/***************************************************************************************
 *
 *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
 *
 *  By downloading, copying, installing or using the software you agree to this license.
 *  If you do not agree to this license, do not download, install, 
 *  copy or use the software.
 *
 *  Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
 *
 *  Redistribution and use in binary forms, with or without modification, are permitted.
 *
 *  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 "MediaSetting.h"
#include "utils.h"
#include "media_format.h"
#include <QCameraInfo>
#include <QMessageBox>

/**************************************************************************************/

MediaSetting::MediaSetting(QWidget *parent) :
QDialog(parent),
ui(new Ui::MediaSetting)
{
    ui->setupUi(this);

    initDialog();
    connSignalSlot();

    showMaximized();
}

MediaSetting::~MediaSetting()
{
    delete ui;
}

void MediaSetting::initDialog()
{
    ui->cmbVideoCodec->addItem("H264", VIDEO_CODEC_H264);
    ui->cmbVideoCodec->addItem("H265", VIDEO_CODEC_H265);

    ui->cmbAudioCodec->addItem("G711A", AUDIO_CODEC_G711A);
    ui->cmbAudioCodec->addItem("G711U", AUDIO_CODEC_G711U);
    ui->cmbAudioCodec->addItem("AAC", AUDIO_CODEC_AAC);

    ui->cmbVideoSize->addItem("default", QSize(0, 0));
    ui->cmbVideoSize->addItem("1920*1080", QSize(1920, 1080));
    ui->cmbVideoSize->addItem("1280*720", QSize(1280, 720));
    ui->cmbVideoSize->addItem("640*480", QSize(640, 480));

    ui->cmbVideoFps->addItem("30", 30);
    ui->cmbVideoFps->addItem("25", 25);
    ui->cmbVideoFps->addItem("20", 20);
    ui->cmbVideoFps->addItem("15", 15);
    ui->cmbVideoFps->addItem("10", 10);

    ui->cmbVideoBps->addItem("default", 0);
    ui->cmbVideoBps->addItem("4000", 4000);
    ui->cmbVideoBps->addItem("3000", 3000);
    ui->cmbVideoBps->addItem("2500", 2500);
    ui->cmbVideoBps->addItem("2000", 2000);
    ui->cmbVideoBps->addItem("1500", 1500);
    ui->cmbVideoBps->addItem("1000", 1000);
    ui->cmbVideoBps->addItem("800", 800);
    ui->cmbVideoBps->addItem("500", 500);
    ui->cmbVideoBps->addItem("300", 300);
    ui->cmbVideoBps->addItem("100", 100);

    ui->cmbSampleRate->addItem("8000", 8000);
    ui->cmbSampleRate->addItem("11025", 11025);
    ui->cmbSampleRate->addItem("12000", 12000);
    ui->cmbSampleRate->addItem("16000", 16000);
    ui->cmbSampleRate->addItem("22050", 22050);
    ui->cmbSampleRate->addItem("24000", 24000);
    ui->cmbSampleRate->addItem("32000", 32000);
    ui->cmbSampleRate->addItem("44100", 44100);
    ui->cmbSampleRate->addItem("48000", 48000);

    ui->cmbChannel->addItem("Mono", 1);  
    ui->cmbChannel->addItem("Stereo", 2);

    ui->cmbAudioBps->addItem("default", 0);
    ui->cmbAudioBps->addItem("100", 100);
    ui->cmbAudioBps->addItem("64", 64);
    ui->cmbAudioBps->addItem("32", 32);
    ui->cmbAudioBps->addItem("16", 16);

    QList<QCameraInfo> cameras = QCameraInfo::availableCameras();
    foreach (const QCameraInfo &cameraInfo, cameras)
    {
        ui->cmbCamera->addItem(cameraInfo.deviceName(), cameraInfo.position());
    }

    ui->grpVideo->setChecked(getVideoFlag());
    ui->grpAudio->setChecked(getAudioFlag());
    ui->cmbCamera->setCurrentIndex(getCameraIndex());
    setComboItem(ui->cmbVideoCodec, getVideoCodec());
    setComboItem(ui->cmbAudioCodec, getAudioCodec());
    setComboItem(ui->cmbVideoSize, getResolution());
    setComboItem(ui->cmbVideoFps, getFrameRate());
    setComboItem(ui->cmbVideoBps, getVideoBitrate());
    setComboItem(ui->cmbSampleRate, getSampleRate());
    setComboItem(ui->cmbChannel, getChannel());
    setComboItem(ui->cmbAudioBps, getAudioBitrate());
}

void MediaSetting::connSignalSlot()
{
    connect(ui->btnCancel, SIGNAL(clicked()), this, SLOT(close()));
    connect(ui->btnConfirm, SIGNAL(clicked()), this, SLOT(slotConfirm()));
}

void MediaSetting::setComboItem(QComboBox * item, QVariant data)
{
    for (int i = 0; i < item->count(); i++)
    {
        if (item->itemData(i) == data)
        {
            item->setCurrentIndex(i);
            break;
        }
    }
}

void MediaSetting::slotConfirm()
{
    int video = ui->grpVideo->isChecked();
    int audio = ui->grpAudio->isChecked();
    
    if (!video && !audio)
    {
        QMessageBox::information(this, tr("Tips"), tr("Please check video or audio."));
        return;
    }

#ifdef DEMO
    if (VIDEO_CODEC_H265 == ui->cmbVideoCodec->currentData().toInt())
    {
        ui->cmbVideoCodec->setFocus();
        QMessageBox::information(this, tr("Tips"), tr("DEMO version does not support H265."));
        return;
    }
#endif

#ifdef DEMO
    if (AUDIO_CODEC_AAC == ui->cmbAudioCodec->currentData().toInt())
    {
        ui->cmbAudioCodec->setFocus();
        QMessageBox::information(this, tr("Tips"), tr("DEMO version does not support AAC."));
        return;
    }
#endif

    saveVideoFlag(video);
    saveVideoCodec(ui->cmbVideoCodec->currentData().toInt());
    saveCameraIndex(ui->cmbCamera->currentIndex());
    saveFrameRate(ui->cmbVideoFps->currentData().toInt());
    saveVideoBitrate(ui->cmbVideoBps->currentData().toInt());
    saveResolution(ui->cmbVideoSize->currentData().toSize());
    saveAudioFlag(audio);
    saveAudioCodec(ui->cmbAudioCodec->currentData().toInt());
    saveSampleRate(ui->cmbSampleRate->currentData().toInt());
    saveChannel(ui->cmbChannel->currentData().toInt());
    saveAudioBitrate(ui->cmbAudioBps->currentData().toInt());
    
    accept();
}