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#include <QtCore/qvariant.h>
#include <QtCore/qdebug.h>

#include "avfcameraservice_p.h"
#include "avfcameracontrol_p.h"
#include "avfcamerasession_p.h"
#include "avfcamerametadatacontrol_p.h"
#include "avfmediarecordercontrol_p.h"
#include "avfimagecapturecontrol_p.h"
#include "avfcamerarenderercontrol_p.h"
#include "avfmediarecordercontrol_p.h"
#include "avfimagecapturecontrol_p.h"
#include "avfcamerafocuscontrol_p.h"
#include "avfcameraexposurecontrol_p.h"
#include "avfimageencodercontrol_p.h"
#include "avfcamerawindowcontrol_p.h"

#ifdef Q_OS_IOS
#include "avfmediarecordercontrol_ios_p.h"
#endif

QT_USE_NAMESPACE

AVFCameraService::AVFCameraService()
    : m_videoOutput(nullptr),
      m_captureWindowControl(nullptr)
{
    m_session = new AVFCameraSession(this);
    m_cameraControl = new AVFCameraControl(this);

#ifndef Q_OS_IOS
    // This will connect a slot to 'captureModeChanged'
    // and will break viewfinder by attaching AVCaptureMovieFileOutput
    // in this slot.
    m_recorderControl = new AVFMediaRecorderControl(this);
#else
    m_recorderControl = new AVFMediaRecorderControlIOS(this);
#endif
    m_imageCaptureControl = new AVFImageCaptureControl(this);
    m_cameraFocusControl = new AVFCameraFocusControl(this);
    m_cameraExposureControl = nullptr;
#ifdef Q_OS_IOS
    m_cameraExposureControl = new AVFCameraExposureControl(this);
#endif

    m_imageEncoderControl = new AVFImageEncoderControl(this);
}

AVFCameraService::~AVFCameraService()
{
    m_cameraControl->setState(QCamera::UnloadedState);

#ifdef Q_OS_IOS
    delete m_recorderControl;
#endif

    if (m_captureWindowControl) {
        m_session->setCapturePreviewOutput(nullptr);
        delete m_captureWindowControl;
        m_captureWindowControl = nullptr;
    }

    if (m_videoOutput) {
        m_session->setVideoOutput(nullptr);
        delete m_videoOutput;
        m_videoOutput = nullptr;
    }

    //delete controls before session,
    //so they have a chance to do deinitialization
    delete m_imageCaptureControl;
    //delete m_recorderControl;
    delete m_cameraControl;
    delete m_cameraFocusControl;
    delete m_cameraExposureControl;
    delete m_imageEncoderControl;

    delete m_session;
}

QObject *AVFCameraService::requestControl(const char *name)
{
    if (qstrcmp(name, QCameraControl_iid) == 0)
        return m_cameraControl;

    if (qstrcmp(name, QMediaRecorderControl_iid) == 0)
        return m_recorderControl;

    if (qstrcmp(name, QCameraImageCaptureControl_iid) == 0)
        return m_imageCaptureControl;

    if (qstrcmp(name, QCameraExposureControl_iid) == 0)
        return m_cameraExposureControl;

    if (qstrcmp(name, QCameraFocusControl_iid) == 0)
        return m_cameraFocusControl;

    if (qstrcmp(name, QImageEncoderControl_iid) == 0)
        return m_imageEncoderControl;

    if (!m_captureWindowControl) {
        if (qstrcmp(name, QVideoWindowControl_iid) == 0) {
            m_captureWindowControl = new AVFCameraWindowControl(this);
            m_session->setCapturePreviewOutput(m_captureWindowControl);
            return m_captureWindowControl;
        }
    }

    if (!m_videoOutput) {
        if (qstrcmp(name, QVideoRendererControl_iid) == 0)
            m_videoOutput = new AVFCameraRendererControl(this);

        if (m_videoOutput) {
            m_session->setVideoOutput(m_videoOutput);
            return m_videoOutput;
        }
    }

    return nullptr;
}

void AVFCameraService::releaseControl(QObject *control)
{
    if (m_videoOutput == control) {
        m_session->setVideoOutput(nullptr);
        delete m_videoOutput;
        m_videoOutput = nullptr;
    }
    else if (m_captureWindowControl == control) {
        m_session->setCapturePreviewOutput(nullptr);
        delete m_captureWindowControl;
        m_captureWindowControl = nullptr;
    }
}


#include "moc_avfcameraservice_p.cpp"