package protocol

import (
	"regexp"
)

// var validTopicChannelNameRegex = regexp.MustCompile(`^[\.a-zA-Z0-9_-]+(#ephemeral)?$`)
var validTopicChannelNameRegex = regexp.MustCompile("^[\u4e00-\u9fa5a-zA-Z0-9_-]+(#ephemeral)?$")

// IsValidTopicName checks a topic name for correctness
func IsValidTopicName(name string) bool {
	return isValidName(name)
}

// IsValidChannelName checks a channel name for correctness
func IsValidChannelName(name string) bool {
	return isValidName(name)
}

func isValidName(name string) bool {
	if len(name) > 64 || len(name) < 1 {
		return false
	}
	return validTopicChannelNameRegex.MatchString(name)
}