import 'package:angel_cache/angel_cache.dart';
import 'package:angel_framework/angel_framework.dart';
import 'package:glob/glob.dart';

main() async {
  var app = new Angel();

  // Cache a glob
  var cache = new ResponseCache()
    ..patterns.addAll([
      new Glob('/*.txt'),
    ]);

  // Handle `if-modified-since` header, and also send cached content
  app.use(cache.handleRequest);

  // A simple handler that returns a different result every time.
  app.get('/date.txt',
      (ResponseContext res) => res.write(new DateTime.now().toIso8601String()));

  // Support purging the cache.
  app.addRoute('PURGE', '*', (RequestContext req) {
    if (req.ip != '127.0.0.1') throw new AngelHttpException.forbidden();

    cache.purge(req.uri.path);
    print('Purged ${req.uri.path}');
  });

  // The response finalizer that actually saves the content
  app.responseFinalizers.add(cache.responseFinalizer);

  var http = new AngelHttp(app);
  var server = await http.startServer('127.0.0.1', 3000);
  print('Listening at http://${server.address.address}:${server.port}');
}