const { checkRateLimit } = require('../../infrastructure/rate_limit');
const { trackRequest } = require('../../maintenance/metrics');
const { handleStaticRoutes } = require('./static');
const { handleDomainsRoutes } = require('./domains');
const { handleEntriesRoutes } = require('./entries');
const { handlePeersRoutes } = require('./peers');
const { handleCertsRoutes } = require('./certs');
const { handleInterfacesRoutes } = require('./interfaces');
const { handleLocalDnsRoutes } = require('./local-dns');
const { handleStatusRoutes } = require('./status');
const { handleStatsRoutes } = require('./stats');
const { handleHolesailRoutes } = require('./holesail');
const { handleSettingsRoutes } = require('./settings');

async function handleAdminRequest(req, res) {
  const url = new URL(req.url, `https://${req.headers.host}`);
  const urlPath = url.pathname;
  const method = req.method;
  
  // Check rate limit for API endpoints (GET requests and local IPs are exempt)
  // Only rate limit POST requests, GET requests are safe and expected to be frequent
  if (urlPath.startsWith('/api/') && method === 'POST') {
    const rateLimitError = checkRateLimit(req);
    if (rateLimitError) {
      res.writeHead(rateLimitError.statusCode, rateLimitError.headers);
      res.end(rateLimitError.body);
      trackRequest(urlPath, false);
      return;
    }
  }
  
  // Attach urlPath to req for route handlers
  req.urlPath = urlPath;
  
  // Try each route handler in order
  if (await handleStaticRoutes(req, res)) return;
  if (await handleDomainsRoutes(req, res)) return;
  if (await handleEntriesRoutes(req, res)) return;
  if (await handlePeersRoutes(req, res)) return;
  if (await handleCertsRoutes(req, res)) return;
  if (await handleInterfacesRoutes(req, res)) return;
  if (await handleLocalDnsRoutes(req, res)) return;
  if (await handleStatusRoutes(req, res)) return;
  if (await handleStatsRoutes(req, res)) return;
  if (await handleHolesailRoutes(req, res)) return;
  if (await handleSettingsRoutes(req, res)) return;
  
  // No route matched
  res.writeHead(404);
  res.end('Not Found');
}

module.exports = { handleAdminRequest };