// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package datanode

import (
	"context"

	"github.com/milvus-io/milvus/pkg/mq/msgstream"
	"github.com/milvus-io/milvus/pkg/util/typeutil"
	"go.opentelemetry.io/otel"
	"go.opentelemetry.io/otel/trace"
)

type (
	// UniqueID is type int64
	UniqueID = typeutil.UniqueID

	// Timestamp is type uint64
	Timestamp = typeutil.Timestamp

	// IntPrimaryKey is type int64
	IntPrimaryKey = typeutil.IntPrimaryKey

	// DSL is type string
	DSL = string
)

// TimeRange is a range of timestamp contains the min-timestamp and max-timestamp
type TimeRange struct {
	timestampMin Timestamp
	timestampMax Timestamp
}

func startTracer(msg msgstream.TsMsg, name string) (context.Context, trace.Span) {
	ctx := msg.TraceCtx()
	if ctx == nil {
		ctx = context.Background()
	}
	sp := trace.SpanFromContext(ctx)
	if sp.SpanContext().IsValid() {
		return ctx, sp
	}
	return otel.Tracer(typeutil.DataNodeRole).Start(ctx, name)
}