import {
	api,
	setCredentials,
	createToken,
	songCache,
} from "./client.svelte.js";
import { loadLib } from "./library.svelte.js";
import { syncQueue } from "./queue.svelte.js";

export const auth = $state({
	ok: false,
	busy: false,
	err: null as string | null,
	server: "",
	user: "",
	admin: false,
});

export const login = async (
	server: string,
	username: string,
	password?: string,
) => {
	auth.busy = true;
	auth.err = null;
	try {
		if (password) {
			setCredentials({ server, username, ...createToken(password) });
		}
		await api.ping();
		await loadLib();
		await syncQueue();

		let admin = false;
		try {
			const user = await api.getUser(username);
			admin = user.adminRole === "true" || user.adminRole === true;
		} catch (err) {
			console.error("failed to fetch user info:", err);
		}

		Object.assign(auth, { server, user: username, ok: true, admin });
		return true;
	} catch (err: any) {
		setCredentials(null);
		auth.err = err;
		return false;
	} finally {
		auth.busy = false;
	}
};

export const logout = async () => {
	songCache.clear();
	localStorage.clear();
	indexedDB.deleteDatabase("tinysub");
	if (indexedDB.databases) {
		const databases = await indexedDB.databases();
		for (const database of databases) indexedDB.deleteDatabase(database.name!);
	}
	location.reload();
};