import type { AtLeast, ISubscription, IUser } from '@rocket.chat/core-typings';

/**
 * @type {(userPref: Pick<import('@rocket.chat/core-typings').IUser, 'settings'>) => {
 * 	desktopPrefOrigin: 'user';
 * 	mobilePrefOrigin: 'user';
 * 	emailPrefOrigin: 'user';
 * }}
 */
export const getDefaultSubscriptionPref = (userPref: AtLeast<IUser, 'settings'>) => {
	const subscription: Partial<ISubscription> = {};

	const { desktopNotifications, pushNotifications, emailNotificationMode, highlights } = userPref.settings?.preferences || {};

	if (Array.isArray(highlights) && highlights.length) {
		subscription.userHighlights = highlights;
	}

	if (desktopNotifications && desktopNotifications !== 'default') {
		subscription.desktopNotifications = desktopNotifications;
		subscription.desktopPrefOrigin = 'user';
	}

	if (pushNotifications && pushNotifications !== 'default') {
		subscription.mobilePushNotifications = pushNotifications;
		subscription.mobilePrefOrigin = 'user';
	}

	if (emailNotificationMode && emailNotificationMode !== 'default') {
		subscription.emailNotifications = emailNotificationMode;
		subscription.emailPrefOrigin = 'user';
	}

	return subscription;
};