// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (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 observability

import (
	"github.com/apache/skywalking-banyandb/pkg/meter"
	"github.com/apache/skywalking-banyandb/pkg/run"
)

// BypassRegistry is a MetricsRegistry that does not collect any metrics.
var BypassRegistry = NewBypassRegistry()

type bypassRegistry struct{}

// NewBypassRegistry creates a new instance of bypassMetricsRegistry.
func NewBypassRegistry() MetricsRegistry {
	return &bypassRegistry{}
}

func (b *bypassRegistry) Name() string {
	return "bypass-metrics-registry"
}

func (b *bypassRegistry) Serve() run.StopNotify {
	return nil
}

func (b *bypassRegistry) GracefulStop() {
}

func (b *bypassRegistry) With(_ meter.Scope) *Factory {
	return &Factory{}
}

func (b *bypassRegistry) NativeEnabled() bool {
	return false
}
