/** 
 * @file llfloaterdisplayname.cpp
 * @author Leyla Farazha
 * @brief Implementation of the LLFloaterDisplayName class.
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * 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 "llfloaterreg.h"
#include "llfloater.h"

#include "llnotificationsutil.h"
#include "llviewerdisplayname.h"

#include "llnotifications.h"
#include "llfloaterdisplayname.h"
#include "llavatarnamecache.h"

#include "llagent.h"


class LLFloaterDisplayName final : public LLFloater
{
public:
	LLFloaterDisplayName(const LLSD& key);
	virtual ~LLFloaterDisplayName() { }
	/*virtual*/	BOOL	postBuild();
	void onSave();
	void onReset();
	void onCancel();
	/*virtual*/ void onOpen(const LLSD& key);
	
private:
	
	void onCacheSetName(bool success,
										  const std::string& reason,
										  const LLSD& content);
};

LLFloaterDisplayName::LLFloaterDisplayName(const LLSD& key) :
	LLFloater(key)
{
}

void LLFloaterDisplayName::onOpen(const LLSD& key)
{
	getChild<LLUICtrl>("display_name_editor")->clear();
	getChild<LLUICtrl>("display_name_confirm")->clear();

	LLAvatarName av_name;
	LLAvatarNameCache::get(gAgent.getID(), &av_name);

	F64 now_secs = LLDate::now().secondsSinceEpoch();

	if (now_secs < av_name.mNextUpdate)
	{
		// ...can't update until some time in the future
		F64 next_update_local_secs =
			av_name.mNextUpdate - LLStringOps::getLocalTimeOffset();
		LLDate next_update_local(next_update_local_secs);
		// display as "July 18 12:17 PM"
		std::string next_update_string =
		next_update_local.toHTTPDateString("%B %d %I:%M %p");
		getChild<LLUICtrl>("lockout_text")->setTextArg("[TIME]", next_update_string);
		getChild<LLUICtrl>("lockout_text")->setVisible(true);
		getChild<LLUICtrl>("save_btn")->setEnabled(false);
		getChild<LLUICtrl>("display_name_editor")->setEnabled(false);
		getChild<LLUICtrl>("display_name_confirm")->setEnabled(false);
		getChild<LLUICtrl>("cancel_btn")->setFocus(TRUE);
		
	}
	else
	{
		getChild<LLUICtrl>("lockout_text")->setVisible(false);
		getChild<LLUICtrl>("save_btn")->setEnabled(true);
		getChild<LLUICtrl>("display_name_editor")->setEnabled(true);
		getChild<LLUICtrl>("display_name_confirm")->setEnabled(true);

	}
}

BOOL LLFloaterDisplayName::postBuild()
{
	getChild<LLUICtrl>("reset_btn")->setCommitCallback(boost::bind(&LLFloaterDisplayName::onReset, this));	
	getChild<LLUICtrl>("cancel_btn")->setCommitCallback(boost::bind(&LLFloaterDisplayName::onCancel, this));	
	getChild<LLUICtrl>("save_btn")->setCommitCallback(boost::bind(&LLFloaterDisplayName::onSave, this));	
	
	center();

	return TRUE;
}

void LLFloaterDisplayName::onCacheSetName(bool success,
										  const std::string& reason,
										  const LLSD& content)
{
	if (success)
	{
		// Inform the user that the change took place, but will take a while
		// to percolate.
		LLSD args;
		args["DISPLAY_NAME"] = content["display_name"];
		LLNotificationsUtil::add("SetDisplayNameSuccess", args);
		return;
	}

	// Request failed, notify the user
	std::string error_tag = content["error_tag"].asString();
	LL_INFOS() << "set name failure error_tag " << error_tag << LL_ENDL;

	// We might have a localized string for this message
	// error_args will usually be empty from the server.
	if (!error_tag.empty()
		&& LLNotifications::getInstance()->templateExists(error_tag))
	{
		LLNotificationsUtil::add(error_tag);
		return;
	}

	// The server error might have a localized message for us
	std::string lang_code = LLUI::getLanguage();
	LLSD error_desc = content["error_description"];
	if (error_desc.has( lang_code ))
	{
		LLSD args;
		args["MESSAGE"] = error_desc[lang_code].asString();
		LLNotificationsUtil::add("GenericAlert", args);
		return;
	}

	// No specific error, throw a generic one
	LLNotificationsUtil::add("SetDisplayNameFailedGeneric");
}

void LLFloaterDisplayName::onCancel()
{
	setVisible(false);
}

void LLFloaterDisplayName::onReset()
{
    if (LLAvatarNameCache::getInstance()->hasNameLookupURL())
	{
		LLViewerDisplayName::set("",boost::bind(&LLFloaterDisplayName::onCacheSetName, this, _1, _2, _3));
	}	
	else
	{
		LLNotificationsUtil::add("SetDisplayNameFailedGeneric");
	}
	
	setVisible(false);
}


void LLFloaterDisplayName::onSave()
{
	std::string display_name_utf8 = getChild<LLUICtrl>("display_name_editor")->getValue().asString();
	std::string display_name_confirm = getChild<LLUICtrl>("display_name_confirm")->getValue().asString();

	if (display_name_utf8.compare(display_name_confirm))
	{
		LLNotificationsUtil::add("SetDisplayNameMismatch");
		return;
	}

	const U32 DISPLAY_NAME_MAX_LENGTH = 31; // characters, not bytes
	LLWString display_name_wstr = utf8string_to_wstring(display_name_utf8);
	if (display_name_wstr.size() > DISPLAY_NAME_MAX_LENGTH)
	{
		LLSD args;
		args["LENGTH"] = fmt::to_string(DISPLAY_NAME_MAX_LENGTH);
		LLNotificationsUtil::add("SetDisplayNameFailedLength", args);
		return;
	}
	
    if (LLAvatarNameCache::getInstance()->hasNameLookupURL())
	{
		LLViewerDisplayName::set(display_name_utf8,boost::bind(&LLFloaterDisplayName::onCacheSetName, this, _1, _2, _3));	
	}
	else
	{
		LLNotificationsUtil::add("SetDisplayNameFailedGeneric");
	}

	setVisible(false);
}


//////////////////////////////////////////////////////////////////////////////
// LLInspectObjectUtil
//////////////////////////////////////////////////////////////////////////////
void LLFloaterDisplayNameUtil::registerFloater()
{
	LLFloaterReg::add("display_name", "floater_display_name.xml",
					  &LLFloaterReg::build<LLFloaterDisplayName>);
}
