package tool

import (
	"strings"

	"github.com/mozillazg/go-pinyin"
)

func ToPinYin(hans string, sep string) string {
	a := pinyin.NewArgs()
	tmp := pinyin.Pinyin(hans, a)
	result := make([]string, 0)
	for i := range tmp {
		result = append(result, tmp[i]...)
	}
	py := strings.Join(result, sep)
	if len(py) == 0 {
		return strings.ToLower(hans)
	}
	return py
}