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#include "MainWindow.h"

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent)

{

    // Set central widget

    centralWidget = new QWidget();

    setCentralWidget(centralWidget);

    // Serial connection UI

    groupSerialInit = new QGroupBox("Initialization");

    btnSerialConnect = new QPushButton("Connect");

    btnSerialRefresh = new QPushButton("Refresh");

    labelSerialPort = new QLabel("Port:");

    labelSerialSpeed = new QLabel("Baud Rate:");

    cboxSerialPort = new QComboBox();

//    cboxSerialPort->setFixedWidth(100);

    cboxSerialSpeed = new QComboBox();

//    cboxSerialSpeed->setFixedWidth(100);

    QHBoxLayout *serialInitLayout = new QHBoxLayout();

    serialInitLayout->addWidget(btnSerialConnect);

    serialInitLayout->addWidget(labelSerialPort);

    serialInitLayout->addWidget(cboxSerialPort);

    serialInitLayout->addWidget(labelSerialSpeed);

    serialInitLayout->addWidget(cboxSerialSpeed);

    serialInitLayout->addWidget(btnSerialRefresh);

    serialInitLayout->addStretch();

    groupSerialInit->setLayout(serialInitLayout);

    groupSerialInit->setFixedSize(groupSerialInit->sizeHint());

    // Serial data UI

    groupSerialData = new QGroupBox("Data");

    textSerialData = new QTextEdit();

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

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

    textSerialData->setMinimumHeight(100);

    textSerialData->setReadOnly(true);

    textSerialTransmit = new QLineEdit();

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

    btnSerialTransmit = new QPushButton("Send");

    btnSerialClear = new QPushButton("Clear");

    QHBoxLayout *serialTransmitLayout = new QHBoxLayout();

    serialTransmitLayout->addWidget(textSerialTransmit);

    serialTransmitLayout->addWidget(btnSerialTransmit);

    serialTransmitLayout->addWidget(btnSerialClear);

    QVBoxLayout *serialDataLayout = new QVBoxLayout();

    serialDataLayout->addWidget(textSerialData);

    serialDataLayout->addLayout(serialTransmitLayout);

    groupSerialData->setLayout(serialDataLayout);

    // Main layout

    QGridLayout *mainLayout = new QGridLayout();

    mainLayout->addWidget(groupSerialInit, 0, 0);

    mainLayout->addWidget(groupSerialData, 1, 0);

    centralWidget->setLayout(mainLayout);

    setWindowTitle("Paste Dispenser Controller");

    setBaseSize(this->sizeHint());

    serialThread = new QThread();

    serialController = new SerialController();

    serialController->moveToThread(serialThread);

    connect(btnSerialConnect, SIGNAL(clicked()), this, SLOT(Serial_ConnectToggleBtn()));

    connect(btnSerialRefresh, SIGNAL(clicked()), this, SIGNAL(Serial_QueryParameters()));

    connect(btnSerialTransmit, SIGNAL(clicked()), this, SLOT(Serial_TransmitStringBtn()));

    connect(textSerialTransmit, SIGNAL(returnPressed()), btnSerialTransmit, SIGNAL(clicked()));

    connect(btnSerialClear, SIGNAL(clicked()), this, SLOT(Serial_ClearBtn()));

    connect(this, SIGNAL(Serial_QueryParameters()), serialController, SLOT(Serial_QueryParameters()));

    connect(this, SIGNAL(Serial_Connect(QString,QString)), serialController, SLOT(Serial_Connect(QString,QString)));

    connect(this, SIGNAL(Serial_Disconnect()), serialController, SLOT(Serial_Disconnect()));

    connect(this, SIGNAL(Serial_TransmitString(QString)), serialController, SLOT(Serial_TransmitString(QString)));

    connect(serialController, SIGNAL(Serial_UpdateParameters(QStringList,QStringList)), this, SLOT(Serial_UpdateParameters(QStringList,QStringList)));

    connect(serialController, SIGNAL(Serial_ReceivedString(QString)), this, SLOT(Serial_ReceivedString(QString)));

    connect(serialController, SIGNAL(Serial_Connected()), this, SLOT(Serial_Connected()));

    connect(serialController, SIGNAL(Serial_Disconnected()), this, SLOT(Serial_Disconnected()));

    connect(serialThread, SIGNAL(finished()), serialController, SLOT(deleteLater()));

    serialThread->start();

    emit Serial_QueryParameters();

    Serial_Disconnected();

}

MainWindow::~MainWindow()

{

    serialThread->quit();

}

void MainWindow::Serial_ConnectToggleBtn()

{

    if (serialController->connected) {

        emit Serial_Disconnect();

    } else {

        if (cboxSerialPort->currentText() != "" && cboxSerialSpeed->currentText() != "") {

            emit Serial_Connect(cboxSerialPort->currentText(), cboxSerialSpeed->currentText());

        }

    }

}

void MainWindow::Serial_TransmitStringBtn()

{

    emit Serial_TransmitString(textSerialTransmit->text());

    textSerialData->setTextColor(Qt::darkBlue);

    textSerialData->append("TX:  " + textSerialTransmit->text());

    textSerialTransmit->setText("");

}

void MainWindow::Serial_ClearBtn()

{

    textSerialData->clear();

}

void MainWindow::Serial_UpdateParameters(QStringList ports, QStringList speeds)

{

    cboxSerialPort->clear();

    cboxSerialPort->addItems(ports);

    cboxSerialSpeed->clear();

    cboxSerialSpeed->addItems(speeds);

}

void MainWindow::Serial_ReceivedString(QString string)

{

    textSerialData->setTextColor(Qt::darkRed);

    textSerialData->append("RX:  " + string);

}

void MainWindow::Serial_Connected()

{

    btnSerialConnect->setText("Disconnect");

    cboxSerialPort->setEnabled(false);

    cboxSerialSpeed->setEnabled(false);

    btnSerialRefresh->setEnabled(false);

    textSerialTransmit->setEnabled(true);

    btnSerialTransmit->setEnabled(true);

}

void MainWindow::Serial_Disconnected()

{

    btnSerialConnect->setText("Connect");

    cboxSerialPort->setEnabled(true);

    cboxSerialSpeed->setEnabled(true);

    btnSerialRefresh->setEnabled(true);

    textSerialTransmit->setEnabled(false);

    btnSerialTransmit->setEnabled(false);

}