// Copyright © 2019 Banzai Cloud
//
// Licensed 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 tracing

import "context"

type noOpTracer struct {
}

func (*noOpTracer) StartAndLink(parentCtx context.Context, name string) (context.Context, *CiSpan) {
	return parentCtx, nil
}

func (*noOpTracer) EndSpanInstance(span *CiSpan) {
	// do noting
}

func (*noOpTracer) StartSpan(ctx context.Context, name string) (context.Context, *CiSpan) {
	return ctx, nil
}

func (*noOpTracer) StartWithTags(ctx context.Context, name string, tags map[string]interface{}) (context.Context, *CiSpan) {
	return ctx, nil
}

func (*noOpTracer) EndSpan(ctx context.Context) {
}

func NewNoOpTracer() Tracer {
	return &noOpTracer{}
}
