/** 
 * @file LLNearbyChat.cpp
 * @brief Nearby chat history scrolling panel implementation
 *
 * $LicenseInfo:firstyear=2009&license=viewergpl$
 * 
 * Copyright (c) 2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llnearbychat.h"
#include "llviewercontrol.h"
#include "llviewerwindow.h"
#include "llrootview.h"
//#include "llchatitemscontainerctrl.h"
#include "lliconctrl.h"
#include "llsidetray.h"
#include "llfocusmgr.h"
#include "llresizebar.h"
#include "llresizehandle.h"
#include "llmenugl.h"
#include "llviewermenu.h"//for gMenuHolder

#include "llnearbychathandler.h"
#include "llchannelmanager.h"

#include "llagent.h" 			// gAgent
#include "llfloaterscriptdebug.h"
#include "llchathistory.h"
#include "llstylemap.h"

#include "lldraghandle.h"
#include "lltrans.h"
#include "llbottomtray.h"
#include "llnearbychatbar.h"
#include "llfloaterreg.h"

static const S32 RESIZE_BAR_THICKNESS = 3;

LLNearbyChat::LLNearbyChat(const LLSD& key) 
	: LLDockableFloater(NULL, false, key)
	,mChatHistory(NULL)
{
	
}

LLNearbyChat::~LLNearbyChat()
{
}

BOOL LLNearbyChat::postBuild()
{
	//menu
	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;

	enable_registrar.add("NearbyChat.Check", boost::bind(&LLNearbyChat::onNearbyChatCheckContextMenuItem, this, _2));
	registrar.add("NearbyChat.Action", boost::bind(&LLNearbyChat::onNearbyChatContextMenuItemClicked, this, _2));

	
	LLMenuGL* menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_nearby_chat.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
	if(menu)
		mPopupMenuHandle = menu->getHandle();

	gSavedSettings.declareS32("nearbychat_showicons_and_names",2,"NearByChat header settings",true);

	mChatHistory = getChild<LLChatHistory>("chat_history");

	if(!LLDockableFloater::postBuild())
		return false;

	if (getDockControl() == NULL)
	{
		setDockControl(new LLDockControl(
			LLBottomTray::getInstance()->getNearbyChatBar(), this,
			getDockTongue(), LLDockControl::TOP, boost::bind(&LLNearbyChat::getAllowedRect, this, _1)));
	}

	return true;
}


void    LLNearbyChat::applySavedVariables()
{
	if (mRectControl.size() > 1)
	{
		const LLRect& rect = LLUI::sSettingGroups["floater"]->getRect(mRectControl);
		if(!rect.isEmpty() && rect.isValid())
		{
			reshape(rect.getWidth(), rect.getHeight());
			setRect(rect);
		}
	}


	if(!LLUI::sSettingGroups["floater"]->controlExists(mDocStateControl))
	{
		setDocked(true);
	}
	else
	{
		if (mDocStateControl.size() > 1)
		{
			bool dockState = LLUI::sSettingGroups["floater"]->getBOOL(mDocStateControl);
			setDocked(dockState);
		}
	}
}

std::string appendTime()
{
	time_t utc_time;
	utc_time = time_corrected();
	std::string timeStr ="["+ LLTrans::getString("TimeHour")+"]:["
		+LLTrans::getString("TimeMin")+"] ";

	LLSD substitution;

	substitution["datetime"] = (S32) utc_time;
	LLStringUtil::format (timeStr, substitution);

	return timeStr;
}

void	LLNearbyChat::addMessage(const LLChat& chat,bool archive)
{
	if (chat.mChatType == CHAT_TYPE_DEBUG_MSG)
	{
		if(gSavedSettings.getBOOL("ShowScriptErrors") == FALSE)
			return;
		if (gSavedSettings.getS32("ShowScriptErrorsLocation")== 1)// show error in window //("ScriptErrorsAsChat"))
		{

			LLColor4 txt_color;

			LLViewerChat::getChatColor(chat,txt_color);
			
			LLFloaterScriptDebug::addScriptLine(chat.mText,
												chat.mFromName, 
												txt_color, 
												chat.mFromID);
			return;
		}
	}

	bool use_plain_text_chat_history = gSavedSettings.getBOOL("PlainTextChatHistory");
	
	if (!chat.mMuted)
	{
		std::string message = chat.mText;


		LLChat& tmp_chat = const_cast<LLChat&>(chat);

		if(tmp_chat.mTimeStr.empty())
			tmp_chat.mTimeStr = appendTime();
		
		if (chat.mChatStyle == CHAT_STYLE_IRC)
		{
			LLColor4 txt_color = LLUIColorTable::instance().getColor("White");
			LLViewerChat::getChatColor(chat,txt_color);
			LLFontGL* fontp = LLViewerChat::getChatFont();
			std::string font_name = LLFontGL::nameFromFont(fontp);
			std::string font_size = LLFontGL::sizeFromFont(fontp);
			LLStyle::Params append_style_params;
			append_style_params.color(txt_color);
			append_style_params.readonly_color(txt_color);
			append_style_params.font.name(font_name);
			append_style_params.font.size(font_size);
			if (chat.mFromName.size() > 0)
			{
				append_style_params.font.style = "ITALIC";
				LLChat add_chat=chat;
				add_chat.mText = chat.mFromName + " ";
				mChatHistory->appendMessage(add_chat, use_plain_text_chat_history, append_style_params);
			}
			
			message = message.substr(3);
			append_style_params.font.style = "ITALIC";
			mChatHistory->appendText(message, FALSE, append_style_params);
		}
		else
		{
			mChatHistory->appendMessage(chat,use_plain_text_chat_history);
		}
	}

	if(archive)
	{
		mMessageArchive.push_back(chat);
		if(mMessageArchive.size()>200)
			mMessageArchive.erase(mMessageArchive.begin());
	}
}

void LLNearbyChat::onNearbySpeakers()
{
	LLSD param;
	param["people_panel_tab_name"] = "nearby_panel";
	LLSideTray::getInstance()->showPanel("panel_people",param);
}


void	LLNearbyChat::onNearbyChatContextMenuItemClicked(const LLSD& userdata)
{
}
bool	LLNearbyChat::onNearbyChatCheckContextMenuItem(const LLSD& userdata)
{
	std::string str = userdata.asString();
	if(str == "nearby_people")
		onNearbySpeakers();	
	return false;
}

void	LLNearbyChat::setVisible(BOOL visible)
{
	if(visible)
	{
		LLNotificationsUI::LLScreenChannelBase* chat_channel = LLNotificationsUI::LLChannelManager::getInstance()->findChannelByID(LLUUID(gSavedSettings.getString("NearByChatChannelUUID")));
		if(chat_channel)
		{
			chat_channel->removeToastsFromChannel();
		}
	}

	LLDockableFloater::setVisible(visible);
}

void	LLNearbyChat::onOpen(const LLSD& key )
{
	LLDockableFloater::onOpen(key);
}

void LLNearbyChat::setRect	(const LLRect &rect)
{
	LLDockableFloater::setRect(rect);
}

void LLNearbyChat::getAllowedRect(LLRect& rect)
{
	rect = gViewerWindow->getWorldViewRectScaled();
}

void LLNearbyChat::updateChatHistoryStyle()
{
	mChatHistory->clear();
	for(std::vector<LLChat>::iterator it = mMessageArchive.begin();it!=mMessageArchive.end();++it)
	{
		addMessage(*it,false);
	}
}

//static 
void LLNearbyChat::processChatHistoryStyleUpdate(const LLSD& newvalue)
{
	LLNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLNearbyChat>("nearby_chat", LLSD());
	if(nearby_chat)
		nearby_chat->updateChatHistoryStyle();
}


////////////////////////////////////////////////////////////////////////////////
//
void LLNearbyChat::onFocusReceived()
{
	setBackgroundOpaque(true);
	LLPanel::onFocusReceived();
}

////////////////////////////////////////////////////////////////////////////////
//
void LLNearbyChat::onFocusLost()
{
	setBackgroundOpaque(false);
	LLPanel::onFocusLost();
}