#include "speedcheck.h"
#include "ui_speedcheck.h"
#include "copythread.h"
#include "datasource/cpuload.h"
#include "datasource/networkspeed.h"

#include <QCoreApplication>
#include <QMessageBox>
#include <QNetworkInterface>
#include <QFile>
#include <QFileDialog>
#include <QDebug>
#include <QTimer>

SpeedCheck::SpeedCheck(QString fileName)
	: _ui(new Ui::MainWindow),
	  _thread(NULL),
	  _doQuit(false),
	  _fileName(fileName)
{
	_ui->setupUi(this);
	connect(_ui->btnStart, SIGNAL(clicked(bool)), this, SLOT(startClicked(bool)));
	connect(_ui->btnQuit, SIGNAL(clicked(bool)), this, SLOT(quitClicked(bool)));
    connect(_ui->btnselect, SIGNAL(clicked(bool)), this, SLOT(selectClicked(bool)));
    connect(_ui->btnrefreshNetwork, SIGNAL(clicked(bool)), this, SLOT(networkrefreshClicked(bool)));
    connect(_ui->comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateNetworkInfos(int)));
    _ui->filelabel->setText("Selected File: " + _fileName);
	_timer.setInterval(200);
	connect(&_timer, SIGNAL(timeout()), this, SLOT(updateTimer()));
	qsrand((uint)QCoreApplication::applicationPid());
    networkrefreshClicked(true);
}

SpeedCheck::~SpeedCheck()
{

}

void SpeedCheck::logMessage(QString message)
{
    // qDebug() << message;
    _ui->statusBar->showMessage(message);
}
void SpeedCheck::selectClicked(bool) {
    _fileName = QFileDialog::getOpenFileName(this, tr("Select benchmark file"));
    _ui->filelabel->setText("Selected File: " + _fileName);

}
void SpeedCheck::startClicked(bool)
{
    QFile *file = new QFile(_fileName);
	if (!file->open(QIODevice::ReadOnly)) {
		QMessageBox::critical(this, trUtf8("Error"), trUtf8("Could not open %1 for reading.").arg(_fileName));
		return;
	}
	_ui->picCpu->setDataSource(new CpuLoad());
    _ui->picSpeed->setDataSource(new NetworkSpeed(_ui->comboBox->currentText()));
	_ui->btnStart->setDisabled(true);
    _ui->btnselect->setDisabled(true);
    _ui->comboBox->setDisabled(true);
	delete _thread;
	_thread = new CopyThread(file, this);
    connect(_thread, SIGNAL(logMessage(QString)), this, SLOT(logMessage(QString)), Qt::QueuedConnection);
	connect(_thread, SIGNAL(finished()), this, SLOT(testFinished()), Qt::QueuedConnection);
	_timer.start();
	_thread->start();
}

void SpeedCheck::quitClicked(bool)
{
	if (_thread != NULL && _thread->isRunning()) {
		_doQuit = true;
		_thread->stop();
	}
	if (_thread == NULL || !_thread->isRunning()) {
		QCoreApplication::instance()->quit();
	}
}

void SpeedCheck::testFinished()
{
	_timer.stop();
	delete _thread;
	_thread = NULL;
	if (_doQuit) {
		QCoreApplication::instance()->quit();
	}
	_ui->btnStart->setEnabled(true);
    _ui->btnselect->setEnabled(true);
    _ui->comboBox->setEnabled(true);
}
void SpeedCheck::networkrefreshClicked(bool)
{
    while (_ui->comboBox->count() > 0) {
        _ui->comboBox->removeItem(0);
    }
    QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
        foreach (QNetworkInterface iface, interfaces) {
            if ((iface.flags().testFlag(QNetworkInterface::IsUp)) && !iface.flags().testFlag(QNetworkInterface::IsLoopBack)) {
                _ui->comboBox->addItem(iface.name());
            }
        }
}
void SpeedCheck::updateNetworkInfos(int) {
    QString path = "/sys/class/net/" + _ui->comboBox->currentText();
    QFile file(path + "/speed");
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
            return;
    QByteArray speed = file.readLine();
    QDir wireless(path + "/wireless");
    // Remove new line at End of the line
    speed.remove(speed.length() - 1, 1);
    if (!wireless.exists()) {
        if (speed.toInt() < 1000) {
            QMessageBox::warning(NULL, "Warning","Link Speed Slow");
            _ui->networkSpeed->setStyleSheet("QLabel {color:orange;}");
            _ui->networkSpeed->setToolTip("Networkspeed slow!");
        }
        _ui->networkSpeed->setText(speed + " MB/s");
    }
    else {
        _ui->networkSpeed->setDisabled(true);
        _ui->networkSpeed->setText("");
        _ui->link->setText("");
    }
}
void SpeedCheck::updateTimer()
{
	_ui->picCpu->readNextValue();
	_ui->picSpeed->readNextValue();
}