/*
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
    http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package env

import (
	"os"
	"strconv"
)

// WithDefaultInt returns the int value of the supplied environment variable or, if not present,
// the supplied default value. If the int conversion fails, returns the default
func WithDefaultInt(key string, def int) *int {
	val, ok := os.LookupEnv(key)
	if !ok {
		return &def
	}
	i, err := strconv.Atoi(val)
	if err != nil {
		return &def
	}
	return &i
}

// WithDefaultString returns the string value of the supplied environment variable or, if not present,
// the supplied default value.
func WithDefaultString(key string, def string) *string {
	val, ok := os.LookupEnv(key)
	if !ok {
		return &def
	}
	return &val
}