/************************************************************************
 *
 * Copyright (C) 2009-2022 IRCAD France
 * Copyright (C) 2012-2020 IHU Strasbourg
 *
 * This file is part of Sight.
 *
 * Sight is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Sight 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Sight. If not, see <https://www.gnu.org/licenses/>.
 *
 ***********************************************************************/

/**
 * @brief This file defines the implementation of the class for managing a cardinal layout geometry.
 */

#include "ui/base/layoutManager/CardinalLayoutManagerBase.hpp"

#include <core/base.hpp>

#include <boost/lexical_cast.hpp>

namespace sight::ui::base
{

namespace layoutManager
{

//-----------------------------------------------------------------------------

const CardinalLayoutManagerBase::RegistryKeyType CardinalLayoutManagerBase::REGISTRY_KEY =
    "sight::ui::base::CardinalLayoutManager";

//-----------------------------------------------------------------------------

const std::map<std::string, CardinalLayoutManagerBase::Align> CardinalLayoutManagerBase::STRING_TO_ALIGN = {
    {"center", CENTER},
    {"right", RIGHT},
    {"left", LEFT},
    {"bottom", BOTTOM},
    {"top", TOP},
};

//-----------------------------------------------------------------------------

CardinalLayoutManagerBase::CardinalLayoutManagerBase()
{
}

//-----------------------------------------------------------------------------

CardinalLayoutManagerBase::~CardinalLayoutManagerBase()
{
}

//-----------------------------------------------------------------------------

void CardinalLayoutManagerBase::initialize(ConfigurationType configuration)
{
    SIGHT_ASSERT(
        "Bad configuration name " << configuration->getName() << ", must be layout",
        configuration->getName() == "layout"
    );

    std::vector<ConfigurationType> vectViews = configuration->find("view");
    m_views.clear();
    for(ConfigurationType view : vectViews)
    {
        ViewInfo vi;
        if(view->hasAttribute("align"))
        {
            const std::string align = view->getExistingAttributeValue("align");
            SIGHT_ASSERT("Align " << align << " unknown", STRING_TO_ALIGN.find(align) != STRING_TO_ALIGN.end());
            vi.m_align = STRING_TO_ALIGN.find(align)->second;
        }

        if(view->hasAttribute("minWidth"))
        {
            const std::string width = view->getExistingAttributeValue("minWidth");
            vi.m_minSize.first = boost::lexical_cast<int>(width);
        }

        if(view->hasAttribute("minHeight"))
        {
            const std::string height = view->getExistingAttributeValue("minHeight");
            vi.m_minSize.second = boost::lexical_cast<int>(height);
        }

        if(view->hasAttribute("resizable"))
        {
            const std::string resizable = view->getExistingAttributeValue("resizable");
            SIGHT_ASSERT(
                "Incorrect value for \"resizable\" attribute " << resizable,
                (resizable == "true") || (resizable == "false")
            );
            vi.m_isResizable = (resizable == "true");
        }

        if(view->hasAttribute("position"))
        {
            const std::string position = view->getExistingAttributeValue("position");
            vi.m_position = boost::lexical_cast<int>(position);
        }

        if(view->hasAttribute("layer"))
        {
            const std::string layer = view->getExistingAttributeValue("layer");
            vi.m_layer = boost::lexical_cast<int>(layer);
        }

        if(view->hasAttribute("row"))
        {
            const std::string row = view->getExistingAttributeValue("row");
            vi.m_row = boost::lexical_cast<int>(row);
        }

        if(view->hasAttribute("visible"))
        {
            const std::string visible = view->getExistingAttributeValue("visible");
            SIGHT_ASSERT(
                "Incorrect value for \"visible\" attribute " << visible,
                (visible == "true") || (visible == "false")
            );
            vi.m_visible = ((visible == "true"));
        }

        if(view->hasAttribute("caption"))
        {
            vi.m_caption.first  = true;
            vi.m_caption.second = view->getExistingAttributeValue("caption");
        }

        if(view->hasAttribute("useScrollBar"))
        {
            const std::string useScrollBar = view->getExistingAttributeValue("useScrollBar");
            SIGHT_ASSERT(
                "Incorrect value for \"useScrollBar\" attribute " << useScrollBar,
                (useScrollBar == "true") || (useScrollBar == "false")
            );
            vi.m_useScrollBar = (useScrollBar == "true");
        }

        if(view->hasAttribute("toolTip"))
        {
            const std::string toolTip = view->getExistingAttributeValue("toolTip");
            vi.m_toolTip = toolTip;
        }

        if(view->hasAttribute("backgroundColor"))
        {
            const std::string hexaColor = view->getExistingAttributeValue("backgroundColor");
            if(!hexaColor.empty())
            {
                SIGHT_ASSERT(
                    "Color string should start with '#' and followed by 6 or 8 "
                    "hexadecimal digits. Given color: " << hexaColor,
                    hexaColor[0] == '#'
                    && (hexaColor.length() == 7 || hexaColor.length() == 9)
                );
                vi.m_backgroundColor = hexaColor;
            }
        }

        m_views.push_back(vi);
    }
}

//-----------------------------------------------------------------------------

} // namespace layoutManager

} // namespace sight::ui::base
