import { randomUUID } from "node:crypto";

/**
 * Build the SSO ticket exactly like AtomCMS's User::ssoTicket():
 *   $hotelName = Str::replace(' ', '', setting('hotel_name'));
 *   sprintf('%s-%s', $hotelName, Str::uuid());
 * i.e. the hotel name with ALL spaces removed, a dash, then a v4 UUID.
 * The emulator validates this exact value when the Nitro/Flash client connects.
 */
export function generateSsoTicket(hotelName: string): string {
	const normalized = hotelName.replace(/ /g, "");
	return `${normalized}-${randomUUID()}`;
}

/** Minimal shape of the Prisma client this needs (keeps it unit-testable). */
export interface SsoUserUpdater {
	user: {
		update(args: {
			where: { id: number };
			data: { authTicket: string; ipCurrent: string };
		}): Promise<unknown>;
	};
}

/**
 * Generate a ticket and persist it like AtomCMS: writes auth_ticket AND
 * ip_current on the user, then returns the ticket for the client launcher.
 */
export async function issueSsoTicket(
	db: SsoUserUpdater,
	userId: number,
	hotelName: string,
	ip: string,
): Promise<string> {
	const ticket = generateSsoTicket(hotelName);
	await db.user.update({
		where: { id: userId },
		data: { authTicket: ticket, ipCurrent: ip },
	});
	return ticket;
}