/*
 *  The ManaPlus Client
 *  Copyright (C) 2008  The Legend of Mazzeroth Development Team
 *  Copyright (C) 2008-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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
 *  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, see <http://www.gnu.org/licenses/>.
 */

#include "gui/itempopup.h"

#include "graphics.h"
#include "item.h"
#include "units.h"

#include "gui/gui.h"
#include "gui/theme.h"

#include "gui/widgets/icon.h"
#include "gui/widgets/textbox.h"

#include "utils/gettext.h"
#include "utils/stringutils.h"

#include "resources/image.h"
#include "resources/resourcemanager.h"

#include <guichan/font.hpp>

#include <guichan/widgets/label.hpp>
#include <guichan/widgets/container.hpp>

ItemPopup::ItemPopup():
    Popup("ItemPopup"),
    mIcon(0)
{
    // Item Name
    mItemName = new gcn::Label;
    mItemName->setFont(boldFont);
    mItemName->setPosition(getPadding(), getPadding());

    const int fontHeight = getFont()->getHeight();

    // Item Description
    mItemDesc = new TextBox;
    mItemDesc->setEditable(false);
    mItemDesc->setPosition(getPadding(), fontHeight);

    // Item Effect
    mItemEffect = new TextBox;
    mItemEffect->setEditable(false);
    mItemEffect->setPosition(getPadding(), 2 * fontHeight + 2 * getPadding());

    // Item Weight
    mItemWeight = new TextBox;
    mItemWeight->setEditable(false);
    mItemWeight->setPosition(getPadding(), 3 * fontHeight + 4 * getPadding());

    mIcon = new Icon(0);

    add(mItemName);
    add(mItemDesc);
    add(mItemEffect);
    add(mItemWeight);
    add(mIcon);

    addMouseListener(this);
}

ItemPopup::~ItemPopup()
{
    if (mIcon)
    {
        Image *image = mIcon->getImage();
        if (image)
            image->decRef();
    }
}

void ItemPopup::setItem(const Item *item, bool showImage)
{
    if (!item)
        return;

    const ItemInfo &ii = item->getInfo();
    setItem(ii, showImage);
    if (item->getRefine() > 0)
    {
        mItemName->setCaption(strprintf("%s (+%d), %d", ii.getName().c_str(),
                              item->getRefine(), ii.getId()));
        mItemName->adjustSize();
        int minWidth = mItemName->getWidth() + 8;
        if (getWidth() < minWidth)
            setWidth(minWidth);
    }
}

void ItemPopup::setItem(const ItemInfo &item, bool showImage)
{
    if (!mIcon || item.getName() == mItemName->getCaption())
        return;

    int space = 0;

    Image *oldImage = mIcon->getImage();
    if (oldImage)
        oldImage->decRef();

    if (showImage)
    {
        ResourceManager *resman = ResourceManager::getInstance();
        Image *image = resman->getImage(
            paths.getStringValue("itemIcons")
            + item.getDisplay().image);

        mIcon->setImage(image);
        if (image)
        {
            int x = getPadding();
            int y = getPadding();
            mIcon->setPosition(x, y);
            space = mIcon->getWidth();
        }
    }
    else
    {
        mIcon->setImage(0);
    }

    mItemType = item.getType();

    mItemName->setCaption(item.getName() + _(", ") + toString(item.getId()));
    mItemName->adjustSize();
    mItemName->setForegroundColor(getColor(mItemType));
    mItemName->setPosition(getPadding() + space, getPadding());

    mItemDesc->setTextWrapped(item.getDescription(), 196);
    mItemEffect->setTextWrapped(item.getEffect(), 196);
    mItemWeight->setTextWrapped(strprintf(_("Weight: %s"),
                                Units::formatWeight(item.getWeight()).c_str()),
                                196);

    int minWidth = mItemName->getWidth() + space;

    if (mItemName->getWidth() + space > minWidth)
        minWidth = mItemName->getWidth() + space;
    if (mItemDesc->getMinWidth() > minWidth)
        minWidth = mItemDesc->getMinWidth();
    if (mItemEffect->getMinWidth() > minWidth)
        minWidth = mItemEffect->getMinWidth();
    if (mItemWeight->getMinWidth() > minWidth)
        minWidth = mItemWeight->getMinWidth();

    minWidth += 8;
    setWidth(minWidth);

    const int numRowsDesc = mItemDesc->getNumberOfRows();
    const int numRowsEffect = mItemEffect->getNumberOfRows();
    const int numRowsWeight = mItemWeight->getNumberOfRows();
    const int height = getFont()->getHeight();

    if (item.getEffect().empty())
    {
        setContentSize(minWidth, (numRowsDesc + numRowsWeight + getPadding()) *
                       height);

        mItemWeight->setPosition(getPadding(), (numRowsDesc + getPadding()) *
                                 height);
    }
    else
    {
        setContentSize(minWidth, (numRowsDesc + numRowsEffect + numRowsWeight +
                       getPadding()) * height);

        mItemWeight->setPosition(getPadding(), (numRowsDesc + numRowsEffect +
                                 getPadding()) * height);
    }

    mItemDesc->setPosition(getPadding(), 2 * height);
    mItemEffect->setPosition(getPadding(),
        (numRowsDesc + getPadding()) * height);
}

gcn::Color ItemPopup::getColor(ItemType type)
{
    switch (type)
    {
        case ITEM_UNUSABLE:
            return Theme::getThemeColor(Theme::GENERIC);
        case ITEM_USABLE:
            return Theme::getThemeColor(Theme::USABLE);
        case ITEM_EQUIPMENT_ONE_HAND_WEAPON:
            return Theme::getThemeColor(Theme::ONEHAND);
        case ITEM_EQUIPMENT_TWO_HANDS_WEAPON:
            return Theme::getThemeColor(Theme::TWOHAND);
        case ITEM_EQUIPMENT_TORSO:
            return Theme::getThemeColor(Theme::TORSO);
        case ITEM_EQUIPMENT_ARMS:
            return Theme::getThemeColor(Theme::ARMS);
        case ITEM_EQUIPMENT_HEAD:
            return Theme::getThemeColor(Theme::HEAD);
        case ITEM_EQUIPMENT_LEGS:
            return Theme::getThemeColor(Theme::LEGS);
        case ITEM_EQUIPMENT_SHIELD:
            return Theme::getThemeColor(Theme::SHIELD);
        case ITEM_EQUIPMENT_RING:
            return Theme::getThemeColor(Theme::RING);
        case ITEM_EQUIPMENT_NECKLACE:
            return Theme::getThemeColor(Theme::NECKLACE);
        case ITEM_EQUIPMENT_FEET:
            return Theme::getThemeColor(Theme::FEET);
        case ITEM_EQUIPMENT_AMMO:
            return Theme::getThemeColor(Theme::AMMO);
        default:
            return Theme::getThemeColor(Theme::UNKNOWN_ITEM);
    }
}

void ItemPopup::mouseMoved(gcn::MouseEvent &event)
{
    Popup::mouseMoved(event);

    // When the mouse moved on top of the popup, hide it
    setVisible(false);
}