/*******************************************************************************
 * libretroshare/src/rsitems: rsgxschannelitems.cc                             *
 *                                                                             *
 * libretroshare: retroshare core library                                      *
 *                                                                             *
 * Copyright 2012-2012 by Robert Fernie <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/>.       *
 *                                                                             *
 *******************************************************************************/
#include <iostream>

#include "rsgxschannelitems.h"
#include "serialiser/rstlvbase.h"
#include "serialiser/rsbaseserial.h"

#include "serialiser/rstypeserializer.h"

RsItem *RsGxsChannelSerialiser::create_item(uint16_t service_id,uint8_t item_subtype) const
{
    if(service_id !=  RS_SERVICE_GXS_TYPE_CHANNELS)
        return NULL ;

    switch(item_subtype)
    {
    case RS_PKT_SUBTYPE_GXSCHANNEL_GROUP_ITEM: return new RsGxsChannelGroupItem() ;
    case RS_PKT_SUBTYPE_GXSCHANNEL_POST_ITEM:  return new RsGxsChannelPostItem();
    default:
        return RsGxsCommentSerialiser::create_item(service_id,item_subtype) ;
    }
}

void RsGxsChannelGroupItem::clear()
{
	mDescription.clear();
	mImage.TlvClear();
}

bool RsGxsChannelGroupItem::fromChannelGroup(RsGxsChannelGroup &group, bool moveImage)
{
	clear();
	meta = group.mMeta;
	mDescription = group.mDescription;

	if (moveImage)
	{
		mImage.binData.bin_data = group.mImage.mData;
		mImage.binData.bin_len = group.mImage.mSize;
		group.mImage.shallowClear();
	}
	else
	{
		mImage.binData.setBinData(group.mImage.mData, group.mImage.mSize);
	}
	return true;
}



bool RsGxsChannelGroupItem::toChannelGroup(RsGxsChannelGroup &group, bool moveImage)
{
	group.mMeta = meta;
	group.mDescription = mDescription;
	if (moveImage)
	{
		group.mImage.take((uint8_t *) mImage.binData.bin_data, mImage.binData.bin_len);
		// mImage doesn't have a ShallowClear at the moment!
		mImage.binData.TlvShallowClear();
	}
	else
	{
		group.mImage.copy((uint8_t *) mImage.binData.bin_data, mImage.binData.bin_len);
	}
	return true;
}

void RsGxsChannelGroupItem::serial_process(RsGenericSerializer::SerializeJob j,RsGenericSerializer::SerializeContext& ctx)
{
    RsTypeSerializer::serial_process           (j,ctx,TLV_TYPE_STR_DESCR,mDescription,"mDescription") ;
    RsTypeSerializer::serial_process<RsTlvItem>(j,ctx,mImage,"mImage") ;
}

bool RsGxsChannelPostItem::fromChannelPost(RsGxsChannelPost &post, bool moveImage)
{
	clear();
	meta = post.mMeta;
	mMsg = post.mMsg;

	if (moveImage)
	{
		mThumbnail.binData.bin_data = post.mThumbnail.mData;
		mThumbnail.binData.bin_len = post.mThumbnail.mSize;
		post.mThumbnail.shallowClear();
	}
	else
	{
		mThumbnail.binData.setBinData(post.mThumbnail.mData, post.mThumbnail.mSize);
	}

	std::list<RsGxsFile>::iterator fit;
	for(fit = post.mFiles.begin(); fit != post.mFiles.end(); ++fit)
	{
		RsTlvFileItem fi;
		fi.name = fit->mName;
		fi.filesize = fit->mSize;
		fi.hash = fit->mHash;
		mAttachment.items.push_back(fi);
	}
	return true;
}



bool RsGxsChannelPostItem::toChannelPost(RsGxsChannelPost &post, bool moveImage)
{
	post.mMeta = meta;
	post.mMsg = mMsg;
	if (moveImage)
	{
		post.mThumbnail.take((uint8_t *) mThumbnail.binData.bin_data, mThumbnail.binData.bin_len);
		// mThumbnail doesn't have a ShallowClear at the moment!
		mThumbnail.binData.TlvShallowClear();
	}
	else
	{
		post.mThumbnail.copy((uint8_t *) mThumbnail.binData.bin_data, mThumbnail.binData.bin_len);
	}

    post.mAttachmentCount = 0;
	post.mSize = 0;
	std::list<RsTlvFileItem>::iterator fit;
	for(fit = mAttachment.items.begin(); fit != mAttachment.items.end(); ++fit)
	{
		RsGxsFile fi;
		fi.mName = RsDirUtil::getTopDir(fit->name);
		fi.mSize  = fit->filesize;
		fi.mHash  = fit->hash;

		post.mFiles.push_back(fi);
        post.mAttachmentCount++;
		post.mSize += fi.mSize;
	}
	return true;
}

void RsGxsChannelPostItem::clear()
{
	mMsg.clear();
	mAttachment.TlvClear();
	mThumbnail.TlvClear();
}

void RsGxsChannelPostItem::serial_process(RsGenericSerializer::SerializeJob j,RsGenericSerializer::SerializeContext& ctx)
{
    RsTypeSerializer::serial_process           (j,ctx,TLV_TYPE_STR_MSG,mMsg,"mMsg") ;
    RsTypeSerializer::serial_process<RsTlvItem>(j,ctx,mAttachment,"mAttachment") ;
    RsTypeSerializer::serial_process<RsTlvItem>(j,ctx,mThumbnail,"mThumbnail") ;
}