package shared

import (
	"strings"

	"git.mstar.dev/mstar/goutils/sliceutils"
)

var forbiddenUsernames = []string{
	"server.actor",
	"feed",
}

// Reports whether a given user name is valid (for non-internal systems)
//
// TODO: Include compat check for Mastodon?
func ValidateUsername(username string) bool {
	if strings.HasSuffix(username, FeedUsernameSuffix) {
		return false
	}
	if sliceutils.Contains(forbiddenUsernames, username) {
		return false
	}
	return true
}