/**
 * @file llnotificationsconsole.cpp
 * @brief Debugging console for unified notifications.
 *
 * $LicenseInfo:firstyear=2003&license=viewerlgpl$
 * 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 "llfloaternotificationsconsole.h"
#include "llnotifications.h"
#include "lluictrlfactory.h"
#include "llbutton.h"
#include "llscrolllistctrl.h"
#include "llscrolllistitem.h"
#include "llpanel.h"
#include "llcombobox.h"

const S32 NOTIFICATION_PANEL_HEADER_HEIGHT = 20;
const S32 HEADER_PADDING = 38;

class LLNotificationChannelPanel : public LLLayoutPanel
{
public:
    LLNotificationChannelPanel(const Params& p);
    ~LLNotificationChannelPanel();
    bool postBuild();

private:
    bool update(const LLSD& payload);
    static void toggleClick(void* user_data);
    static void onClickNotification(void* user_data);
    LLNotificationChannelPtr mChannelPtr;
};

LLNotificationChannelPanel::LLNotificationChannelPanel(const LLNotificationChannelPanel::Params& p)
:   LLLayoutPanel(p)
{
    mChannelPtr = LLNotifications::instance().getChannel(p.name);
    buildFromFile( "panel_notifications_channel.xml");
}

LLNotificationChannelPanel::~LLNotificationChannelPanel()
{
    // Userdata for all records is a LLNotification* we need to clean up
    std::vector<LLScrollListItem*> data_list = getChild<LLScrollListCtrl>("notifications_list")->getAllData();
    std::vector<LLScrollListItem*>::iterator data_itor;
    for (data_itor = data_list.begin(); data_itor != data_list.end(); ++data_itor)
    {
        LLScrollListItem* item = *data_itor;
        LLNotification* notification = (LLNotification*)item->getUserdata();
        delete notification;
        notification = NULL;
    }
}

bool LLNotificationChannelPanel::postBuild()
{
    LLButton* header_button = getChild<LLButton>("header");
    header_button->setLabel(mChannelPtr->getName());
    header_button->setClickedCallback(toggleClick, this);

    mChannelPtr->connectChanged(boost::bind(&LLNotificationChannelPanel::update, this, _1));

    LLScrollListCtrl* scroll = getChild<LLScrollListCtrl>("notifications_list");
    scroll->setDoubleClickCallback(onClickNotification, this);
    scroll->setRect(LLRect( getRect().mLeft, getRect().mTop, getRect().mRight, 0));
    return true;
}

//static
void LLNotificationChannelPanel::toggleClick(void *user_data)
{
    LLNotificationChannelPanel* self = (LLNotificationChannelPanel*)user_data;
    if (!self) return;

    LLButton* header_button = self->getChild<LLButton>("header");

    LLLayoutStack* stack = dynamic_cast<LLLayoutStack*>(self->getParent());
    if (stack)
    {
        stack->collapsePanel(self, header_button->getToggleState());
    }

    // turn off tab stop for collapsed panel
    self->getChild<LLScrollListCtrl>("notifications_list")->setTabStop(!header_button->getToggleState());
    self->getChild<LLScrollListCtrl>("notifications_list")->setVisible(!header_button->getToggleState());
}

/*static*/
void LLNotificationChannelPanel::onClickNotification(void* user_data)
{
    LLNotificationChannelPanel* self = (LLNotificationChannelPanel*)user_data;
    if (!self) return;
    LLScrollListItem* firstselected = self->getChild<LLScrollListCtrl>("notifications_list")->getFirstSelected();
    llassert(firstselected);
    if (firstselected)
    {
        void* data = firstselected->getUserdata();
        if (data)
        {
            gFloaterView->getParentFloater(self)->addDependentFloater(new LLFloaterNotification((LLNotification*)data), true);
        }
    }
}

bool LLNotificationChannelPanel::update(const LLSD& payload)
{
    LLNotificationPtr notification = LLNotifications::instance().find(payload["id"].asUUID());
    if (notification)
    {
        LLSD row;
        row["columns"][0]["value"] = notification->getName();
        row["columns"][0]["column"] = "name";

        row["columns"][1]["value"] = notification->getMessage();
        row["columns"][1]["column"] = "content";

        row["columns"][2]["value"] = notification->getDate();
        row["columns"][2]["column"] = "date";
        row["columns"][2]["type"] = "date";

        LLScrollListItem* sli = getChild<LLScrollListCtrl>("notifications_list")->addElement(row);
        sli->setUserdata(new LLNotification(notification->asLLSD()));
    }

    return false;
}

//
// LLFloaterNotificationConsole
//
LLFloaterNotificationConsole::LLFloaterNotificationConsole(const LLSD& key)
: LLFloater(key)
{
    mCommitCallbackRegistrar.add("ClickAdd",     boost::bind(&LLFloaterNotificationConsole::onClickAdd, this));
}

bool LLFloaterNotificationConsole::postBuild()
{
    // these are in the order of processing
    addChannel("Unexpired");
    addChannel("Ignore");
    addChannel("VisibilityRules");
    addChannel("Visible", true);
    // all the ones below attach to the Visible channel
    addChannel("Persistent");
    addChannel("Alerts");
    addChannel("AlertModal");
    addChannel("Group Notifications");
    addChannel("Notifications");
    addChannel("NotificationTips");

//  getChild<LLButton>("add_notification")->setClickedCallback(onClickAdd, this);

    LLComboBox* notifications = getChild<LLComboBox>("notification_types");
    LLNotifications::TemplateNames names = LLNotifications::instance().getTemplateNames();
    for (LLNotifications::TemplateNames::iterator template_it = names.begin();
        template_it != names.end();
        ++template_it)
    {
        notifications->add(*template_it);
    }
    notifications->sortByName();

    return true;
}

void LLFloaterNotificationConsole::addChannel(const std::string& name, bool open)
{
    LLLayoutStack& stack = getChildRef<LLLayoutStack>("notification_channels");
    LLNotificationChannelPanel::Params p;
    p.min_dim = NOTIFICATION_PANEL_HEADER_HEIGHT;
    p.auto_resize = true;
    p.user_resize = true;
    p.name = name;
    LLNotificationChannelPanel* panelp = new LLNotificationChannelPanel(p);
    stack.addPanel(panelp, LLLayoutStack::ANIMATE);

    LLButton& header_button = panelp->getChildRef<LLButton>("header");
    header_button.setToggleState(!open);
    stack.collapsePanel(panelp, !open);

    updateResizeLimits();
}

void LLFloaterNotificationConsole::removeChannel(const std::string& name)
{
    LLPanel* panelp = getChild<LLPanel>(name);
    getChildRef<LLView>("notification_channels").removeChild(panelp);
    delete panelp;

    updateResizeLimits();
}

//static
void LLFloaterNotificationConsole::updateResizeLimits()
{
    const LLFloater::Params& floater_params = LLFloater::getDefaultParams();
    S32 floater_header_size = floater_params.header_height;

    LLLayoutStack& stack = getChildRef<LLLayoutStack>("notification_channels");
    setResizeLimits(getMinWidth(), floater_header_size + HEADER_PADDING + ((NOTIFICATION_PANEL_HEADER_HEIGHT + 3) * stack.getNumPanels()));
}

void LLFloaterNotificationConsole::onClickAdd()
{
    std::string message_name = getChild<LLComboBox>("notification_types")->getValue().asString();
    if (!message_name.empty())
    {
        LLNotifications::instance().add(message_name, LLSD(), LLSD());
    }
}


//=============== LLFloaterNotification ================

LLFloaterNotification::LLFloaterNotification(LLNotification* note)
:   LLFloater(LLSD()),
    mNote(note)
{
    buildFromFile("floater_notification.xml");
}

bool LLFloaterNotification::postBuild()
{
    setTitle(mNote->getName());
    getChild<LLUICtrl>("payload")->setValue(mNote->getMessage());

    LLComboBox* responses_combo = getChild<LLComboBox>("response");
    LLCtrlListInterface* response_list = responses_combo->getListInterface();
    LLNotificationFormPtr form(mNote->getForm());
    if(!form)
    {
        return true;
    }

    responses_combo->setCommitCallback(onCommitResponse, this);

    LLSD form_sd = form->asLLSD();

    for (LLSD::array_const_iterator form_item = form_sd.beginArray(); form_item != form_sd.endArray(); ++form_item)
    {
        if ( (*form_item)["type"].asString() != "button") continue;
        std::string text = (*form_item)["text"].asString();
        response_list->addSimpleElement(text);
    }

    return true;
}

void LLFloaterNotification::respond()
{
    LLComboBox* responses_combo = getChild<LLComboBox>("response");
    LLCtrlListInterface* response_list = responses_combo->getListInterface();
    const std::string& trigger = response_list->getSelectedValue().asString();
    //LL_INFOS() << trigger << LL_ENDL;

    LLSD response = mNote->getResponseTemplate();
    response[trigger] = true;
    mNote->respond(response);
}