/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2009 Tatsuhiro Tsujikawa
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
/* copyright --> */
#include "RpcMethodFactory.h"
#include "RpcMethodImpl.h"
#include "OptionParser.h"
#include "OptionHandler.h"

namespace aria2 {

namespace rpc {

namespace {
std::map<std::string, std::unique_ptr<RpcMethod>> cache;
} // namespace

namespace {
std::unique_ptr<RpcMethod> noSuchRpcMethod;
} // namespace

namespace {
std::unique_ptr<RpcMethod> createMethod(const std::string& methodName)
{
  if (methodName == AddUriRpcMethod::getMethodName()) {
    return make_unique<AddUriRpcMethod>();
  }

#ifdef ENABLE_BITTORRENT
  if (methodName == AddTorrentRpcMethod::getMethodName()) {
    return make_unique<AddTorrentRpcMethod>();
  }

  if (methodName == GetPeersRpcMethod::getMethodName()) {
    return make_unique<GetPeersRpcMethod>();
  }
#endif // ENABLE_BITTORRENT

#ifdef ENABLE_METALINK
  if (methodName == AddMetalinkRpcMethod::getMethodName()) {
    return make_unique<AddMetalinkRpcMethod>();
  }
#endif // ENABLE_METALINK

  if (methodName == RemoveRpcMethod::getMethodName()) {
    return make_unique<RemoveRpcMethod>();
  }

  if (methodName == PauseRpcMethod::getMethodName()) {
    return make_unique<PauseRpcMethod>();
  }

  if (methodName == ForcePauseRpcMethod::getMethodName()) {
    return make_unique<ForcePauseRpcMethod>();
  }

  if (methodName == PauseAllRpcMethod::getMethodName()) {
    return make_unique<PauseAllRpcMethod>();
  }

  if (methodName == ForcePauseAllRpcMethod::getMethodName()) {
    return make_unique<ForcePauseAllRpcMethod>();
  }

  if (methodName == UnpauseRpcMethod::getMethodName()) {
    return make_unique<UnpauseRpcMethod>();
  }

  if (methodName == UnpauseAllRpcMethod::getMethodName()) {
    return make_unique<UnpauseAllRpcMethod>();
  }

  if (methodName == ForceRemoveRpcMethod::getMethodName()) {
    return make_unique<ForceRemoveRpcMethod>();
  }

  if (methodName == ChangePositionRpcMethod::getMethodName()) {
    return make_unique<ChangePositionRpcMethod>();
  }

  if (methodName == TellStatusRpcMethod::getMethodName()) {
    return make_unique<TellStatusRpcMethod>();
  }

  if (methodName == GetUrisRpcMethod::getMethodName()) {
    return make_unique<GetUrisRpcMethod>();
  }

  if (methodName == GetFilesRpcMethod::getMethodName()) {
    return make_unique<GetFilesRpcMethod>();
  }

  if (methodName == GetServersRpcMethod::getMethodName()) {
    return make_unique<GetServersRpcMethod>();
  }

  if (methodName == TellActiveRpcMethod::getMethodName()) {
    return make_unique<TellActiveRpcMethod>();
  }

  if (methodName == TellWaitingRpcMethod::getMethodName()) {
    return make_unique<TellWaitingRpcMethod>();
  }

  if (methodName == TellStoppedRpcMethod::getMethodName()) {
    return make_unique<TellStoppedRpcMethod>();
  }

  if (methodName == GetOptionRpcMethod::getMethodName()) {
    return make_unique<GetOptionRpcMethod>();
  }

  if (methodName == ChangeUriRpcMethod::getMethodName()) {
    return make_unique<ChangeUriRpcMethod>();
  }

  if (methodName == ChangeOptionRpcMethod::getMethodName()) {
    return make_unique<ChangeOptionRpcMethod>();
  }

  if (methodName == GetGlobalOptionRpcMethod::getMethodName()) {
    return make_unique<GetGlobalOptionRpcMethod>();
  }

  if (methodName == ChangeGlobalOptionRpcMethod::getMethodName()) {
    return make_unique<ChangeGlobalOptionRpcMethod>();
  }

  if (methodName == PurgeDownloadResultRpcMethod::getMethodName()) {
    return make_unique<PurgeDownloadResultRpcMethod>();
  }

  if (methodName == RemoveDownloadResultRpcMethod::getMethodName()) {
    return make_unique<RemoveDownloadResultRpcMethod>();
  }

  if (methodName == GetVersionRpcMethod::getMethodName()) {
    return make_unique<GetVersionRpcMethod>();
  }

  if (methodName == GetSessionInfoRpcMethod::getMethodName()) {
    return make_unique<GetSessionInfoRpcMethod>();
  }

  if (methodName == ShutdownRpcMethod::getMethodName()) {
    return make_unique<ShutdownRpcMethod>();
  }

  if (methodName == ForceShutdownRpcMethod::getMethodName()) {
    return make_unique<ForceShutdownRpcMethod>();
  }

  if (methodName == GetGlobalStatRpcMethod::getMethodName()) {
    return make_unique<GetGlobalStatRpcMethod>();
  }

  if (methodName == SaveSessionRpcMethod::getMethodName()) {
    return make_unique<SaveSessionRpcMethod>();
  }

  if (methodName == SystemMulticallRpcMethod::getMethodName()) {
    return make_unique<SystemMulticallRpcMethod>();
  }

  return nullptr;
}
} // namespace

RpcMethod* getMethod(const std::string& methodName)
{
  auto itr = cache.find(methodName);
  if (itr == std::end(cache)) {
    auto m = createMethod(methodName);
    if (m) {
      auto rv = cache.insert(std::make_pair(methodName, std::move(m)));
      return (*rv.first).second.get();
    }

    if (!noSuchRpcMethod) {
      noSuchRpcMethod = make_unique<NoSuchMethodRpcMethod>();
    }

    return noSuchRpcMethod.get();
  }

  return (*itr).second.get();
}

} // namespace rpc

} // namespace aria2