/**
* @file llhttpsdhandler.h
* @brief Public-facing declarations for the HttpHandler class
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, Linden Research, Inc.
*
* This library 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;
* version 2.1 of the License only.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
* $/LicenseInfo$
*/

#include "linden_common.h"
#include "llhttpconstants.h"

#include "llhttpsdhandler.h"
#include "httpresponse.h"
#include "httpheaders.h"
#include "llsd.h"
#include "llsdserialize.h"
#include "bufferstream.h"
#include "llcorehttputil.h"

//========================================================================
LLHttpSDHandler::LLHttpSDHandler(const LLURI &uri):
	mUri(uri)
{

}

void LLHttpSDHandler::onCompleted(LLCore::HttpHandle handle, LLCore::HttpResponse * response)
{
	LLCore::HttpStatus status = response->getStatus();

	if (!status)
	{
		this->onFailure(response, status);
	}
	else
	{
		LLSD resplsd;
		const bool emit_parse_errors = false;

		bool parsed = !((response->getBodySize() == 0) ||
			!LLCoreHttpUtil::responseToLLSD(response, emit_parse_errors, resplsd));

		if (!parsed) 
		{
			// Only emit a warning if we failed to parse when 'content-type' == 'application/llsd+xml'
			LLCore::HttpHeaders::ptr_t headers(response->getHeaders());
			const std::string *contentType = (headers) ? headers->find(HTTP_IN_HEADER_CONTENT_TYPE) : NULL;

			if (contentType && (HTTP_CONTENT_LLSD_XML == *contentType))
			{
				std::string thebody = LLCoreHttpUtil::responseToString(response);

				LL_WARNS() << "Failed to deserialize . " << getUri() << " [status:" << response->getStatus().toString() << "] "
					<< " body: " << thebody << LL_ENDL;
			}
		}

		this->onSuccess(response, resplsd);
	}

	// The handler must destroy itself when it is done. 
	// *TODO: I'm not fond of this pattern. A class shooting itself in the head 
	// outside of a smart pointer always makes me nervous.
	delete this;
}

//========================================================================
LLHttpSDGenericHandler::LLHttpSDGenericHandler(const LLURI &uri, const std::string &caps) :
	LLHttpSDHandler(uri),
	mCaps(caps)
{
}

void LLHttpSDGenericHandler::onSuccess(LLCore::HttpResponse * response, LLSD &content)
{
	LL_DEBUGS() << mCaps << " Success." << LL_ENDL;
}

void LLHttpSDGenericHandler::onFailure(LLCore::HttpResponse * response, LLCore::HttpStatus status)
{
	LL_WARNS()
		<< "\n--------------------------------------------------------------------------\n"
		<< mCaps << " Error[" << status.toULong() << "] cannot access cap with url '" 
		<< getUri() << "' because " << status.toString()
		<< "\n--------------------------------------------------------------------------"
		<< LL_ENDL;
}