: vtgate.RPCErrorToVtRPCError(reply.Err),
	}
	if executeErr != nil {
		return nil, vterrors.ToGRPCError(executeErr)
	}
	response.Result = sqltypes.ResultToProto3(reply.Result)
	response.Session = reply.Session
	return response, nil
}

// ExecuteBatchShards is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteBatchShards(ctx context.Context, request *pb.ExecuteBatchShardsRequest) (response *pb.ExecuteBatchShardsResponse, err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	reply := new(proto.QueryResultList)
	executeErr := vtg.server.ExecuteBatchShards(ctx,
		proto.ProtoToBoundShardQueries(request.Queries),
		request.TabletType,
		request.AsTransaction,
		proto.ProtoToSession(request.Session),
		reply)
	response = &pb.ExecuteBatchShardsResponse{
		Error: vtgate.VtGateErrorToVtRPCError(executeErr, reply.Error),
	}
	if executeErr == nil {
		response.Results = tproto.QueryResultListToProto3(reply.List)
		response.Session = proto.SessionToProto(reply.Session)
		return response, nil
	}
	if *vtgate.RPCErrorOnlyInReply {
		return response, nil
	}
	return nil, executeErr
}

func (s *server) SetMaster(ctx context.Context, request *tabletmanagerdatapb.SetMasterRequest) (*tabletmanagerdatapb.SetMasterResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &tabletmanagerdatapb.SetMasterResponse{}
	return response, s.agent.RPCWrapLockAction(ctx, actionnode.TabletActionSetMaster, request, response, true, func() error {
		return s.agent.SetMaster(ctx, request.Parent, request.TimeCreatedNs, request.ForceStartSlave)
	})
}

func (s *server) SetReadOnly(ctx context.Context, request *tabletmanagerdatapb.SetReadOnlyRequest) (*tabletmanagerdatapb.SetReadOnlyResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &tabletmanagerdatapb.SetReadOnlyResponse{}
	return response, s.agent.RPCWrapLockAction(ctx, actionnode.TabletActionSetReadOnly, request, response, true, func() error {
		return s.agent.SetReadOnly(ctx, true)
	})
}

func (s *server) StartBlp(ctx context.Context, request *tabletmanagerdatapb.StartBlpRequest) (*tabletmanagerdatapb.StartBlpResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &tabletmanagerdatapb.StartBlpResponse{}
	return response, s.agent.RPCWrapLock(ctx, actionnode.TabletActionStartBLP, request, response, true, func() error {
		return s.agent.StartBlp(ctx)
	})
}

func (s *server) InitSlave(ctx context.Context, request *tabletmanagerdatapb.InitSlaveRequest) (*tabletmanagerdatapb.InitSlaveResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &tabletmanagerdatapb.InitSlaveResponse{}
	return response, s.agent.RPCWrapLockAction(ctx, actionnode.TabletActionInitSlave, request, response, true, func() error {
		return s.agent.InitSlave(ctx, request.Parent, request.ReplicationPosition, request.TimeCreatedNs)
	})
}

func (s *server) PopulateReparentJournal(ctx context.Context, request *pb.PopulateReparentJournalRequest) (*pb.PopulateReparentJournalResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &pb.PopulateReparentJournalResponse{}
	return response, s.agent.RPCWrap(ctx, actionnode.TabletActionPopulateReparentJournal, request, response, func() error {
		return s.agent.PopulateReparentJournal(ctx, request.TimeCreatedNs, request.ActionName, topo.ProtoToTabletAlias(request.MasterAlias), myproto.ProtoToReplicationPosition(request.ReplicationPosition))
	})
}

func (s *server) InitSlave(ctx context.Context, request *pb.InitSlaveRequest) (*pb.InitSlaveResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &pb.InitSlaveResponse{}
	return response, s.agent.RPCWrapLockAction(ctx, actionnode.TabletActionInitSlave, request, response, true, func() error {
		return s.agent.InitSlave(ctx, topo.ProtoToTabletAlias(request.Parent), myproto.ProtoToReplicationPosition(request.ReplicationPosition), request.TimeCreatedNs)
	})
}

// BeginExecuteBatch is part of the queryservice.QueryServer interface
func (q *query) BeginExecuteBatch(ctx context.Context, request *querypb.BeginExecuteBatchRequest) (response *querypb.BeginExecuteBatchResponse, err error) {
	defer q.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.EffectiveCallerId,
		request.ImmediateCallerId,
	)
	bql, err := querytypes.Proto3ToBoundQueryList(request.Queries)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}

	results, transactionID, err := q.server.BeginExecuteBatch(ctx, request.Target, bql, request.AsTransaction, request.Options)
	if err != nil {
		// if we have a valid transactionID, return the error in-band
		if transactionID != 0 {
			return &querypb.BeginExecuteBatchResponse{
				Error:         vterrors.VtRPCErrorFromVtError(err),
				TransactionId: transactionID,
			}, nil
		}
		return nil, vterrors.ToGRPCError(err)
	}
	return &querypb.BeginExecuteBatchResponse{
		Results:       sqltypes.ResultsToProto3(results),
		TransactionId: transactionID,
	}, nil
}

// SplitQuery is part of the queryservice.QueryServer interface
func (q *query) SplitQuery(ctx context.Context, request *querypb.SplitQueryRequest) (response *querypb.SplitQueryResponse, err error) {
	defer q.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.EffectiveCallerId,
		request.ImmediateCallerId,
	)

	bq, err := querytypes.Proto3ToBoundQuery(request.Query)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}
	splits := []querytypes.QuerySplit{}
	splits, err = queryservice.CallCorrectSplitQuery(
		q.server,
		request.UseSplitQueryV2,
		ctx,
		request.Target,
		bq.Sql,
		bq.BindVariables,
		request.SplitColumn,
		request.SplitCount,
		request.NumRowsPerQueryPart,
		request.Algorithm)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}
	qs, err := querytypes.QuerySplitsToProto3(splits)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}
	return &querypb.SplitQueryResponse{Queries: qs}, nil
}

// BeginExecute is part of the queryservice.QueryServer interface
func (q *query) BeginExecute(ctx context.Context, request *querypb.BeginExecuteRequest) (response *querypb.BeginExecuteResponse, err error) {
	defer q.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.EffectiveCallerId,
		request.ImmediateCallerId,
	)
	bv, err := querytypes.Proto3ToBindVariables(request.Query.BindVariables)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}

	result, transactionID, err := q.server.BeginExecute(ctx, request.Target, request.Query.Sql, bv)
	if err != nil {
		// if we have a valid transactionID, return the error in-band
		if transactionID != 0 {
			return &querypb.BeginExecuteResponse{
				Error:         vterrors.VtRPCErrorFromVtError(err),
				TransactionId: transactionID,
			}, nil
		}
		return nil, vterrors.ToGRPCError(err)
	}
	return &querypb.BeginExecuteResponse{
		Result:        sqltypes.ResultToProto3(result),
		TransactionId: transactionID,
	}, nil
}

// SplitQuery is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) SplitQuery(ctx context.Context, request *vtgatepb.SplitQueryRequest) (response *vtgatepb.SplitQueryResponse, err error) {

	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	bv, err := querytypes.Proto3ToBindVariables(request.Query.BindVariables)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}
	splits, vtgErr := vtgateservice.CallCorrectSplitQuery(
		vtg.server,
		request.UseSplitQueryV2,
		ctx,
		request.Keyspace,
		string(request.Query.Sql),
		bv,
		request.SplitColumn,
		request.SplitCount,
		request.NumRowsPerQueryPart,
		request.Algorithm)
	if vtgErr != nil {
		return nil, vterrors.ToGRPCError(vtgErr)
	}
	return &vtgatepb.SplitQueryResponse{
		Splits: splits,
	}, nil
}

// ExecuteBatch is part of the queryservice.QueryServer interface
func (q *query) ExecuteBatch(ctx context.Context, request *pb.ExecuteBatchRequest) (response *pb.ExecuteBatchResponse, err error) {
	defer q.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.EffectiveCallerId,
		request.ImmediateCallerId,
	)
	reply := new(proto.QueryResultList)
	bql, err := proto.Proto3ToBoundQueryList(request.Queries)
	if err != nil {
		return nil, tabletserver.ToGRPCError(err)
	}
	if err := q.server.ExecuteBatch(ctx, request.Target, &proto.QueryList{
		Queries:       bql,
		SessionId:     request.SessionId,
		AsTransaction: request.AsTransaction,
		TransactionId: request.TransactionId,
	}, reply); err != nil {
		return nil, tabletserver.ToGRPCError(err)
	}
	results, err := proto.QueryResultListToProto3(reply.List)
	if err != nil {
		return nil, tabletserver.ToGRPCError(err)
	}
	return &pb.ExecuteBatchResponse{Results: results}, nil
}

func (s *server) TabletExternallyReparented(ctx context.Context, request *tabletmanagerdatapb.TabletExternallyReparentedRequest) (*tabletmanagerdatapb.TabletExternallyReparentedResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &tabletmanagerdatapb.TabletExternallyReparentedResponse{}
	return response, s.agent.RPCWrapLock(ctx, actionnode.TabletActionExternallyReparented, request, response, false, func() error {
		return s.agent.TabletExternallyReparented(ctx, request.ExternalId)
	})
}

func (s *server) RunHealthCheck(ctx context.Context, request *tabletmanagerdatapb.RunHealthCheckRequest) (response *tabletmanagerdatapb.RunHealthCheckResponse, err error) {
	defer s.agent.HandleRPCPanic(ctx, "RunHealthCheck", request, response, false /*verbose*/, &err)
	ctx = callinfo.GRPCCallInfo(ctx)
	response = &tabletmanagerdatapb.RunHealthCheckResponse{}
	s.agent.RunHealthCheck(ctx)
	return response, nil
}

func (s *server) WaitBlpPosition(ctx context.Context, request *tabletmanagerdatapb.WaitBlpPositionRequest) (*tabletmanagerdatapb.WaitBlpPositionResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &tabletmanagerdatapb.WaitBlpPositionResponse{}
	return response, s.agent.RPCWrapLock(ctx, actionnode.TabletActionWaitBLPPosition, request, response, true, func() error {
		return s.agent.WaitBlpPosition(ctx, request.BlpPosition, time.Duration(request.WaitTimeout))
	})
}

func (s *server) Sleep(ctx context.Context, request *tabletmanagerdatapb.SleepRequest) (response *tabletmanagerdatapb.SleepResponse, err error) {
	defer s.agent.HandleRPCPanic(ctx, "Sleep", request, response, true /*verbose*/, &err)
	ctx = callinfo.GRPCCallInfo(ctx)
	response = &tabletmanagerdatapb.SleepResponse{}
	s.agent.Sleep(ctx, time.Duration(request.Duration))
	return response, nil
}

func (s *server) PopulateReparentJournal(ctx context.Context, request *tabletmanagerdatapb.PopulateReparentJournalRequest) (*tabletmanagerdatapb.PopulateReparentJournalResponse, error) {
	ctx = callinfo.GRPCCallInfo(ctx)
	response := &tabletmanagerdatapb.PopulateReparentJournalResponse{}
	return response, s.agent.RPCWrap(ctx, actionnode.TabletActionPopulateReparentJournal, request, response, func() error {
		return s.agent.PopulateReparentJournal(ctx, request.TimeCreatedNs, request.ActionName, request.MasterAlias, request.ReplicationPosition)
	})
}

// StreamExecute is part of the queryservice.QueryServer interface
func (q *query) StreamExecute(request *pb.StreamExecuteRequest, stream pbs.Query_StreamExecuteServer) (err error) {
	defer q.server.HandlePanic(&err)
	ctx := callerid.NewContext(callinfo.GRPCCallInfo(stream.Context()),
		request.GetEffectiveCallerId(),
		request.GetImmediateCallerId(),
	)
	seErr := q.server.StreamExecute(ctx, &proto.Query{
		Sql:           string(request.Query.Sql),
		BindVariables: proto.Proto3ToBindVariables(request.Query.BindVariables),
		SessionId:     request.SessionId,
	}, func(reply *mproto.QueryResult) error {
		return stream.Send(&pb.StreamExecuteResponse{
			Result: mproto.QueryResultToProto3(reply),
		})
	})
	if seErr != nil {
		response := &pb.StreamExecuteResponse{
			Error: tabletserver.TabletErrorToRPCError(seErr),
		}
		if err := stream.Send(response); err != nil {
			return err
		}
	}
	return nil
}