package input

import (
	"fmt"
	"strings"
)

// YesOrNo ask user for a yes or no reply and try until we get a possible answer.
func YesOrNo() bool {

	value := Ask(true, func(in string) (string, error) {
		lUserInput := strings.ToLower(in)

		for _, positiveAnswer := range []string{"yes", "y", "1", "true"} {
			if lUserInput == positiveAnswer {
				return "y", nil
			}
		}
		for _, negativeAnswer := range []string{"no", "n", "0", "false"} {
			if lUserInput == negativeAnswer {
				return "n", nil
			}
		}

		return "", fmt.Errorf("expecting a yes or no answer, try again")
	})

	return value == "y"
}