/*
 * Copyright 2010-2014 OpenXcom Developers.
 *
 * This file is part of OpenXcom.
 *
 * OpenXcom 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 3 of the License, or
 * (at your option) any later version.
 *
 * OpenXcom 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 OpenXcom.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "OptionsModsState.h"
#include <algorithm>
#include <vector>
#include "../Engine/Game.h"
#include "../Engine/CrossPlatform.h"
#include "../Resource/ResourcePack.h"
#include "../Engine/Palette.h"
#include "../Engine/Language.h"
#include "../Interface/Window.h"
#include "../Interface/TextList.h"
#include "../Interface/Text.h"
#include "../Engine/Options.h"
#include "../Engine/Action.h"

namespace OpenXcom
{

/**
 * Initializes all the elements in the Mod Options window.
 * @param game Pointer to the core game.
 * @param origin Game section that originated this state.
 */
OptionsModsState::OptionsModsState(OptionsOrigin origin) : OptionsBaseState(origin)
{
	setCategory(_btnMods);

	// Create objects
	_lstMods = new TextList(200, 136, 94, 8);
	
	add(_lstMods);

	centerAllSurfaces();

	// how much room do we need for YES/NO
	Text text = Text(100, 9, 0, 0);
	text.initText(_game->getResourcePack()->getFont("FONT_BIG"), _game->getResourcePack()->getFont("FONT_SMALL"), _game->getLanguage());
	text.setText(tr("STR_YES"));
	int yes = text.getTextWidth();
	text.setText(tr("STR_NO"));
	int no = text.getTextWidth();

	int rightcol = std::max(yes, no) + 2;
	int leftcol = _lstMods->getWidth() - rightcol;

	// Set up objects
	_lstMods->setAlign(ALIGN_RIGHT, 1);
	_lstMods->setColumns(2, leftcol, rightcol);
	_lstMods->setColor(Palette::blockOffset(8)+10);
	_lstMods->setArrowColor(Palette::blockOffset(8) + 5);
	_lstMods->setWordWrap(true);
	_lstMods->setSelectable(true);
	_lstMods->setBackground(_window);
	_lstMods->onMouseClick((ActionHandler)&OptionsModsState::lstModsClick);
	_lstMods->setTooltip("STR_MODS_DESC");
	_lstMods->onMouseIn((ActionHandler)&OptionsModsState::txtTooltipIn);
	_lstMods->onMouseOut((ActionHandler)&OptionsModsState::txtTooltipOut);

	std::vector<std::string> rulesets = CrossPlatform::getDataContents("Ruleset/", "rul");
	for (std::vector<std::string>::iterator i = rulesets.begin(); i != rulesets.end(); ++i)
	{
		std::string mod = CrossPlatform::noExt(*i);
		std::wstring modName = Language::fsToWstr(mod);
		Language::replace(modName, L"_", L" ");
		// ignore default ruleset
		if (mod != "Xcom1Ruleset")
		{
			bool modEnabled = (std::find(Options::rulesets.begin(), Options::rulesets.end(), mod) != Options::rulesets.end());
			_lstMods->addRow(2, modName.c_str(), (modEnabled ? tr("STR_YES").c_str() : tr("STR_NO").c_str()));
			_mods.push_back(mod);
		}
	}
}

/**
 *
 */
OptionsModsState::~OptionsModsState()
{
	
}

void OptionsModsState::lstModsClick(Action *action)
{
	std::string selectedMod = _mods[_lstMods->getSelectedRow()];
	std::vector<std::string>::iterator i = std::find(Options::rulesets.begin(), Options::rulesets.end(), selectedMod);
	bool modEnabled = (i != Options::rulesets.end());
	if (modEnabled)
	{
		_lstMods->setCellText(_lstMods->getSelectedRow(), 1, tr("STR_NO").c_str());
		Options::rulesets.erase(i);
	}
	else
	{
		_lstMods->setCellText(_lstMods->getSelectedRow(), 1, tr("STR_YES").c_str());
		Options::rulesets.push_back(selectedMod);
	}
	Options::reload = true;
}

}