////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2016 ArangoDB 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 Jan Steemann
////////////////////////////////////////////////////////////////////////////////

#include "Section.h"
#include "ApplicationFeatures/ShellColorsFeature.h"
#include "ProgramOptions/Option.h"

#include <iostream>

using namespace arangodb::options;

// whether or not the section has (displayable) options
bool Section::hasOptions() const {
  if (!hidden) {
    for (auto const& it : options) {
      if (!it.second.hasFlag(arangodb::options::Flags::Hidden)) {
        return true;
      }
    }
  }
  return false;
}

// print help for a section
// the special search string "." will show help for all sections, even if hidden
void Section::printHelp(std::string const& search, size_t tw, size_t ow, bool colors) const {
  if (search != "." && (hidden || !hasOptions())) {
    return;
  }

  if (colors) {
    std::cout << "Section '" << ShellColorsFeature::SHELL_COLOR_BRIGHT
              << displayName() << ShellColorsFeature::SHELL_COLOR_RESET << "' ("
              << description << ")" << std::endl;
  } else {
    std::cout << "Section '" << displayName() << "' (" << description << ")" << std::endl;
  }

  // propagate print command to options
  for (auto const& it : options) {
    it.second.printHelp(search, tw, ow, colors);
  }

  std::cout << std::endl;
}

// determine display width for a section
size_t Section::optionsWidth() const {
  size_t width = 0;

  if (!hidden) {
    for (auto const& it : options) {
      width = (std::max)(width, it.second.optionsWidth());
    }
  }

  return width;
}