package env

import (
	"os"
	"strconv"
	"time"
)

// Get an environment variable as a time.Duration, specifying a default value if its
// not set or can't be parsed properly
func Duration(key string, defaultValue time.Duration) time.Duration {
	val, exists := os.LookupEnv(key)
	if !exists {
		return time.Duration(defaultValue)
	}

	intVal, err := strconv.Atoi(val)
	if err != nil {
		return time.Duration(defaultValue)
	}
	return time.Duration(intVal)

}