// Copyright 2022 The Prometheus Authors
// 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.

//go:build !nonetclass && linux
// +build !nonetclass,linux

package collector

import (
	"github.com/prometheus/client_golang/prometheus"
)

func pushMetric(ch chan<- prometheus.Metric, fieldDesc *prometheus.Desc, name string, value interface{}, valueType prometheus.ValueType, labelValues ...string) {
	var fVal float64
	switch val := value.(type) {
	case uint8:
		fVal = float64(val)
	case uint16:
		fVal = float64(val)
	case uint32:
		fVal = float64(val)
	case uint64:
		fVal = float64(val)
	case int64:
		fVal = float64(val)
	case *uint8:
		if val == nil {
			return
		}
		fVal = float64(*val)
	case *uint16:
		if val == nil {
			return
		}
		fVal = float64(*val)
	case *uint32:
		if val == nil {
			return
		}
		fVal = float64(*val)
	case *uint64:
		if val == nil {
			return
		}
		fVal = float64(*val)
	case *int64:
		if val == nil {
			return
		}
		fVal = float64(*val)
	default:
		return
	}

	ch <- prometheus.MustNewConstMetric(fieldDesc, valueType, fVal, labelValues...)
}