package site

import "strings"

func (s Site) PublicURL(lang string, slug string) *string {
	if s.PublicURLPattern == nil || lang == "" {
		return nil
	}
	filled := strings.NewReplacer(LangPlaceholder, lang, SlugPlaceholder, slug).Replace(*s.PublicURLPattern)
	return &filled
}

func (s Site) ArticleURL(lang string, slug string) (string, bool) {
	if localized := s.PublicURL(lang, slug); localized != nil {
		return *localized, true
	}
	return s.LegacyURL(slug), false
}

func (s Site) LegacyURL(slug string) string {
	return s.BaseURL + "/" + slug
}