/*
* Copyright (C) 2009 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)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.
*
*/

/**@file tmsrp_header.c
 * @brief Defines a MSRP header (hname  ":" SP hval CRLF).
 *
 * @author Mamadou Diop <diopmamadou(at)doubango.org>
 *

 */
#include "tinymsrp/headers/tmsrp_header.h"

#include "tinymsrp/headers/tmsrp_header_Dummy.h"

#include "tsk_string.h"

/** Gets the name of the MSRP header with a type equal to @a type. 
 * @param	type	The @a type of the header for which to retrieve the name. 
 *
 * @return	The name of the header.
**/
const char* tmsrp_header_get_name(tmsrp_header_type_t type)
{
	switch(type)
	{	
		case tmsrp_htype_Authentication_Info: return "Authentication-Info";			
		case tmsrp_htype_Authorization: return "Authorization";
		case tmsrp_htype_Byte_Range: return "Byte-Range";
		case tmsrp_htype_Content_Type: return "Content-Type";
		case tmsrp_htype_Expires: return "Expires";
		case tmsrp_htype_Failure_Report: return "Failure-Report";
		case tmsrp_htype_From_Path: return "From-Path";
		case tmsrp_htype_Max_Expires: return "Max-Expires";
		case tmsrp_htype_Message_ID: return "Message-ID";
		case tmsrp_htype_Min_Expires: return "Min-Expires";
		case tmsrp_htype_Status: return "Status";
		case tmsrp_htype_Success_Report: return "Success-Report";
		case tmsrp_htype_To_Path: return "To-Path";
		case tmsrp_htype_Use_Path: return "Use-Path";
		case tmsrp_htype_WWW_Authenticate: return "WWW-Authenticate";

		default: return "unknown-header";
	}
}

const char* tmsrp_header_get_nameex(const tmsrp_header_t *self)
{
	if(self){
		if(self->type == tmsrp_htype_Dummy){
			return ((tmsrp_header_Dummy_t*)(self))->name;
		}
		else{
			return tmsrp_header_get_name(self->type);
		}
	}
	return "unknown-header";
}


int tmsrp_header_serialize(const tmsrp_header_t *self, tsk_buffer_t *output)
{
	int ret = -1;
	if(!self || !output){
		return -1;
	}

	/* Name */
	tsk_buffer_append_2(output, "%s: ", tmsrp_header_get_nameex(self));

	/* Value */
	if((ret = self->tostring(self, output))){
		// Abort?
	}

	/* CRLF*/
	ret = tsk_buffer_append(output, "\r\n", 2);

	return ret;
}

char* tmsrp_header_tostring(const tmsrp_header_t *self)
{
	char* ret = tsk_null;
	tsk_buffer_t* buffer;
	if(self && self->tostring){
		if((buffer = tsk_buffer_create_null())){
			self->tostring(self, buffer);
			ret = tsk_strndup(buffer->data, buffer->size);
			TSK_OBJECT_SAFE_FREE(buffer);
		}
	}
	return ret;
}