import { Hono } from "hono";
import { serveStatic } from "hono/deno";
import postgres from "postgres";

const app = new Hono();

// Connect to Postgres using env vars (fallback for dev)
const sql = postgres({
  host: Deno.env.get("POSTGRES_HOST") || "db",
  port: parseInt(Deno.env.get("POSTGRES_PORT") || "5432"),
  database: Deno.env.get("POSTGRES_DB") || "nas_builder",
  username: Deno.env.get("POSTGRES_USER") || "nasadmin",
  password: Deno.env.get("POSTGRES_PASSWORD") || "your_secure_database_password_here",
});

// API Routes
app.get("/api/status", async (c) => {
  try {
    // Ping the database
    const result = await sql`SELECT version()`;
    return c.json({
      status: "online",
      database: "connected",
      db_version: result[0].version,
      timestamp: new Date().toISOString()
    });
  } catch (error: any) {
    return c.json({
      status: "online",
      database: "disconnected",
      error: error.message
    }, 500);
  }
});

// Serve the 3D Viewer frontend
app.use("/*", serveStatic({ root: "./" }));

// Handle root redirect to viewer
app.get("/", (c) => c.redirect("/viewer/index.html"));

// Start the server
const port = parseInt(Deno.env.get("PORT") || "80");
console.log(`🚀 NAS-Builder Deno API starting on port ${port}...`);

Deno.serve({ port }, app.fetch);