import { load, Store } from '@tauri-apps/plugin-store';
import type { CookieSource } from '$lib/bindings/dependencies';

export type { CookieSource };

export interface Preferences {
  outputDirectory: string;
  cookieSource: CookieSource;
}

const DEFAULT_PREFERENCES: Preferences = {
  outputDirectory: '~/',
  cookieSource: { type: 'browser', browser: 'firefox' },
};

let store: Store | null = null;

export const preferences = $state<Preferences>({ ...DEFAULT_PREFERENCES });

export async function loadPreferences(): Promise<void> {
  store = await load('preferences.json', { autoSave: true });
  const savedDir = await store.get<string>('outputDirectory');
  const savedCookie = await store.get<CookieSource>('cookieSource');
  if (savedDir) preferences.outputDirectory = savedDir;
  if (savedCookie) preferences.cookieSource = savedCookie;
}

export async function savePreferences(): Promise<void> {
  if (!store) return;
  await store.set('outputDirectory', preferences.outputDirectory);
  await store.set('cookieSource', preferences.cookieSource);
  await store.save();
}

export async function setOutputDirectory(dir: string): Promise<void> {
  preferences.outputDirectory = dir;
  await savePreferences();
}

export async function setCookieSource(source: CookieSource): Promise<void> {
  preferences.cookieSource = source;
  await savePreferences();
}