// Copyright(c) 2017-2019 Alejandro Sirgo Rica & Contributors
//
// This file is part of Flameshot.
//
//     Flameshot 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.
//
//     Flameshot 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 Flameshot.  If not, see <http://www.gnu.org/licenses/>.

#include "commandoption.h"

CommandOption::CommandOption(const QString& name,
                             const QString& description,
                             const QString& valueName,
                             const QString& defaultValue)
  : m_names(name)
  , m_description(description)
  , m_valueName(valueName)
  , m_value(defaultValue)
{
  m_checker = [](QString const&) { return true; };
}

CommandOption::CommandOption(const QStringList& names,
                             const QString& description,
                             const QString& valueName,
                             const QString& defaultValue)
  : m_names(names)
  , m_description(description)
  , m_valueName(valueName)
  , m_value(defaultValue)
{
  m_checker = [](QString const&) -> bool { return true; };
}

void
CommandOption::setName(const QString& name)
{
  m_names = QStringList() << name;
}

void
CommandOption::setNames(const QStringList& names)
{
  m_names = names;
}

QStringList
CommandOption::names() const
{
  return m_names;
}

QStringList
CommandOption::dashedNames() const
{
  QStringList dashedNames;
  for (const QString& name : m_names) {
    // prepend "-" to single character options, and "--" to the others
    QString dashedName = (name.length() == 1)
                           ? QStringLiteral("-%1").arg(name)
                           : QStringLiteral("--%1").arg(name);
    dashedNames << dashedName;
  }
  return dashedNames;
}

void
CommandOption::setValueName(const QString& name)
{
  m_valueName = name;
}

QString
CommandOption::valueName() const
{
  return m_valueName;
}

void
CommandOption::setValue(const QString& value)
{
  if (m_valueName.isEmpty()) {
    m_valueName = QLatin1String("value");
  }
  m_value = value;
}

QString
CommandOption::value() const
{
  return m_value;
}

void
CommandOption::addChecker(const function<bool(const QString&)> checker,
                          const QString& errMsg)
{
  m_checker = checker;
  m_errorMsg = errMsg;
}

bool
CommandOption::checkValue(const QString& value) const
{
  return m_checker(value);
}

QString
CommandOption::description() const
{
  return m_description;
}

void
CommandOption::setDescription(const QString& description)
{
  m_description = description;
}

QString
CommandOption::errorMsg() const
{
  return m_errorMsg;
}

bool
CommandOption::operator==(const CommandOption& option) const
{
  return m_description == option.m_description && m_names == option.m_names &&
         m_valueName == option.m_valueName;
}