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Copyright © 2019 Collabora Ltd.

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.

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 AND NONINFRINGEMENT.  IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
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/*
 * Copyright (C) 2018 Konsulko Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "message.h"
#include "messageengine.h"
#include "mediaplayer.h"
#include "mediaplayermessage.h"

Playlist::Playlist(QVariantMap &item)
{
    m_index = item["index"].toInt();
    m_duration = item["duration"].toInt();
    m_genre = item["genre"].toString();
    m_path = item["path"].toString();
    m_title = item["title"].toString();
    m_album = item["album"].toString();
    m_artist = item["artist"].toString();
}

Playlist::~Playlist() {}

Mediaplayer::Mediaplayer (QUrl &url, QQmlContext *context, QObject * parent) :
    QObject(parent),
    m_mloop(nullptr)
{
    m_mloop = new MessageEngine(url);
    m_context = context;
    m_context->setContextProperty("MediaplayerModel", QVariant::fromValue(m_playlist));
    QObject::connect(m_mloop, &MessageEngine::connected, this, &Mediaplayer::onConnected);
    QObject::connect(m_mloop, &MessageEngine::disconnected, this, &Mediaplayer::onDisconnected);
    QObject::connect(m_mloop, &MessageEngine::messageReceived, this, &Mediaplayer::onMessageReceived);
}

Mediaplayer::~Mediaplayer()
{
    delete m_mloop;
}

// Qt UI Context

void Mediaplayer::updatePlaylist(QVariantMap playlist)
{
    QVariantList list = playlist["list"].toList();

    m_playlist.clear();

    for (auto i : list) {
        QVariantMap item = qvariant_cast<QVariantMap>(i);
        m_playlist.append(new Playlist(item));
    }

    // Refresh model
    m_context->setContextProperty("MediaplayerModel", QVariant::fromValue(m_playlist));
}

// Control Verb methods

void Mediaplayer::control(QString control, QJsonObject parameter)
{
    MediaplayerMessage *tmsg = new MediaplayerMessage();

    parameter.insert("value", control);

    tmsg->createRequest("controls", parameter);
    m_mloop->sendMessage(tmsg);
    delete tmsg;
}


void Mediaplayer::control(QString control)
{
    QJsonObject parameter;

    Mediaplayer::control(control, parameter);
}

void Mediaplayer::disconnect()
{
    control("disconnect");
}

void Mediaplayer::connect()
{
    control("connect");
}
void Mediaplayer::play()
{
    control("play");
}

void Mediaplayer::pause()
{
    control("pause");
}

void Mediaplayer::previous()
{
    control("previous");
}

void Mediaplayer::next()
{
    control("next");
}

void Mediaplayer::seek(int milliseconds)
{
    QJsonObject parameter;
    parameter.insert("position", QString::number(milliseconds));

    control("seek", parameter);
}

void Mediaplayer::fastforward(int milliseconds)
{
    QJsonObject parameter;
    parameter.insert("position", QString::number(milliseconds));

    control("fast-forward", parameter);
}

void Mediaplayer::rewind(int milliseconds)
{
    QJsonObject parameter;
    parameter.insert("position", QString::number(milliseconds));

    control("rewind", parameter);
}

void Mediaplayer::picktrack(int track)
{
    QJsonObject parameter;
    parameter.insert("index", QString::number(track));

    control("pick-track", parameter);
}

void Mediaplayer::volume(int volume)
{
    QJsonObject parameter;
    parameter.insert("volume", QString(volume));

    control("volume", parameter);
}

void Mediaplayer::loop(int state)
{
    QJsonObject parameter;
    parameter.insert("state", state ? "true" : "false");

    control("loop", parameter);
}

void Mediaplayer::onConnected()
{
    QStringListIterator eventIterator(events);
    MediaplayerMessage *tmsg;

    while (eventIterator.hasNext()) {
        tmsg = new MediaplayerMessage();
        QJsonObject parameter;
        parameter.insert("value", eventIterator.next());
        tmsg->createRequest("subscribe", parameter);
        m_mloop->sendMessage(tmsg);
        delete tmsg;
    }
}

void Mediaplayer::onDisconnected()
{
    QStringListIterator eventIterator(events);
    MediaplayerMessage *tmsg;

    while (eventIterator.hasNext()) {
        tmsg = new MediaplayerMessage();
        QJsonObject parameter;
        parameter.insert("value", eventIterator.next());
        tmsg->createRequest("unsubscribe", parameter);
        m_mloop->sendMessage(tmsg);
        delete tmsg;
    }
}

void Mediaplayer::onMessageReceived(MessageType type, Message *message)
{
    if (type == MediaplayerEventMessage) {
        MediaplayerMessage *tmsg = qobject_cast<MediaplayerMessage*>(message);

        if (tmsg->isEvent()) {
            if (tmsg->isPlaylistEvent()) {
                updatePlaylist(tmsg->eventData().toVariantMap());
            } else if (tmsg->isMetadataEvent()) {
                QVariantMap map = tmsg->eventData().toVariantMap();

                if (map.contains("track") && map.value("track").toMap().contains("image")) {
                    m_context->setContextProperty("AlbumArt",
                        QVariant::fromValue(map.value("track").toMap().value("image")));
                }

                emit metadataChanged(map);
            }
        }
    }
    message->deleteLater();
}