/****************************************************************************
 * Copyright (C) 2011
 * by Dimok
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any
 * damages arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any
 * purpose, including commercial applications, and to alter it and
 * redistribute it freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you
 * must not claim that you wrote the original software. If you use
 * this software in a product, an acknowledgment in the product
 * documentation would be appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and
 * must not be misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source
 * distribution.
 ***************************************************************************/
#include "CategorySwitchPrompt.hpp"
#include "settings/CGameCategories.hpp"
#include "settings/CSettings.h"
#include "language/gettext.h"

CategorySwitchPrompt::CategorySwitchPrompt()
    : CategoryPrompt(tr("Show Categories")), oldSetting(Settings.EnabledCategories)
{
    browser->checkBoxClicked.connect(this, &CategorySwitchPrompt::OnCheckboxClick);
    browserRefresh.connect(this, &CategorySwitchPrompt::onBrowserRefresh);
    resetChanges.connect(this, &CategorySwitchPrompt::onResetChanges);

    browserRefresh();
}

void CategorySwitchPrompt::onResetChanges()
{
    Settings.EnabledCategories = oldSetting;
    GameCategories.Load(Settings.ConfigPath);
}

void CategorySwitchPrompt::onBrowserRefresh()
{
    browser->Clear();
    GameCategories.CategoryList.goToFirst();
    do
    {
        bool checked = false;

        for(u32 i = 0; i < Settings.EnabledCategories.size(); ++i)
        {
            if(Settings.EnabledCategories[i] == GameCategories.CategoryList.getCurrentID())
            {
                checked = true;
                break;
            }
        }

        browser->AddEntrie(GameCategories.CategoryList.getCurrentName(), checked);
    }
    while(GameCategories.CategoryList.goToNext());

    GameCategories.CategoryList.goToFirst();
    browser->RefreshList();
}

void CategorySwitchPrompt::OnCheckboxClick(GuiCheckbox *checkBox, int index)
{
    GameCategories.CategoryList.goToFirst();
    for(int i = 0; i < index; ++i)
        GameCategories.CategoryList.goToNext();

    u32 i;
    for(i = 0; i < Settings.EnabledCategories.size(); ++i)
    {
        if(Settings.EnabledCategories[i] == GameCategories.CategoryList.getCurrentID())
        {
            if(!checkBox->IsChecked())
            {
                Settings.EnabledCategories.erase(Settings.EnabledCategories.begin()+i);
                markChanged();
            }
            break;
        }
    }

    if(i == Settings.EnabledCategories.size() && checkBox->IsChecked())
    {
        Settings.EnabledCategories.push_back(GameCategories.CategoryList.getCurrentID());
        markChanged();
    }
}