package client

import (
	"fmt"
	"strconv"
	"strings"

	"github.com/gosimple/slug"
)

// Value from ohwm
type Value struct {
	Hardware []Hardware
	Unit     Sensor
	Label    string
	Value    string
}

// Float64 gets value as float64
func (v *Value) Float64() float64 {
	val := strings.Split(v.Value, " ")
	if len(val) == 0 {
		return 0
	}
	ret, err := strconv.ParseFloat(val[0], 64)
	if err != nil {
		return 0
	}
	return ret
}

// MetricName returns value as a metric name
func (v *Value) MetricName() string {
	segments := []string{"ohwm"}
	for _, hw := range v.Hardware {
		metricname, ok := hardwareToMetric[hw.Type]
		if !ok {
			metricname = hardwareToMetric[UnknownHardware]
		}
		segments = append(segments, metricname)
		if hw.TypeCount > 1 {
			segments = append(segments, fmt.Sprintf("%d", hw.TypeIndex))
		}
	}

	sensorname, ok := sensorToMetric[v.Unit]
	if !ok {
		sensorname = sensorToMetric[UnknownSensor]
	}
	segments = append(segments, sensorname)

	sluglabel := slug.Make(v.Label)
	segments = append(segments, sluglabel)

	ret := strings.Join(segments, "_")
	return strings.ReplaceAll(ret, "-", "_")
}