// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

#library('http_server');

#import('dart:io');
#import('dart:isolate');
#import('test_suite.dart');  // For TestUtils.

HttpServer _httpServer;

void startHttpServer(String host, int port) {
  var basePath = TestUtils.dartDir();
  _httpServer = new HttpServer();
  _httpServer.onError = (e) {
    // Consider errors in the builtin http server fatal.
    // Intead of just throwing the exception we print
    // a message that makes it clearer what happened.
    print('Test http server error: $e');
    exit(1);
  };
  _httpServer.defaultRequestHandler = (request, resp) {
    var requestPath = new Path(request.path).canonicalize();
    if (!requestPath.isAbsolute) {
      resp.statusCode = HttpStatus.NOT_FOUND;
      resp.outputStream.close();
    } else {
      var path = basePath;
      requestPath.segments().forEach((s) => path = path.append(s));
      var file = new File(path.toNativePath());
      file.exists().then((exists) {
        if (exists) {
          // Allow loading from localhost in browsers.
          resp.headers.set("Access-Control-Allow-Origin", "*");
          file.openInputStream().pipe(resp.outputStream);
        } else {
          resp.statusCode = HttpStatus.NOT_FOUND;
          resp.outputStream.close();
        }
      });
    }
  };

  _httpServer.listen(host, port);
}

terminateHttpServer() {
  _httpServer.close();
}