/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
 * Copyright (c) 2014,  Regents of the University of California,
 *                      Arizona Board of Regents,
 *                      Colorado State University,
 *                      University Pierre & Marie Curie, Sorbonne University,
 *                      Washington University in St. Louis,
 *                      Beijing Institute of Technology,
 *                      The University of Memphis
 *
 * This file is part of NFD (Named Data Networking Forwarding Daemon).
 * See AUTHORS.md for complete list of NFD authors and contributors.
 *
 * NFD 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 3 of the License, or (at your option) any later version.
 *
 * NFD 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
 * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NFD_TESTS_NFD_MGMT_FACE_QUERY_STATUS_PUBLISHER_COMMON_HPP
#define NFD_TESTS_NFD_MGMT_FACE_QUERY_STATUS_PUBLISHER_COMMON_HPP

#include "mgmt/face-query-status-publisher.hpp"
#include "mgmt/app-face.hpp"
#include "mgmt/internal-face.hpp"
#include "fw/forwarder.hpp"
#include "face/udp-factory.hpp"

#include "tests/test-common.hpp"
#include "tests/daemon/face/dummy-face.hpp"

#include <ndn-cxx/management/nfd-face-status.hpp>

namespace nfd {
namespace tests {

class FaceQueryStatusPublisherFixture : public BaseFixture
{
public:

  FaceQueryStatusPublisherFixture()
    : m_table(m_forwarder)
    , m_face(make_shared<InternalFace>())
    , m_dummyFace(make_shared<DummyFace>())
    , m_dummyLocalFace(make_shared<DummyLocalFace>())
    , m_dummyUri(make_shared<DummyFace>("dummy://remoteUri", "dummy://localUri"))
    , m_factory(UdpFactory())
    , m_finished(false)
  {
  }

  virtual
  ~FaceQueryStatusPublisherFixture()
  {
  }

  void
  add(shared_ptr<Face> face)
  {
    m_table.add(face);
  }

  void
  validateFaceStatus(const Block& statusBlock, const shared_ptr<Face>& reference)
  {
    ndn::nfd::FaceStatus status;
    BOOST_REQUIRE_NO_THROW(status.wireDecode(statusBlock));

    BOOST_CHECK_EQUAL(status.getFaceId(), reference->getId());
    BOOST_CHECK_EQUAL(status.getRemoteUri(), reference->getRemoteUri().toString());
    BOOST_CHECK_EQUAL(status.getLocalUri(), reference->getLocalUri().toString());

    if (reference->isLocal()) {
      BOOST_CHECK_EQUAL(status.getFaceScope(), ndn::nfd::FACE_SCOPE_LOCAL);
    }
    else {
      BOOST_CHECK_EQUAL(status.getFaceScope(), ndn::nfd::FACE_SCOPE_NON_LOCAL);
    }

    if (reference->isOnDemand()) {
      BOOST_CHECK_EQUAL(status.getFacePersistency(), ndn::nfd::FACE_PERSISTENCY_ON_DEMAND);
    }
    else {
      BOOST_CHECK_EQUAL(status.getFacePersistency(), ndn::nfd::FACE_PERSISTENCY_PERSISTENT);
    }

    if (reference->isMultiAccess()) {
      BOOST_CHECK_EQUAL(status.getLinkType(), ndn::nfd::LINK_TYPE_MULTI_ACCESS);
    }
    else {
      BOOST_CHECK_EQUAL(status.getLinkType(), ndn::nfd::LINK_TYPE_POINT_TO_POINT);
    }
  }

  void
  decodeFaceStatusBlock(const Data& data)
  {
    BOOST_REQUIRE_EQUAL(data.getContentType(), tlv::ContentType_Blob);

    Block payload = data.getContent();
    m_buffer.appendByteArray(payload.value(), payload.value_size());

    BOOST_CHECK_NO_THROW(data.getName()[-1].toSegment());
    if (data.getFinalBlockId() != data.getName()[-1]) {
        return;
    }

    // wrap the Face Statuses in a single Content TLV for easy parsing
    m_buffer.prependVarNumber(m_buffer.size());
    m_buffer.prependVarNumber(tlv::Content);

    ndn::Block parser(m_buffer.buf(), m_buffer.size());
    parser.parse();

    BOOST_REQUIRE_EQUAL(parser.elements_size(), m_referenceFaces.size());

    std::list<shared_ptr<Face> >::const_iterator iReference = m_referenceFaces.begin();
    for (Block::element_const_iterator i = parser.elements_begin();
         i != parser.elements_end();
         ++i) {
      if (i->type() != ndn::tlv::nfd::FaceStatus) {
          BOOST_FAIL("expected face status, got type #" << i->type());
      }
      validateFaceStatus(*i, *iReference);
      ++iReference;
    }
    m_finished = true;
  }

  void
  decodeNackBlock(const Data& data)
  {
    BOOST_REQUIRE_EQUAL(data.getContentType(), tlv::ContentType_Nack);

    m_finished = true;
  }

protected:
  Forwarder m_forwarder;
  FaceTable m_table;
  shared_ptr<InternalFace> m_face;
  ndn::EncodingBuffer m_buffer;
  std::list<shared_ptr<Face> > m_referenceFaces;
  ndn::KeyChain m_keyChain;
  shared_ptr<DummyFace> m_dummyFace;
  shared_ptr<DummyLocalFace> m_dummyLocalFace;
  shared_ptr<DummyFace> m_dummyUri;
  UdpFactory m_factory;

protected:
  bool m_finished;
};

} // namespace tests
} // namespace nfd

#endif // NFD_TESTS_NFD_MGMT_FACE_QUERY_STATUS_PUBLISHER_COMMON_HPP