/*******************************************************************************
 * libretroshare/src/serialiser: rstlvfileitem.h                               *
 *                                                                             *
 * libretroshare: retroshare core library                                      *
 *                                                                             *
 * Copyright 2007-2008 by Robert Fernie,Chris Parker <retroshare@lunamutt.com> *
 *                                                                             *
 * This program is free software: you can redistribute it and/or modify        *
 * it under the terms of the GNU Lesser General Public License as              *
 * published by the Free Software Foundation, either version 3 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 Lesser General Public License for more details.                         *
 *                                                                             *
 * You should have received a copy of the GNU Lesser General Public License    *
 * along with this program. If not, see <https://www.gnu.org/licenses/>.       *
 *                                                                             *
 *******************************************************************************/
#pragma once

/*******************************************************************
 * These are the Compound TLV structures that must be (un)packed.
 *
 ******************************************************************/

#include "serialiser/rstlvitem.h"
#include "serialiser/rstlvidset.h"
#include "serialiser/rstlvbinary.h"

class RsTlvFileItem: public RsTlvItem
{
	public:
	 RsTlvFileItem();
virtual ~RsTlvFileItem() { return; }
virtual uint32_t TlvSize() const;
virtual void	 TlvClear();
virtual bool     SetTlv(void *data, uint32_t size, uint32_t *offset) const; 
virtual bool     GetTlv(void *data, uint32_t size, uint32_t *offset);
virtual std::ostream &print(std::ostream &out, uint16_t indent) const;

	uint64_t filesize; /// Mandatory: size of file to be downloaded
    RsFileHash hash;  /// Mandatory: to find file
	std::string name;  /// Optional: name of file
	std::string path;  /// Optional: path on host computer
	uint32_t    pop;   /// Optional: Popularity of file
	uint32_t    age;   /// Optional: age of file
	// For chunk hashing.
	uint32_t    piecesize;  /// Optional: bytes/piece for hashset.
	RsTlvHashSet hashset; /// Optional: chunk hashes.

};

class RsTlvFileSet: public RsTlvItem
{
	public:
	 RsTlvFileSet() { return; }
virtual ~RsTlvFileSet() { return; }
virtual uint32_t TlvSize() const;
virtual void	 TlvClear();
virtual bool     SetTlv(void *data, uint32_t size, uint32_t *offset) const; 
virtual bool     GetTlv(void *data, uint32_t size, uint32_t *offset); 
virtual std::ostream &print(std::ostream &out, uint16_t indent) const;

	std::list<RsTlvFileItem> items; /// Mandatory 
	std::string title;   		/// Optional: title of file set
	std::string comment; 		/// Optional: comments for file
};


class RsTlvFileData: public RsTlvItem
{
	public:
	 RsTlvFileData(); 
	 virtual ~RsTlvFileData() { return; }
virtual uint32_t TlvSize() const;
virtual void	 TlvClear();
virtual bool     SetTlv(void *data, uint32_t size, uint32_t *offset) const; 
virtual bool     GetTlv(void *data, uint32_t size, uint32_t *offset); 
virtual std::ostream &print(std::ostream &out, uint16_t indent) const;

	RsTlvFileItem   file;         /// Mandatory: file information	
	uint64_t        file_offset;  /// Mandatory: where to start in bin data
	RsTlvBinaryData binData;      /// Mandatory: serialised file info
};