/** 
 * @file llfloaterperms.cpp
 * @brief Asset creation permission preferences.
 * @author Jonathan Yap
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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 "llcheckboxctrl.h"
#include "llfloaterperms.h"
#include "llviewercontrol.h"
#include "llviewerwindow.h"
#include "lluictrlfactory.h"
#include "llpermissions.h"
#include "llagent.h"
#include "llviewerregion.h"
#include "llnotificationsutil.h"
#include "llsdserialize.h"
#include "llvoavatar.h"

LLFloaterPerms::LLFloaterPerms(const LLSD& seed)
: LLFloater(seed)
{
}

BOOL LLFloaterPerms::postBuild()
{
	return TRUE;
}

//static 
U32 LLFloaterPerms::getGroupPerms(std::string prefix)
{	
	return gSavedSettings.getBOOL(prefix+"ShareWithGroup") ? PERM_COPY | PERM_MOVE | PERM_MODIFY : PERM_NONE;
}

//static 
U32 LLFloaterPerms::getEveryonePerms(std::string prefix)
{
	return gSavedSettings.getBOOL(prefix+"EveryoneCopy") ? PERM_COPY : PERM_NONE;
}

//static 
U32 LLFloaterPerms::getNextOwnerPerms(std::string prefix)
{
	U32 flags = PERM_MOVE;
	if ( gSavedSettings.getBOOL(prefix+"NextOwnerCopy") )
	{
		flags |= PERM_COPY;
	}
	if ( gSavedSettings.getBOOL(prefix+"NextOwnerModify") )
	{
		flags |= PERM_MODIFY;
	}
	if ( gSavedSettings.getBOOL(prefix+"NextOwnerTransfer") )
	{
		flags |= PERM_TRANSFER;
	}
	return flags;
}

//static 
U32 LLFloaterPerms::getNextOwnerPermsInverted(std::string prefix)
{
	// Sets bits for permissions that are off
	U32 flags = PERM_MOVE;
	if ( !gSavedSettings.getBOOL(prefix+"NextOwnerCopy") )
	{
		flags |= PERM_COPY;
	}
	if ( !gSavedSettings.getBOOL(prefix+"NextOwnerModify") )
	{
		flags |= PERM_MODIFY;
	}
	if ( !gSavedSettings.getBOOL(prefix+"NextOwnerTransfer") )
	{
		flags |= PERM_TRANSFER;
	}
	return flags;
}

static bool mCapSent = false;

LLFloaterPermsDefault::LLFloaterPermsDefault(const LLSD& seed)
	: LLFloater(seed)
{
	mCommitCallbackRegistrar.add("PermsDefault.Copy", boost::bind(&LLFloaterPermsDefault::onCommitCopy, this, _2));
	mCommitCallbackRegistrar.add("PermsDefault.OK", boost::bind(&LLFloaterPermsDefault::onClickOK, this));
	mCommitCallbackRegistrar.add("PermsDefault.Cancel", boost::bind(&LLFloaterPermsDefault::onClickCancel, this));
}

 
// String equivalents of enum Categories - initialization order must match enum order!
const std::string LLFloaterPermsDefault::sCategoryNames[CAT_LAST] =
{
	"Objects",
	"Uploads",
	"Scripts",
	"Notecards",
	"Gestures",
	"Wearables"
};

BOOL LLFloaterPermsDefault::postBuild()
{
	if(!gSavedSettings.getBOOL("DefaultUploadPermissionsConverted"))
	{
		gSavedSettings.setBOOL("UploadsEveryoneCopy", gSavedSettings.getBOOL("EveryoneCopy"));
		gSavedSettings.setBOOL("UploadsNextOwnerCopy", gSavedSettings.getBOOL("NextOwnerCopy"));
		gSavedSettings.setBOOL("UploadsNextOwnerModify", gSavedSettings.getBOOL("NextOwnerModify"));
		gSavedSettings.setBOOL("UploadsNextOwnerTransfer", gSavedSettings.getBOOL("NextOwnerTransfer"));
		gSavedSettings.setBOOL("UploadsShareWithGroup", gSavedSettings.getBOOL("ShareWithGroup"));
		gSavedSettings.setBOOL("DefaultUploadPermissionsConverted", true);
	}

	mCloseSignal.connect(boost::bind(&LLFloaterPermsDefault::cancel, this));

	refresh();
	
	return true;
}

void LLFloaterPermsDefault::onClickOK()
{
	ok();
	closeFloater();
}

void LLFloaterPermsDefault::onClickCancel()
{
	cancel();
	closeFloater();
}

void LLFloaterPermsDefault::onCommitCopy(const LLSD& user_data)
{
	// Implements fair use
	std::string prefix = user_data.asString();

	BOOL copyable = gSavedSettings.getBOOL(prefix+"NextOwnerCopy");
	if(!copyable)
	{
		gSavedSettings.setBOOL(prefix+"NextOwnerTransfer", TRUE);
	}
	LLCheckBoxCtrl* xfer = getChild<LLCheckBoxCtrl>(prefix+"_transfer");
	xfer->setEnabled(copyable);
}

const int MAX_HTTP_RETRIES = 5;
LLFloaterPermsRequester* LLFloaterPermsRequester::sPermsRequester = NULL;

LLFloaterPermsRequester::LLFloaterPermsRequester(const std::string url, const LLSD report, 
	int maxRetries)
	: mRetriesCount(0), mMaxRetries(maxRetries), mUrl(url), mReport(report)
{}

//static 
void LLFloaterPermsRequester::init(const std::string url, const LLSD report, int maxRetries)
{
	if (sPermsRequester == NULL) {
		sPermsRequester = new LLFloaterPermsRequester(url, report, maxRetries);
	}
}
    
//static
void LLFloaterPermsRequester::finalize()
{
	if (sPermsRequester != NULL)
	{
		delete sPermsRequester;
		sPermsRequester = NULL;
	}
}

//static
LLFloaterPermsRequester* LLFloaterPermsRequester::instance()
{
	return sPermsRequester;
}

void LLFloaterPermsRequester::start()
{
	++mRetriesCount;
	LLHTTPClient::post(mUrl, mReport, new LLFloaterPermsResponder());
}
    
bool LLFloaterPermsRequester::retry()
{
	if (++mRetriesCount < mMaxRetries)
	{
		LLHTTPClient::post(mUrl, mReport, new LLFloaterPermsResponder());
		return true;
	}
	return false;
}

void LLFloaterPermsResponder::httpFailure()
{
	if (!LLFloaterPermsRequester::instance() || !LLFloaterPermsRequester::instance()->retry())
	{
		LLFloaterPermsRequester::finalize();
		const std::string& reason = getReason();
		// Do not display the same error more than once in a row
		if (reason != sPreviousReason)
		{
			sPreviousReason = reason;
			LLSD args;
			args["REASON"] = reason;
			LLNotificationsUtil::add("DefaultObjectPermissions", args);
		}
	}
}

void LLFloaterPermsResponder::httpSuccess()
{
	//const LLSD& content = getContent();
	//dump_sequential_xml("perms_responder_result.xml", content);

	// Since we have had a successful POST call be sure to display the next error message
	// even if it is the same as a previous one.
	sPreviousReason = "";
	LL_INFOS("ObjectPermissionsFloater") << "Default permissions successfully sent to simulator" << LL_ENDL;
}

std::string	LLFloaterPermsResponder::sPreviousReason;

void LLFloaterPermsDefault::sendInitialPerms()
{
	if(!mCapSent)
	{
		updateCap();
		setCapSent(true);
	}
}

void LLFloaterPermsDefault::updateCap()
{
	std::string object_url = gAgent.getRegion()->getCapability("AgentPreferences");

	if(!object_url.empty())
	{
		LLSD report = LLSD::emptyMap();
		report["default_object_perm_masks"]["Group"] =
			(LLSD::Integer)LLFloaterPerms::getGroupPerms(sCategoryNames[CAT_OBJECTS]);
		report["default_object_perm_masks"]["Everyone"] =
			(LLSD::Integer)LLFloaterPerms::getEveryonePerms(sCategoryNames[CAT_OBJECTS]);
		report["default_object_perm_masks"]["NextOwner"] =
			(LLSD::Integer)LLFloaterPerms::getNextOwnerPerms(sCategoryNames[CAT_OBJECTS]);

        {
            LL_DEBUGS("ObjectPermissionsFloater") << "Sending default permissions to '"
                                                  << object_url << "'\n";
            std::ostringstream sent_perms_log;
            LLSDSerialize::toPrettyXML(report, sent_perms_log);
            LL_CONT << sent_perms_log.str() << LL_ENDL;
        }
        LLFloaterPermsRequester::init(object_url, report, MAX_HTTP_RETRIES);
        LLFloaterPermsRequester::instance()->start();
	}
    else
    {
        LL_DEBUGS("ObjectPermissionsFloater") << "AgentPreferences cap not available." << LL_ENDL;
    }
}

void LLFloaterPermsDefault::setCapSent(bool cap_sent)
{
	mCapSent = cap_sent;
}

void LLFloaterPermsDefault::ok()
{
//	Changes were already applied automatically to saved settings.
//	Refreshing internal values makes it official.
	refresh();

// We know some setting has changed but not which one.  Just in case it was a setting for
// object permissions tell the server what the values are.
	updateCap();
}

void LLFloaterPermsDefault::cancel()
{
	for (U32 iter = CAT_OBJECTS; iter < CAT_LAST; iter++)
	{
		gSavedSettings.setBOOL(sCategoryNames[iter]+"NextOwnerCopy",		mNextOwnerCopy[iter]);
		gSavedSettings.setBOOL(sCategoryNames[iter]+"NextOwnerModify",		mNextOwnerModify[iter]);
		gSavedSettings.setBOOL(sCategoryNames[iter]+"NextOwnerTransfer",	mNextOwnerTransfer[iter]);
		gSavedSettings.setBOOL(sCategoryNames[iter]+"ShareWithGroup",		mShareWithGroup[iter]);
		gSavedSettings.setBOOL(sCategoryNames[iter]+"EveryoneCopy",			mEveryoneCopy[iter]);
	}
}

void LLFloaterPermsDefault::refresh()
{
	for (U32 iter = CAT_OBJECTS; iter < CAT_LAST; iter++)
	{
		mShareWithGroup[iter]    = gSavedSettings.getBOOL(sCategoryNames[iter]+"ShareWithGroup");
		mEveryoneCopy[iter]      = gSavedSettings.getBOOL(sCategoryNames[iter]+"EveryoneCopy");
		mNextOwnerCopy[iter]     = gSavedSettings.getBOOL(sCategoryNames[iter]+"NextOwnerCopy");
		mNextOwnerModify[iter]   = gSavedSettings.getBOOL(sCategoryNames[iter]+"NextOwnerModify");
		mNextOwnerTransfer[iter] = gSavedSettings.getBOOL(sCategoryNames[iter]+"NextOwnerTransfer");
	}
}