#pragma once

#include <QObject>
#include <QString>

class QSocketNotifier;
class QTimer;

class SerialReader : public QObject {
    Q_OBJECT

public:
    explicit SerialReader(QObject *parent = nullptr);
    ~SerialReader() override;

    [[nodiscard]] bool isOpen() const;
    [[nodiscard]] QString portName() const;

public slots:
    bool openPort(const QString &path, int baudRate);
    void closePort();

signals:
    void lineReceived(const QString &line);
    void statusChanged(const QString &status);
    void errorOccurred(const QString &message);

private slots:
    void handleReadyRead();
    void flushPartialLine();

private:
    bool configurePort(int baudRate);
    void processBuffer();
    void setModemControlLines();
    void emitSystemError(const QString &prefix);

    int m_fd = -1;
    QSocketNotifier *m_notifier = nullptr;
    QTimer *m_pollTimer = nullptr;
    QTimer *m_partialLineTimer = nullptr;
    QByteArray m_buffer;
    QString m_portName;
};