////////////////////////////////////////////////////////////////////////////////
//
// Copyright 2006 - 2019, Paul Beckingham, Federico Hernandez.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// https://www.opensource.org/licenses/mit-license.php
//
////////////////////////////////////////////////////////////////////////////////

#include <cmake.h>
#include <CmdUrgency.h>
#include <sstream>
#include <stdlib.h>
#include <Context.h>
#include <Filter.h>
#include <Lexer.h>
#include <main.h>
#include <format.h>

////////////////////////////////////////////////////////////////////////////////
CmdUrgency::CmdUrgency ()
{
  _keyword               = "_urgency";
  _usage                 = "task <filter> _urgency";
  _description           = "Displays the urgency measure of a task";
  _read_only             = true;
  _displays_id           = false;
  _needs_gc              = true;
  _uses_context          = false;
  _accepts_filter        = true;
  _accepts_modifications = false;
  _accepts_miscellaneous = false;
  _category              = Command::Category::internal;
}

////////////////////////////////////////////////////////////////////////////////
int CmdUrgency::execute (std::string& output)
{
  // Apply filter.
  Filter filter;
  std::vector <Task> filtered;
  filter.subset (filtered);

  if (filtered.size () == 0)
  {
    Context::getContext ().footnote ("No tasks specified.");
    return 1;
  }

  // Display urgency for the selected tasks.
  std::stringstream out;
  for (auto& task : filtered)
  {
    out << format ("task {1} urgency {2}",
                   task.identifier (),
                   Lexer::trim (format (task.urgency (), 6, 3)))
        << '\n';
  }

  output = out.str ();
  return 0;
}

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