/*

 * Copyright (C) 2020, University of the Basque Country (UPV/EHU)

 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.org>
 *
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO 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.
 *
 * DOUBANGO 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 DOUBANGO.
 *
 */
 #include "MediaContent.h"
 
 
 
 MediaContent::MediaContent(tmedia_content_t* pContent)
 : m_pData(tsk_null)
 {
 	m_pContent = (tmedia_content_t*)tsk_object_ref(pContent);
 }
 
 MediaContent::~MediaContent()
 {
 	TSK_OBJECT_SAFE_FREE(m_pContent);
 	TSK_OBJECT_SAFE_FREE(m_pData);
 }
 
 const char* MediaContent::getType()
 {
 	if(m_pContent){
 		return m_pContent->type;
 	}
 	return tsk_null;
 }
 
 unsigned MediaContent::getDataLength()
 {
 	if(!m_pContent){
 		TSK_DEBUG_ERROR("Invalid internal object");
 		return 0;
 	}
 
 	if(!m_pData){
 		m_pData = tmedia_content_get_data(m_pContent);
 	}
 
 	return (m_pData ? m_pData->size : 0);
 }
 
 unsigned MediaContent::getData(void* pOutput, unsigned nMaxsize)
 {
 	unsigned nRetsize = 0;
 
 	if(!m_pContent){
 		TSK_DEBUG_ERROR("Invalid internal object");
 		return 0;
 	}
 
 	if(!m_pData){
 		m_pData = tmedia_content_get_data(m_pContent);
 	}	
 		
 	if(pOutput && nMaxsize && m_pData){
 		nRetsize = (m_pData->size > nMaxsize) ? nMaxsize : m_pData->size;
 		memcpy(pOutput, m_pData->data, nRetsize);
 	}
 
 	return nRetsize;
 }
 
 MediaContent* MediaContent::parse(const void* pData, unsigned nSize, const char* pType)
 {
 	MediaContent* pMediaContent = tsk_null;
 
 	tmedia_content_t* pContent = tmedia_content_parse(pData, (tsk_size_t)nSize, pType);
 	if(pContent){
 		if(TMEDIA_CONTENT_IS_CPIM(pContent)){
 			pMediaContent = new MediaContentCPIM(pContent);
 		}
 		else if(TMEDIA_CONTENT_IS_DUMMY(pContent)){
 			// Todo
 		}
 		TSK_OBJECT_SAFE_FREE(pContent);
 	}
 
 	return pMediaContent;
 }
 
 MediaContentCPIM* MediaContent::parse(const void* pData, unsigned nSize)
 {
 	MediaContent* pMediaContent;
 	if((pMediaContent = MediaContent::parse(pData, nSize, TMEDIA_CONTENT_CPIM_TYPE))){
 		return dyn_cast<MediaContentCPIM*>(pMediaContent);
 	}
 	return tsk_null;
 }
 
 /* ============ message/CPIM ================= */
 
 MediaContentCPIM::MediaContentCPIM(tmedia_content_t* pContent)
 : MediaContent(pContent)
 {
 }
 
 MediaContentCPIM::~MediaContentCPIM()
 {
 }
 
 unsigned MediaContentCPIM::getPayloadLength()
 {
 	if(!m_pContent || !TMEDIA_CONTENT_IS_CPIM(m_pContent)){
 		TSK_DEBUG_ERROR("Invalid internal object");
 		return 0;
 	}
 
 	return (TMEDIA_CONTENT_CPIM(m_pContent)->e ? TMEDIA_CONTENT_CPIM(m_pContent)->e->size : 0);
 }
 
 unsigned MediaContentCPIM::getPayload(void* pOutput, unsigned nMaxsize)
 {
 	unsigned nRetsize = 0;
 
 	if(!m_pContent || !TMEDIA_CONTENT_IS_CPIM(m_pContent)){
 		TSK_DEBUG_ERROR("Invalid internal object");
 		return 0;
 	}
 
 	if(pOutput && nMaxsize && TMEDIA_CONTENT_CPIM(m_pContent)->e){
 		nRetsize = (TMEDIA_CONTENT_CPIM(m_pContent)->e->size > nMaxsize) ? nMaxsize : TMEDIA_CONTENT_CPIM(m_pContent)->e->size;
 		memcpy(pOutput, TMEDIA_CONTENT_CPIM(m_pContent)->e->data, nRetsize);
 	}
 
 	return nRetsize;
 }
 
 const void* MediaContentCPIM::getPayloadPtr(){
 	if(!m_pContent || !TMEDIA_CONTENT_IS_CPIM(m_pContent)){
 		TSK_DEBUG_ERROR("Invalid internal object");
 		return tsk_null;
 	}
 	
 	return TMEDIA_CONTENT_CPIM(m_pContent)->e ? TMEDIA_CONTENT_CPIM(m_pContent)->e->data : tsk_null;
 }
 
 const char* MediaContentCPIM::getHeaderValue(const char* name)
 {
 	const tmedia_content_cpim_t* cpim;
 	const tsk_list_item_t* item;
 
 	if(!m_pContent || !TMEDIA_CONTENT_IS_CPIM(m_pContent)){
 		TSK_DEBUG_ERROR("Invalid internal object");
 		return tsk_null;
 	}
 
 	cpim = TMEDIA_CONTENT_CPIM(m_pContent);
 	tsk_list_foreach(item, cpim->h_headers){
 		if(tsk_striequals(name, TMEDIA_CONTENT_HEADER(item->data)->name)){
 			return TMEDIA_CONTENT_HEADER(item->data)->value;
 		}
 	}
 	tsk_list_foreach(item, cpim->m_headers){
 		if(tsk_striequals(name, TMEDIA_CONTENT_HEADER(item->data)->name)){
 			return TMEDIA_CONTENT_HEADER(item->data)->value;
 		}
 	}
 
 	return tsk_null;
 }