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#include "IOWidget.h"

IOWidget::IOWidget(QWidget *parent) : QWidget(parent)

{

    // Serial data UI

    textData = new QTextEdit();

    textData->setCurrentFont(QFont("Consolas", 8));

    textData->append("Waiting for serial connection... ");

    textData->setMinimumSize(400, 100);

    textData->setReadOnly(true);

    textTransmit = new QLineEdit();

    textTransmit->setEnabled(false);

    textTransmit->setFont(QFont("Consolas", 8));

    btnTransmit = new QPushButton("&Send");

    btnTransmit->setEnabled(false);

    btnClear = new QPushButton("Clear");

    QHBoxLayout *transmitLayout = new QHBoxLayout();

    transmitLayout->addWidget(textTransmit);

    transmitLayout->addWidget(btnTransmit);

    transmitLayout->addWidget(btnClear);

    QVBoxLayout *dataLayout = new QVBoxLayout();

    dataLayout->addWidget(textData);

    dataLayout->addLayout(transmitLayout);

    setLayout(dataLayout);

    connect(btnTransmit, SIGNAL(clicked()), this, SLOT(PreprocessTransmit()));

    connect(textTransmit, SIGNAL(returnPressed()), btnTransmit, SIGNAL(clicked()));

    connect(btnClear, SIGNAL(clicked()), this, SLOT(ClearBtn()));

//    EnableTransmit(false);

    textTransmit->setEnabled(false);

    btnTransmit->setEnabled(false);

    lastTransmit = true;

}

IOWidget::~IOWidget()

{

}

void IOWidget::PreprocessTransmit(QByteArray data)

{

    QString str;

    if (data.isEmpty()) {

        str = textTransmit->text();

        textTransmit->setText("");

    } else {

        str = QString(data);

    }

    QTime curTime = QTime::currentTime();

    QStringList cmds = str.split('\n', QString::SkipEmptyParts);

    for (int i = 0; i < cmds.size(); i++) {

        emit TransmitByteArray((cmds[i] + '\n').toUtf8());

        textData->setTextColor(Qt::darkBlue);

        textData->append(curTime.toString("[HH:mm:ss:zzz]: ") + cmds[i]);

    }

    textData->moveCursor(QTextCursor::End);

    textData->ensureCursorVisible();

    // Save a flag indicating last activity was a transmit

    lastTransmit = true;

}

void IOWidget::ProcessReceivedByte(QByteArray data)

{

    textData->setTextColor(Qt::darkRed);

    QTime curTime = QTime::currentTime();

    QString timeString = "\n" + curTime.toString("[HH:mm:ss:zzz]: ");

    if (data.endsWith('\n')) data.remove(data.size()-1, 1);

    data.replace('\n', timeString);

    if (lastTransmit) {

        textData->insertPlainText(timeString + QString(data));

    } else {

        textData->insertPlainText(QString(data));

    }

    textData->moveCursor(QTextCursor::End);

    textData->ensureCursorVisible();

    lastTransmit = false;

}

void IOWidget::ClearBtn()

{

    textData->clear();

}

void IOWidget::EnableTransmit(bool enable)

{

    textData->setTextColor(Qt::black);

    if (enable) {

        textTransmit->setEnabled(true);

        btnTransmit->setEnabled(true);

        textData->insertPlainText("connected!");

    } else {

        textTransmit->setEnabled(false);

        btnTransmit->setEnabled(false);

        textData->append("Serial disconnected.");

        textData->append("Waiting for serial connection... ");

    }

    textData->moveCursor(QTextCursor::End);

    textData->ensureCursorVisible();

}