/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  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/ministatus.h"

#include "animatedsprite.h"
#include "configuration.h"
#include "graphics.h"
#include "playerinfo.h"

#include "gui/chatwindow.h"
#include "gui/gui.h"
#include "gui/statuswindow.h"
#include "gui/statuspopup.h"
#include "gui/textpopup.h"
#include "gui/theme.h"
#include "gui/viewport.h"

#include "gui/widgets/chattab.h"
#include "gui/widgets/label.h"
#include "gui/widgets/progressbar.h"

#include "net/net.h"
#include "net/playerhandler.h"
#include "net/gamehandler.h"

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

extern volatile int tick_time;

MiniStatusWindow::MiniStatusWindow():
    Popup("MiniStatus")
{
    listen(CHANNEL_ATTRIBUTES);

    mHpBar = createBar(0, 100, 20, Theme::PROG_HP, "hp bar", _("health bar"));
    StatusWindow::updateHPBar(mHpBar);

    if (Net::getGameHandler()->canUseMagicBar())
    {
        mMpBar = createBar(0, 100, 20, Net::getPlayerHandler()->canUseMagic()
            ? Theme::PROG_MP : Theme::PROG_NO_MP, "mp bar", _("mana bar"));
        StatusWindow::updateMPBar(mMpBar);
    }
    else
    {
        mMpBar = 0;
    }

    int job = Net::getPlayerHandler()->getJobLocation()
              && serverConfig.getValueBool("showJob", false);

    mXpBar = createBar(0, 100, 20, Theme::PROG_EXP,
                       "xp bar", _("experience bar"));
    StatusWindow::updateXPBar(mXpBar);

    if (job)
    {
        mJobBar = createBar(0, 100, 20, Theme::PROG_JOB, "job bar",
                            _("job bar"));
        StatusWindow::updateJobBar(mJobBar);
    }
    else
    {
        mJobBar = 0;
    }

    mWeightBar = createBar(0, 140, 20, Theme::PROG_WEIGHT,
                           "weight bar", _("weight bar"));

    mInvSlotsBar = createBar(0, 45, 20, Theme::PROG_INVY_SLOTS,
                             "inventory slots bar", _("inventory slots bar"));

    mMoneyBar = createBar(0, 130, 20, Theme::PROG_INVY_SLOTS,
                          "money bar", _("money bar"));

    mArrowsBar = createBar(0, 50, 20, Theme::PROG_INVY_SLOTS,
                           "arrows bar", _("arrows bar"));

    mStatusBar = createBar(100, 150, 20, Theme::PROG_EXP,
                           "status bar", _("status bar"));

    loadBars();
    updateBars();

    setVisible(config.getValueBool(getPopupName() + "Visible", true));

    mStatusPopup = new StatusPopup();
    mTextPopup = new TextPopup();

    addMouseListener(this);
    Inventory *inv = PlayerInfo::getInventory();
    if (inv)
        inv->addInventoyListener(this);

    StatusWindow::updateMoneyBar(mMoneyBar);
    StatusWindow::updateArrowsBar(mArrowsBar);
    updateStatus();
}

MiniStatusWindow::~MiniStatusWindow()
{
    delete mTextPopup;
    mTextPopup = 0;
    delete mStatusPopup;
    mStatusPopup = 0;

    Inventory *inv = PlayerInfo::getInventory();
    if (inv)
        inv->removeInventoyListener(this);

    std::list <ProgressBar*>::iterator it, it_end;
    for (it = mBars.begin(), it_end = mBars.end(); it != it_end; ++it)
    {
        ProgressBar *bar = *it;
        if (!bar)
            continue;
        if (!bar->isVisible())
            delete bar;
    }
}

ProgressBar *MiniStatusWindow::createBar(float progress, int width, int height,
                                         int color, std::string name,
                                         std::string description)
{
    ProgressBar *bar = new ProgressBar(progress, width, height, color);
    bar->setActionEventId(name);
    bar->setId(description);
    mBars.push_back(bar);
    mBarNames[name] = bar;
    return bar;
}

void MiniStatusWindow::updateBars()
{
    int x = 0;
    std::list <ProgressBar*>::iterator it, it_end;
    ProgressBar* lastBar = 0;
    for (it = mBars.begin(), it_end = mBars.end(); it != it_end; ++it)
        safeRemove(*it);
    for (it = mBars.begin(), it_end = mBars.end(); it != it_end; ++it)
    {
        ProgressBar *bar = *it;
        if (!bar)
            continue;
        if (bar->isVisible())
        {
            bar->setPosition(x, 3);
            add(bar);
            x += bar->getWidth() + 3;
            lastBar = bar;
        }
    }

    if (lastBar)
    {
        setContentSize(lastBar->getX() + lastBar->getWidth(),
            lastBar->getY() + lastBar->getHeight());
    }
}

void MiniStatusWindow::setIcon(int index, AnimatedSprite *sprite)
{
    if (index >= static_cast<int>(mIcons.size()))
        mIcons.resize(index + 1, 0);

    delete mIcons[index];

    mIcons[index] = sprite;
}

void MiniStatusWindow::eraseIcon(int index)
{
    mIcons.erase(mIcons.begin() + index);
}

void MiniStatusWindow::drawIcons(Graphics *graphics)
{
    // Draw icons
    int icon_x = mStatusBar->getX() + mStatusBar->getWidth() + 4;
    for (unsigned int i = 0; i < mIcons.size(); i++)
    {
        if (mIcons[i])
        {
            mIcons[i]->draw(graphics, icon_x, 3);
            icon_x += 2 + mIcons[i]->getWidth();
        }
    }
}

void MiniStatusWindow::event(Channels channel _UNUSED_,
                             const Mana::Event &event)
{
    if (event.getName() == EVENT_UPDATEATTRIBUTE)
    {
        int id = event.getInt("id");
        if (id == HP || id == MAX_HP)
            StatusWindow::updateHPBar(mHpBar);
        else if (id == MP || id == MAX_MP)
            StatusWindow::updateMPBar(mMpBar);
        else if (id == EXP || id == EXP_NEEDED)
            StatusWindow::updateXPBar(mXpBar);
        else if (id == TOTAL_WEIGHT || id == MAX_WEIGHT)
            StatusWindow::updateWeightBar(mWeightBar);
        else if (id == MONEY)
            StatusWindow::updateMoneyBar(mMoneyBar);
    }
    else if (event.getName() == EVENT_UPDATESTAT)
    {
        StatusWindow::updateMPBar(mMpBar);
        StatusWindow::updateJobBar(mJobBar);
    }
}

void MiniStatusWindow::updateStatus()
{
    StatusWindow::updateStatusBar(mStatusBar);
    if (mStatusPopup && mStatusPopup->isVisible())
        mStatusPopup->update();
}

void MiniStatusWindow::logic()
{
    Popup::logic();

    for (unsigned int i = 0; i < mIcons.size(); i++)
    {
        if (mIcons[i])
            mIcons[i]->update(tick_time * 10);
    }
}

void MiniStatusWindow::draw(gcn::Graphics *graphics)
{
    drawChildren(graphics);
}

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

    const int x = event.getX();
    const int y = event.getY();

    if (event.getSource() == mStatusBar)
    {
        mStatusPopup->view(x + getX(), y + getY());
        mTextPopup->hide();
    }
    else if (event.getSource() == mXpBar)
    {
        if (PlayerInfo::getAttribute(EXP)
            > PlayerInfo::getAttribute(EXP_NEEDED))
        {
            mTextPopup->show(x + getX(), y + getY(),
                             event.getSource()->getId(),
                             strprintf("%u/%u", PlayerInfo::getAttribute(EXP),
                                       PlayerInfo::getAttribute(EXP_NEEDED)));
        }
        else
        {
            mTextPopup->show(x + getX(), y + getY(),
                             event.getSource()->getId(),
                             strprintf("%u/%u", PlayerInfo::getAttribute(EXP),
                                       PlayerInfo::getAttribute(EXP_NEEDED)),
                             strprintf("%s: %u", _("Need"),
                                       PlayerInfo::getAttribute(EXP_NEEDED)
                                       - PlayerInfo::getAttribute(EXP)));
        }
        mStatusPopup->hide();
    }
    else if (event.getSource() == mHpBar)
    {
        mTextPopup->show(x + getX(), y + getY(),
                         event.getSource()->getId(),
                         strprintf("%u/%u", PlayerInfo::getAttribute(HP),
                                   PlayerInfo::getAttribute(MAX_HP)));
        mStatusPopup->hide();
    }
    else if (event.getSource() == mMpBar)
    {
        mTextPopup->show(x + getX(), y + getY(),
                         event.getSource()->getId(),
                         strprintf("%u/%u", PlayerInfo::getAttribute(MP),
                                   PlayerInfo::getAttribute(MAX_MP)));
        mStatusPopup->hide();
    }
    else if (event.getSource() == mJobBar)
    {
        std::pair<int, int> exp =  PlayerInfo::getStatExperience(
            Net::getPlayerHandler()->getJobLocation());

        if (exp.first > exp.second)
        {
            mTextPopup->show(x + getX(), y + getY(),
                             event.getSource()->getId(),
                             strprintf("%u/%u", exp.first,
                                       exp.second));
        }
        else
        {
            mTextPopup->show(x + getX(), y + getY(),
                             event.getSource()->getId(),
                             strprintf("%u/%u", exp.first,
                                       exp.second),
                             strprintf("%s: %u", _("Need"),
                                       exp.second
                                       - exp.first));
        }
        mStatusPopup->hide();
    }
    else if (event.getSource() == mWeightBar)
    {
        mTextPopup->show(x + getX(), y + getY(),
            event.getSource()->getId(),
            strprintf("%u/%u", PlayerInfo::getAttribute(TOTAL_WEIGHT),
            PlayerInfo::getAttribute(MAX_WEIGHT)));
        mStatusPopup->hide();
    }
    else if (event.getSource() == mInvSlotsBar)
    {
        Inventory *inv = PlayerInfo::getInventory();
        if (inv)
        {
            const int usedSlots = inv->getNumberOfSlotsUsed();
            const int maxSlots = inv->getSize();

            mTextPopup->show(x + getX(), y + getY(),
                event.getSource()->getId(),
                strprintf("%u/%u", usedSlots, maxSlots));
        }
        mStatusPopup->hide();
    }
    else if (event.getSource() == mMoneyBar)
    {
        mTextPopup->show(x + getX(), y + getY(),
            event.getSource()->getId(),
            toString(PlayerInfo::getAttribute(MONEY)));
    }
    else
    {
        mTextPopup->hide();
        mStatusPopup->hide();
    }
}

void MiniStatusWindow::mousePressed(gcn::MouseEvent &event)
{
    if (!viewport)
        return;

    if (event.getButton() == gcn::MouseEvent::RIGHT)
    {
        ProgressBar *bar = dynamic_cast<ProgressBar*>(event.getSource());
        if (!bar)
            return;
        if (viewport)
        {
            viewport->showPopup(getX() + event.getX(),
                getY() + event.getY(), bar);
        }
    }
}

void MiniStatusWindow::mouseExited(gcn::MouseEvent &event)
{
    Popup::mouseExited(event);

    mTextPopup->hide();
    mStatusPopup->hide();
}

void MiniStatusWindow::showBar(std::string name, bool isVisible)
{
    ProgressBar *bar = mBarNames[name];
    if (!bar)
        return;
    bar->setVisible(isVisible);
    updateBars();
    saveBars();
}

void MiniStatusWindow::loadBars()
{
    if (!config.getValue("ministatussaved", 0))
    {
        if (mWeightBar)
            mWeightBar->setVisible(false);
        if (mInvSlotsBar)
            mInvSlotsBar->setVisible(false);
        if (mMoneyBar)
            mMoneyBar->setVisible(false);
        if (mArrowsBar)
            mArrowsBar->setVisible(false);
        return;
    }

    for (int f = 0; f < 10; f ++)
    {
        std::string str = config.getValue("ministatus" + toString(f), "");
        if (str == "" || str == "status bar")
            continue;
        ProgressBar *bar = mBarNames[str];
        if (!bar)
            continue;
        bar->setVisible(false);
    }
}

void MiniStatusWindow::saveBars()
{
    std::list <ProgressBar*>::iterator it, it_end;
    int i = 0;
    for (it = mBars.begin(), it_end = mBars.end();
         it != it_end; ++it)
    {
        ProgressBar *bar = *it;
        if (!bar->isVisible())
        {
            config.setValue("ministatus" + toString(i),
                bar->getActionEventId());
            i ++;
        }
    }
    for (int f = i; f < 10; f ++)
        config.deleteKey("ministatus" + toString(f));

    config.setValue("ministatussaved", true);
}

void MiniStatusWindow::slotsChanged(Inventory* inventory)
{
    if (!inventory)
        return;

    if (inventory->getType() == Inventory::INVENTORY)
        StatusWindow::updateInvSlotsBar(mInvSlotsBar);
}

void MiniStatusWindow::updateArrows()
{
    StatusWindow::updateArrowsBar(mArrowsBar);
}