// An account's preferences, as the appview keeps them
// (dev.knotless.getPreferences): one of each kind, told apart by `$type`.

import type * as getPreferences from '#lib/lexicons/dev/knotless/getPreferences.ts';
import type * as putPreferences from '#lib/lexicons/dev/knotless/putPreferences.ts';
import { call } from '#lib/data.ts';

export const APPEARANCE_PREF = 'dev.knotless.getPreferences#appearancePref';
export const NOTIFICATION_PREF = 'dev.knotless.getPreferences#notificationPref';
export const THEMES_PREF = 'dev.knotless.getPreferences#themesPref';

/** The notifications among `all`, which the appview always gives. */
export const notificationsOf = (
	all: getPreferences.Preferences
): getPreferences.NotificationPref | null =>
	(all.preferences.find((p) => p.$type === NOTIFICATION_PREF) as
		| getPreferences.NotificationPref
		| undefined) ?? null;

/** The themes people made that `all`'s account added to its own: none until it adds one. */
export const themesOf = (all: getPreferences.Preferences): getPreferences.AddedTheme[] =>
	(all.preferences.find((p) => p.$type === THEMES_PREF) as getPreferences.ThemesPref | undefined)
		?.themes ?? [];

/** Sets `prefs`, each in its kind's place, answering them all. */
export const putPrefs = (prefs: putPreferences.$InputBody['preferences']) =>
	call<typeof putPreferences.main>('dev.knotless.putPreferences', { preferences: prefs });