/** 
 * @file llfloatersettingsdebug.cpp
 * @brief floater for debugging internal viewer settings
 *
 * $LicenseInfo:firstyear=2022&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2022, 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 "llfloatersettingsdebug.h"
#include "llfloater.h"
#include "llfiltereditor.h"
#include "lluictrlfactory.h"
#include "llcombobox.h"
#include "llspinctrl.h"
#include "llcolorswatch.h"
#include "llviewercontrol.h"
#include "lltexteditor.h"


LLFloaterSettingsDebug::LLFloaterSettingsDebug(const LLSD& key) 
:   LLFloater(key),
    mSettingList(NULL)
{
	mCommitCallbackRegistrar.add("CommitSettings",	boost::bind(&LLFloaterSettingsDebug::onCommitSettings, this));
	mCommitCallbackRegistrar.add("ClickDefault",	boost::bind(&LLFloaterSettingsDebug::onClickDefault, this));
}

LLFloaterSettingsDebug::~LLFloaterSettingsDebug()
{}

bool LLFloaterSettingsDebug::postBuild()
{
    enableResizeCtrls(true, false, true);

    mComment = getChild<LLTextEditor>("comment_text");

    getChild<LLFilterEditor>("filter_input")->setCommitCallback(boost::bind(&LLFloaterSettingsDebug::setSearchFilter, this, _2));

    mSettingList = getChild<LLScrollListCtrl>("setting_list");
    mSettingList->setCommitOnSelectionChange(true);
    mSettingList->setCommitCallback(boost::bind(&LLFloaterSettingsDebug::onSettingSelect, this));

    updateList();

    gSavedSettings.getControl("DebugSettingsHideDefault")->getCommitSignal()->connect(boost::bind(&LLFloaterSettingsDebug::updateList, this, false));

	return true;
}

void LLFloaterSettingsDebug::draw()
{
    LLScrollListItem* first_selected = mSettingList->getFirstSelected();
    if (first_selected)
    {
        LLControlVariable* controlp = (LLControlVariable*)first_selected->getUserdata();
        updateControl(controlp);
    }

	LLFloater::draw();
}

void LLFloaterSettingsDebug::onCommitSettings()
{
    LLScrollListItem* first_selected = mSettingList->getFirstSelected();
    if (!first_selected)
    {
        return;
    }
    LLControlVariable* controlp = (LLControlVariable*)first_selected->getUserdata();

	if (!controlp)
	{
		return;
	}

	LLVector3 vector;
	LLVector3d vectord;
	LLQuaternion quat;
	LLRect rect;
	LLColor4 col4;
	LLColor3 col3;
	LLColor4U col4U;
	LLColor4 color_with_alpha;

	switch(controlp->type())
	{		
	  case TYPE_U32:
		controlp->set(getChild<LLUICtrl>("val_spinner_1")->getValue());
		break;
	  case TYPE_S32:
		controlp->set(getChild<LLUICtrl>("val_spinner_1")->getValue());
		break;
	  case TYPE_F32:
		controlp->set(LLSD(getChild<LLUICtrl>("val_spinner_1")->getValue().asReal()));
		break;
	  case TYPE_BOOLEAN:
		controlp->set(getChild<LLUICtrl>("boolean_combo")->getValue());
		break;
	  case TYPE_STRING:
		controlp->set(LLSD(getChild<LLUICtrl>("val_text")->getValue().asString()));
		break;
	  case TYPE_VEC3:
		vector.mV[VX] = (F32)getChild<LLUICtrl>("val_spinner_1")->getValue().asReal();
		vector.mV[VY] = (F32)getChild<LLUICtrl>("val_spinner_2")->getValue().asReal();
		vector.mV[VZ] = (F32)getChild<LLUICtrl>("val_spinner_3")->getValue().asReal();
		controlp->set(vector.getValue());
		break;
	  case TYPE_VEC3D:
		vectord.mdV[VX] = getChild<LLUICtrl>("val_spinner_1")->getValue().asReal();
		vectord.mdV[VY] = getChild<LLUICtrl>("val_spinner_2")->getValue().asReal();
		vectord.mdV[VZ] = getChild<LLUICtrl>("val_spinner_3")->getValue().asReal();
		controlp->set(vectord.getValue());
		break;
	  case TYPE_QUAT:
		quat.mQ[VX] = getChild<LLUICtrl>("val_spinner_1")->getValue().asReal();
		quat.mQ[VY] = getChild<LLUICtrl>("val_spinner_2")->getValue().asReal();
		quat.mQ[VZ] = getChild<LLUICtrl>("val_spinner_3")->getValue().asReal();
		quat.mQ[VS] = getChild<LLUICtrl>("val_spinner_4")->getValue().asReal();;
		controlp->set(quat.getValue());
		break;
	  case TYPE_RECT:
		rect.mLeft = getChild<LLUICtrl>("val_spinner_1")->getValue().asInteger();
		rect.mRight = getChild<LLUICtrl>("val_spinner_2")->getValue().asInteger();
		rect.mBottom = getChild<LLUICtrl>("val_spinner_3")->getValue().asInteger();
		rect.mTop = getChild<LLUICtrl>("val_spinner_4")->getValue().asInteger();
		controlp->set(rect.getValue());
		break;
	  case TYPE_COL4:
		col3.setValue(getChild<LLUICtrl>("val_color_swatch")->getValue());
		col4 = LLColor4(col3, (F32)getChild<LLUICtrl>("val_spinner_4")->getValue().asReal());
		controlp->set(col4.getValue());
		break;
	  case TYPE_COL3:
		controlp->set(getChild<LLUICtrl>("val_color_swatch")->getValue());
		//col3.mV[VRED] = (F32)floaterp->getChild<LLUICtrl>("val_spinner_1")->getValue().asC();
		//col3.mV[VGREEN] = (F32)floaterp->getChild<LLUICtrl>("val_spinner_2")->getValue().asReal();
		//col3.mV[VBLUE] = (F32)floaterp->getChild<LLUICtrl>("val_spinner_3")->getValue().asReal();
		//controlp->set(col3.getValue());
		break;
	  default:
		break;
	}
    updateDefaultColumn(controlp);
}

// static
void LLFloaterSettingsDebug::onClickDefault()
{
    LLScrollListItem* first_selected = mSettingList->getFirstSelected();
    if (first_selected)
    {
        LLControlVariable* controlp = (LLControlVariable*)first_selected->getUserdata();
        if (controlp)
        {
            controlp->resetToDefault(true);
            updateDefaultColumn(controlp);
            updateControl(controlp);
        }
    }
}

// we've switched controls, or doing per-frame update, so update spinners, etc.
void LLFloaterSettingsDebug::updateControl(LLControlVariable* controlp)
{
	LLSpinCtrl* spinner1 = getChild<LLSpinCtrl>("val_spinner_1");
	LLSpinCtrl* spinner2 = getChild<LLSpinCtrl>("val_spinner_2");
	LLSpinCtrl* spinner3 = getChild<LLSpinCtrl>("val_spinner_3");
	LLSpinCtrl* spinner4 = getChild<LLSpinCtrl>("val_spinner_4");
	LLColorSwatchCtrl* color_swatch = getChild<LLColorSwatchCtrl>("val_color_swatch");

	if (!spinner1 || !spinner2 || !spinner3 || !spinner4 || !color_swatch)
	{
		LL_WARNS() << "Could not find all desired controls by name"
			<< LL_ENDL;
		return;
	}

    hideUIControls();

	if (controlp && !isSettingHidden(controlp))
	{
		eControlType type = controlp->type();

		//hide combo box only for non booleans, otherwise this will result in the combo box closing every frame
		getChildView("boolean_combo")->setVisible( type == TYPE_BOOLEAN);
        getChildView("default_btn")->setVisible(true);
        getChildView("setting_name_txt")->setVisible(true);
        getChild<LLTextBox>("setting_name_txt")->setText(controlp->getName());
        getChild<LLTextBox>("setting_name_txt")->setToolTip(controlp->getName());
        mComment->setVisible(true);

        std::string old_text = mComment->getText();
        std::string new_text = controlp->getComment();
        // Don't setText if not nessesary, it will reset scroll
        // This is a debug UI that reads from xml, there might
        // be use cases where comment changes, but not the name
        if (old_text != new_text)
        {
            mComment->setText(controlp->getComment());
        }

		spinner1->setMaxValue(F32_MAX);
		spinner2->setMaxValue(F32_MAX);
		spinner3->setMaxValue(F32_MAX);
		spinner4->setMaxValue(F32_MAX);
		spinner1->setMinValue(-F32_MAX);
		spinner2->setMinValue(-F32_MAX);
		spinner3->setMinValue(-F32_MAX);
		spinner4->setMinValue(-F32_MAX);
		if (!spinner1->hasFocus())
		{
			spinner1->setIncrement(0.1f);
		}
		if (!spinner2->hasFocus())
		{
			spinner2->setIncrement(0.1f);
		}
		if (!spinner3->hasFocus())
		{
			spinner3->setIncrement(0.1f);
		}
		if (!spinner4->hasFocus())
		{
			spinner4->setIncrement(0.1f);
		}

		LLSD sd = controlp->get();
		switch(type)
		{
		  case TYPE_U32:
			spinner1->setVisible(TRUE);
			spinner1->setLabel(std::string("value")); // Debug, don't translate
			if (!spinner1->hasFocus())
			{
				spinner1->setValue(sd);
				spinner1->setMinValue((F32)U32_MIN);
				spinner1->setMaxValue((F32)U32_MAX);
				spinner1->setIncrement(1.f);
				spinner1->setPrecision(0);
			}
			break;
		  case TYPE_S32:
			spinner1->setVisible(TRUE);
			spinner1->setLabel(std::string("value")); // Debug, don't translate
			if (!spinner1->hasFocus())
			{
				spinner1->setValue(sd);
				spinner1->setMinValue((F32)S32_MIN);
				spinner1->setMaxValue((F32)S32_MAX);
				spinner1->setIncrement(1.f);
				spinner1->setPrecision(0);
			}
			break;
		  case TYPE_F32:
			spinner1->setVisible(TRUE);
			spinner1->setLabel(std::string("value")); // Debug, don't translate
			if (!spinner1->hasFocus())
			{
				spinner1->setPrecision(3);
				spinner1->setValue(sd);
			}
			break;
		  case TYPE_BOOLEAN:
			if (!getChild<LLUICtrl>("boolean_combo")->hasFocus())
			{
				if (sd.asBoolean())
				{
					getChild<LLUICtrl>("boolean_combo")->setValue(LLSD("true"));
				}
				else
				{
					getChild<LLUICtrl>("boolean_combo")->setValue(LLSD(""));
				}
			}
			break;
		  case TYPE_STRING:
			getChildView("val_text")->setVisible( TRUE);
			if (!getChild<LLUICtrl>("val_text")->hasFocus())
			{
				getChild<LLUICtrl>("val_text")->setValue(sd);
			}
			break;
		  case TYPE_VEC3:
		  {
			LLVector3 v;
			v.setValue(sd);
			spinner1->setVisible(TRUE);
			spinner1->setLabel(std::string("X"));
			spinner2->setVisible(TRUE);
			spinner2->setLabel(std::string("Y"));
			spinner3->setVisible(TRUE);
			spinner3->setLabel(std::string("Z"));
			if (!spinner1->hasFocus())
			{
				spinner1->setPrecision(3);
				spinner1->setValue(v[VX]);
			}
			if (!spinner2->hasFocus())
			{
				spinner2->setPrecision(3);
				spinner2->setValue(v[VY]);
			}
			if (!spinner3->hasFocus())
			{
				spinner3->setPrecision(3);
				spinner3->setValue(v[VZ]);
			}
			break;
		  }
		  case TYPE_VEC3D:
		  {
			LLVector3d v;
			v.setValue(sd);
			spinner1->setVisible(TRUE);
			spinner1->setLabel(std::string("X"));
			spinner2->setVisible(TRUE);
			spinner2->setLabel(std::string("Y"));
			spinner3->setVisible(TRUE);
			spinner3->setLabel(std::string("Z"));
			if (!spinner1->hasFocus())
			{
				spinner1->setPrecision(3);
				spinner1->setValue(v[VX]);
			}
			if (!spinner2->hasFocus())
			{
				spinner2->setPrecision(3);
				spinner2->setValue(v[VY]);
			}
			if (!spinner3->hasFocus())
			{
				spinner3->setPrecision(3);
				spinner3->setValue(v[VZ]);
			}
			break;
		  }
		  case TYPE_QUAT:
		  {
			  LLQuaternion q;
			  q.setValue(sd);
			  spinner1->setVisible(TRUE);
			  spinner1->setLabel(std::string("X"));
			  spinner2->setVisible(TRUE);
			  spinner2->setLabel(std::string("Y"));
			  spinner3->setVisible(TRUE);
			  spinner3->setLabel(std::string("Z"));
			  spinner4->setVisible(TRUE);
			  spinner4->setLabel(std::string("S"));
			  if (!spinner1->hasFocus())
			  {
				  spinner1->setPrecision(4);
				  spinner1->setValue(q.mQ[VX]);
			  }
			  if (!spinner2->hasFocus())
			  {
				  spinner2->setPrecision(4);
				  spinner2->setValue(q.mQ[VY]);
			  }
			  if (!spinner3->hasFocus())
			  {
				  spinner3->setPrecision(4);
				  spinner3->setValue(q.mQ[VZ]);
			  }
			  if (!spinner4->hasFocus())
			  {
				  spinner4->setPrecision(4);
				  spinner4->setValue(q.mQ[VS]);
			  }
			  break;
		  }
		  case TYPE_RECT:
		  {
			LLRect r;
			r.setValue(sd);
			spinner1->setVisible(TRUE);
			spinner1->setLabel(std::string("Left"));
			spinner2->setVisible(TRUE);
			spinner2->setLabel(std::string("Right"));
			spinner3->setVisible(TRUE);
			spinner3->setLabel(std::string("Bottom"));
			spinner4->setVisible(TRUE);
			spinner4->setLabel(std::string("Top"));
			if (!spinner1->hasFocus())
			{
				spinner1->setPrecision(0);
				spinner1->setValue(r.mLeft);
			}
			if (!spinner2->hasFocus())
			{
				spinner2->setPrecision(0);
				spinner2->setValue(r.mRight);
			}
			if (!spinner3->hasFocus())
			{
				spinner3->setPrecision(0);
				spinner3->setValue(r.mBottom);
			}
			if (!spinner4->hasFocus())
			{
				spinner4->setPrecision(0);
				spinner4->setValue(r.mTop);
			}

			spinner1->setMinValue((F32)S32_MIN);
			spinner1->setMaxValue((F32)S32_MAX);
			spinner1->setIncrement(1.f);

			spinner2->setMinValue((F32)S32_MIN);
			spinner2->setMaxValue((F32)S32_MAX);
			spinner2->setIncrement(1.f);

			spinner3->setMinValue((F32)S32_MIN);
			spinner3->setMaxValue((F32)S32_MAX);
			spinner3->setIncrement(1.f);

			spinner4->setMinValue((F32)S32_MIN);
			spinner4->setMaxValue((F32)S32_MAX);
			spinner4->setIncrement(1.f);
			break;
		  }
		  case TYPE_COL4:
		  {
			LLColor4 clr;
			clr.setValue(sd);
			color_swatch->setVisible(TRUE);
			// only set if changed so color picker doesn't update
			if(clr != LLColor4(color_swatch->getValue()))
			{
				color_swatch->set(LLColor4(sd), TRUE, FALSE);
			}
			spinner4->setVisible(TRUE);
			spinner4->setLabel(std::string("Alpha"));
			if (!spinner4->hasFocus())
			{
				spinner4->setPrecision(3);
				spinner4->setMinValue(0.0);
				spinner4->setMaxValue(1.f);
				spinner4->setValue(clr.mV[VALPHA]);
			}
			break;
		  }
		  case TYPE_COL3:
		  {
			LLColor3 clr;
			clr.setValue(sd);
			color_swatch->setVisible(TRUE);
			color_swatch->setValue(sd);
			break;
		  }
		  default:
			mComment->setText(std::string("unknown"));
			break;
		}
	}

}

void LLFloaterSettingsDebug::updateList(bool skip_selection)
{
    std::string last_selected;
    LLScrollListItem* item = mSettingList->getFirstSelected();
    if (item)
    {
        LLScrollListCell* cell = item->getColumn(1);
        if (cell)
        {
            last_selected = cell->getValue().asString();
         }
    }

    mSettingList->deleteAllItems();
    struct f : public LLControlGroup::ApplyFunctor
    {
        LLScrollListCtrl* setting_list;
        LLFloaterSettingsDebug* floater;
        std::string selected_setting;
        bool skip_selection;
        f(LLScrollListCtrl* list, LLFloaterSettingsDebug* floater, std::string setting, bool skip_selection) 
            : setting_list(list), floater(floater), selected_setting(setting), skip_selection(skip_selection) {}
        virtual void apply(const std::string& name, LLControlVariable* control)
        {
            if (!control->isHiddenFromSettingsEditor() && floater->matchesSearchFilter(name) && !floater->isSettingHidden(control))
            {
                LLSD row;

                row["columns"][0]["column"] = "changed_setting";
                row["columns"][0]["value"] = control->isDefault() ? "" : "*";

                row["columns"][1]["column"] = "setting";
                row["columns"][1]["value"] = name;

                LLScrollListItem* item = setting_list->addElement(row, ADD_BOTTOM, (void*)control);
                if (!floater->mSearchFilter.empty() && (selected_setting == name) && !skip_selection)
                {
                    std::string lower_name(name);
                    LLStringUtil::toLower(lower_name);
                    if (LLStringUtil::startsWith(lower_name, floater->mSearchFilter))
                    {
                        item->setSelected(true);
                    }
                }
            }
        }
    } func(mSettingList, this, last_selected, skip_selection);

    std::string key = getKey().asString();
    if (key == "all" || key == "base")
    {
        gSavedSettings.applyToAll(&func);
    }
    if (key == "all" || key == "account")
    {
        gSavedPerAccountSettings.applyToAll(&func);
    }


    if (!mSettingList->isEmpty())
    {
        if (mSettingList->hasSelectedItem())
        {
            mSettingList->scrollToShowSelected();
        }
        else if (!mSettingList->hasSelectedItem() && !mSearchFilter.empty() && !skip_selection)
        {
            if (!mSettingList->selectItemByPrefix(mSearchFilter, false, 1))
            {
                mSettingList->selectFirstItem();
            }
            mSettingList->scrollToShowSelected();
        }
    }
    else
    {
        LLSD row;

        row["columns"][0]["column"] = "changed_setting";
        row["columns"][0]["value"] = "";
        row["columns"][1]["column"] = "setting";
        row["columns"][1]["value"] = "No matching settings.";

        mSettingList->addElement(row);
        hideUIControls();
    }
}

void LLFloaterSettingsDebug::onSettingSelect()
{
    LLScrollListItem* first_selected = mSettingList->getFirstSelected();
    if (first_selected)
    {
        LLControlVariable* controlp = (LLControlVariable*)first_selected->getUserdata();
        if (controlp)
        {
            updateControl(controlp);
        }
    }
}

void LLFloaterSettingsDebug::setSearchFilter(const std::string& filter)
{
    if(mSearchFilter == filter)
        return;
    mSearchFilter = filter;
    LLStringUtil::toLower(mSearchFilter);
    updateList();
}

bool LLFloaterSettingsDebug::matchesSearchFilter(std::string setting_name)
{
    // If the search filter is empty, everything passes.
    if (mSearchFilter.empty()) return true;

    LLStringUtil::toLower(setting_name);
    std::string::size_type match_name = setting_name.find(mSearchFilter);

    return (std::string::npos != match_name);
}

bool LLFloaterSettingsDebug::isSettingHidden(LLControlVariable* control)
{
    static LLCachedControl<bool> hide_default(gSavedSettings, "DebugSettingsHideDefault", false);
    return hide_default && control->isDefault();
}

void LLFloaterSettingsDebug::updateDefaultColumn(LLControlVariable* control)
{
    if (isSettingHidden(control))
    {
        hideUIControls();
        updateList(true);
        return;
    }

    LLScrollListItem* item = mSettingList->getFirstSelected();
    if (item)
    {
        LLScrollListCell* cell = item->getColumn(0);
        if (cell)
        {
            std::string is_default = control->isDefault() ? "" : "*";
            cell->setValue(is_default);
        }
    }
}

void LLFloaterSettingsDebug::hideUIControls()
{
    getChildView("val_spinner_1")->setVisible(false);
    getChildView("val_spinner_2")->setVisible(false);
    getChildView("val_spinner_3")->setVisible(false);
    getChildView("val_spinner_4")->setVisible(false);
    getChildView("val_color_swatch")->setVisible(false);
    getChildView("val_text")->setVisible(false);
    getChildView("default_btn")->setVisible(false);
    getChildView("boolean_combo")->setVisible(false);
    getChildView("setting_name_txt")->setVisible(false);
    mComment->setVisible(false);
}