package daemon

import (
	"os"
	"os/signal"
	"syscall"

	"github.com/rs/zerolog/log"
)

var (
	Interrupt           = os.Interrupt
	Quit      os.Signal = syscall.SIGQUIT
	Terminate os.Signal = syscall.SIGTERM
)

// WaitForSignal waits until one of the specified signals are received.
func WaitForSignal(sig ...os.Signal) os.Signal {
	ch := make(chan os.Signal, 1)
	signal.Notify(ch, sig...)
	s := <-ch

	log.Debug().
		Str("signal", s.String()).
		Msg("Signal caught")

	return s
}

// WaitForSignalsDefault waits until one of SIGINT, SIGQUIT or SIGTERM is received.
func WaitForSignalsDefault() {
	WaitForSignal(Interrupt, Quit, Terminate)
}