package daemon

import (
	"log/slog"
	"os"
	"os/signal"
	"syscall"
)

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

	slog.Debug("Signal caught", "signal", s.String())

	return s
}

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