/*
	This file is part of EqualizerAPO, a system-wide equalizer.
	Copyright (C) 2014  Jonas Thedering

	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
	(at your option) 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, write to the Free Software Foundation, Inc.,
	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include <Shlwapi.h>

#include "helpers/LogHelper.h"
#include "helpers/StringHelper.h"
#include "FilterEngine.h"
#include "IncludeFilterFactory.h"

using namespace std;

void IncludeFilterFactory::initialize(FilterEngine* engine)
{
	this->engine = engine;
}

vector<IFilter*> IncludeFilterFactory::createFilter(const wstring& configPath, wstring& command, wstring& parameters)
{
	if(command == L"Include")
	{
		wstring value = parameters;
		while(value.length() > 0 && iswspace(value[0]))
			value = value.substr(1);

		wstring includePath;
		if(PathIsRelativeW(value.c_str()))
		{
			wchar_t filePath[MAX_PATH];
			configPath._Copy_s(filePath, sizeof(filePath)/sizeof(wchar_t), MAX_PATH);
			if(configPath.size() < MAX_PATH)
				filePath[configPath.size()] = L'\0';
			else
				filePath[MAX_PATH - 1] = L'\0';
			PathRemoveFileSpecW(filePath);
			PathAppendW(filePath, value.c_str());
			includePath = filePath;
		}
		else
			includePath = value;

		engine->loadConfig(includePath);
		command = L"";
	}

	return vector<IFilter*>();
}