package devstatscode

import (
	"strings"

	"golang.org/x/text/transform"
	"golang.org/x/text/unicode/norm"
)

// StripUnicode strip non-unicode and control characters from a string
// From: https://rosettacode.org/wiki/Strip_control_codes_and_extended_characters_from_a_string#Go
func StripUnicode(str string) string {
	isOk := func(r rune) bool {
		return r < 32 || r >= 127
	}
	t := transform.Chain(norm.NFKD, transform.RemoveFunc(isOk))
	str, _, _ = transform.String(t, str)
	return str
}

// NormalizeName - clean DB string from ", ', -, /, ., " ",), (, ], [ trim leading and trailing space, lowercase
// Normalize Unicode characters
func NormalizeName(str string) string {
	r := strings.NewReplacer(
		"-", "", "/", "", ".", "", " ", "", ",", "", ";", "", ":", "", "`", "", "(", "", ")", "", "[", "", "]", "", "<", "", ">", "", "_", "", "\"", "", "'", "",
	)
	return r.Replace(strings.ToLower(strings.TrimSpace(StripUnicode(str))))
}