/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2014  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/widgets/tabs/setup_joystick.h"

#include "configuration.h"

#include "input/joystick.h"

#include "gui/models/namesmodel.h"

#include "gui/widgets/button.h"
#include "gui/widgets/checkbox.h"
#include "gui/widgets/dropdown.h"
#include "gui/widgets/label.h"
#include "gui/widgets/layouthelper.h"

#include "utils/delete2.h"
#include "utils/gettext.h"

#include "debug.h"

extern Joystick *joystick;

Setup_Joystick::Setup_Joystick(const Widget2 *const widget) :
    SetupTab(widget),
    mCalibrateLabel(new Label(this,
        // TRANSLATORS: joystick settings tab label
        _("Press the button to start calibration"))),
    // TRANSLATORS: joystick settings tab button
    mCalibrateButton(new Button(this, _("Calibrate"), "calibrate", this)),
    // TRANSLATORS: joystick settings tab button
    mDetectButton(new Button(this, _("Detect joysticks"), "detect", this)),
    mOriginalJoystickEnabled(config.getBoolValue("joystickEnabled")),
    // TRANSLATORS: joystick settings tab checkbox
    mJoystickEnabled(new CheckBox(this, _("Enable joystick"))),
    mNamesModel(new NamesModel),
    mNamesDropDown(new DropDown(this, mNamesModel)),
    // TRANSLATORS: joystick settings tab checkbox
    mUseInactiveCheckBox(new CheckBox(this, _("Use joystick if client "
        "window inactive"), config.getBoolValue("useInactiveJoystick")))
{
    // TRANSLATORS: joystick settings tab name
    setName(_("Joystick"));

    Joystick::getNames(mNamesModel->getNames());

    mJoystickEnabled->setSelected(mOriginalJoystickEnabled);
    mJoystickEnabled->setActionEventId("joystick");
    mJoystickEnabled->addActionListener(this);
    mCalibrateButton->setEnabled(mOriginalJoystickEnabled);

    mNamesDropDown->setActionEventId("name");
    mNamesDropDown->addActionListener(this);

    if (joystick)
    {
        mNamesDropDown->setSelected(joystick->getNumber());
    }
    else
    {
        unsigned int sel = config.getIntValue("selectedJoystick");
        if (sel >= static_cast<unsigned int>(mNamesModel->size()))
            sel = 0;
        mNamesDropDown->setSelected(sel);
    }

    // Do the layout
    LayoutHelper h(this);
    ContainerPlacer place = h.getPlacer(0, 0);

    place(0, 0, mJoystickEnabled);
    place(0, 1, mNamesDropDown);
    place(0, 2, mUseInactiveCheckBox);
    place(0, 3, mDetectButton);
    place(0, 4, mCalibrateLabel);
    place(0, 5, mCalibrateButton);

    setDimension(Rect(0, 0, 365, 75));
}

Setup_Joystick::~Setup_Joystick()
{
    delete2(mNamesModel);
}

void Setup_Joystick::action(const ActionEvent &event)
{
    const Widget *const source = event.getSource();
    if (source == mJoystickEnabled)
    {
        setTempEnabled(mJoystickEnabled->isSelected());
    }
    else if (source == mNamesDropDown)
    {
        if (joystick)
            joystick->setNumber(mNamesDropDown->getSelected());
    }
    else if (source == mDetectButton)
    {
        if (joystick)
        {
            joystick->reload();
            Joystick::getNames(mNamesModel->getNames());
            mNamesDropDown->setSelected(joystick->getNumber());
        }
    }
    else
    {
        if (!joystick)
            return;

        if (joystick->isCalibrating())
        {
            // TRANSLATORS: joystick settings tab button
            mCalibrateButton->setCaption(_("Calibrate"));
            mCalibrateLabel->setCaption
                // TRANSLATORS: joystick settings tab label
                (_("Press the button to start calibration"));
            joystick->finishCalibration();
        }
        else
        {
            // TRANSLATORS: joystick settings tab button
            mCalibrateButton->setCaption(_("Stop"));
            mCalibrateLabel->setCaption(
                // TRANSLATORS: joystick settings tab label
                _("Rotate the stick and don't press buttons"));
            joystick->startCalibration();
        }
    }
}

void Setup_Joystick::setTempEnabled(const bool sel)
{
    Joystick::setEnabled(sel);
    mCalibrateButton->setEnabled(sel);
    if (joystick)
    {
        if (sel)
            joystick->open();
        else
            joystick->close();
    }
}

void Setup_Joystick::cancel()
{
    if (joystick)
        joystick->setEnabled(mOriginalJoystickEnabled);

    if (mOriginalJoystickEnabled != mJoystickEnabled->isSelected())
        setTempEnabled(mOriginalJoystickEnabled);

    mJoystickEnabled->setSelected(mOriginalJoystickEnabled);
}

void Setup_Joystick::apply()
{
    if (!joystick)
        return;

    config.setValue("joystickEnabled", joystick->isEnabled());

    config.setValue("useInactiveJoystick", mUseInactiveCheckBox->isSelected());
    joystick->setUseInactive(mUseInactiveCheckBox->isSelected());
}