import { readFile } from "node:fs/promises";
import { resolve } from "node:path";
import { serve } from "@hono/node-server";
import { serveStatic } from "@hono/node-server/serve-static";
import { Hono } from "hono";

import { getServerEnvironment } from "./env";
import { handleAgents24 } from "./handler";

try { process.loadEnvFile(".env.local"); }
catch (error) { if ((error as NodeJS.ErrnoException).code !== "ENOENT") throw error; }
if (process.argv.includes("--production")) process.env.NODE_ENV = "production";
const env = getServerEnvironment();
const production = process.env.NODE_ENV === "production";
const app = new Hono();

app.use("*", async (context, next) => {
  await next();
  context.header("Referrer-Policy", "no-referrer");
  context.header("Content-Security-Policy", "frame-ancestors 'none'");
  context.header("X-Content-Type-Options", "nosniff");
  context.header("X-Frame-Options", "DENY");
});
app.all("/api/agents24", (context) => handleAgents24(context.req.raw));
app.all("/api/agents24/*", (context) => handleAgents24(context.req.raw));

if (production) {
  app.use("*", serveStatic({ root: "./dist" }));
  app.get("*", async (context) => context.html(await readFile(resolve("dist/index.html"), "utf8")));
}

serve({ fetch: app.fetch, hostname: production ? "0.0.0.0" : "127.0.0.1", port: env.PORT }, (info) => {
  process.stdout.write(`Agents24 app listening on http://127.0.0.1:${info.port}\n`);
});