//
// Created by zpf on 23-2-2.
//

#include "notification-client.h"
#include "notification-client-private.h"
#include <QDBusConnection>
#include "notificationclientadaptor.h"

using namespace UkuiNotification;

NotificationClientPrivate::NotificationClientPrivate(NotificationClient *q, QObject *parent) : QObject(parent), q(q)
{
}

NotificationClientPrivate::~NotificationClientPrivate()
{
    if(m_notificationsInterface) {
        m_notificationsInterface->call(QDBus::NoBlock, QStringLiteral("UnRegisterClient"));
        delete m_notificationsInterface;
        m_notificationsInterface = nullptr;
    }
}

bool NotificationClientPrivate::init()
{
    new NotificationClientAdaptor(this);
    QDBusConnection conn = QDBusConnection::sessionBus();

    if(!conn.registerObject(clientServicePath(), clientServiceInterface(), this)) {
        qWarning() << "Failed to register NotificationClient DBus object!" << conn.lastError();
        return false;
    }
    QDBusServiceWatcher *watcher = new QDBusServiceWatcher(QStringLiteral("org.freedesktop.Notifications"),
                                                           conn,
                                                            QDBusServiceWatcher::WatchForOwnerChange,
                                                           this);
    connect(watcher, &QDBusServiceWatcher::serviceOwnerChanged, this, [](const QString &service, const QString &oldOwner, const QString &newOwner){
        qDebug() << "serviceOwnerChanged" << service << oldOwner << newOwner;
    });

    return registerClient();
}

bool NotificationClientPrivate::registerClient()
{
    QDBusConnection conn = QDBusConnection::sessionBus();
    m_notificationsInterface = new OrgFreedesktopNotificationsInterface(QStringLiteral("org.freedesktop.Notifications"),
                                                                        QStringLiteral("/org/freedesktop/Notifications"),
                                                                        conn);
    if(!m_notificationsInterface->isValid()) {
        qWarning() << "Failed to creat dbus interface for notification server!" << conn.lastError();
        return false;
    }
    connect(m_notificationsInterface, &OrgFreedesktopNotificationsInterface::NotificationClosed,
            this, &NotificationClientPrivate::notificationClosed);
    if(!m_serverInterface) {
        m_serverInterface = new QDBusInterface(QStringLiteral("org.freedesktop.Notifications"),
                                               QStringLiteral("/org/freedesktop/Notifications"),
                                               QStringLiteral("org.ukui.NotificationServer"),
                                               conn,
                                               this);
        if(!m_serverInterface->isValid()) {
            qWarning() << "Failed to create notification server interface! " << conn.lastError();
            return false;
        }
    }

    QDBusMessage reply = m_serverInterface->call(QStringLiteral("RegisterClient"));
    if (reply.type() == QDBusMessage::ErrorMessage || reply.type() == QDBusMessage::InvalidMessage) {
        qWarning() << "Failed to call RegisterClient!" << conn.lastError() << reply.type();
        return false;
    }
    return true;
}

void NotificationClientPrivate::unRegisterClient()
{
    disconnect(m_notificationsInterface, &OrgFreedesktopNotificationsInterface::NotificationClosed,
               this, &NotificationClientPrivate::notificationClosed);
    if(m_notificationsInterface) {
        delete m_notificationsInterface;
        m_notificationsInterface = nullptr;
    }
}

QString NotificationClientPrivate::clientServicePath()
{
    return QStringLiteral("/NotificationClient");
}

QString NotificationClientPrivate::clientServiceInterface()
{
    return QStringLiteral("org.ukui.NotificationClient");
}

void NotificationClientPrivate::Notify(const QString &app_name, uint replaces_id, const QString &app_icon,
                                       const QString &summary, const QString &body, const QStringList &actions,
                                       const QVariantMap &hints, int timeout)
{
    PopupNotification notification(replaces_id);
    notification.setSummary(summary);
    notification.setBody(body);
    notification.setApplicationName(app_name);
    notification.setAplicationIconName(app_icon);
    notification.setActions(actions);
    notification.setTimeout(timeout);
    notification.setHints(hints);
    Q_EMIT q->newNotification(notification);
}

void NotificationClientPrivate::notificationClosed(uint id, uint reason)
{
    NotificationClient::CloseReason closeReason = NotificationClient::Undefined;
    switch (reason) {
        case 1:
            closeReason = NotificationClient::Expired;
            break;
        case 2:
            closeReason = NotificationClient::DismissedByUser;
            break;
        case 3:
            closeReason = NotificationClient::Revoked;
            break;
    }
    Q_EMIT q->notificationClosed(id, closeReason);
}

void NotificationClientPrivate::closeNotification(uint id, NotificationClient::CloseReason reason)
{
    if(!m_notificationsInterface) {
        return;
    }
    QDBusMessage reply = m_notificationsInterface->callWithArgumentList(QDBus::NoBlock, QStringLiteral("CloseNotification"), {id, reason});
    if (reply.type() == QDBusMessage::ErrorMessage) {
        qWarning() << "Failed to call CloseNotification!" << QDBusConnection::sessionBus().lastError();
    }
}

void NotificationClientPrivate::serviceChange(const QString &service, const QString &oldOwner, const QString &newOwner)
{
    qDebug() << "Notification Service" << service << "status change, old owner:" << oldOwner << "new:" << newOwner;
    if(newOwner.isEmpty()) {
        unRegisterClient();
    } else if (oldOwner.isEmpty()) {
        registerClient();
    }
}

NotificationClient::NotificationClient(QObject *parent) : QObject(parent), d(new NotificationClientPrivate(this))
{
    qRegisterMetaType<PopupNotification>("PopupNotification");
}

NotificationClient::~NotificationClient() = default;

bool NotificationClient::registerClient()
{
    return d->init();
}

void NotificationClient::closeNotification(uint id, NotificationClient::CloseReason reason)
{
    d->closeNotification(id, reason);
}