pocket-id/frontend/src/lib/utils/error-util.ts

import { m } from '$lib/paraglide/messages';
import { WebAuthnError } from '@simplewebauthn/browser';
import { AxiosError } from 'axios';
import { toast } from 'svelte-sonner';

export function getAxiosErrorMessage(
	e: unknown,
	defaultMessage: string = m.an_unknown_error_occurred()
) {
	let message = defaultMessage;
	if (e instanceof AxiosError) {
		message = e.response?.data.error || message;
	}
	return message;
}

export function axiosErrorToast(
	e: unknown,
	defaultMessage: string = m.an_unknown_error_occurred()
) {
	const message = getAxiosErrorMessage(e, defaultMessage);
	toast.error(message);
}

export function getWebauthnErrorMessage(e: unknown) {
	const errors = {
		ERROR_CEREMONY_ABORTED: m.authentication_process_was_aborted(),
		ERROR_AUTHENTICATOR_GENERAL_ERROR: m.error_occurred_with_authenticator(),
		ERROR_AUTHENTICATOR_MISSING_DISCOVERABLE_CREDENTIAL_SUPPORT:
			m.authenticator_does_not_support_discoverable_credentials(),
		ERROR_AUTHENTICATOR_MISSING_RESIDENT_KEY_SUPPORT:
			m.authenticator_does_not_support_resident_keys(),
		ERROR_AUTHENTICATOR_PREVIOUSLY_REGISTERED: m.passkey_was_previously_registered(),
		ERROR_AUTHENTICATOR_NO_SUPPORTED_PUBKEYCREDPARAMS_ALG:
			m.authenticator_does_not_support_any_of_the_requested_algorithms(),
		ERROR_INVALID_DOMAIN: `${m.webauthn_error_invalid_domain()} ${m.contact_administrator_to_fix()}`,
		ERROR_INVALID_RP_ID: `${m.webauthn_error_invalid_rp_id()} ${m.contact_administrator_to_fix()}`,
		NotSupportedError: m.webauthn_not_supported_by_browser(),
		NotAllowedError: m.webauthn_operation_not_allowed_or_timed_out()
	};

	let message: string = m.an_unknown_error_occurred();
	if (e instanceof WebAuthnError && e.code in errors) {
		message = errors[e.code as keyof typeof errors];
	} else if (e instanceof WebAuthnError && e.cause instanceof Error && e.cause.name in errors) {
		message = errors[e.cause.name as keyof typeof errors];
	} else if (e instanceof AxiosError && e.response?.data.error) {
		message = e.response?.data.error;
	} else {
		console.error(e);
	}
	return message;
}