package utils

import (
	"strings"

	"github.com/deluan/sanitize"
	"github.com/navidrome/navidrome/conf"
)

func NoArticle(name string) string {
	articles := strings.Split(conf.Server.IgnoredArticles, " ")
	for _, a := range articles {
		n := strings.TrimPrefix(name, a+" ")
		if n != name {
			return n
		}
	}
	return name
}

func LongestCommonPrefix(list []string) string {
	if len(list) == 0 {
		return ""
	}

	for l := 0; l < len(list[0]); l++ {
		c := list[0][l]
		for i := 1; i < len(list); i++ {
			if l >= len(list[i]) || list[i][l] != c {
				return list[i][0:l]
			}
		}
	}
	return list[0]
}

func SanitizeFieldForSorting(originalValue string) string {
	v := strings.TrimSpace(sanitize.Accents(originalValue))
	return strings.ToLower(v)
}

func SanitizeFieldForSortingNoArticle(originalValue string) string {
	v := strings.TrimSpace(sanitize.Accents(originalValue))
	return strings.ToLower(NoArticle(v))
}