import { serve } from "bun";
import index from "./index.html";

// Parse command line arguments for port
const args = process.argv.slice(2);
const portArgIndex = args.findIndex((arg) => arg === "--port");
const defaultPort =
  portArgIndex !== -1 && args[portArgIndex + 1]
    ? parseInt(args[portArgIndex + 1])
    : 3000;

// Function to find available port
async function findAvailablePort(startPort: number): Promise<number> {
  let port = startPort;
  while (port < 65535) {
    try {
      const testServer = serve({
        port: port,
        fetch() {
          return new Response("test");
        },
      });
      testServer.stop();
      return port;
    } catch (error) {
      port++;
    }
  }
  throw new Error("No available port found");
}

(async () => {
  const port = await findAvailablePort(defaultPort);

  const server = serve({
    port: port,
    routes: {
      // Serve index.html for all unmatched routes.
      "/*": index,
      "/timeline": Response.redirect("/#timeline"),
      "/ads.txt": new Response(
        "google.com, pub-4588517451789913, DIRECT, f08c47fec0942fa0",
        {
          headers: {
            "content-type": "text/plain",
          },
        }
      ),
    },

    development: process.env.NODE_ENV !== "production" && {
      // Enable browser hot reloading in development
      hmr: true,

      // Echo console logs from the browser to the server
      console: true,
    },
  });

  console.clear();
  if (process.env.NODE_ENV !== "production") {
    console.log(`\x1b[45m Dev \x1b[0m\x1b[35m Bun v${Bun.version}\x1b[0m`);
  } else {
    console.log(`\x1b[0m\x1b[35m Bun v${Bun.version}\x1b[0m`);
  }
  console.log(`\n\x1b[34m→ \x1b[35m${server.url}\x1b[0m`);
})();