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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent)
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    : QMainWindow(parent)
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    , ui(new Ui::MainWindow)
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    , serial(new QSerialPort)
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{
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    ui->setupUi(this);
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}
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MainWindow::~MainWindow()
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{
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    delete ui;
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}
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void MainWindow::on_btnReset_clicked(){
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    fnc_closeSerialPort();
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    ui->btnStart->setEnabled(true);
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    ui->btnReset->setEnabled(false);
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    // RESET VAR
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    red = green = yellow = sum = 0;
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    update_numColor();
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}
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void MainWindow::on_btnStart_clicked()
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{
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    fnc_closeSerialPort();
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    open_serial_port();
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    ui->btnStart->setEnabled(false);
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    ui->btnReset->setEnabled(true);
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    readData();
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}
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void MainWindow::open_serial_port() {
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    // Set up serial port parameters
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    serial->setPortName("COM3");
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    serial->setBaudRate(QSerialPort::Baud9600);
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    serial->setDataBits(QSerialPort::Data8);
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    serial->setParity(QSerialPort::NoParity);
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    serial->setStopBits(QSerialPort::OneStop);
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    serial->setFlowControl(QSerialPort::NoFlowControl);
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    // Attempt to open the serial port
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    if (serial->open(QIODevice::ReadWrite)) {
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        // Connection established, connect signals and slots
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        connect(serial, &QSerialPort::readyRead, this, &MainWindow::readData);
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        connect(this, &MainWindow::updateNumColor, this, &MainWindow::update_numColor, Qt::QueuedConnection);
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        connect(ui->PauseButton, &QPushButton::clicked, this, &MainWindow::pauseArduino);
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        connect(ui->ContinueButton, &QPushButton::clicked, this, &MainWindow::continueArduino);
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        qDebug() << "Connected successfully";
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        // Optionally, trigger initial readData() here if needed
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        // readData();
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    } else {
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        // Connection failed, show error message
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        QMessageBox::critical(this, tr("Connection Error"), serial->errorString());
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    }
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}
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void MainWindow::fnc_closeSerialPort()
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{
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    if (serial->isOpen())
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        serial->close();
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}
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void MainWindow::readData()
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{
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    //This code is to read all data on serial port
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    QByteArray data = serial->readAll();
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    QString strData;
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    if (!data.isEmpty()) {
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        //            qDebug() << "check";
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        strData = QString(data);
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        //            qDebug() << strData;
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        if (strData.compare("red\r\n", Qt::CaseInsensitive) == 0) {
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            red++;
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        }
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        if (strData.compare("green\r\n", Qt::CaseInsensitive) == 0) {
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            green++;
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        }
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        if (strData.compare("yellow\r\n", Qt::CaseInsensitive) == 0) {
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            yellow++;
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        }
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        sum = red + green + yellow;
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        update_numColor();
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    }
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}
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void MainWindow::pauseArduino() {
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    // Gửi tín hiệu cho Arduino yêu cầu tạm dừng chương trình
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    if (serial->isOpen()) {
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        // Gửi dữ liệu tới Arduino
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        serial->write("P");
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    }
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}
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void MainWindow::continueArduino() {
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    // Gửi tín hiệu cho Arduino yêu cầu tạm dừng chương trình
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    if (serial->isOpen()) {
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        // Gửi dữ liệu tới Arduino
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        serial->write("C");
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    }
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}
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void MainWindow::update_numColor(){
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    ui->numRed->setText(QString::number(red));
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    ui->numgreen->setText(QString::number(green));
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    ui->numyellow->setText(QString::number(yellow));
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    ui->numsum->setText(QString::number(sum));
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}