/* Copyright © 2005-2013  Roger Leigh <rleigh@debian.org>
 *
 * schroot 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.
 *
 * schroot 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, see
 * <http://www.gnu.org/licenses/>.
 *
 *********************************************************************/

#include <config.h>

#include <sbuild/chroot/chroot.h>
#include <sbuild/chroot/config.h>
#include <sbuild/chroot/facet/session.h>
#include "format-detail.h"

#include <cassert>

#include <boost/format.hpp>

using boost::format;
using std::endl;
using namespace sbuild;

namespace sbuild
{
  namespace chroot
  {
    namespace facet
    {

      session::session ():
        facet(),
        original_chroot_name(),
        selected_chroot_name()
      {
      }

      session::~session ()
      {
      }

      session::ptr
      session::create ()
      {
        return ptr(new session());
      }

      facet::ptr
      session::clone () const
      {
        return ptr(new session(*this));
      }

      std::string const&
      session::get_name () const
      {
        static const std::string name("session");

        return name;
      }

      std::string const&
      session::get_original_name () const
      {
        return this->original_chroot_name;
      }

      void
      session::set_original_name (std::string const& name)
      {
        this->original_chroot_name = name;
        this->selected_chroot_name = name;
      }

      std::string const&
      session::get_selected_name () const
      {
        return this->selected_chroot_name;
      }

      void
      session::set_selected_name (std::string const& name)
      {
        std::string ns, shortname;
        config::get_namespace(name, ns, shortname);
        this->selected_chroot_name = shortname;
      }

      void
      session::setup_env (chroot const& chroot,
                          environment&  env) const
      {
        // Add original name to environment, but only if set (otherwise
        // defaults to session ID).
        if (!get_original_name().empty())
          env.add("CHROOT_NAME", get_original_name());

        if (!get_selected_name().empty())
          env.add("CHROOT_ALIAS", get_selected_name());
      }

      void
      session::get_details (chroot const&  chroot,
                            format_detail& detail) const
      {
        if (!get_original_name().empty())
          detail.add(_("Original Chroot Name"), get_original_name());
        if (!get_original_name().empty())
          detail.add(_("Selected Chroot Name"), get_selected_name());
        if (!chroot.get_name().empty())
          detail.add(_("Session ID"), chroot.get_name());
      }

      void
      session::get_used_keys (string_list& used_keys) const
      {
        used_keys.push_back("active");
        used_keys.push_back("source-users");
        used_keys.push_back("source-groups");
        used_keys.push_back("source-root-users");
        used_keys.push_back("source-root-groups");
        used_keys.push_back("original-name");
        used_keys.push_back("selected-name");
      }

      void
      session::get_keyfile (chroot const& chroot,
                            keyfile&      keyfile) const
      {
        keyfile::set_object_value(*this, &session::get_original_name,
                                  keyfile, chroot.get_name(),
                                  "original-name");

        keyfile::set_object_value(*this, &session::get_selected_name,
                                  keyfile, chroot.get_name(),
                                  "selected-name");
      }

      void
      session::set_keyfile (chroot&        chroot,
                            keyfile const& keyfile)
      {
        // Null methods for obsolete keys.
        void (session::* nullmethod)(bool) = 0;
        void (session::* nullvmethod)(string_list const&) = 0;

        // Setting when not clonable is deprecated.  It can't be obsoleted
        // yet because it is required to allow use and ending of existing
        // sessions which have set this parameter (even though it's
        // useless).
        keyfile::get_object_value(*this, nullmethod,
                                  keyfile, chroot.get_name(),
                                  "active",
                                  keyfile::PRIORITY_OBSOLETE);

        keyfile::get_object_list_value(*this, nullvmethod,
                                       keyfile, chroot.get_name(),
                                       "source-users",
                                       keyfile::PRIORITY_OBSOLETE);

        keyfile::get_object_list_value(*this, nullvmethod,
                                       keyfile, chroot.get_name(),
                                       "source-groups",
                                       keyfile::PRIORITY_OBSOLETE);

        keyfile::get_object_list_value(*this, nullvmethod,
                                       keyfile, chroot.get_name(),
                                       "source-root-users",
                                       keyfile::PRIORITY_OBSOLETE);

        keyfile::get_object_list_value(*this, nullvmethod,
                                       keyfile, chroot.get_name(),
                                       "source-root-groups",
                                       keyfile::PRIORITY_OBSOLETE);

        keyfile::get_object_value(*this, &session::set_original_name,
                                  keyfile, chroot.get_name(),
                                  "original-name",
                                  keyfile::PRIORITY_OPTIONAL);

        keyfile::get_object_value(*this, &session::set_selected_name,
                                  keyfile, chroot.get_name(),
                                  "selected-name",
                                  keyfile::PRIORITY_OPTIONAL);
      }

    }
  }
}