import { Router, Request, Response } from "express";
import { route } from "@fosscord/api";
import { BackupCode, generateMfaBackupCodes, User } from "@fosscord/util";

const router = Router();

export interface CodesVerificationSchema {
	key: string;
	nonce: string;
	regenerate?: boolean;
}

router.post("/", route({ body: "CodesVerificationSchema" }), async (req: Request, res: Response) => {
	const { key, nonce, regenerate } = req.body as CodesVerificationSchema;

	// TODO: We don't have email/etc etc, so can't send a verification code.
	// Once that's done, this route can verify `key`

	const user = await User.findOneOrFail({ where: { id: req.user_id } });

	var codes: BackupCode[];
	if (regenerate) {
		await BackupCode.update(
			{ user: { id: req.user_id } },
			{ expired: true }
		);

		codes = generateMfaBackupCodes(req.user_id);
		await Promise.all(codes.map(x => x.save()));
	}
	else {
		codes = await BackupCode.find({
			where: {
				user: {
					id: req.user_id,
				},
				expired: false,
			}
		});
	}

	return res.json({
		backup_codes: codes.map(x => ({ ...x, expired: undefined })),
	});
});

export default router;