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

#include <iostream>
#include <vector>
#include <Command.h>
#include <CmdAdd.h>
#include <CmdAnnotate.h>
#include <CmdAppend.h>
#include <CmdBurndown.h>
#include <CmdCalendar.h>
#include <CmdColor.h>
#include <CmdCommands.h>
#include <CmdConfig.h>
#include <CmdCount.h>
#include <CmdCustom.h>
#include <CmdDelete.h>
#include <CmdDenotate.h>
#include <CmdDiagnostics.h>
#include <CmdDone.h>
#include <CmdDuplicate.h>
#include <CmdEdit.h>
#include <CmdExec.h>
#include <CmdHelp.h>
#include <CmdHistory.h>
#include <CmdIDs.h>
#include <CmdImport.h>
#include <CmdInfo.h>
#include <CmdInstall.h>
#include <CmdLog.h>
#include <CmdLogo.h>
#include <CmdMerge.h>
#include <CmdModify.h>
#include <CmdPrepend.h>
#include <CmdProjects.h>
#include <CmdPull.h>
#include <CmdPush.h>
#include <CmdQuery.h>
#include <CmdReports.h>
#include <CmdShell.h>
#include <CmdShow.h>
#include <CmdStart.h>
#include <CmdStatistics.h>
#include <CmdStop.h>
#include <CmdSummary.h>
#include <CmdTags.h>
#include <CmdTimesheet.h>
#include <CmdUndo.h>
#include <CmdUrgency.h>
#include <CmdVersion.h>
#include <Context.h>

extern Context context;

////////////////////////////////////////////////////////////////////////////////
void Command::factory (std::map <std::string, Command*>& all)
{
  Command* c;

  c = new CmdAdd ();                all[c->keyword ()] = c;
  c = new CmdAnnotate ();           all[c->keyword ()] = c;
  c = new CmdAppend ();             all[c->keyword ()] = c;
  c = new CmdBurndownDaily ();      all[c->keyword ()] = c;
  c = new CmdBurndownMonthly ();    all[c->keyword ()] = c;
  c = new CmdBurndownWeekly ();     all[c->keyword ()] = c;
  c = new CmdCalendar ();           all[c->keyword ()] = c;
  c = new CmdColor ();              all[c->keyword ()] = c;
  c = new CmdCompletionCommands (); all[c->keyword ()] = c;
  c = new CmdCompletionConfig ();   all[c->keyword ()] = c;
  c = new CmdCompletionIds ();      all[c->keyword ()] = c;
  c = new CmdCompletionProjects (); all[c->keyword ()] = c;
  c = new CmdCompletionTags ();     all[c->keyword ()] = c;
  c = new CmdCompletionVersion ();  all[c->keyword ()] = c;
  c = new CmdConfig ();             all[c->keyword ()] = c;
  c = new CmdCount ();              all[c->keyword ()] = c;
  c = new CmdDelete ();             all[c->keyword ()] = c;
  c = new CmdDenotate ();           all[c->keyword ()] = c;
  c = new CmdDiagnostics ();        all[c->keyword ()] = c;
  c = new CmdDone ();               all[c->keyword ()] = c;
  c = new CmdDuplicate ();          all[c->keyword ()] = c;
  c = new CmdEdit ();               all[c->keyword ()] = c;
  c = new CmdExec ();               all[c->keyword ()] = c;
  c = new CmdGHistoryMonthly ();    all[c->keyword ()] = c;
  c = new CmdGHistoryAnnual ();     all[c->keyword ()] = c;
  c = new CmdHelp ();               all[c->keyword ()] = c;
  c = new CmdHistoryMonthly ();     all[c->keyword ()] = c;
  c = new CmdHistoryAnnual ();      all[c->keyword ()] = c;
  c = new CmdIDs ();                all[c->keyword ()] = c;
  c = new CmdImport ();             all[c->keyword ()] = c;
  c = new CmdInfo ();               all[c->keyword ()] = c;
  c = new CmdInstall ();            all[c->keyword ()] = c;
  c = new CmdLog ();                all[c->keyword ()] = c;
  c = new CmdLogo ();               all[c->keyword ()] = c;
  c = new CmdMerge ();              all[c->keyword ()] = c;
  c = new CmdModify ();             all[c->keyword ()] = c;
  c = new CmdPrepend ();            all[c->keyword ()] = c;
  c = new CmdProjects ();           all[c->keyword ()] = c;
  c = new CmdPull ();               all[c->keyword ()] = c;
  c = new CmdPush ();               all[c->keyword ()] = c;
  c = new CmdQuery ();              all[c->keyword ()] = c;
  c = new CmdReports ();            all[c->keyword ()] = c;
  c = new CmdShell ();              all[c->keyword ()] = c;
  c = new CmdShow ();               all[c->keyword ()] = c;
  c = new CmdStart ();              all[c->keyword ()] = c;
  c = new CmdStatistics ();         all[c->keyword ()] = c;
  c = new CmdStop ();               all[c->keyword ()] = c;
  c = new CmdSummary ();            all[c->keyword ()] = c;
  c = new CmdTags ();               all[c->keyword ()] = c;
  c = new CmdTimesheet ();          all[c->keyword ()] = c;
  c = new CmdUndo ();               all[c->keyword ()] = c;
  c = new CmdUrgency ();            all[c->keyword ()] = c;
  c = new CmdVersion ();            all[c->keyword ()] = c;
  c = new CmdZshCommands ();        all[c->keyword ()] = c;
  c = new CmdZshCompletionIds ();   all[c->keyword ()] = c;

  // Instantiate a command object for each custom report.
  std::vector <std::string> variables;
  context.config.all (variables);

  std::vector <std::string> reports;
  std::vector <std::string>::iterator i;
  for (i = variables.begin (); i != variables.end (); ++i)
  {
    if (i->substr (0, 7) == "report.")
    {
      std::string report = i->substr (7);
      std::string::size_type columns = report.find (".columns");
      if (columns != std::string::npos)
        reports.push_back (report.substr (0, columns));
    }
  }

  std::vector <std::string>::iterator report;
  for (report = reports.begin (); report != reports.end (); ++report)
  {
    // Make sure a custom report does not clash with a built-in command.
    if (all.find (*report) != all.end ())
      throw std::string ("Custom report '")
            + *report
            + "' conflicts with built-in task command.";

    c = new CmdCustom (
              *report,
              "task " + *report + " [tags] [attrs] desc...",
              context.config.get ("report." + *report + ".description"));

    all[c->keyword ()] = c;
  }
}

////////////////////////////////////////////////////////////////////////////////
Command::Command ()
: _usage ("")
, _description ("")
, _read_only (true)
, _displays_id (true)
{
}

////////////////////////////////////////////////////////////////////////////////
Command::Command (const Command& other)
{
  _usage       = other._usage;
  _description = other._description;
  _read_only   = other._read_only;
  _displays_id = other._displays_id;
}

////////////////////////////////////////////////////////////////////////////////
Command& Command::operator= (const Command& other)
{
  if (this != &other)
  {
    _usage       = other._usage;
    _description = other._description;
    _read_only   = other._read_only;
    _displays_id = other._displays_id;
  }

  return *this;
}

////////////////////////////////////////////////////////////////////////////////
bool Command::operator== (const Command& other) const
{
  return _usage       == other._usage       &&
         _description == other._description &&
         _read_only   == other._read_only   &&
         _displays_id == other._displays_id;
}

////////////////////////////////////////////////////////////////////////////////
Command::~Command ()
{
}

////////////////////////////////////////////////////////////////////////////////
std::string Command::keyword () const
{
  return _keyword;
}

////////////////////////////////////////////////////////////////////////////////
std::string Command::usage () const
{
  return _usage;
}

////////////////////////////////////////////////////////////////////////////////
std::string Command::description () const
{
  return _description;
}

////////////////////////////////////////////////////////////////////////////////
bool Command::read_only () const
{
  return _read_only;
}

////////////////////////////////////////////////////////////////////////////////
bool Command::displays_id () const
{
  return _displays_id;
}

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