package logging

import (
	"log"
	"os"
)

/*
ToLog returns a stdlib *log.Logger from a logging.Logger. It simply wraps the (logging.Logger).ToLogger() methods.

prio is an OR'd logPrio of the Priority* constants.
*/
func ToLog(l Logger, prio logPrio) (stdLibLog *log.Logger) {

	stdLibLog = l.ToLogger(prio)

	return
}

// ToRaw returns a *logWriter from a logging.Logger. It is an alternative to the (logging.Logger).ToRaw() methods.
func ToRaw(l Logger, prio logPrio) (raw *logWriter) {

	raw = &logWriter{
		backend: l,
		prio:    prio,
	}

	return
}

// testOpen attempts to open a file for writing to test for suitability as a LogFile path.
func testOpen(path string) (success bool, err error) {

	var f *os.File

	// Example #2, https://golang.org/pkg/os/#OpenFile
	if f, err = os.OpenFile(path, appendFlags, logPerm); err != nil {
		return
	}
	if err = f.Close(); err != nil {
		return
	}

	success = true

	return
}