/**
 * @file fspanelblocklist.cpp
 * @brief Container for blocked Residents & Objects list
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * Copyright (c) 2014 Ansariel Hiller
 *
 * 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
 * $/LicenseInfo$
 */

// Original file: llpanelblockedlist.cpp

#include "llviewerprecompiledheaders.h"

#include "fspanelblocklist.h"

#include "fscommon.h"
#include "fsblocklistmenu.h"
#include "fsscrolllistctrl.h"
#include "llavataractions.h"
#include "llavatarname.h"
#include "llfiltereditor.h"
#include "llfloater.h"
#include "llfloateravatarpicker.h"
#include "llfloaterreg.h"
#include "llfloatersidepanelcontainer.h"
#include "llnotificationsutil.h"
#include "llpanelblockedlist.h"
#include "llviewercontrol.h"


static LLPanelInjector<FSPanelBlockList> t_panel_blocked_list("fs_panel_block_list_sidetray");

//
// Constants
//
const std::string BLOCKED_PARAM_NAME = "blocked_to_select";

//-----------------------------------------------------------------------------
// FSPanelBlockedList()
//-----------------------------------------------------------------------------

FSPanelBlockList::FSPanelBlockList()
:   LLPanel(),
    mFilterSubString(LLStringUtil::null),
    mFilterSubStringOrig(LLStringUtil::null)
{
    mCommitCallbackRegistrar.add("Block.Action",    boost::bind(&FSPanelBlockList::onCustomAction,  this, _2));
    mEnableCallbackRegistrar.add("Block.Check",     boost::bind(&FSPanelBlockList::isActionChecked, this, _2));
    mEnableCallbackRegistrar.add("Block.Enable",    boost::bind(&FSPanelBlockList::isActionEnabled, this, _2));
    mEnableCallbackRegistrar.add("Block.Visible",   boost::bind(&FSPanelBlockList::isActionVisible, this, _2));
}

void FSPanelBlockList::removePicker()
{
    if (mAvatarPicker.get())
    {
        mAvatarPicker.get()->closeFloater();
    }
    if (mObjectPicker.get())
    {
        mObjectPicker.get()->closeFloater();
    }
}

FSPanelBlockList::~FSPanelBlockList()
{
    LLMuteList::getInstance()->removeObserver(this);
}

bool FSPanelBlockList::postBuild()
{
    mBlockedList = getChild<FSScrollListCtrl>("block_list");
    mBlockedList->setCommitOnSelectionChange(true);
    mBlockedList->setCommitCallback(boost::bind(&FSPanelBlockList::onSelectionChanged, this));
    mBlockedList->setDoubleClickCallback(boost::bind(&FSPanelBlockList::showProfile, this));
    mBlockedList->setSearchColumn(mBlockedList->getColumn("item_name")->mIndex);
    mBlockedList->setContextMenu(&gFSBlockListMenu);
    mBlockedList->setFilterColumn(COL_NAME);
    mBlockedList->setSortChangedCallback(boost::bind(&FSPanelBlockList::onSortChanged, this));

    getChild<LLButton>("unblock_btn")->setCommitCallback(boost::bind(&FSPanelBlockList::removeMutes, this));
    getChild<LLFilterEditor>("blocked_filter_input")->setCommitCallback(boost::bind(&FSPanelBlockList::onFilterEdit, this, _2));

    LLMuteList::getInstance()->addObserver(this);

    refreshBlockedList();

    setVisibleCallback(boost::bind(&FSPanelBlockList::removePicker, this));

    updateButtons();

    return LLPanel::postBuild();
}

void FSPanelBlockList::onOpen(const LLSD& key)
{
    if (key.has(BLOCKED_PARAM_NAME) && key[BLOCKED_PARAM_NAME].asUUID().notNull())
    {
        selectBlocked(key[BLOCKED_PARAM_NAME].asUUID());
    }
}

bool FSPanelBlockList::handleKeyHere(KEY key, MASK mask)
{
    if (FSCommon::isFilterEditorKeyCombo(key, mask))
    {
        getChild<LLFilterEditor>("blocked_filter_input")->setFocus(true);
        return true;
    }

    return LLPanel::handleKeyHere(key, mask);
}

void FSPanelBlockList::selectBlocked(const LLUUID& mute_id)
{
    mBlockedList->deselectAllItems();
    for (auto item : mBlockedList->getAllData())
    {
        if (item->getColumn(3)->getValue().asUUID() == mute_id)
        {
            item->setSelected(true);
            break;
        }
    }

    mBlockedList->scrollToShowSelected();
}

void FSPanelBlockList::showPanelAndSelect(const LLUUID& idToSelect)
{
    if (gSavedSettings.getBOOL("FSDisableBlockListAutoOpen"))
    {
        return;
    }

    if (gSavedSettings.getBOOL("FSUseStandaloneBlocklistFloater"))
    {
        LLFloaterReg::showInstance("fs_blocklist", LLSD().with(BLOCKED_PARAM_NAME, idToSelect));
    }
    else
    {
        LLFloaterSidePanelContainer::showPanel("people", "panel_people",
            LLSD().with("people_panel_tab_name", "blocked_panel").with(BLOCKED_PARAM_NAME, idToSelect));
    }
}


//////////////////////////////////////////////////////////////////////////
// Private Section
//////////////////////////////////////////////////////////////////////////
void FSPanelBlockList::refreshBlockedList()
{
    mBlockedList->deleteAllItems();

    for (const auto& mute : LLMuteList::getInstance()->getMutes())
    {
        LLScrollListItem::Params item_p;
        item_p.enabled(true);
        item_p.value(LLUUID::generateNewID()); // can't link UUID of blocked item directly because of mutes by name
        item_p.columns.add().column("item_name").value(mute.mName);
        item_p.columns.add().column("item_type").value(mute.getDisplayType());
        item_p.columns.add().column("item_mute_type").value(mute.mType);
        item_p.columns.add().column("item_mute_uuid").value(mute.mID);

        mBlockedList->addRow(item_p, ADD_BOTTOM);
    }
    mBlockedList->refreshLineHeight();

    LLUICtrl* block_limit = getChild<LLUICtrl>("block_limit");
    block_limit->setTextArg("[COUNT]", llformat("%d", LLMuteList::getInstance()->getMutes().size()));
    block_limit->setTextArg("[LIMIT]", llformat("%d", gSavedSettings.getS32("MuteListLimit")));
}

void FSPanelBlockList::updateButtons()
{
    bool has_selection = mBlockedList->getNumSelected() > 0;
    getChildView("blocked_gear_btn")->setEnabled(has_selection);
    getChildView("unblock_btn")->setEnabled(has_selection);
}

void FSPanelBlockList::removeMutes()
{
    S32 scroll_pos = mBlockedList->getScrollPos();
    S32 last_selected = mBlockedList->getFirstSelectedIndex();

    // Remove observer before bulk operation or it would refresh the
    // list after each removal, sending us straight into a crash!
    LLMuteList::getInstance()->removeObserver(this);

    for (auto item : mBlockedList->getAllSelected())
    {
        std::string name = item->getColumn(COL_NAME)->getValue().asString();
        LLUUID id = item->getColumn(COL_UUID)->getValue().asUUID();
        LLMute mute(id, name);
        LLMuteList::getInstance()->remove(mute);
    }

    LLMuteList::getInstance()->addObserver(this);
    refreshBlockedList();

    if (last_selected == mBlockedList->getItemCount())
    {
        // we were on the last item, so select the last item again
        mBlockedList->selectNthItem(last_selected - 1);
    }
    else
    {
        // else select the item after the last item previously selected
        mBlockedList->selectNthItem(last_selected);
    }
    onSelectionChanged();
    mBlockedList->setScrollPos(scroll_pos);
}

void FSPanelBlockList::onCustomAction(const LLSD& userdata)
{
    const std::string command_name = userdata.asString();

    if ("block_obj_by_name" == command_name)
    {
        blockObjectByName();
    }
    else if ("block_res_by_name" == command_name)
    {
        blockResidentByName();
    }
    else if ("sort_by_name" == command_name)
    {
        mBlockedList->sortByColumn("item_name", true);
        gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_NAME_ASC);
    }
    else if ("sort_by_type" == command_name)
    {
        mBlockedList->sortByColumn("item_type", true);
        gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_TYPE_ASC);
    }
    else if ("sort_by_name_desc" == command_name)
    {
        mBlockedList->sortByColumn("item_name", false);
        gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_NAME_DESC);
    }
    else if ("sort_by_type_desc" == command_name)
    {
        mBlockedList->sortByColumn("item_type", false);
        gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_TYPE_DESC);
    }
    else if ("unblock_item" == command_name)
    {
        removeMutes();
    }
    else if ("profile_item" == command_name)
    {
        showProfile();
    }
    else if ("block_voice" == command_name)
    {
        toggleMute(LLMute::flagVoiceChat);
    }
    else if ("block_text" == command_name)
    {
        toggleMute(LLMute::flagTextChat);
    }
    else if ("block_particles" == command_name)
    {
        toggleMute(LLMute::flagParticles);
    }
    else if ("block_obj_sounds" == command_name)
    {
        toggleMute(LLMute::flagObjectSounds);
    }
}

bool FSPanelBlockList::isActionChecked(const LLSD& userdata)
{
    std::string command_name = userdata.asString();
    U32 sort_order = gSavedSettings.getU32("BlockPeopleSortOrder");

    if ("sort_by_name" == command_name)
    {
        return E_SORT_BY_NAME_ASC == sort_order;
    }
    else if ("sort_by_type" == command_name)
    {
        return E_SORT_BY_TYPE_ASC == sort_order;
    }
    else if ("sort_by_name_desc" == command_name)
    {
        return E_SORT_BY_NAME_DESC == sort_order;
    }
    else if ("sort_by_type_desc" == command_name)
    {
        return E_SORT_BY_TYPE_DESC == sort_order;
    }
    else
    {
        if (!mBlockedList->getFirstSelected())
        {
            return false;
        }

        LLUUID blocked_id = mBlockedList->getFirstSelected()->getColumn(COL_UUID)->getValue().asUUID();

        if ("block_voice" == command_name)
        {
            return LLMuteList::getInstance()->isMuted(blocked_id, LLMute::flagVoiceChat);
        }
        else if ("block_text" == command_name)
        {
            return LLMuteList::getInstance()->isMuted(blocked_id, LLMute::flagTextChat);
        }
        else if ("block_particles" == command_name)
        {
            return LLMuteList::getInstance()->isMuted(blocked_id, LLMute::flagParticles);
        }
        else if ("block_obj_sounds" == command_name)
        {
            return LLMuteList::getInstance()->isMuted(blocked_id, LLMute::flagObjectSounds);
        }
    }

    return false;
}

bool FSPanelBlockList::isActionEnabled(const LLSD& userdata)
{
    std::string command_name = userdata.asString();
    if ("unblock_item" == command_name)
    {
        return (mBlockedList->getNumSelected() > 0);
    }
    else if ("profile_item" == command_name
        || "block_voice" == command_name
        || "block_text" == command_name
        || "block_particles" == command_name
        || "block_obj_sounds" == command_name)
    {
        return (mBlockedList->getNumSelected() == 1 &&
                (LLMute::EType)mBlockedList->getFirstSelected()->getColumn(COL_TYPE)->getValue().asInteger() == LLMute::AGENT);
    }

    return false;
}

bool FSPanelBlockList::isActionVisible(const LLSD& userdata)
{
    const std::string command_name = userdata.asString();

    if ("block_voice" == command_name
        || "block_text" == command_name
        || "block_particles" == command_name
        || "block_obj_sounds" == command_name)
    {
        return mBlockedList->getNumSelected() == 1 && (LLMute::AGENT == (LLMute::EType)mBlockedList->getFirstSelected()->getColumn(COL_TYPE)->getValue().asInteger());
    }

    return false;
}

void FSPanelBlockList::toggleMute(U32 flags)
{
    LLScrollListItem* item = mBlockedList->getFirstSelected();
    if (!item)
    {
        return;
    }

    LLMute mute(item->getColumn(COL_UUID)->getValue().asUUID(), item->getColumn(COL_NAME)->getValue().asString(), (LLMute::EType)item->getColumn(COL_TYPE)->getValue().asInteger());

    if (!LLMuteList::getInstance()->isMuted(item->getColumn(COL_UUID)->getValue().asUUID(), flags))
    {
        LLMuteList::getInstance()->add(mute, flags);
    }
    else
    {
        LLMuteList::getInstance()->remove(mute, flags);
    }
}

void FSPanelBlockList::blockResidentByName()
{
    const bool allow_multiple = false;
    const bool close_on_select = true;

    LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&FSPanelBlockList::callbackBlockPicked, this, _1, _2), allow_multiple, close_on_select);
    LLFloater* parent = dynamic_cast<LLFloater*>(getParent());
    if (parent)
    {
        parent->addDependentFloater(picker);
    }
    mAvatarPicker = picker->getHandle();
}

void FSPanelBlockList::blockObjectByName()
{
    LLFloaterGetBlockedObjectName* picker = LLFloaterGetBlockedObjectName::show(boost::bind(&FSPanelBlockList::callbackBlockByName, this, _1));
    LLFloater* parent = dynamic_cast<LLFloater*>(getParent());
    if (parent)
    {
        parent->addDependentFloater(picker);
    }
    mObjectPicker = picker->getHandle();
}

void FSPanelBlockList::onSelectionChanged()
{
    updateButtons();
}

void FSPanelBlockList::showProfile()
{
    if (mBlockedList->getNumSelected() == 1 &&
        (LLMute::EType)mBlockedList->getFirstSelected()->getColumn(COL_TYPE)->getValue().asInteger() == LLMute::AGENT)
    {
        LLAvatarActions::showProfile(mBlockedList->getFirstSelected()->getColumn(COL_UUID)->getValue().asUUID());
    }
}

void FSPanelBlockList::callbackBlockPicked(const uuid_vec_t& ids, const std::vector<LLAvatarName> names)
{
    if (names.empty() || ids.empty()) return;
    LLMute mute(ids[0], names[0].getUserName(), LLMute::AGENT);
    LLMuteList::getInstance()->add(mute);
    showPanelAndSelect(mute.mID);
}

void FSPanelBlockList::callbackBlockByName(const std::string& text)
{
    if (text.empty()) return;

    LLMute mute(LLUUID::null, text, LLMute::BY_NAME);
    bool success = LLMuteList::getInstance()->add(mute);
    if (!success)
    {
        LLNotificationsUtil::add("MuteByNameFailed");
    }
    else
    {
        mBlockedList->selectItemByLabel(text);
        mBlockedList->scrollToShowSelected();
    }
}

void FSPanelBlockList::onFilterEdit(std::string search_string)
{
    mFilterSubStringOrig = search_string;
    LLStringUtil::trimHead(mFilterSubStringOrig);
    // Searches are case-insensitive
    std::string search_upper = mFilterSubStringOrig;
    LLStringUtil::toUpper(search_upper);

    if (mFilterSubString == search_upper)
    {
        return;
    }

    mFilterSubString = search_upper;

    // Apply new filter.
    mBlockedList->setFilterString(mFilterSubStringOrig);
}

void FSPanelBlockList::onSortChanged()
{
    bool ascending = mBlockedList->getSortAscending();
    std::string column = mBlockedList->getSortColumnName();

    if (column == "item_name")
    {
        if (ascending)
        {
            gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_NAME_ASC);
        }
        else
        {
            gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_NAME_DESC);
        }
    }
    else if (column == "item_type")
    {
        if (ascending)
        {
            gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_TYPE_ASC);
        }
        else
        {
            gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_TYPE_DESC);
        }
    }
}

//EOF