/*
  Q Light Controller
  hidplugin.h

  Copyright (c) Heikki Junnila

  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.txt

  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.
*/

#ifndef HIDPLUGIN_H
#define HIDPLUGIN_H

#include <QEvent>
#include <QList>

#include "qlcioplugin.h"

class HIDPoller;
class HIDDevice;

/*****************************************************************************
 * HIDPlugin
 *****************************************************************************/

class HIDPlugin final : public QLCIOPlugin
{
    Q_OBJECT
    Q_INTERFACES(QLCIOPlugin)
    Q_PLUGIN_METADATA(IID QLCIOPlugin_iid)

    friend class ConfigureHID;
    friend class HIDPoller;

    /*********************************************************************
     * Initialization
     *********************************************************************/
public:
    /** @reimp */
    void init() override;

    /** @reimp */
    virtual ~HIDPlugin() override;

    /** @reimp */
    QString name() const override;

    /** @reimp */
    int capabilities() const override;

    /** @reimp */
    QString pluginInfo() const override;

    /*********************************************************************
     * Inputs
     *********************************************************************/
public:
    /** @reimp */
    bool openInput(quint32 input, quint32 universe) override;

    /** @reimp */
    void closeInput(quint32 input, quint32 universe) override;

    /** @reimp */
    QStringList inputs() override;

    /** @reimp */
    QString inputInfo(quint32 input) override;

    /*********************************************************************
     * Outputs
     *********************************************************************/
public:
    /** @reimp */
    bool openOutput(quint32 output, quint32 universe) override;

    /** @reimp */
    void closeOutput(quint32 output, quint32 universe) override;

    /** @reimp */
    QStringList outputs() override;

    /** @reimp */
    QString outputInfo(quint32 output) override;

    /** @reimp */
    void writeUniverse(quint32 universe, quint32 output, const QByteArray& data, bool dataChanged) override;

    /*********************************************************************
     * Configuration
     *********************************************************************/
public:
    /** @reimp */
    void configure() override;

    /** @reimp */
    bool canConfigure() const override;

signals:
    void configurationChanged();

    /*********************************************************************
     * Devices
     *********************************************************************/
public:
    void rescanDevices();

protected:
    HIDDevice* device(const QString& path) const;
    HIDDevice* device(quint32 index) const;
    HIDDevice* deviceOutput(quint32 index) const;

    void addDevice(HIDDevice* device);
    void removeDevice(HIDDevice* device);

signals:
    void deviceAdded(HIDDevice* device);
    void deviceRemoved(HIDDevice* device);

protected:
    QList <HIDDevice*> m_devices;

    /********************************************************************
     * Hotplug
     ********************************************************************/
public slots:
    void slotDeviceAdded(uint vid, uint pid);
    void slotDeviceRemoved(uint vid, uint pid);
};

#endif
