////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////

#include "Basics/Common.h"

#include "Basics/directories.h"
#include "Basics/tri-strings.h"

#include "Actions/ActionFeature.h"
#include "Agency/AgencyFeature.h"
#include "ApplicationFeatures/AQLPhase.h"
#include "ApplicationFeatures/AgencyPhase.h"
#include "ApplicationFeatures/BasicPhase.h"
#include "ApplicationFeatures/ClusterPhase.h"
#include "ApplicationFeatures/ConfigFeature.h"
#include "ApplicationFeatures/DaemonFeature.h"
#include "ApplicationFeatures/DatabasePhase.h"
#include "ApplicationFeatures/EnvironmentFeature.h"
#include "ApplicationFeatures/FinalPhase.h"
#include "ApplicationFeatures/FoxxPhase.h"
#include "ApplicationFeatures/GreetingsFeature.h"
#include "ApplicationFeatures/GreetingsPhase.h"
#include "ApplicationFeatures/LanguageFeature.h"
#include "ApplicationFeatures/MaxMapCountFeature.h"
#include "ApplicationFeatures/NonceFeature.h"
#include "ApplicationFeatures/PageSizeFeature.h"
#include "ApplicationFeatures/PrivilegeFeature.h"
#include "ApplicationFeatures/RocksDBOptionFeature.h"
#include "ApplicationFeatures/ServerPhase.h"
#include "ApplicationFeatures/ShellColorsFeature.h"
#include "ApplicationFeatures/ShutdownFeature.h"
#include "ApplicationFeatures/SupervisorFeature.h"
#include "ApplicationFeatures/TempFeature.h"
#include "ApplicationFeatures/V8Phase.h"
#include "ApplicationFeatures/V8PlatformFeature.h"
#include "ApplicationFeatures/VersionFeature.h"
#include "Aql/AqlFunctionFeature.h"
#include "Aql/OptimizerRulesFeature.h"
#include "Basics/ArangoGlobalContext.h"
#include "Cache/CacheManagerFeature.h"
#include "Cluster/ClusterFeature.h"
#include "Cluster/MaintenanceFeature.h"
#include "Cluster/ReplicationTimeoutFeature.h"
#include "GeneralServer/AuthenticationFeature.h"
#include "GeneralServer/GeneralServerFeature.h"
#include "Logger/LoggerBufferFeature.h"
#include "Logger/LoggerFeature.h"
#include "Pregel/PregelFeature.h"
#include "ProgramOptions/ProgramOptions.h"
#include "Random/RandomFeature.h"
#include "Replication/ReplicationFeature.h"
#include "RestServer/AqlFeature.h"
#include "RestServer/BootstrapFeature.h"
#include "RestServer/CheckVersionFeature.h"
#include "RestServer/ConsoleFeature.h"
#include "RestServer/DatabaseFeature.h"
#include "RestServer/DatabasePathFeature.h"
#include "RestServer/EndpointFeature.h"
#include "RestServer/FileDescriptorsFeature.h"
#include "RestServer/FlushFeature.h"
#include "RestServer/FortuneFeature.h"
#include "RestServer/FrontendFeature.h"
#include "RestServer/InitDatabaseFeature.h"
#include "RestServer/LanguageCheckFeature.h"
#include "RestServer/LockfileFeature.h"
#include "RestServer/QueryRegistryFeature.h"
#include "RestServer/ScriptFeature.h"
#include "RestServer/ServerFeature.h"
#include "RestServer/ServerIdFeature.h"
#include "RestServer/SystemDatabaseFeature.h"
#include "RestServer/TransactionManagerFeature.h"
#include "RestServer/TraverserEngineRegistryFeature.h"
#include "RestServer/UpgradeFeature.h"
#include "RestServer/ViewTypesFeature.h"
#include "Scheduler/SchedulerFeature.h"
#include "Sharding/ShardingFeature.h"
#include "Ssl/SslFeature.h"
#include "Ssl/SslServerFeature.h"
#include "Statistics/StatisticsFeature.h"
#include "StorageEngine/EngineSelectorFeature.h"
#include "StorageEngine/StorageEngineFeature.h"
#include "V8Server/FoxxQueuesFeature.h"
#include "V8Server/V8DealerFeature.h"

#ifdef _WIN32
#include "ApplicationFeatures/WindowsServiceFeature.h"
#endif

#ifdef USE_ENTERPRISE
#include "Enterprise/RestServer/arangodEE.h"
#endif

#include "IResearch/IResearchAnalyzerFeature.h"
#include "IResearch/IResearchFeature.h"

// storage engines
#include "ClusterEngine/ClusterEngine.h"
#include "MMFiles/MMFilesEngine.h"
#include "RocksDBEngine/RocksDBEngine.h"

#ifdef _WIN32
#include <iostream>
#endif

using namespace arangodb;

static int runServer(int argc, char** argv, ArangoGlobalContext& context) {
  try {
    context.installSegv();
    context.runStartupChecks();

    std::string name = context.binaryName();

    auto options = std::make_shared<options::ProgramOptions>(
        argv[0], "Usage: " + name + " [<options>]", "For more information use:", SBIN_DIRECTORY);

    application_features::ApplicationServer server(options, SBIN_DIRECTORY);

    std::vector<std::string> nonServerFeatures = {
        "Action",        "Agency",    "Cluster",
        "Daemon",        "Endpoint",  "FoxxQueues",
        "GeneralServer", "Greetings", "LoggerBufferFeature",
        "Server",        "SslServer", "Statistics",
        "Supervisor"};

    int ret = EXIT_FAILURE;

    // Adding the Phases
    server.addFeature(new application_features::AgencyFeaturePhase(server));
    server.addFeature(new application_features::AQLFeaturePhase(server));
    server.addFeature(new application_features::BasicFeaturePhase(server, false));
    server.addFeature(new application_features::ClusterFeaturePhase(server));
    server.addFeature(new application_features::DatabaseFeaturePhase(server));
    server.addFeature(new application_features::FinalFeaturePhase(server));
    server.addFeature(new application_features::FoxxFeaturePhase(server));
    server.addFeature(new application_features::GreetingsFeaturePhase(server, false));
    server.addFeature(new application_features::ServerFeaturePhase(server));
    server.addFeature(new application_features::V8FeaturePhase(server));

    // Adding the features
    server.addFeature(new ActionFeature(server));
    server.addFeature(new AgencyFeature(server));
    server.addFeature(new AqlFeature(server));
    server.addFeature(new AuthenticationFeature(server));
    server.addFeature(new BootstrapFeature(server));
    server.addFeature(new CacheManagerFeature(server));
    server.addFeature(new CheckVersionFeature(server, &ret, nonServerFeatures));
    server.addFeature(new ClusterFeature(server));
    server.addFeature(new ConfigFeature(server, name));
    server.addFeature(new ConsoleFeature(server));
    server.addFeature(new DatabaseFeature(server));
    server.addFeature(new DatabasePathFeature(server));
    server.addFeature(new EndpointFeature(server));
    server.addFeature(new EngineSelectorFeature(server));
    server.addFeature(new EnvironmentFeature(server));
    server.addFeature(new FileDescriptorsFeature(server));
    server.addFeature(new FlushFeature(server));
    server.addFeature(new FortuneFeature(server));
    server.addFeature(new FoxxQueuesFeature(server));
    server.addFeature(new FrontendFeature(server));
    server.addFeature(new GeneralServerFeature(server));
    server.addFeature(new GreetingsFeature(server));
    server.addFeature(new InitDatabaseFeature(server, nonServerFeatures));
    server.addFeature(new LanguageCheckFeature(server));
    server.addFeature(new LanguageFeature(server));
    server.addFeature(new LockfileFeature(server));
    server.addFeature(new LoggerBufferFeature(server));
    server.addFeature(new LoggerFeature(server, true));
    server.addFeature(new MaintenanceFeature(server));
    server.addFeature(new MaxMapCountFeature(server));
    server.addFeature(new NonceFeature(server));
    server.addFeature(new PageSizeFeature(server));
    server.addFeature(new PrivilegeFeature(server));
    server.addFeature(new QueryRegistryFeature(server));
    server.addFeature(new RandomFeature(server));
    server.addFeature(new ReplicationFeature(server));
    server.addFeature(new ReplicationTimeoutFeature(server));
    server.addFeature(new RocksDBOptionFeature(server));
    server.addFeature(new SchedulerFeature(server));
    server.addFeature(new ScriptFeature(server, &ret));
    server.addFeature(new ServerFeature(server, &ret));
    server.addFeature(new ServerIdFeature(server));
    server.addFeature(new ShardingFeature(server));
    server.addFeature(new ShellColorsFeature(server));
    server.addFeature(new ShutdownFeature(server, {"Script"}));
    server.addFeature(new SslFeature(server));
    server.addFeature(new StatisticsFeature(server));
    server.addFeature(new StorageEngineFeature(server));
    server.addFeature(new SystemDatabaseFeature(server));
    server.addFeature(new TempFeature(server, name));
    server.addFeature(new TransactionManagerFeature(server));
    server.addFeature(new TraverserEngineRegistryFeature(server));
    server.addFeature(new UpgradeFeature(server, &ret, nonServerFeatures));
    server.addFeature(new V8DealerFeature(server));
    server.addFeature(new V8PlatformFeature(server));
    server.addFeature(new VersionFeature(server));
    server.addFeature(new ViewTypesFeature(server));
    server.addFeature(new aql::AqlFunctionFeature(server));
    server.addFeature(new aql::OptimizerRulesFeature(server));
    server.addFeature(new pregel::PregelFeature(server));

#ifdef ARANGODB_HAVE_FORK
    server.addFeature(new DaemonFeature(server));
    server.addFeature(new SupervisorFeature(server));
#endif

#ifdef _WIN32
    server.addFeature(new WindowsServiceFeature(server));
#endif

#ifdef USE_ENTERPRISE
    setupServerEE(server);
#else
    server.addFeature(new SslServerFeature(server));
#endif

    server.addFeature(new arangodb::iresearch::IResearchAnalyzerFeature(server));
    server.addFeature(new arangodb::iresearch::IResearchFeature(server));

    // storage engines
    server.addFeature(new ClusterEngine(server));
    server.addFeature(new MMFilesEngine(server));
    server.addFeature(new RocksDBEngine(server));

    try {
      server.run(argc, argv);
      if (server.helpShown()) {
        // --help was displayed
        ret = EXIT_SUCCESS;
      }
    } catch (std::exception const& ex) {
      LOG_TOPIC(ERR, arangodb::Logger::FIXME)
          << "arangod terminated because of an exception: " << ex.what();
      ret = EXIT_FAILURE;
    } catch (...) {
      LOG_TOPIC(ERR, arangodb::Logger::FIXME)
          << "arangod terminated because of an exception of "
             "unknown type";
      ret = EXIT_FAILURE;
    }
    Logger::flush();
    return context.exit(ret);
  } catch (std::exception const& ex) {
    LOG_TOPIC(ERR, arangodb::Logger::FIXME)
        << "arangod terminated because of an exception: " << ex.what();
  } catch (...) {
    LOG_TOPIC(ERR, arangodb::Logger::FIXME)
        << "arangod terminated because of an exception of "
           "unknown type";
  }
  exit(EXIT_FAILURE);
}

#if _WIN32
static int ARGC;
static char** ARGV;

static void WINAPI ServiceMain(DWORD dwArgc, LPSTR* lpszArgv) {
  if (!TRI_InitWindowsEventLog()) {
    return;
  }
  // register the service ctrl handler,  lpszArgv[0] contains service name
  ServiceStatus = RegisterServiceCtrlHandlerA(lpszArgv[0], (LPHANDLER_FUNCTION)ServiceCtrl);

  // set start pending
  SetServiceStatus(SERVICE_START_PENDING, 0, 1, 10000, 0);

  TRI_GET_ARGV(ARGC, ARGV);
  ArangoGlobalContext context(ARGC, ARGV, SBIN_DIRECTORY);
  runServer(ARGC, ARGV, context);

  // service has stopped
  SetServiceStatus(SERVICE_STOPPED, NO_ERROR, 0, 0, 0);
  TRI_CloseWindowsEventlog();
}

#endif

int main(int argc, char* argv[]) {
#ifdef __linux__
#if USE_ENTERPRISE
  arangodb::checkLicenseKey();
#endif
#endif

  TRI_GET_ARGV(argc, argv);
#if _WIN32
  if (argc > 1 && TRI_EqualString("--start-service", argv[1])) {
    ARGC = argc;
    ARGV = argv;

    SERVICE_TABLE_ENTRY ste[] = {{TEXT(""), (LPSERVICE_MAIN_FUNCTION)ServiceMain},
                                 {nullptr, nullptr}};

    if (!StartServiceCtrlDispatcher(ste)) {
      std::cerr << "FATAL: StartServiceCtrlDispatcher has failed with "
                << GetLastError() << std::endl;
      exit(EXIT_FAILURE);
    }
    return 0;
  }
#endif
  ArangoGlobalContext context(argc, argv, SBIN_DIRECTORY);
  return runServer(argc, argv, context);
}