import Fastify from 'fastify';
import fastifyStatic from '@fastify/static';
import { fileURLToPath } from 'node:url';
import { dirname, join } from 'node:path';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

const PORT = parseInt(process.env['PORT'] ?? '3301', 10);
const CORE_URL = process.env['TOKENVAULT_CORE_URL'] ?? 'http://localhost:3300';

const app = Fastify({ logger: false });

// Serve static dashboard HTML
await app.register(fastifyStatic, {
  root: join(__dirname, '..', 'public'),
  prefix: '/',
});

// Proxy API requests to core
app.get('/api/health', async () => {
  const res = await fetch(`${CORE_URL}/health`);
  return res.json();
});

app.get('/api/tickets', async (req) => {
  const qs = new URL(req.url, 'http://localhost').search;
  const res = await fetch(`${CORE_URL}/v1/tickets${qs}`);
  return res.json();
});

app.get('/api/tickets/stats', async (req) => {
  const qs = new URL(req.url, 'http://localhost').search;
  const res = await fetch(`${CORE_URL}/v1/tickets/stats${qs}`);
  return res.json();
});

app.get('/api/cost', async (req) => {
  const qs = new URL(req.url, 'http://localhost').search;
  const res = await fetch(`${CORE_URL}/v1/cost${qs}`);
  return res.json();
});

app.get('/api/cost/breakdown', async (req) => {
  const qs = new URL(req.url, 'http://localhost').search;
  const res = await fetch(`${CORE_URL}/v1/cost/breakdown${qs}`);
  return res.json();
});

await app.listen({ port: PORT, host: '0.0.0.0' });
console.log(`TokenVault Dashboard running on http://localhost:${PORT}`);