/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
 * Copyright (c) 2014-2016,  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 "available-commands.hpp"
#include "help.hpp"
#include "status-report.hpp"
#include "status-main.hpp"
#include "legacy-nfdc.hpp"

namespace nfd {
namespace tools {
namespace nfdc {

static int
statusReport(ExecuteContext& ctx)
{
  ReportFormat fmt = ctx.args.get<ReportFormat>("format", ReportFormat::TEXT);
  switch (fmt) {
    case ReportFormat::XML:
      return statusMain(std::vector<std::string>{"-x"}, ctx.face, ctx.keyChain);
    case ReportFormat::TEXT:
      return statusMain(std::vector<std::string>{}, ctx.face, ctx.keyChain);
  }
  BOOST_ASSERT(false);
  return 1;
}

static int
statusList(ExecuteContext& ctx, const std::string& option)
{
  return statusMain(std::vector<std::string>{option}, ctx.face, ctx.keyChain);
}

static int
legacyNfdStatus(ExecuteContext& ctx)
{
  auto args = ctx.args.get<std::vector<std::string>>("args");
  return statusMain(args, ctx.face, ctx.keyChain);
}

void
registerCommands(CommandParser& parser)
{
  registerHelpCommand(parser);

  CommandDefinition defStatusReport("status", "report");
  defStatusReport
    .setTitle("print NFD status report")
    .addArg("format", ArgValueType::REPORT_FORMAT, Required::NO, Positional::YES);
  parser.addCommand(defStatusReport, &statusReport);

  struct StatusCommandDefinition
  {
    std::string noun;
    std::string verb;
    std::string legacyOption;
    std::string title;
  };
  const std::vector<StatusCommandDefinition> statusCommands{
    {"status", "show", "-v", "print general status"},
    {"face", "list", "-f", "print face list"},
    {"channel", "list", "-c", "print channel list"},
    {"strategy", "list", "-s", "print strategy choices"},
    {"fib", "list", "-b", "print FIB entries"},
    {"route", "list", "-r", "print RIB routes"}
  };
  for (const StatusCommandDefinition& scd : statusCommands) {
    CommandDefinition def(scd.noun, scd.verb);
    def.setTitle(scd.title);
    parser.addCommand(def, bind(&statusList, _1, scd.legacyOption));
  }
  parser.addAlias("status", "show", "list");

  CommandDefinition defLegacyNfdStatus("legacy-nfd-status", "");
  defLegacyNfdStatus
    .addArg("args", ArgValueType::ANY, Required::NO, Positional::YES);
  parser.addCommand(defLegacyNfdStatus, &legacyNfdStatus, AVAILABLE_IN_ALL & ~AVAILABLE_IN_HELP);

  struct LegacyNfdcCommandDefinition
  {
    std::string subcommand;
    std::string title;
  };
  const std::vector<LegacyNfdcCommandDefinition> legacyNfdcSubcommands{
    {"register", "register a prefix"},
    {"unregister", "unregister a prefix"},
    {"create", "create a face"},
    {"destroy", "destroy a face"},
    {"set-strategy", "set strategy choice on namespace"},
    {"unset-strategy", "unset strategy choice on namespace"},
    {"add-nexthop", "add FIB nexthop"},
    {"remove-nexthop", "remove FIB nexthop"}
  };
  for (const LegacyNfdcCommandDefinition& lncd : legacyNfdcSubcommands) {
    CommandDefinition def(lncd.subcommand, "");
    def.setTitle(lncd.title);
    def.addArg("args", ArgValueType::ANY, Required::NO, Positional::YES);
    parser.addCommand(def, &legacyNfdcMain);
  }
}

} // namespace nfdc
} // namespace tools
} // namespace nfd