package metric

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

// Register Here, we must decide pusher/exporter which we use
// it's very important, note: var/init/func init sort
// keep, when a git rep, not only a service or job
// collector will mixed with Push And Registered for pull
// So register with pull and add for push collector must control in one place
// then we can use conf to switch
// avoid collector duplicate
// we don't use must register, to avoid panic
func Register(cs ...prometheus.Collector) {
	if defaultPusher == nil {
		// register by exporter
		for _, mv := range cs {
			prometheus.Register(mv)
		}
	} else {
		// register by pusher
		for _, mv := range cs {
			defaultPusher.Collector(mv).Add()
		}
	}
}