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

#include "emoteshortcut.h"
#include "inputmanager.h"
#include "keyboardconfig.h"

#include "gui/didyouknowwindow.h"
#include "gui/skilldialog.h"
#ifdef MANASERV_SUPPORT
#include "gui/specialswindow.h"
#endif
#include "gui/textpopup.h"
#include "gui/viewport.h"

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

#include "utils/gettext.h"

#include <string>

#include "debug.h"

extern Window *emoteShortcutWindow;
extern Window *equipmentWindow;
extern Window *inventoryWindow;
extern Window *itemShortcutWindow;
extern Window *dropShortcutWindow;
extern Window *setupWindow;
extern Window *statusWindow;
extern Window *whoIsOnline;
extern Window *killStats;
extern Window *spellShortcutWindow;
extern Window *botCheckerWindow;
extern Window *socialWindow;
extern Window *questsWindow;

WindowMenu::WindowMenu(const Widget2 *const widget) :
    Container(widget),
    gcn::ActionListener(),
    gcn::SelectionListener(),
    gcn::MouseListener(),
    mTextPopup(new TextPopup),
    mHaveMouse(false),
    mAutoHide(1)
{
    int x = 0;
    int h = 0;

    setFocusable(false);

    addButton(N_("ONL"), _("Who is online"), x, h,
              Input::KEY_NO_VALUE, whoIsOnline);
    addButton(N_("QE"), _("Quests"), x, h,
              Input::KEY_WINDOW_QUESTS, questsWindow);
    addButton(N_("BC"), _("Bot checker"), x, h,
              Input::KEY_WINDOW_BOT_CHECKER, botCheckerWindow, false);
    addButton(N_("KS"), _("Kill stats"), x, h,
              Input::KEY_WINDOW_KILLS, killStats);
    addButton(":-)", _("Smilies"), x, h,
              Input::KEY_WINDOW_EMOTE_SHORTCUT, emoteShortcutWindow);
    addButton(N_("STA"), _("Status"), x, h,
              Input::KEY_WINDOW_STATUS, statusWindow);
    addButton(N_("EQU"), _("Equipment"), x, h,
              Input::KEY_WINDOW_EQUIPMENT, equipmentWindow);
    addButton(N_("INV"), _("Inventory"), x, h,
              Input::KEY_WINDOW_INVENTORY, inventoryWindow);

    if (skillDialog->hasSkills())
    {
        addButton(N_("SKI"), _("Skills"), x, h,
                  Input::KEY_WINDOW_SKILL, skillDialog);
    }

#ifdef MANASERV_SUPPORT
    if (Net::getNetworkType() == ServerInfo::MANASERV)
    {
        addButton(N_("SPE"), _("Specials"), x, h,
                  Input::KEY_NO_VALUE, specialsWindow);
    }
#endif

    addButton(N_("SOC"), _("Social"), x, h,
              Input::KEY_WINDOW_SOCIAL, socialWindow);
    addButton(N_("SH"), _("Shortcuts"), x, h,
              Input::KEY_WINDOW_SHORTCUT, itemShortcutWindow);
    addButton(N_("SP"), _("Spells"), x, h,
              Input::KEY_WINDOW_SPELLS, spellShortcutWindow);
    addButton(N_("DR"), _("Drop"), x, h,
              Input::KEY_WINDOW_DROP, dropShortcutWindow);
    addButton(N_("YK"), _("Did you know"), x, h,
        Input::KEY_WINDOW_DIDYOUKNOW, didYouKnowWindow);
    addButton(N_("SET"), _("Setup"), x, h,
              Input::KEY_WINDOW_SETUP, setupWindow);

    if (mainGraphics)
    {
        setDimension(gcn::Rectangle(mainGraphics->mWidth - x - 3,
            3, x - 3, h));
    }

    loadButtons();

    addMouseListener(this);
    setVisible(true);

    config.addListener("autohideButtons", this);
    mAutoHide = config.getIntValue("autohideButtons");
}

WindowMenu::~WindowMenu()
{
    config.removeListener("autohideButtons", this);

    delete mTextPopup;
    mTextPopup = nullptr;
    for (std::map <std::string, ButtonInfo*>::iterator
         it = mButtonNames.begin(),
         it_end = mButtonNames.end(); it != it_end; ++it)
    {
        delete (*it).second;
    }
    mButtonNames.clear();
    for (std::vector <Button*>::iterator it = mButtons.begin(),
         it_end = mButtons.end(); it != it_end; ++it)
    {
        Button *btn = dynamic_cast<Button*>(*it);
        if (!btn)
            continue;
        if (!btn->isVisible())
        {
            delete btn;
        }
    }
}

void WindowMenu::action(const gcn::ActionEvent &event)
{
    const std::string &eventId = event.getId();

    std::map <std::string, ButtonInfo*>::iterator
        it = mButtonNames.find(eventId);
    if (it == mButtonNames.end())
        return;

    ButtonInfo *const info = (*it).second;
    if (!info)
        return;
    Window *const window = info->window;
    if (window)
    {
        window->setVisible(!window->isVisible());
        if (window->isVisible())
            window->requestMoveToTop();
    }
}

void WindowMenu::addButton(const char *const text,
                           const std::string &description,
                           int &x, int &h, const int key, Window *window,
                           const bool visible)
{
    Button *const btn = new Button(this, gettext(text), text, this);
    btn->setPosition(x, 0);
    btn->setDescription(description);
    btn->setTag(key);
    add(btn);
    btn->setFocusable(false);
    if (!visible)
    {
        btn->setVisible(false);
    }
    else
    {
        x += btn->getWidth() + 3;
        h = btn->getHeight();
    }
    mButtons.push_back(btn);
    mButtonNames[text] = new ButtonInfo(btn, window);
}

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

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

void WindowMenu::mouseMoved(gcn::MouseEvent &event)
{
    mHaveMouse = true;

    if (!mTextPopup)
        return;

    if (event.getSource() == this)
    {
        mTextPopup->hide();
        return;
    }

    const Button *const btn = dynamic_cast<const Button *const>(
        event.getSource());

    if (!btn)
    {
        mTextPopup->hide();
        return;
    }

    const int x = event.getX();
    const int y = event.getY();
    const int key = btn->getTag();
    if (key != Input::KEY_NO_VALUE)
    {
        mTextPopup->show(x + getX(), y + getY(), btn->getDescription(),
            strprintf(_("Key: %s"), inputManager.getKeyValueString(
            key).c_str()));
    }
    else
    {
        mTextPopup->show(x + getX(), y + getY(), btn->getDescription());
    }
}

void WindowMenu::mouseExited(gcn::MouseEvent& mouseEvent A_UNUSED)
{
    mHaveMouse = false;
    if (!mTextPopup)
        return;

    mTextPopup->hide();
}

void WindowMenu::showButton(const std::string &name, const bool visible)
{
    ButtonInfo *const info = dynamic_cast<ButtonInfo *const>(
        mButtonNames[name]);
    if (!info || !info->button)
        return;

    info->button->setVisible(visible);
    updateButtons();
    saveButtons();
}

void WindowMenu::updateButtons()
{
    int x = 0, h = 0;
    std::vector <Button*>::const_iterator it, it_end;
    for (it = mButtons.begin(), it_end = mButtons.end(); it != it_end; ++it)
        safeRemove(*it);
    for (it = mButtons.begin(), it_end = mButtons.end(); it != it_end; ++it)
    {
        Button *const btn = dynamic_cast<Button *const>(*it);
        if (!btn)
            continue;
        if (btn->isVisible())
        {
            btn->setPosition(x, 0);
            add(btn);
            x += btn->getWidth() + 3;
            h = btn->getHeight();
        }
    }
    if (mainGraphics)
    {
        setDimension(gcn::Rectangle(mainGraphics->mWidth - x - 3,
            3, x - 3, h));
    }
}

void WindowMenu::loadButtons()
{
    if (config.getValue("windowmenu0", "") == "")
        return;

    for (int f = 0; f < 15; f ++)
    {
        std::string str = config.getValue("windowmenu" + toString(f), "");
        if (str == "" || str == "SET")
            continue;
        ButtonInfo *const info = dynamic_cast<ButtonInfo *const>(
            mButtonNames[str]);
        if (!info || !info->button)
            continue;
        info->button->setVisible(false);
    }
    updateButtons();
}

void WindowMenu::saveButtons()
{
    int i = 0;
    for (std::vector <Button*>::iterator it = mButtons.begin(),
         it_end = mButtons.end();
         it != it_end; ++it)
    {
        const Button *const btn = dynamic_cast<const Button *const>(*it);
        if (btn && !btn->isVisible())
        {
            config.setValue("windowmenu" + toString(i),
                btn->getActionEventId());
            i ++;
        }
    }
    for (int f = i; f < 15; f ++)
        config.deleteKey("windowmenu" + toString(f));
}

void WindowMenu::drawChildren(gcn::Graphics* graphics)
{
    if (mHaveMouse || !mAutoHide || (mAutoHide == 1
        && mainGraphics && mainGraphics->mWidth > 800))
    {
        Container::drawChildren(graphics);
    }
}

void WindowMenu::optionChanged(const std::string &name)
{
    if (name == "autohideButtons")
        mAutoHide = config.getIntValue("autohideButtons");
}