import { configureOAuth } from '@atcute/oauth-browser-client';
import {
	LocalActorResolver,
	CompositeDidDocumentResolver,
	PlcDidDocumentResolver,
	XrpcDidDocumentResolver,
	CompositeHandleResolver,
	WellKnownHandleResolver,
	DohJsonHandleResolver
} from '@atcute/identity-resolver';

let configured = false;

export function ensureOAuthConfigured() {
	if (configured) return;
	configured = true;

	const didDocumentResolver = new CompositeDidDocumentResolver({
		methods: {
			plc: new PlcDidDocumentResolver(),
			web: new XrpcDidDocumentResolver({ serviceUrl: 'https://bsky.social' })
		}
	});

	const handleResolver = new CompositeHandleResolver({
		methods: {
			http: new WellKnownHandleResolver(),
			dns: new DohJsonHandleResolver({ dohUrl: 'https://cloudflare-dns.com/dns-query' })
		}
	});

	const identityResolver = new LocalActorResolver({ handleResolver, didDocumentResolver });

	const isLocalhost =
		window.location.hostname === 'localhost' || window.location.hostname === '127.0.0.1';
	const port = window.location.port || '5173';

	configureOAuth({
		metadata: isLocalhost
			? {
					client_id: `http://localhost?redirect_uri=${encodeURIComponent('http://127.0.0.1/oauth/callback')}&scope=${encodeURIComponent('atproto transition:generic')}`,
					redirect_uri: `http://127.0.0.1:${port}/oauth/callback`
				}
			: {
					client_id: 'https://stickies.sky.boo/client-metadata.json',
					redirect_uri: 'https://stickies.sky.boo/oauth/callback'
				},
		identityResolver
	});
}