/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2012 University of California, Los Angeles
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
 *	   Zhenkai Zhu <zhenkai@cs.ucla.edu>
 */

#include <boost/test/unit_test.hpp>
#include <boost/lexical_cast.hpp>

#include <unistd.h>
#include "action-log.h"
#include <iostream>
#include <ccnx-name.h>
#include <boost/filesystem.hpp>

using namespace std;
using namespace boost;
using namespace Ccnx;
namespace fs = boost::filesystem;

BOOST_AUTO_TEST_SUITE(DatabaseTest)


BOOST_AUTO_TEST_CASE (BasicDatabaseTest)
{
  fs::path tmpdir = fs::unique_path (fs::temp_directory_path () / "%%%%-%%%%-%%%%-%%%%");
  SyncLog db (tmpdir, "/alex");

  HashPtr hash = db.RememberStateInStateLog ();
  // should be empty
  BOOST_CHECK_EQUAL (lexical_cast<string> (*hash), "7a6f2c1eefd539560d2dc3e5542868a79810d0867db15d9b87e41ec105899405");

  db.UpdateDeviceSeqNo (Name ("/alex"), 1);
  hash = db.RememberStateInStateLog ();

  BOOST_CHECK_EQUAL (lexical_cast<string> (*hash), "3410477233f98d6c3f9a6f8da24494bf5a65e1a7c9f4f66b228128bd4e020558");

  db.UpdateDeviceSeqNo (Name ("/alex"), 2);
  hash = db.RememberStateInStateLog ();
  BOOST_CHECK_EQUAL (lexical_cast<string> (*hash), "2ff304769cdb0125ac039e6fe7575f8576dceffc62618a431715aaf6eea2bf1c");

  db.UpdateDeviceSeqNo (Name ("/alex"), 2);
  hash = db.RememberStateInStateLog ();
  BOOST_CHECK_EQUAL (lexical_cast<string> (*hash), "2ff304769cdb0125ac039e6fe7575f8576dceffc62618a431715aaf6eea2bf1c");

  db.UpdateDeviceSeqNo (Name ("/alex"), 1);
  hash = db.RememberStateInStateLog ();
  BOOST_CHECK_EQUAL (lexical_cast<string> (*hash), "2ff304769cdb0125ac039e6fe7575f8576dceffc62618a431715aaf6eea2bf1c");

  db.UpdateLocator(Name ("/alex"), Name("/hawaii"));

  BOOST_CHECK_EQUAL(db.LookupLocator(Name ("/alex")), Name ("/hawaii"));

  SyncStateMsgPtr msg = db.FindStateDifferences ("00", "95284d3132a7a88b85c5141ca63efa68b7a7daf37315def69e296a0c24692833");
  BOOST_CHECK_EQUAL (msg->state_size(), 0);

  msg = db.FindStateDifferences ("00", "2ff304769cdb0125ac039e6fe7575f8576dceffc62618a431715aaf6eea2bf1c");
  BOOST_CHECK_EQUAL (msg->state_size(), 1);
  BOOST_CHECK_EQUAL (msg->state (0).type (), SyncState::UPDATE);
  BOOST_CHECK_EQUAL (msg->state (0).seq (), 2);
  
  msg = db.FindStateDifferences ("2ff304769cdb0125ac039e6fe7575f8576dceffc62618a431715aaf6eea2bf1c", "00");
  BOOST_CHECK_EQUAL (msg->state_size(), 1);
  BOOST_CHECK_EQUAL (msg->state (0).type (), SyncState::DELETE);

  msg = db.FindStateDifferences ("7a6f2c1eefd539560d2dc3e5542868a79810d0867db15d9b87e41ec105899405",
                                 "2ff304769cdb0125ac039e6fe7575f8576dceffc62618a431715aaf6eea2bf1c");
  BOOST_CHECK_EQUAL (msg->state_size(), 1);
  BOOST_CHECK_EQUAL (msg->state (0).type (), SyncState::UPDATE);
  BOOST_CHECK_EQUAL (msg->state (0).seq (), 2);

  msg = db.FindStateDifferences ("2ff304769cdb0125ac039e6fe7575f8576dceffc62618a431715aaf6eea2bf1c",
                                 "7a6f2c1eefd539560d2dc3e5542868a79810d0867db15d9b87e41ec105899405");
  BOOST_CHECK_EQUAL (msg->state_size(), 1);
  BOOST_CHECK_EQUAL (msg->state (0).type (), SyncState::UPDATE);
  BOOST_CHECK_EQUAL (msg->state (0).seq (), 0);
  
  db.UpdateDeviceSeqNo (Name ("/bob"), 1);
  hash = db.RememberStateInStateLog ();
  BOOST_CHECK_EQUAL (lexical_cast<string> (*hash), "5df5affc07120335089525e82ec9fda60c6dccd7addb667106fb79de80610519");

  msg = db.FindStateDifferences ("00", "5df5affc07120335089525e82ec9fda60c6dccd7addb667106fb79de80610519");
  BOOST_CHECK_EQUAL (msg->state_size(), 2);
  BOOST_CHECK_EQUAL (msg->state (0).type (), SyncState::UPDATE);
  BOOST_CHECK_EQUAL (msg->state (0).seq (), 2);

  BOOST_CHECK_EQUAL (msg->state (1).type (), SyncState::UPDATE);
  BOOST_CHECK_EQUAL (msg->state (1).seq (), 1);

  remove_all (tmpdir);
}

BOOST_AUTO_TEST_SUITE_END()