/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2014-2025,  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/>.
 */

#include "rib/readvertise/host-to-gateway-readvertise-policy.hpp"

#include "tests/test-common.hpp"
#include "tests/key-chain-fixture.hpp"
#include "tests/daemon/global-io-fixture.hpp"

namespace nfd::tests {

using namespace nfd::rib;

class HostToGatewayReadvertisePolicyFixture : public GlobalIoFixture, public KeyChainFixture
{
public:
  static RibRouteRef
  makeNewRoute(const Name& prefix)
  {
    auto entry = make_shared<RibEntry>();
    entry->setName(prefix);

    Route route;
    route.cost = 200;
    auto routeIt = entry->insertRoute(route).first;
    return RibRouteRef{entry, routeIt};
  }

  shared_ptr<HostToGatewayReadvertisePolicy>
  makePolicy(const ConfigSection& section = ConfigSection())
  {
    return make_shared<HostToGatewayReadvertisePolicy>(m_keyChain, section);
  }
};

BOOST_AUTO_TEST_SUITE(Rib)
BOOST_FIXTURE_TEST_SUITE(TestHostToGatewayReadvertisePolicy, HostToGatewayReadvertisePolicyFixture)

BOOST_AUTO_TEST_CASE(PrefixToAdvertise)
{
  BOOST_REQUIRE(m_keyChain.createIdentity("/A"));
  BOOST_REQUIRE(m_keyChain.createIdentity("/A/B"));
  BOOST_REQUIRE(m_keyChain.createIdentity("/C/nrd"));

  auto policy = makePolicy();
  auto test = [&policy] (Name routeName, std::optional<ReadvertiseAction> expectedAction) {
    auto action = policy->handleNewRoute(makeNewRoute(routeName));

    if (expectedAction) {
      BOOST_REQUIRE(action);
      BOOST_TEST(action->prefix == expectedAction->prefix);
      BOOST_TEST(action->cost == expectedAction->cost);
      BOOST_TEST(action->signer == expectedAction->signer);
    }
    else {
      BOOST_TEST(!action);
    }
  };

  test("/D/app", std::nullopt);
  test("/A/B/app", ReadvertiseAction{"/A", 200, ndn::security::signingByIdentity("/A")});
  test("/C/nrd", ReadvertiseAction{"/C", 200, ndn::security::signingByIdentity("/C/nrd")});
}

BOOST_AUTO_TEST_CASE(DontReadvertise)
{
  auto policy = makePolicy();
  BOOST_TEST(!policy->handleNewRoute(makeNewRoute("/localhost/test")));
  BOOST_TEST(!policy->handleNewRoute(makeNewRoute("/localhop/nfd")));
}

BOOST_AUTO_TEST_CASE(LoadRefreshInterval)
{
  auto policy = makePolicy();
  BOOST_TEST(policy->getRefreshInterval() == 25_s); // default setting is 25s

  ConfigSection section;
  section.put("refresh_interval_wrong", 10);
  policy = makePolicy(section);
  BOOST_TEST(policy->getRefreshInterval() == 25_s); // wrong syntax

  section.put("refresh_interval", 10);
  policy = makePolicy(section);
  BOOST_TEST(policy->getRefreshInterval() == 10_s);
}

BOOST_AUTO_TEST_SUITE_END() // TestHostToGatewayReadvertisePolicy
BOOST_AUTO_TEST_SUITE_END() // Rib

} // namespace nfd::tests