package utils

import (
	"regexp"
	"strings"
)

var nonAlphanumericRegexp = regexp.MustCompile(`[^a-z0-9]+`)

// UnderscoreString mengubah string judul/nama menjadi format_ular (misal: "Evolusi Mega" -> "evolusi_mega")
func UnderscoreString(s string) string {
	s = strings.ToLower(strings.TrimSpace(s))
	s = strings.ReplaceAll(s, "&", "and")
	s = nonAlphanumericRegexp.ReplaceAllString(s, "_")
	s = strings.Trim(s, "_")
	if s == "" {
		s = "underscore_string"
	}
	return s
}

func Slugify(s string) string {
	s = strings.ToLower(strings.TrimSpace(s))
	s = strings.ReplaceAll(s, "&", "and")
	s = nonAlphanumericRegexp.ReplaceAllString(s, "-")
	s = strings.Trim(s, "-")
	if s == "" {
		s = "slugify"
	}
	return s
}