////////////////////////////////////////////////////////////////////////////////
// taskwarrior - a command line task list manager.
//
// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
// All rights reserved.
//
// This program 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 2 of the License, or (at your option) any later
// version.
//
// 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.,
//     51 Franklin Street, Fifth Floor,
//     Boston, MA
//     02110-1301
//     USA
//
////////////////////////////////////////////////////////////////////////////////

#define L10N                                           // Localization complete.

#include <sstream>
#include <Context.h>
#include <Permission.h>
#include <main.h>
#include <text.h>
#include <i18n.h>
#include <CmdAnnotate.h>

extern Context context;

////////////////////////////////////////////////////////////////////////////////
CmdAnnotate::CmdAnnotate ()
{
  _keyword     = "annotate";
  _usage       = "task <filter> annotate <mods>";
  _description = STRING_CMD_ANNO_USAGE;
  _read_only   = false;
  _displays_id = false;
}

////////////////////////////////////////////////////////////////////////////////
int CmdAnnotate::execute (std::string& output)
{
  int rc = 0;
  int count = 0;
  std::stringstream out;

  // Apply filter.
  std::vector <Task> filtered;
  filter (filtered);
  if (filtered.size () == 0)
  {
    context.footnote (STRING_FEEDBACK_NO_TASKS_SP);
    return 1;
  }

  // Apply the command line modifications to the completed task.
  A3 modifications = context.a3.extract_modifications ();
  if (!modifications.size ())
    throw std::string (STRING_CMD_XPEND_NEED_TEXT);

  Permission permission;
  if (filtered.size () > (size_t) context.config.getInteger ("bulk"))
    permission.bigSequence ();

  std::vector <Task>::iterator task;
  for (task = filtered.begin (); task != filtered.end (); ++task)
  {
    Task before (*task);
    modify_task_annotate (*task, modifications);

    if (taskDiff (before, *task))
    {
      if (permission.confirmed (before,
                                taskDifferences (before, *task)
                                + STRING_CMD_DONE_PROCEED))
      {
        context.tdb2.modify (*task);
        ++count;

        if (context.verbose ("affected") ||
            context.config.getBoolean ("echo.command")) // Deprecated 2.0
          out << format (STRING_CMD_ANNO_DONE,
                         task->id,
                         task->get ("description"))
              << "\n";
      }
    }
  }

  context.tdb2.commit ();

  if (context.verbose ("affected") ||
      context.config.getBoolean ("echo.command")) // Deprecated 2.0
    out << format ((count == 1
                      ? STRING_CMD_ANNO_SUMMARY
                      : STRING_CMD_ANNO_SUMMARY_N),
                   count)
        << "\n";

  output = out.str ();
  return rc;
}

////////////////////////////////////////////////////////////////////////////////