package hlog

import (
	"github.com/pkg/errors"
	"github.com/rs/zerolog"
)

type Level = zerolog.Level

// Takes a log level as string and converts it to a Level interface.
// If the string is not a valid input it will return InfoLevel
// Valid levels: trace, debug, info, warn, error, fatal, panic
func LogLevel(level string) (Level, error) {
	levels := map[string]zerolog.Level{
		"trace": zerolog.TraceLevel,
		"debug": zerolog.DebugLevel,
		"info":  zerolog.InfoLevel,
		"warn":  zerolog.WarnLevel,
		"error": zerolog.ErrorLevel,
		"fatal": zerolog.FatalLevel,
		"panic": zerolog.PanicLevel,
	}
	logLevel, valid := levels[level]
	if !valid {
		return 0, errors.New("Invalid log level specified.")
	}
	return logLevel, nil
}