/* Copyright (C) 2012 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. 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.
 *
 * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "precompiled.h"

#include "SoundData.h"

#include "OggData.h"
#include "lib/file/vfs/vfs_util.h"
#include "ps/Filesystem.h"

#include <iostream>

DataMap* CSoundData::sSoundData = NULL;

CSoundData::CSoundData()
{
	InitProperties();
}

CSoundData::~CSoundData()
{
	if (m_ALBuffer != 0)
		alDeleteBuffers(1, &m_ALBuffer);
}

void CSoundData::InitProperties()
{
	m_ALBuffer = 0;
	m_RetentionCount = 0;
}

void CSoundData::ReleaseSoundData(CSoundData* theData)
{
	DataMap::iterator itemFind;

	if (theData->DecrementCount())
	{
		if ((itemFind = CSoundData::sSoundData->find(theData->GetFileName())) != sSoundData->end())
		{
			CSoundData* dier = itemFind->second;
			CSoundData::sSoundData->erase(itemFind);
			delete dier;
		}
	}
}

CSoundData* CSoundData::SoundDataFromFile(const VfsPath& itemPath)
{
	if (CSoundData::sSoundData == NULL)
		CSoundData::sSoundData = new DataMap;
	
	Path fExt = itemPath.Extension();
	DataMap::iterator itemFind;
	CSoundData* answer = NULL;


	if ((itemFind = CSoundData::sSoundData->find(itemPath.string())) != sSoundData->end())
	{
		answer = itemFind->second;
	}
	else
	{
	   	if (fExt == ".ogg")
			answer = SoundDataFromOgg(itemPath);
	
		if (answer && answer->IsOneShot())
			(*CSoundData::sSoundData)[itemPath.string()] = answer;
	
	}
	return answer;
}

bool CSoundData::IsOneShot()
{
	return true;
}


CSoundData* CSoundData::SoundDataFromOgg(const VfsPath& itemPath)
{
	CSoundData* answer = NULL;
	COggData* oggAnswer = new COggData();

	OsPath realPath;
	Status ret = g_VFS->GetRealPath(itemPath, realPath);
	if (ret == INFO::OK)
	{
		if (oggAnswer->InitOggFile(realPath.string().c_str()))
		{
			answer = oggAnswer;
		}
	}	
	return answer;
}

ALsizei CSoundData::GetBufferCount()
{
	return 1;
}

CStrW CSoundData::GetFileName()
{
	return m_FileName;
}

CSoundData* CSoundData::IncrementCount()
{
	m_RetentionCount++;
	return this;
}

bool CSoundData::DecrementCount()
{
	m_RetentionCount--;
	
	return (m_RetentionCount <= 0);
}

ALuint CSoundData::GetBuffer()
{
	return m_ALBuffer;
}
ALuint* CSoundData::GetBufferPtr()
{
	return &m_ALBuffer;
}