package author

import "strconv"

const DeletedName = "Deleted user"

const DeletedSlugPrefix = "deleted-user-"

func DeletedSlug(id uint32) string {
	return DeletedSlugPrefix + strconv.FormatUint(uint64(id), 10)
}

func DeletedSlugAttempt(id uint32, attempt int) string {
	if attempt <= 1 {
		return DeletedSlug(id)
	}
	return DeletedSlug(id) + "-" + strconv.Itoa(attempt)
}

func IsReservedSlug(candidate string) bool {
	return len(candidate) >= len(DeletedSlugPrefix) && candidate[:len(DeletedSlugPrefix)] == DeletedSlugPrefix
}

func avoidReserved(candidate string) string {
	if IsReservedSlug(candidate) {
		return FallbackSlug + "-" + candidate
	}
	return candidate
}