////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////

#include "RestDebugHelperHandler.h"

#include "Basics/conversions.h"
#include "Basics/json.h"
#include "Basics/tri-strings.h"
#include "Dispatcher/DispatcherThread.h"
#include "Rest/HttpRequest.h"
#include "Rest/Version.h"

using namespace triagens::basics;
using namespace triagens::rest;
using namespace triagens::admin;
using namespace std;



RestDebugHelperHandler::RestDebugHelperHandler(HttpRequest* request)
    : RestBaseHandler(request) {}



bool RestDebugHelperHandler::isDirect() const { return false; }

////////////////////////////////////////////////////////////////////////////////
/// @brief returns the server version number
///
/// Parameters:
/// - sleep: sleep for X seconds
////////////////////////////////////////////////////////////////////////////////

HttpHandler::status_t RestDebugHelperHandler::execute() {
  requestStatisticsAgentSetIgnore();

  bool found;
  char const* sleepStr = _request->value("sleep", found);
  auto s = static_cast<unsigned long>(StringUtils::doubleDecimal(sleepStr) *
                                      1000.0 * 1000.0);

  if (0 < s) {
    usleep(s);
  }

  try {
    VPackBuilder result;
    result.add(VPackValue(VPackValueType::Object));
    result.add("server", VPackValue("arango"));
    result.add("version", VPackValue(TRI_VERSION));
    result.add("sleep", VPackValue(s / 1000000.0));
    result.close();
    VPackSlice slice(result.start());
    generateResult(slice);
  } catch (...) {
    // Ignore the error
  }

  return status_t(HANDLER_DONE);
}