/** 
 * @file llpathfindingnavmeshstatus.cpp
 * @author William Todd Stinson
 * @brief A class for representing the navmesh status of a pathfinding region.
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, 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 "llviewerprecompiledheaders.h"
#include "llsd.h"
#include "lluuid.h"
#include "llstring.h"
#include "llpathfindingnavmeshstatus.h"

#include <string>

#define REGION_FIELD  "region_id"
#define DEPRECATED_STATE_FIELD "state"
#define STATUS_FIELD  "status"
#define VERSION_FIELD "version"

const std::string LLPathfindingNavMeshStatus::sStatusPending("pending");
const std::string LLPathfindingNavMeshStatus::sStatusBuilding("building");
const std::string LLPathfindingNavMeshStatus::sStatusComplete("complete");
const std::string LLPathfindingNavMeshStatus::sStatusRepending("repending");


//---------------------------------------------------------------------------
// LLPathfindingNavMeshStatus
//---------------------------------------------------------------------------

LLPathfindingNavMeshStatus::LLPathfindingNavMeshStatus(const LLUUID &pRegionUUID)
	: mIsValid(false),
	mRegionUUID(pRegionUUID),
	mVersion(0U),
	mStatus(kComplete)
{
}

LLPathfindingNavMeshStatus::LLPathfindingNavMeshStatus(const LLUUID &pRegionUUID, const LLSD &pContent)
	: mIsValid(true),
	mRegionUUID(pRegionUUID),
	mVersion(0U),
	mStatus(kComplete)
{
	parseStatus(pContent);
}

LLPathfindingNavMeshStatus::LLPathfindingNavMeshStatus(const LLSD &pContent)
	: mIsValid(true),
	mRegionUUID(),
	mVersion(0U),
	mStatus(kComplete)
{
	llassert(pContent.has(REGION_FIELD));
	llassert(pContent.get(REGION_FIELD).isUUID());
	mRegionUUID = pContent.get(REGION_FIELD).asUUID();

	parseStatus(pContent);
}

LLPathfindingNavMeshStatus::LLPathfindingNavMeshStatus(const LLPathfindingNavMeshStatus &pOther)
	: mIsValid(pOther.mIsValid),
	mRegionUUID(pOther.mRegionUUID),
	mVersion(pOther.mVersion),
	mStatus(pOther.mStatus)
{
}

LLPathfindingNavMeshStatus::~LLPathfindingNavMeshStatus()
{
}

LLPathfindingNavMeshStatus &LLPathfindingNavMeshStatus::operator =(const LLPathfindingNavMeshStatus &pOther)
{
	mIsValid = pOther.mIsValid;
	mRegionUUID = pOther.mRegionUUID;
	mVersion = pOther.mVersion;
	mStatus = pOther.mStatus;

	return *this;
}

void LLPathfindingNavMeshStatus::parseStatus(const LLSD &pContent)
{
	llassert(pContent.has(VERSION_FIELD));
	llassert(pContent.get(VERSION_FIELD).isInteger());
	llassert(pContent.get(VERSION_FIELD).asInteger() >= 0);
	mVersion = static_cast<U32>(pContent.get(VERSION_FIELD).asInteger());

#ifdef DEPRECATED_STATE_FIELD
	std::string status;
	if (pContent.has(DEPRECATED_STATE_FIELD))
	{
		llassert(pContent.has(DEPRECATED_STATE_FIELD));
		llassert(pContent.get(DEPRECATED_STATE_FIELD).isString());
		status = pContent.get(DEPRECATED_STATE_FIELD).asString();
	}
	else
	{
		llassert(pContent.has(STATUS_FIELD));
		llassert(pContent.get(STATUS_FIELD).isString());
		status = pContent.get(STATUS_FIELD).asString();
	}
#else // DEPRECATED_STATE_FIELD
	llassert(pContent.has(STATUS_FIELD));
	llassert(pContent.get(STATUS_FIELD).isString());
	std::string status = pContent.get(STATUS_FIELD).asString();
#endif // DEPRECATED_STATE_FIELD

	if (LLStringUtil::compareStrings(status, sStatusPending))
	{
		mStatus = kPending;
	}
	else if (LLStringUtil::compareStrings(status, sStatusBuilding))
	{
		mStatus = kBuilding;
	}
	else if (LLStringUtil::compareStrings(status, sStatusComplete))
	{
		mStatus = kComplete;
	}
	else if (LLStringUtil::compareStrings(status, sStatusRepending))
	{
		mStatus = kRepending;
	}
	else
	{
		mStatus = kComplete;
		llassert(0);
	}
}