const state = require('../../../infrastructure/state');
const { cleanupInterfaces } = require('../../../maintenance/cleanup');
const { logError } = require('../../../infrastructure/logger');
const { broadcast } = require('../websocket');

async function handleInterfacesRoutes(req, res) {
  const urlPath = req.urlPath || new URL(req.url, `https://${req.headers.host}`).pathname;
  const method = req.method;

  if (method === 'GET' && urlPath === '/api/interfaces') {
    try {
      const interfaces = Array.from(state.domainToIPMap.entries()).map(([domain, ip]) => ({ domain, ip }));
      res.writeHead(200, { 'Content-Type': 'application/json' });
      res.end(JSON.stringify(interfaces));
    } catch (err) {
      logError('Admin', `Failed to fetch interfaces: ${err.message}`);
      res.writeHead(500);
      res.end(JSON.stringify({ error: 'Failed to fetch interfaces' }));
    }
    return true;
  }

  if (method === 'POST' && urlPath === '/api/cleanup-interfaces') {
    try {
      await cleanupInterfaces();
      broadcast({ type: 'update-interfaces' });
      res.writeHead(200, { 'Content-Type': 'text/plain' });
      res.end('OK');
    } catch (err) {
      logError('Admin', `Failed to cleanup interfaces: ${err.message}`);
      res.writeHead(500);
      res.end(err.message);
    }
    return true;
  }

  return false;
}

module.exports = { handleInterfacesRoutes };