/*
 * @file fspanelcontactsets.cpp
 * @brief Contact sets UI
 *
 * (C) 2013 Cinder Roxley @ Second Life <cinder.roxley@phoenixviewer.com>
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include "llviewerprecompiledheaders.h"

#include "fspanelcontactsets.h"

#include "fsfloatercontacts.h"
#include "fsfloatercontactsetconfiguration.h"
#include "lggcontactsets.h"
#include "llavataractions.h"
#include "llcallingcard.h"
#include "llfloateravatarpicker.h"
#include "llfloaterreg.h"
#include "llnotificationsutil.h"
#include "llpanelpeoplemenus.h"
#include "llslurl.h"

constexpr U32 MAX_SELECTIONS = 20;
static LLPanelInjector<FSPanelContactSets> t_panel_contact_sets("contact_sets_panel");

FSPanelContactSets::FSPanelContactSets() : LLPanel()
{
    mContactSetChangedConnection = LGGContactSets::getInstance()->setContactSetChangeCallback(boost::bind(&FSPanelContactSets::updateSets, this, _1));
}

FSPanelContactSets::~FSPanelContactSets()
{
    if (mContactSetChangedConnection.connected())
    {
        mContactSetChangedConnection.disconnect();
    }
}

bool FSPanelContactSets::postBuild()
{
    childSetAction("add_set_btn",           boost::bind(&FSPanelContactSets::onClickAddSet,             this));
    childSetAction("remove_set_btn",        boost::bind(&FSPanelContactSets::onClickRemoveSet,          this));
    childSetAction("config_btn",            boost::bind(&FSPanelContactSets::onClickConfigureSet,       this, _1));
    childSetAction("add_btn",               boost::bind(&FSPanelContactSets::onClickAddAvatar,          this, _1));
    childSetAction("remove_btn",            boost::bind(&FSPanelContactSets::onClickRemoveAvatar,       this));
    childSetAction("profile_btn",           boost::bind(&FSPanelContactSets::onClickOpenProfile,        this));
    childSetAction("start_im_btn",          boost::bind(&FSPanelContactSets::onClickStartIM,            this));
    childSetAction("offer_teleport_btn",    boost::bind(&FSPanelContactSets::onClickOfferTeleport,      this));
    childSetAction("set_pseudonym_btn",     boost::bind(&FSPanelContactSets::onClickSetPseudonym,       this));
    childSetAction("remove_pseudonym_btn",  boost::bind(&FSPanelContactSets::onClickRemovePseudonym,    this));
    childSetAction("remove_displayname_btn", boost::bind(&FSPanelContactSets::onClickRemoveDisplayName, this));

    mContactSetCombo = getChild<LLComboBox>("combo_sets");
    mContactSetCombo->setCommitCallback(boost::bind(&FSPanelContactSets::refreshSetList, this));
    refreshContactSets();

    mAvatarList = getChild<LLAvatarList>("contact_list");
    mAvatarList->setCommitCallback(boost::bind(&FSPanelContactSets::onSelectAvatar, this));
    mAvatarList->setItemDoubleClickCallback(boost::bind(&FSPanelContactSets::onClickStartIM, this));
    mAvatarList->setNoItemsCommentText(getString("empty_list"));
    mAvatarList->setContextMenu(&LLPanelPeopleMenus::gPeopleContextMenu);
    generateAvatarList(mContactSetCombo->getValue().asString());

    return true;
}

void FSPanelContactSets::onSelectAvatar()
{
    mAvatarSelections.clear();
    mAvatarList->getSelectedUUIDs(mAvatarSelections);
    resetControls();
}

void FSPanelContactSets::generateAvatarList(const std::string& contact_set)
{
    if (!mAvatarList)
    {
        return;
    }

    mAvatarList->clear();
    mAvatarList->setDirty(true, true);

    uuid_vec_t& avatars = mAvatarList->getIDs();

    if (contact_set == CS_SET_ALL_SETS)
    {
        avatars = LGGContactSets::getInstance()->getListOfNonFriends();

        // "All sets" includes buddies
        LLAvatarTracker::buddy_map_t all_buddies;
        LLAvatarTracker::instance().copyBuddyList(all_buddies);
        for (LLAvatarTracker::buddy_map_t::const_iterator buddy = all_buddies.begin();
             buddy != all_buddies.end();
             ++buddy)
        {
            avatars.push_back(buddy->first);
        }
    }
    else if (contact_set == CS_SET_NO_SETS)
    {
        LLAvatarTracker::buddy_map_t all_buddies;
        LLAvatarTracker::instance().copyBuddyList(all_buddies);
        for (LLAvatarTracker::buddy_map_t::const_iterator buddy = all_buddies.begin();
             buddy != all_buddies.end();
             ++buddy)
        {
            // Only show our buddies who aren't in a set, by request.
            if (!LGGContactSets::getInstance()->isFriendInAnySet(buddy->first))
                avatars.push_back(buddy->first);
        }
    }
    else if (contact_set == CS_SET_PSEUDONYM)
    {
        avatars = LGGContactSets::getInstance()->getListOfPseudonymAvs();
    }
    else if (contact_set == CS_SET_EXTRA_AVS)
    {
        avatars = LGGContactSets::getInstance()->getListOfNonFriends();
    }
    else if (!LGGContactSets::getInstance()->isInternalSetName(contact_set))
    {
        if (LGGContactSets::ContactSet* group = LGGContactSets::getInstance()->getContactSet(contact_set); group)// UGLY!
        {
            for (auto const& id : group->mFriends)
            {
                avatars.push_back(id);
            }
        }
    }
    getChild<LLTextBox>("member_count")->setTextArg("[COUNT]", llformat("%d", avatars.size()));
    mAvatarList->setDirty();
    resetControls();
}

void FSPanelContactSets::resetControls()
{
    bool mutable_set = (!LGGContactSets::getInstance()->isInternalSetName(mContactSetCombo->getValue().asString()));
    bool has_selection = (!mAvatarSelections.empty()
                          // Set a maximum number of avatars users are allowed to operate on
                          && mAvatarSelections.size() <= MAX_SELECTIONS);
    childSetEnabled("remove_set_btn", mutable_set);
    childSetEnabled("config_btn", mutable_set);
    childSetEnabled("add_btn", mutable_set);
    childSetEnabled("remove_btn", (mutable_set && has_selection));
    childSetEnabled("profile_btn", has_selection);
    childSetEnabled("start_im_btn", has_selection);
    childSetEnabled("offer_teleport_btn", has_selection);   // Should probably check if they're online...
    childSetEnabled("set_pseudonym_btn", (mAvatarSelections.size() == 1));
    childSetEnabled("remove_pseudonym_btn", (has_selection
                                             && LGGContactSets::getInstance()->hasPseudonym(mAvatarSelections)));
    childSetEnabled("remove_displayname_btn", (has_selection
                                               && !LGGContactSets::getInstance()->hasDisplayNameRemoved(mAvatarSelections)));
}

void FSPanelContactSets::updateSets(LGGContactSets::EContactSetUpdate type)
{
    switch (type)
    {
        case LGGContactSets::UPDATED_LISTS:
            refreshContactSets();
        case LGGContactSets::UPDATED_MEMBERS:
            refreshSetList();
            break;
    }
}

void FSPanelContactSets::refreshContactSets()
{
    if (!mContactSetCombo)
    {
        return;
    }

    mContactSetCombo->clearRows();
    std::vector<std::string> contact_sets = LGGContactSets::getInstance()->getAllContactSets();
    if (!contact_sets.empty())
    {
        for (auto const& set_name : contact_sets)
        {
            mContactSetCombo->add(set_name);
        }
        mContactSetCombo->addSeparator(ADD_BOTTOM);
    }
    mContactSetCombo->add(getString("all_sets"), LLSD(CS_SET_ALL_SETS), ADD_BOTTOM);
    mContactSetCombo->add(getString("no_sets"), LLSD(CS_SET_NO_SETS), ADD_BOTTOM);
    mContactSetCombo->add(getString("pseudonyms"), LLSD(CS_SET_PSEUDONYM), ADD_BOTTOM);
    mContactSetCombo->add(getString("non_friends"), LLSD(CS_SET_EXTRA_AVS), ADD_BOTTOM);
    resetControls();
}

void FSPanelContactSets::refreshSetList()
{
    mAvatarList->refreshNames();
    generateAvatarList(mContactSetCombo->getValue().asString());
    resetControls();
}

void FSPanelContactSets::onClickAddAvatar(LLUICtrl* ctrl)
{
    LLFloater* root_floater = gFloaterView->getParentFloater(this);
    LLFloater* avatar_picker = LLFloaterAvatarPicker::show(boost::bind(&FSPanelContactSets::handlePickerCallback, this, _1, mContactSetCombo->getValue().asString()),
                                                           true, true, true, root_floater->getName(), ctrl);
    if (root_floater && avatar_picker)
    {
        root_floater->addDependentFloater(avatar_picker);
    }
}

void FSPanelContactSets::handlePickerCallback(const uuid_vec_t& ids, const std::string& set)
{
    if (ids.empty() || !mContactSetCombo)
    {
        return;
    }

    LGGContactSets::instance().addToSet(ids, set);
}

void FSPanelContactSets::onClickRemoveAvatar()
{
    if (!(mAvatarList && mContactSetCombo))
    {
        return;
    }

    LLSD payload, args;
    std::string set = mContactSetCombo->getValue().asString();
    auto selected_size = mAvatarSelections.size();
    args["SET_NAME"] = set;
    args["TARGET"] = (selected_size > 1 ? llformat("%d", selected_size) : LLSLURL("agent", mAvatarSelections.front(), "about").getSLURLString());
    payload["contact_set"] = set;
    for (auto const& id : mAvatarSelections)
    {
        payload["ids"].append(id);
    }
    LLNotificationsUtil::add((selected_size > 1 ? "RemoveContactsFromSet" : "RemoveContactFromSet"), args, payload, &LGGContactSets::handleRemoveAvatarFromSetCallback);
}

void FSPanelContactSets::onClickAddSet()
{
    LLNotificationsUtil::add("AddNewContactSet", LLSD(), LLSD(), &LGGContactSets::handleAddContactSetCallback);
}

void FSPanelContactSets::onClickRemoveSet()
{
    LLSD payload, args;
    std::string set = mContactSetCombo->getValue().asString();
    args["SET_NAME"] = set;
    payload["contact_set"] = set;
    LLNotificationsUtil::add("RemoveContactSet", args, payload, &LGGContactSets::handleRemoveContactSetCallback);
}

void FSPanelContactSets::onClickConfigureSet(LLUICtrl* ctrl)
{
    LLFloater* root_floater = gFloaterView->getParentFloater(this);
    FSFloaterContactSetConfiguration* config_floater = LLFloaterReg::showTypedInstance<FSFloaterContactSetConfiguration>("fs_contact_set_config", LLSD(mContactSetCombo->getValue().asString()));
    config_floater->setFrustumOrigin(ctrl);
    if (root_floater && config_floater)
    {
        root_floater->addDependentFloater(config_floater);
    }
}

void FSPanelContactSets::onClickOpenProfile()
{
    for (auto const& id : mAvatarSelections)
    {
        LLAvatarActions::showProfile(id);
    }
}

void FSPanelContactSets::onClickStartIM()
{
    if ( mAvatarSelections.size() == 1 )
    {
        LLAvatarActions::startIM(mAvatarSelections[0]);
    }
    else if ( mAvatarSelections.size() > 1 )
    {
        LLAvatarActions::startConference(mAvatarSelections);
    }
}

void FSPanelContactSets::onClickOfferTeleport()
{
    LLAvatarActions::offerTeleport(mAvatarSelections);
}

void FSPanelContactSets::onClickSetPseudonym()
{
    LLSD payload, args;
    args["AVATAR"] = LLSLURL("agent", mAvatarSelections.front(), "about").getSLURLString();
    payload["id"] = mAvatarSelections.front();
    LLNotificationsUtil::add("SetAvatarPseudonym", args, payload, &LGGContactSets::handleSetAvatarPseudonymCallback);
}

void FSPanelContactSets::onClickRemovePseudonym()
{
    LGGContactSets& contact_sets = LGGContactSets::instance();
    for (auto const& id : mAvatarSelections)
    {
        if (contact_sets.hasPseudonym(id))
        {
            contact_sets.clearPseudonym(id);
        }
    }
}

void FSPanelContactSets::onClickRemoveDisplayName()
{
    LGGContactSets& contact_sets = LGGContactSets::instance();
    for (auto const& id : mAvatarSelections)
    {
        if (!contact_sets.hasDisplayNameRemoved(id))
        {
            contact_sets.removeDisplayName(id);
        }
    }
}