#include "../../channelrx/demodlora/lorademodgui.h"
#include "../../channelrx/demodlora/lorademodgui.h"

#include <device/devicesourceapi.h>
#include <dsp/downchannelizer.h>
#include <QDockWidget>
#include <QMainWindow>

#include "../../../sdrbase/dsp/threadedbasebandsamplesink.h"
#include "ui_lorademodgui.h"
#include "ui_lorademodgui.h"
#include "dsp/spectrumvis.h"
#include "gui/glspectrum.h"
#include "plugin/pluginapi.h"
#include "util/simpleserializer.h"
#include "gui/basicchannelsettingswidget.h"
#include "dsp/dspengine.h"
#include "../../channelrx/demodlora/lorademod.h"

const QString LoRaDemodGUI::m_channelID = "de.maintech.sdrangelove.channel.lora";

LoRaDemodGUI* LoRaDemodGUI::create(PluginAPI* pluginAPI, DeviceSourceAPI *deviceAPI)
{
	LoRaDemodGUI* gui = new LoRaDemodGUI(pluginAPI, deviceAPI);
	return gui;
}

void LoRaDemodGUI::destroy()
{
	delete this;
}

void LoRaDemodGUI::setName(const QString& name)
{
	setObjectName(name);
}

QString LoRaDemodGUI::getName() const
{
	return objectName();
}

qint64 LoRaDemodGUI::getCenterFrequency() const {
	return m_channelMarker.getCenterFrequency();
}

void LoRaDemodGUI::setCenterFrequency(qint64 centerFrequency)
{
	m_channelMarker.setCenterFrequency(centerFrequency);
	applySettings();
}

void LoRaDemodGUI::resetToDefaults()
{
	blockApplySettings(true);

	ui->BW->setValue(0);
	ui->Spread->setValue(0);

	blockApplySettings(false);
	applySettings();
}

QByteArray LoRaDemodGUI::serialize() const
{
	SimpleSerializer s(1);
	s.writeS32(1, m_channelMarker.getCenterFrequency());
	s.writeS32(2, ui->BW->value());
	s.writeS32(3, ui->Spread->value());
	s.writeBlob(4, ui->spectrumGUI->serialize());
	return s.final();
}

bool LoRaDemodGUI::deserialize(const QByteArray& data)
{
	SimpleDeserializer d(data);

	if(!d.isValid())
    {
		resetToDefaults();
		return false;
	}

	if(d.getVersion() == 1)
    {
		QByteArray bytetmp;
		qint32 tmp;

		blockApplySettings(true);
	    m_channelMarker.blockSignals(true);

		d.readS32(1, &tmp, 0);
		m_channelMarker.setCenterFrequency(tmp);
		d.readS32(2, &tmp, 0);
		ui->BW->setValue(tmp);
		d.readS32(3, &tmp, 0);
		ui->Spread->setValue(tmp);
		d.readBlob(4, &bytetmp);
		ui->spectrumGUI->deserialize(bytetmp);

		blockApplySettings(false);
	    m_channelMarker.blockSignals(false);

		applySettings();
		return true;
	}
    else
    {
		resetToDefaults();
		return false;
	}
}

bool LoRaDemodGUI::handleMessage(const Message& message)
{
	return false;
}

void LoRaDemodGUI::viewChanged()
{
	applySettings();
}

void LoRaDemodGUI::on_BW_valueChanged(int value)
{
	const int loraBW[] = BANDWIDTHSTRING;
	int thisBW = loraBW[value];
	ui->BWText->setText(QString("%1 Hz").arg(thisBW));
	m_channelMarker.setBandwidth(thisBW);
	applySettings();
}

void LoRaDemodGUI::on_Spread_valueChanged(int value)
{
}

void LoRaDemodGUI::onWidgetRolled(QWidget* widget, bool rollDown)
{
	/*
	if((widget == ui->spectrumContainer) && (m_LoRaDemod != NULL))
		m_LoRaDemod->setSpectrum(m_threadedSampleSink->getMessageQueue(), rollDown);
	*/
}

void LoRaDemodGUI::onMenuDoubleClicked()
{
	if(!m_basicSettingsShown) {
		m_basicSettingsShown = true;
		BasicChannelSettingsWidget* bcsw = new BasicChannelSettingsWidget(&m_channelMarker, this);
		bcsw->show();
	}
}

LoRaDemodGUI::LoRaDemodGUI(PluginAPI* pluginAPI, DeviceSourceAPI *deviceAPI, QWidget* parent) :
	RollupWidget(parent),
	ui(new Ui::LoRaDemodGUI),
	m_pluginAPI(pluginAPI),
	m_deviceAPI(deviceAPI),
	m_channelMarker(this),
	m_basicSettingsShown(false),
	m_doApplySettings(true)
{
	ui->setupUi(this);
	setAttribute(Qt::WA_DeleteOnClose, true);
	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
	connect(this, SIGNAL(menuDoubleClickEvent()), this, SLOT(onMenuDoubleClicked()));

	m_spectrumVis = new SpectrumVis(ui->glSpectrum);
	m_LoRaDemod = new LoRaDemod(m_spectrumVis);
	m_channelizer = new DownChannelizer(m_LoRaDemod);
	m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer);
	m_deviceAPI->addThreadedSink(m_threadedChannelizer);

	ui->glSpectrum->setCenterFrequency(16000);
	ui->glSpectrum->setSampleRate(32000);
	ui->glSpectrum->setDisplayWaterfall(true);
	ui->glSpectrum->setDisplayMaxHold(true);

	setTitleColor(Qt::magenta);

	//m_channelMarker = new ChannelMarker(this);
	m_channelMarker.setColor(Qt::magenta);
	m_channelMarker.setBandwidth(7813);
	m_channelMarker.setCenterFrequency(0);
	m_channelMarker.setVisible(true);

	connect(&m_channelMarker, SIGNAL(changed()), this, SLOT(viewChanged()));

	m_deviceAPI->registerChannelInstance(m_channelID, this);
	m_deviceAPI->addChannelMarker(&m_channelMarker);
	m_deviceAPI->addRollupWidget(this);

	ui->spectrumGUI->setBuddies(m_channelizer->getInputMessageQueue(), m_spectrumVis, ui->glSpectrum);

	applySettings();
}

LoRaDemodGUI::~LoRaDemodGUI()
{
    m_deviceAPI->removeChannelInstance(this);
	m_deviceAPI->removeThreadedSink(m_threadedChannelizer);
	delete m_threadedChannelizer;
	delete m_channelizer;
	delete m_LoRaDemod;
	delete m_spectrumVis;
	//delete m_channelMarker;
	delete ui;
}

void LoRaDemodGUI::blockApplySettings(bool block)
{
    m_doApplySettings = !block;
}

void LoRaDemodGUI::applySettings()
{
	if (m_doApplySettings)
	{
		const int  loraBW[] = BANDWIDTHSTRING;
		int thisBW = loraBW[ui->BW->value()];

		m_channelizer->configure(m_channelizer->getInputMessageQueue(),
			thisBW,
			m_channelMarker.getCenterFrequency());

		m_LoRaDemod->configure(m_LoRaDemod->getInputMessageQueue(), thisBW);
	}
}