/*
 *  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) 2011-2012  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 "client.h"
#include "graphics.h"
#include "item.h"
#include "units.h"

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

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

#include "utils/gettext.h"

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

#include <guichan/font.hpp>

#include "debug.h"

ItemPopup::ItemPopup():
    Popup("ItemPopup", "itempopup.xml"),
    mItemName(new Label),
    mItemDesc(new TextBox),
    mItemEffect(new TextBox),
    mItemWeight(new TextBox),
    mIcon(new Icon(nullptr)),
    mLastName(""),
    mLastColor(1)
{
    // Item Name
    mItemName->setFont(boldFont);
    mItemName->setPosition(0, 0);

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

    // Item Description
    mItemDesc->setEditable(false);
    mItemDesc->setPosition(0, fontHeight);
    mItemDesc->setForegroundColor(getThemeColor(Theme::POPUP));

    // Item Effect
    mItemEffect->setEditable(false);
    mItemEffect->setPosition(0, 2 * fontHeight);
    mItemEffect->setForegroundColor(getThemeColor(Theme::POPUP));

    // Item Weight
    mItemWeight->setEditable(false);
    mItemWeight->setPosition(0, 3 * fontHeight);
    mItemWeight->setForegroundColor(getThemeColor(Theme::POPUP));

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

    addMouseListener(this);
}

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

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

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

void ItemPopup::setItem(const ItemInfo &item, const unsigned char color,
                        const bool showImage, int id)
{
    if (!mIcon || (item.getName() == mLastName && color == mLastColor))
        return;

    if (id == -1)
        id = item.getId();

    int space = 0;

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

    if (showImage)
    {
        ResourceManager *const resman = ResourceManager::getInstance();
        Image *const image = resman->getImage(combineDye2(
            paths.getStringValue("itemIcons")
            + item.getDisplay().image, item.getDyeColorsString(color)));

        mIcon->setImage(image);
        if (image)
        {
            mIcon->setPosition(0, 0);
            space = mIcon->getWidth();
        }
    }
    else
    {
        mIcon->setImage(nullptr);
    }

    mItemType = item.getType();

    mLastName = item.getName();
    mLastColor = color;

    if (serverVersion > 0)
    {
        mItemName->setCaption(item.getName(color) + _(", ")
            + toString(id));
        mItemDesc->setTextWrapped(item.getDescription(color), 196);
    }
    else
    {
        mItemName->setCaption(item.getName() + _(", ")
            + toString(id));
        mItemDesc->setTextWrapped(item.getDescription(), 196);
    }

    mItemName->adjustSize();
    mItemName->setForegroundColor(getColor(mItemType));
    mItemName->setPosition(space, 0);

    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();

    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 + 2 + numRowsWeight) * height);
        mItemWeight->setPosition(0, (numRowsDesc + 2) * height);
    }
    else
    {
        setContentSize(minWidth, (numRowsDesc + numRowsEffect + 2
            + numRowsWeight) * height);
        mItemWeight->setPosition(0, (numRowsDesc + numRowsEffect + 2)
            * height);
        mItemEffect->setPosition(0, (numRowsDesc + 2) * height);
    }

    mItemDesc->setPosition(0, 2 * height);
}

gcn::Color ItemPopup::getColor(const ItemType type) const
{
    switch (type)
    {
        case ITEM_UNUSABLE:
            return getThemeColor(Theme::GENERIC);
        case ITEM_USABLE:
            return getThemeColor(Theme::USABLE);
        case ITEM_EQUIPMENT_ONE_HAND_WEAPON:
            return getThemeColor(Theme::ONEHAND);
        case ITEM_EQUIPMENT_TWO_HANDS_WEAPON:
            return getThemeColor(Theme::TWOHAND);
        case ITEM_EQUIPMENT_TORSO:
            return getThemeColor(Theme::TORSO);
        case ITEM_EQUIPMENT_ARMS:
            return getThemeColor(Theme::ARMS);
        case ITEM_EQUIPMENT_HEAD:
            return getThemeColor(Theme::HEAD);
        case ITEM_EQUIPMENT_LEGS:
            return getThemeColor(Theme::LEGS);
        case ITEM_EQUIPMENT_SHIELD:
            return getThemeColor(Theme::SHIELD);
        case ITEM_EQUIPMENT_RING:
            return getThemeColor(Theme::RING);
        case ITEM_EQUIPMENT_NECKLACE:
            return getThemeColor(Theme::NECKLACE);
        case ITEM_EQUIPMENT_FEET:
            return getThemeColor(Theme::FEET);
        case ITEM_EQUIPMENT_AMMO:
            return getThemeColor(Theme::AMMO);
        case ITEM_EQUIPMENT_CHARM:
            return getThemeColor(Theme::CHARM);
        case ITEM_SPRITE_RACE:
        case ITEM_SPRITE_HAIR:
        default:
            return 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);
    mLastName = "";
    mLastColor = 1;
}