/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2017-2019, Regents of the University of California.
 *
 * This file is part of ndncert, a certificate management system based on NDN.
 *
 * ndncert 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.
 *
 * ndncert 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 copies of the GNU General Public License along with
 * ndncert, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 *
 * See AUTHORS.md for complete list of ndncert authors and contributors.
 */

#include "configuration.hpp"
#include "protocol-detail/info.hpp"
#include "test-common.hpp"

namespace ndn {
namespace ndncert {
namespace tests {

BOOST_FIXTURE_TEST_SUITE(TestConfig, IdentityManagementFixture)

BOOST_AUTO_TEST_CASE(CAConfigFile)
{
  CaConfig config;
  config.load("tests/unit-tests/config-files/config-ca-1");
  BOOST_CHECK_EQUAL(config.m_caItem.m_caPrefix, "/ndn");
  BOOST_CHECK_EQUAL(config.m_caItem.m_caInfo, "ndn testbed ca");
  BOOST_CHECK_EQUAL(config.m_caItem.m_maxValidityPeriod, time::seconds(864000));
  BOOST_CHECK_EQUAL(*config.m_caItem.m_maxSuffixLength, 3);
  BOOST_CHECK_EQUAL(config.m_caItem.m_probeParameterKeys.size(), 1);
  BOOST_CHECK_EQUAL(config.m_caItem.m_probeParameterKeys.front(), "full name");
  BOOST_CHECK_EQUAL(config.m_caItem.m_supportedChallenges.size(), 1);
  BOOST_CHECK_EQUAL(config.m_caItem.m_supportedChallenges.front(), "pin");

  config.load("tests/unit-tests/config-files/config-ca-2");
  BOOST_CHECK_EQUAL(config.m_caItem.m_caPrefix, "/ndn");
  BOOST_CHECK_EQUAL(config.m_caItem.m_caInfo, "missing max validity period, max suffix length, and probe");
  BOOST_CHECK_EQUAL(config.m_caItem.m_maxValidityPeriod, time::seconds(86400));
  BOOST_CHECK(!config.m_caItem.m_maxSuffixLength);
  BOOST_CHECK_EQUAL(config.m_caItem.m_probeParameterKeys.size(), 0);
  BOOST_CHECK_EQUAL(config.m_caItem.m_supportedChallenges.size(), 2);
  BOOST_CHECK_EQUAL(config.m_caItem.m_supportedChallenges.front(), "pin");
  BOOST_CHECK_EQUAL(config.m_caItem.m_supportedChallenges.back(), "email");
}

BOOST_AUTO_TEST_CASE(CAConfigFileWithErrors)
{
  CaConfig config;
  // nonexistent file
  BOOST_CHECK_THROW(config.load("tests/unit-tests/config-files/Nonexist"), std::runtime_error);
  // missing challenge
  BOOST_CHECK_THROW(config.load("tests/unit-tests/config-files/config-ca-3"), std::runtime_error);
  // unsupported challenge
  BOOST_CHECK_THROW(config.load("tests/unit-tests/config-files/config-ca-4"), std::runtime_error);
}

BOOST_AUTO_TEST_CASE(ClientConfigFile)
{
  ClientConfig config;
  config.load("tests/unit-tests/config-files/config-client-1");
  BOOST_CHECK_EQUAL(config.m_caItems.size(), 2);

  auto& config1 = config.m_caItems.front();
  BOOST_CHECK_EQUAL(config1.m_caPrefix, "/ndn/edu/ucla");
  BOOST_CHECK_EQUAL(config1.m_caInfo, "ndn testbed ca");
  BOOST_CHECK_EQUAL(config1.m_maxValidityPeriod, time::seconds(864000));
  BOOST_CHECK_EQUAL(*config1.m_maxSuffixLength, 3);
  BOOST_CHECK_EQUAL(config1.m_probeParameterKeys.size(), 1);
  BOOST_CHECK_EQUAL(config1.m_probeParameterKeys.front(), "email");
  BOOST_CHECK_EQUAL(config1.m_cert->getName(),
                    "/ndn/site1/KEY/%11%BC%22%F4c%15%FF%17/self/%FD%00%00%01Y%C8%14%D9%A5");

  auto& config2 = config.m_caItems.back();
  BOOST_CHECK_EQUAL(config2.m_caPrefix, "/ndn/edu/ucla/zhiyi");
  BOOST_CHECK_EQUAL(config2.m_caInfo, "");
  BOOST_CHECK_EQUAL(config2.m_maxValidityPeriod, time::seconds(86400));
  BOOST_CHECK(!config2.m_maxSuffixLength);
  BOOST_CHECK_EQUAL(config2.m_probeParameterKeys.size(), 0);
  BOOST_CHECK_EQUAL(config2.m_cert->getName(),
                    "/ndn/site1/KEY/%11%BC%22%F4c%15%FF%17/self/%FD%00%00%01Y%C8%14%D9%A5");
}

BOOST_AUTO_TEST_CASE(ClientConfigFileWithErrors)
{
  ClientConfig config;
  // nonexistent file
  BOOST_CHECK_THROW(config.load("tests/unit-tests/config-files/Nonexist"), std::runtime_error);
  // missing certificate
  BOOST_CHECK_THROW(config.load("tests/unit-tests/config-files/config-client-2"), std::runtime_error);
  // missing ca prefix
  BOOST_CHECK_THROW(config.load("tests/unit-tests/config-files/config-client-3"), std::runtime_error);
}

BOOST_AUTO_TEST_CASE(ClientConfigFileAddAndRemoveCaItem)
{
  ClientConfig config;
  config.load("tests/unit-tests/config-files/config-client-1");

  CaConfigItem item;
  item.m_caPrefix = Name("/test");
  item.m_caInfo = "test";

  config.m_caItems.push_back(item);
  BOOST_CHECK_EQUAL(config.m_caItems.size(), 3);
  auto lastItem = config.m_caItems.back();
  BOOST_CHECK_EQUAL(lastItem.m_caPrefix, "/test");

  config.removeCaItem(Name("/test"));
  BOOST_CHECK_EQUAL(config.m_caItems.size(), 2);
  lastItem = config.m_caItems.back();
  BOOST_CHECK_EQUAL(lastItem.m_caPrefix, "/ndn/edu/ucla/zhiyi");
}

BOOST_AUTO_TEST_CASE(InfoEncodingDecoding)
{
  CaConfig config;
  config.load("tests/unit-tests/config-files/config-ca-1");

  const auto& identity = addIdentity("/test");
  const auto& cert = identity.getDefaultKey().getDefaultCertificate();
  auto encoded = INFO::encodeDataContent(config.m_caItem, cert);
  auto decoded = INFO::decodeDataContent(encoded);
  BOOST_CHECK_EQUAL(config.m_caItem.m_caPrefix, decoded.m_caPrefix);
  BOOST_CHECK_EQUAL(config.m_caItem.m_caInfo, decoded.m_caInfo);
  BOOST_CHECK_EQUAL(config.m_caItem.m_maxValidityPeriod, decoded.m_maxValidityPeriod);
  BOOST_CHECK_EQUAL(*config.m_caItem.m_maxSuffixLength, *decoded.m_maxSuffixLength);
  BOOST_CHECK_EQUAL(config.m_caItem.m_probeParameterKeys.size(), decoded.m_probeParameterKeys.size());
  BOOST_CHECK_EQUAL(config.m_caItem.m_probeParameterKeys.front(), decoded.m_probeParameterKeys.front());
  BOOST_CHECK_EQUAL(cert.wireEncode(), decoded.m_cert->wireEncode());
}

BOOST_AUTO_TEST_SUITE_END()  // TestCaConfig

}  // namespace tests
}  // namespace ndncert
}  // namespace ndn