/**
 * @file llinspectobject.cpp
 *
 * $LicenseInfo:firstyear=2009&license=viewerlgpl$
 * 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 "llinspectobject.h"

// Viewer
#include "llagent.h"            // To standup
#include "llfloatersidepanelcontainer.h"
#include "llinspect.h"
#include "llmediaentry.h"
#include "llselectmgr.h"
#include "llslurl.h"
#include "llviewermenu.h"       // handle_object_touch(), handle_buy()
#include "llviewermedia.h"
#include "llviewermediafocus.h"
#include "llviewerobjectlist.h" // to select the requested object
#include "llvoavatarself.h"

// Linden libraries
#include "llbutton.h"           // setLabel(), not virtual!
#include "llclickaction.h"
#include "llfloaterreg.h"
#include "llmenubutton.h"
#include "llresmgr.h"           // getMonetaryString
#include "llsafehandle.h"
#include "lltextbox.h"          // for description truncation
#include "lltoggleablemenu.h"
#include "lltrans.h"
#include "lluictrl.h"

class LLViewerObject;

//////////////////////////////////////////////////////////////////////////////
// LLInspectObject
//////////////////////////////////////////////////////////////////////////////

// Object Inspector, a small information window used when clicking
// in the ambient inspector widget for objects in the 3D world.
class LLInspectObject : public LLInspect
{
    friend class LLFloaterReg;

public:
    // object_id - Root object ID for which to show information
    // Inspector will be positioned relative to current mouse position
    LLInspectObject(const LLSD& object_id);
    virtual ~LLInspectObject();

    /*virtual*/ bool postBuild(void);

    // Because floater is single instance, need to re-parse data on each spawn
    // (for example, inspector about same avatar but in different position)
    /*virtual*/ void onOpen(const LLSD& avatar_id);

    // Release the selection and do other cleanup
    /*virtual*/ void onClose(bool app_quitting);

    // override the inspector mouse leave so timer is only paused if
    // gear menu is not open
    /* virtual */ void onMouseLeave(S32 x, S32 y, MASK mask);

private:
    // Refresh displayed data with information from selection manager
    void update();

    void hideButtons();
    void updateButtons(LLSelectNode* nodep);
    void updateSitLabel(LLSelectNode* nodep);
    void updateTouchLabel(LLSelectNode* nodep);

    void updateName(LLSelectNode* nodep);
    void updateDescription(LLSelectNode* nodep);
    void updatePrice(LLSelectNode* nodep);
    void updateCreator(LLSelectNode* nodep);

    void updateMediaCurrentURL();
    void updateSecureBrowsing();

    void onClickBuy();
    void onClickPay();
    void onClickTakeFreeCopy();
    void onClickTouch();
    void onClickSit();
    void onClickOpen();
    void onClickMoreInfo();
    void onClickZoomIn();

private:
    LLUUID              mObjectID;
    LLUUID              mPreviousObjectID;
    S32                 mObjectFace;
    viewer_media_t      mMediaImpl;
    LLMediaEntry*       mMediaEntry;
    LLSafeHandle<LLObjectSelection> mObjectSelection;
    boost::signals2::connection mSelectionUpdateSlot;
};

LLInspectObject::LLInspectObject(const LLSD& sd)
:   LLInspect( LLSD() ),    // single_instance, doesn't really need key
    mObjectID(NULL),            // set in onOpen()
    mObjectFace(0),
    mObjectSelection(NULL),
    mMediaImpl(NULL),
    mMediaEntry(NULL)
{
    // can't make the properties request until the widgets are constructed
    // as it might return immediately, so do it in postBuild.
    mCommitCallbackRegistrar.add("InspectObject.Buy",   boost::bind(&LLInspectObject::onClickBuy, this));
    mCommitCallbackRegistrar.add("InspectObject.Pay",   boost::bind(&LLInspectObject::onClickPay, this));
    mCommitCallbackRegistrar.add("InspectObject.TakeFreeCopy",  boost::bind(&LLInspectObject::onClickTakeFreeCopy, this));
    mCommitCallbackRegistrar.add("InspectObject.Touch", boost::bind(&LLInspectObject::onClickTouch, this));
    mCommitCallbackRegistrar.add("InspectObject.Sit",   boost::bind(&LLInspectObject::onClickSit, this));
    mCommitCallbackRegistrar.add("InspectObject.Open",  boost::bind(&LLInspectObject::onClickOpen, this));
    mCommitCallbackRegistrar.add("InspectObject.MoreInfo",  boost::bind(&LLInspectObject::onClickMoreInfo, this));
    mCommitCallbackRegistrar.add("InspectObject.ZoomIn", boost::bind(&LLInspectObject::onClickZoomIn, this));
}


LLInspectObject::~LLInspectObject()
{
    if (mSelectionUpdateSlot.connected())
    {
        mSelectionUpdateSlot.disconnect();
    }
}

/*virtual*/
bool LLInspectObject::postBuild(void)
{
    // The XML file has sample data in it.  Clear that out so we don't
    // flicker when data arrives off network.
    getChild<LLUICtrl>("object_name")->setValue("");
    getChild<LLUICtrl>("object_creator")->setValue("");
    getChild<LLUICtrl>("object_description")->setValue("");
    getChild<LLUICtrl>("object_media_url")->setValue("");
    // Set buttons invisible until we know what this object can do
    hideButtons();

    // Hide floater when name links clicked
    LLTextBox* textbox = getChild<LLTextBox>("object_creator");
    textbox->setURLClickedCallback(boost::bind(&LLInspectObject::closeFloater, this, false) );

    // Hook up functionality
    getChild<LLUICtrl>("buy_btn")->setCommitCallback(
        boost::bind(&LLInspectObject::onClickBuy, this));
    getChild<LLUICtrl>("pay_btn")->setCommitCallback(
        boost::bind(&LLInspectObject::onClickPay, this));
    getChild<LLUICtrl>("take_free_copy_btn")->setCommitCallback(
        boost::bind(&LLInspectObject::onClickTakeFreeCopy, this));
    getChild<LLUICtrl>("touch_btn")->setCommitCallback(
        boost::bind(&LLInspectObject::onClickTouch, this));
    getChild<LLUICtrl>("sit_btn")->setCommitCallback(
        boost::bind(&LLInspectObject::onClickSit, this));
    getChild<LLUICtrl>("open_btn")->setCommitCallback(
        boost::bind(&LLInspectObject::onClickOpen, this));
    getChild<LLUICtrl>("more_info_btn")->setCommitCallback(
        boost::bind(&LLInspectObject::onClickMoreInfo, this));

    if (!mSelectionUpdateSlot.connected())
    {
        // Watch for updates to selection properties off the network
        mSelectionUpdateSlot = LLSelectMgr::getInstance()->mUpdateSignal.connect(
            boost::bind(&LLInspectObject::update, this));
    }

    return true;
}

// Multiple calls to showInstance("inspect_avatar", foo) will provide different
// LLSD for foo, which we will catch here.
//virtual
void LLInspectObject::onOpen(const LLSD& data)
{
    // Start animation
    LLInspect::onOpen(data);

    // Extract appropriate avatar id
    mObjectID = data["object_id"];

    if(data.has("object_face"))
    {
        mObjectFace = data["object_face"];
    }

    LLInspect::repositionInspector(data);

    // Promote hovered object to a complete selection, which will also force
    // a request for selected object data off the network
    LLViewerObject* obj = gObjectList.findObject( mObjectID );
    if (obj)
    {
        // Media focus and this code fight over the select manager.
        // Make sure any media is unfocused before changing the selection here.
        LLViewerMediaFocus::getInstance()->clearFocus();

        LLSelectMgr::instance().deselectAll();
        mObjectSelection = LLSelectMgr::instance().selectObjectAndFamily(obj,false,true);

        // Mark this as a transient selection
        struct SetTransient : public LLSelectedNodeFunctor
        {
            bool apply(LLSelectNode* node)
            {
                node->setTransient(true);
                return true;
            }
        } functor;
        mObjectSelection->applyToNodes(&functor);

        // Does this face have media?
        const LLTextureEntry* tep = obj->getTE(mObjectFace);
        if (!tep)
            return;

        mMediaEntry = tep->hasMedia() ? tep->getMediaData() : NULL;
        if(!mMediaEntry)
            return;

        mMediaImpl = LLViewerMedia::getInstance()->getMediaImplFromTextureID(mMediaEntry->getMediaID());
    }
}

// virtual
void LLInspectObject::onClose(bool app_quitting)
{
    // Release selection to deselect
    mObjectSelection = NULL;
    mPreviousObjectID = mObjectID;

    getChild<LLMenuButton>("gear_btn")->hideMenu();
}


void LLInspectObject::update()
{
    // Performance optimization, because we listen to updates from select mgr
    // but we're never destroyed.
    if (!getVisible()) return;

    LLObjectSelection* selection = LLSelectMgr::getInstance()->getSelection();
    if (!selection) return;

    LLSelectNode* nodep = selection->getFirstRootNode();
    if (!nodep) return;

    // If we don't have fresh object info yet and it's the object we inspected last time,
    // keep showing the previously retrieved data until we get the update.
    if (!nodep->mValid && nodep->getObject()->getID() == mPreviousObjectID)
    {
        return;
    }

    updateButtons(nodep);
    updateName(nodep);
    updateDescription(nodep);
    updateCreator(nodep);
    updatePrice(nodep);

    LLViewerObject* obj = nodep->getObject();
    if(!obj)
        return;

    if ( mObjectFace < 0
        ||  mObjectFace >= obj->getNumTEs() )
    {
        return;
    }

    // Does this face have media?
    const LLTextureEntry* tep = obj->getTE(mObjectFace);
    if (!tep)
        return;

    mMediaEntry = tep->hasMedia() ? tep->getMediaData() : NULL;
    if(!mMediaEntry)
        return;

    mMediaImpl = LLViewerMedia::getInstance()->getMediaImplFromTextureID(mMediaEntry->getMediaID());

    updateMediaCurrentURL();
    updateSecureBrowsing();
}

void LLInspectObject::hideButtons()
{
    getChild<LLUICtrl>("buy_btn")->setVisible(false);
    getChild<LLUICtrl>("pay_btn")->setVisible(false);
    getChild<LLUICtrl>("take_free_copy_btn")->setVisible(false);
    getChild<LLUICtrl>("touch_btn")->setVisible(false);
    getChild<LLUICtrl>("sit_btn")->setVisible(false);
    getChild<LLUICtrl>("open_btn")->setVisible(false);
}

// *TODO: Extract this method from lltoolpie.cpp and put somewhere shared
extern U8 final_click_action(LLViewerObject*);

// Choose the "most relevant" operation for this object, and show a button for
// that operation as the left-most button in the inspector.
void LLInspectObject::updateButtons(LLSelectNode* nodep)
{
    // We'll start with everyone hidden and show the ones we need
    hideButtons();

    LLViewerObject* object = nodep->getObject();
    LLViewerObject *parent = (LLViewerObject*)object->getParent();
    bool for_copy = anyone_copy_selection(nodep);
    bool for_sale = enable_buy_object();
    S32 price = nodep->mSaleInfo.getSalePrice();
    U8 click_action = final_click_action(object);

    if (for_copy
        || (for_sale && price == 0))
    {
        // Free copies have priority over other operations
        getChild<LLUICtrl>("take_free_copy_btn")->setVisible(true);
    }
    else if (for_sale)
    {
        getChild<LLUICtrl>("buy_btn")->setVisible(true);
    }
    else if ( enable_pay_object() )
    {
        getChild<LLUICtrl>("pay_btn")->setVisible(true);
    }
    else if (click_action == CLICK_ACTION_SIT)
    {
        // Click-action sit must come before "open" because many objects on
        // which you can sit have scripts, and hence can be opened
        getChild<LLUICtrl>("sit_btn")->setVisible(true);
        updateSitLabel(nodep);
    }
    else if (object->flagHandleTouch()
        || (parent && parent->flagHandleTouch()))
    {
        getChild<LLUICtrl>("touch_btn")->setVisible(true);
        updateTouchLabel(nodep);
    }
    else if ( enable_object_open() )
    {
        // Open is last because anything with a script in it can be opened
        getChild<LLUICtrl>("open_btn")->setVisible(true);
    }
    else
    {
        // By default, we can sit on anything
        getChild<LLUICtrl>("sit_btn")->setVisible(true);
        updateSitLabel(nodep);
    }

    // No flash
    focusFirstItem(false, false);
}

void LLInspectObject::updateSitLabel(LLSelectNode* nodep)
{
    LLButton* sit_btn = getChild<LLButton>("sit_btn");
    if (!nodep->mSitName.empty())
    {
        sit_btn->setLabel( nodep->mSitName );
    }
    else
    {
        sit_btn->setLabel( getString("Sit") );
    }
}

void LLInspectObject::updateTouchLabel(LLSelectNode* nodep)
{
    LLButton* sit_btn = getChild<LLButton>("touch_btn");
    if (!nodep->mTouchName.empty())
    {
        sit_btn->setLabel( nodep->mTouchName );
    }
    else
    {
        sit_btn->setLabel( getString("Touch") );
    }
}

void LLInspectObject::updateName(LLSelectNode* nodep)
{
    std::string name;
    if (!nodep->mName.empty())
    {
        name = nodep->mName;
    }
    else
    {
        name = LLTrans::getString("TooltipNoName");
    }
    getChild<LLUICtrl>("object_name")->setValue(name);
}

void LLInspectObject::updateDescription(LLSelectNode* nodep)
{
    const char* const DEFAULT_DESC = "(No Description)";
    std::string desc;
    if (!nodep->mDescription.empty()
        && nodep->mDescription != DEFAULT_DESC)
    {
        desc = nodep->mDescription;
    }

    LLTextBox* textbox = getChild<LLTextBox>("object_description");
    textbox->setValue(desc);
}

void LLInspectObject::updateMediaCurrentURL()
{
    if(!mMediaEntry)
        return;
    LLTextBox* textbox = getChild<LLTextBox>("object_media_url");
    std::string media_url = "";
    textbox->setValue(media_url);
    textbox->setToolTip(media_url);
    LLStringUtil::format_map_t args;

    if(mMediaImpl.notNull() && mMediaImpl->hasMedia())
    {

        LLPluginClassMedia* media_plugin = NULL;
        media_plugin = mMediaImpl->getMediaPlugin();
        if(media_plugin)
        {
            if(media_plugin->pluginSupportsMediaTime())
            {
                args["[CurrentURL]"] =  mMediaImpl->getMediaURL();
            }
            else
            {
                args["[CurrentURL]"] =  media_plugin->getLocation();
            }
            media_url = LLTrans::getString("CurrentURL", args);

        }
    }
    else if(mMediaEntry->getCurrentURL() != "")
    {
        args["[CurrentURL]"] = mMediaEntry->getCurrentURL();
        media_url = LLTrans::getString("CurrentURL", args);
    }

    textbox->setText(media_url);
    textbox->setToolTip(media_url);
}

void LLInspectObject::updateCreator(LLSelectNode* nodep)
{
    // final information for display
    LLStringUtil::format_map_t args;
    std::string text;

    // Leave text blank until data loaded
    if (nodep->mValid)
    {
        // Utilize automatic translation of SLURL into name to display
        // a clickable link
        // Objects cannot be created by a group, so use agent URL format
        LLUUID creator_id = nodep->mPermissions->getCreator();
        std::string creator_url =
            LLSLURL("agent", creator_id, "about").getSLURLString();
        args["[CREATOR]"] = creator_url;

        // created by one user but owned by another
        std::string owner_url;
        LLUUID owner_id;
        bool group_owned = nodep->mPermissions->isGroupOwned();
        if (group_owned)
        {
            owner_id = nodep->mPermissions->getGroup();
            owner_url = LLSLURL("group", owner_id, "about").getSLURLString();
        }
        else
        {
            owner_id = nodep->mPermissions->getOwner();
            owner_url = LLSLURL("agent", owner_id, "about").getSLURLString();
        }
        args["[OWNER]"] = owner_url;

        if (creator_id == owner_id)
        {
            // common case, created and owned by one user
            text = getString("Creator", args);
        }
        else
        {
            text = getString("CreatorAndOwner", args);
        }
    }
    getChild<LLUICtrl>("object_creator")->setValue(text);
}

void LLInspectObject::updatePrice(LLSelectNode* nodep)
{
    // *TODO: Only look these up once and use for both updateButtons and here
    bool for_copy = anyone_copy_selection(nodep);
    bool for_sale = enable_buy_object();
    S32 price = nodep->mSaleInfo.getSalePrice();

    bool show_price_icon = false;
    std::string line;
    if (for_copy
        || (for_sale && price == 0))
    {
        line = getString("PriceFree");
        show_price_icon = true;
    }
    else if (for_sale)
    {
        LLStringUtil::format_map_t args;
        args["[AMOUNT]"] = LLResMgr::getInstance()->getMonetaryString(price);
        line = getString("Price", args);
        show_price_icon = true;
    }
    getChild<LLUICtrl>("price_text")->setValue(line);
    getChild<LLUICtrl>("price_icon")->setVisible(show_price_icon);
}

void LLInspectObject::updateSecureBrowsing()
{
    bool is_secure_browsing = false;

    if(mMediaImpl.notNull()
       && mMediaImpl->hasMedia())
    {
        LLPluginClassMedia* media_plugin = NULL;
        std::string current_url = "";
        media_plugin = mMediaImpl->getMediaPlugin();
        if(media_plugin)
        {
            if(media_plugin->pluginSupportsMediaTime())
            {
                current_url = mMediaImpl->getMediaURL();
            }
            else
            {
                current_url =  media_plugin->getLocation();
            }
        }

        std::string prefix =  std::string("https://");
        std::string test_prefix = current_url.substr(0, prefix.length());
        LLStringUtil::toLower(test_prefix);
        if(test_prefix == prefix)
        {
            is_secure_browsing = true;
        }
    }
    getChild<LLUICtrl>("secure_browsing")->setVisible(is_secure_browsing);
}

// For the object inspector, only unpause the fade timer
// if the gear menu is not open
void LLInspectObject::onMouseLeave(S32 x, S32 y, MASK mask)
{
    LLToggleableMenu* gear_menu = getChild<LLMenuButton>("gear_btn")->getMenu();
    if ( gear_menu && gear_menu->getVisible() )
    {
        return;
    }

    if(childHasVisiblePopupMenu())
    {
        return;
    }

    mOpenTimer.unpause();
}

void LLInspectObject::onClickBuy()
{
    handle_buy();
    closeFloater();
}

void LLInspectObject::onClickPay()
{
    handle_give_money_dialog();
    closeFloater();
}

void LLInspectObject::onClickTakeFreeCopy()
{
    LLObjectSelection* selection = LLSelectMgr::getInstance()->getSelection();
    if (!selection) return;

    LLSelectNode* nodep = selection->getFirstRootNode();
    if (!nodep) return;

    // Figure out if this is a "free buy" or a "take copy"
    bool for_copy = anyone_copy_selection(nodep);
    // Prefer to just take a free copy
    if (for_copy)
    {
        handle_take_copy();
    }
    else
    {
        // Buy for free (confusing, but that's how it is)
        handle_buy();
    }
    closeFloater();
}

void LLInspectObject::onClickTouch()
{
    handle_object_touch();
    closeFloater();
}

void LLInspectObject::onClickSit()
{
    bool is_sitting = false;
    if (mObjectSelection)
    {
        LLSelectNode* node = mObjectSelection->getFirstRootNode();
        if (node && node->mValid)
        {
            LLViewerObject* root_object = node->getObject();
            if (root_object
                && isAgentAvatarValid()
                && gAgentAvatarp->isSitting()
                && gAgentAvatarp->getRoot() == root_object)
            {
                is_sitting = true;
            }
        }
    }

    if (is_sitting)
    {
        gAgent.standUp();
    }
    else
    {
        handle_object_sit(mObjectID);
    }
    closeFloater();
}

void LLInspectObject::onClickOpen()
{
    LLFloaterReg::showInstance("openobject");
    closeFloater();
}

void LLInspectObject::onClickMoreInfo()
{
    LLFloaterReg::showInstance("task_properties");
    closeFloater();
}

void LLInspectObject::onClickZoomIn()
{
    handle_look_at_selection("zoom");
    closeFloater();
}

//////////////////////////////////////////////////////////////////////////////
// LLInspectObjectUtil
//////////////////////////////////////////////////////////////////////////////
void LLInspectObjectUtil::registerFloater()
{
    LLFloaterReg::add("inspect_object", "inspect_object.xml",
                      &LLFloaterReg::build<LLInspectObject>);
}