const MIN_LENGTH = 4
const MAX_LENGTH = 63

export function serializeID(input: string): string {
	const normalized = input
		.trim()
		.normalize("NFD")
		.replace(/\p{M}/gu, "")
		.toLowerCase()
		.replace(/[^a-z0-9]+/g, "-")
		.replace(/^-+|-+$/g, "")

	const truncated =
		normalized.length > MAX_LENGTH ? normalized.slice(0, MAX_LENGTH).replace(/-+$/, "") : normalized

	if (truncated.length < MIN_LENGTH) {
		throw new Error(
			`Cannot serialize "${input}" to a repository ID: result must be between ${MIN_LENGTH} and ${MAX_LENGTH} characters.`,
		)
	}

	return truncated
}