/**
 * rBooks standalone server — independent deployment at rbooks.online.
 *
 * Wraps the books module routes in a minimal Hono server with
 * standalone shell (just EncryptID identity, no app/space switcher).
 *
 * Usage: bun run modules/books/standalone.ts
 */

import { Hono } from "hono";
import { cors } from "hono/cors";
import { resolve } from "node:path";
import { booksModule } from "./mod";
import { renderStandaloneShell } from "../../server/shell";

const PORT = Number(process.env.PORT) || 3000;
const DIST_DIR = resolve(import.meta.dir, "../../dist");

const app = new Hono();

app.use("/api/*", cors());

// WebAuthn related origins (passkey sharing with rspace.online)
app.get("/.well-known/webauthn", (c) => {
	return c.json(
		{ origins: ["https://rspace.online"] },
		200,
		{ "Access-Control-Allow-Origin": "*", "Cache-Control": "public, max-age=3600" }
	);
});

// Mount books module routes at root
app.route("/", booksModule.routes);

// Static asset serving
function getContentType(path: string): string {
	if (path.endsWith(".html")) return "text/html";
	if (path.endsWith(".js")) return "application/javascript";
	if (path.endsWith(".css")) return "text/css";
	if (path.endsWith(".json")) return "application/json";
	if (path.endsWith(".svg")) return "image/svg+xml";
	if (path.endsWith(".png")) return "image/png";
	if (path.endsWith(".jpg") || path.endsWith(".jpeg")) return "image/jpeg";
	if (path.endsWith(".ico")) return "image/x-icon";
	return "application/octet-stream";
}

Bun.serve({
	port: PORT,

	async fetch(req) {
		const url = new URL(req.url);

		// Static assets
		if (url.pathname !== "/" && !url.pathname.startsWith("/api/")) {
			const assetPath = url.pathname.slice(1);
			if (assetPath.includes(".")) {
				const filePath = resolve(DIST_DIR, assetPath);
				const file = Bun.file(filePath);
				if (await file.exists()) {
					return new Response(file, { headers: { "Content-Type": getContentType(assetPath) } });
				}
			}
		}

		// Hono handles all routes
		return app.fetch(req);
	},
});

console.log(`rBooks standalone server running on http://localhost:${PORT}`);