/**
 * @file llfloaterscriptdebug.cpp
 * @brief Chat window for showing script errors and warnings
 *
 * $LicenseInfo:firstyear=2006&license=viewergpl$
 *
 * Copyright (c) 2006-2009, 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 "llfloaterscriptdebug.h"

#include "llfontgl.h"
#include "lluictrlfactory.h"
#include "llmessage.h"

#include "llhudicon.h"
#include "llviewercontrol.h"
#include "llviewerobjectlist.h"
#include "llviewertexteditor.h"
#include "llviewertexturelist.h"
#include "llvoavatarself.h"

//
// Statics
//
LLFloaterScriptDebug* LLFloaterScriptDebug::sInstance = NULL;
LLFrameTimer LLFloaterScriptDebug::sLastErrorTimer;

//
// Member Functions
//
LLFloaterScriptDebug::LLFloaterScriptDebug()
:	LLMultiFloater()
{
	// Avoid resizing of the window to match the initial size of the
	// tabbed-childs, whenever a tab is opened or closed.
	mAutoResize = false;
}

LLFloaterScriptDebug::~LLFloaterScriptDebug()
{
	sInstance = NULL;
}

void LLFloaterScriptDebug::show(const LLUUID& object_id)
{
	LLFloater* floaterp = addOutputWindow(object_id);
	if (sInstance)
	{
		sInstance->open();
		sInstance->showFloater(floaterp);
	}
}

void* getOutputWindow(void* data)
{
	return new LLFloaterScriptDebugOutput();
}

LLFloater* LLFloaterScriptDebug::addOutputWindow(const LLUUID& object_id)
{
	if (!sInstance)
	{
		sInstance = new LLFloaterScriptDebug();
		LLCallbackMap::map_t factory_map;
		factory_map["all_scripts"] = LLCallbackMap(getOutputWindow, NULL);
		LLUICtrlFactory::getInstance()->buildFloater(sInstance,
													 "floater_script_debug.xml",
													 &factory_map);
		sInstance->setVisible(false);
	}

	LLFloater* floaterp;
	{
		LLHostFloater host(sInstance);
		floaterp = LLFloaterScriptDebugOutput::show(object_id);
	}

	// Tabs sometimes overlap resize handle
	sInstance->moveResizeHandlesToFront();

	return floaterp;
}

void LLFloaterScriptDebug::addScriptLine(const std::string& utf8mesg,
										 const std::string& user_name,
										 const LLColor4& color,
										 const LLUUID& source_id)
{
	LLViewerObject* objectp = gObjectList.findObject(source_id);
	std::string floater_label;
	if (objectp)
	{
		if (objectp->isHUDAttachment() && isAgentAvatarValid())
		{
			objectp = gAgentAvatarp;
		}
		LLViewerFetchedTexture* tex =
			LLViewerTextureManager::getFetchedTextureFromFile("script_error.j2c");
		LLHUDIcon* hud_icon = objectp->setIcon(tex);
		hud_icon->setClickedCallback(LLFloaterScriptDebug::show);
		floater_label = llformat("%s (%.0f, %.0f, %.0f)", user_name.c_str(),
								 objectp->getPositionRegion().mV[VX],
								 objectp->getPositionRegion().mV[VY],
								 objectp->getPositionRegion().mV[VZ]);
	}
	else
	{
		floater_label = user_name;
	}

	addOutputWindow(LLUUID::null);
	addOutputWindow(source_id);

	// Add to "All" floater
	LLFloaterScriptDebugOutput* floaterp =
		LLFloaterScriptDebugOutput::getFloaterByID(LLUUID::null);
	floaterp->addLine(utf8mesg, user_name, color);

	// Add to specific script instance floater
	floaterp = LLFloaterScriptDebugOutput::getFloaterByID(source_id);
	floaterp->addLine(utf8mesg, floater_label, color);

	sLastErrorTimer.resetWithExpiry(LLHUDIcon::MAX_VISIBLE_TIME);
}

//
// LLFloaterScriptDebugOutput
//

LLFloaterScriptDebugOutput::instance_map_t LLFloaterScriptDebugOutput::sInstanceMap;

LLFloaterScriptDebugOutput::LLFloaterScriptDebugOutput()
:	mObjectID(LLUUID::null)
{
	sInstanceMap[mObjectID] = this;
}

LLFloaterScriptDebugOutput::LLFloaterScriptDebugOutput(const LLUUID& object_id)
:	LLFloater("script log", LLRect(0, 200, 200, 0), "Script", true),
	mObjectID(object_id)
{
	S32 y = getRect().getHeight() - LLFLOATER_HEADER_SIZE - LLFLOATER_VPAD;
	S32 x = LLFLOATER_HPAD;
	// History editor. Give it a border on the top
	LLRect history_editor_rect(x, y, getRect().getWidth() - LLFLOATER_HPAD,
							   LLFLOATER_VPAD);
	mHistoryEditor = new LLViewerTextEditor("log", history_editor_rect,
											S32_MAX, LLStringUtil::null,
											LLFontGL::getFontSansSerif());
	mHistoryEditor->setWordWrap(true);
	mHistoryEditor->setFollowsAll();
	mHistoryEditor->setEnabled(false);
	// We want to be able to cut or copy from the history:
	mHistoryEditor->setTabStop(true);
	addChild(mHistoryEditor);
}

void LLFloaterScriptDebugOutput::initFloater(const std::string& title,
											 bool resizable,
											 S32 min_width, S32 min_height,
											 bool drag_on_left,
											 bool minimizable, bool close_btn)
{
	LLFloater::initFloater(title, resizable, min_width, min_height,
						   drag_on_left, minimizable, close_btn);
	S32 y = getRect().getHeight() - LLFLOATER_HEADER_SIZE - LLFLOATER_VPAD;
	S32 x = LLFLOATER_HPAD;
	// History editor. Give it a border on the top
	LLRect history_editor_rect(x, y, getRect().getWidth() - LLFLOATER_HPAD,
							   LLFLOATER_VPAD);
	mHistoryEditor = new LLViewerTextEditor("log", history_editor_rect,
											S32_MAX, LLStringUtil::null,
											LLFontGL::getFontSansSerif());
	mHistoryEditor->setWordWrap(true);
	mHistoryEditor->setFollowsAll();
	mHistoryEditor->setEnabled(false);
	// We want to be able to cut or copy from the history:
	mHistoryEditor->setTabStop(true);
	addChild(mHistoryEditor);
}

LLFloaterScriptDebugOutput::~LLFloaterScriptDebugOutput()
{
	sInstanceMap.erase(mObjectID);
}

void LLFloaterScriptDebugOutput::addLine(const std::string& utf8mesg,
										 const std::string& user_name,
										 const LLColor4& color)
{
	if (mObjectID.isNull())
	{
		//setTitle("[All scripts]");
		setCanTearOff(false);
		setCanClose(false);
	}
	else
	{
		setTitle(user_name);
	}

	mHistoryEditor->appendColoredText(utf8mesg, false, true, color);
}

//static
LLFloaterScriptDebugOutput* LLFloaterScriptDebugOutput::show(const LLUUID& object_id)
{
	LLFloaterScriptDebugOutput* floaterp = NULL;
	instance_map_t::iterator found_it = sInstanceMap.find(object_id);
	if (found_it == sInstanceMap.end())
	{
		floaterp = new LLFloaterScriptDebugOutput(object_id);
		sInstanceMap[object_id] = floaterp;
		floaterp->open();
	}
	else
	{
		floaterp = found_it->second;
	}
	return floaterp;
}

//static
LLFloaterScriptDebugOutput* LLFloaterScriptDebugOutput::getFloaterByID(const LLUUID& object_id)
{
	LLFloaterScriptDebugOutput* floaterp = NULL;
	instance_map_t::iterator found_it = sInstanceMap.find(object_id);
	if (found_it != sInstanceMap.end())
	{
		floaterp = found_it->second;
	}
	return floaterp;
}