#ifndef MYTCPCLIENT_H
#define MYTCPCLIENT_H

#include <QTcpSocket>
#include <QTimer>
#include <QObject>
#include "data_config.h"

class MyTcpClient : public QObject {
    Q_OBJECT

public:
    static MyTcpClient* instance();
    explicit MyTcpClient(QObject *parent = nullptr);
    ~MyTcpClient();

    void connectToServer(const QString &host, quint16 port);
    int sendData(char* data,qint64 len);
    void waitForRead();
    void disconnectFromServer();

signals:
    void connected();
    void disconnected();
    void dataReceived(const QByteArray &data);
    void errorOccurred(const QString &errorMsg);

private slots:
    void onConnected();
    void onReadyRead();
    void onDisconnected();
    void onErrorOccurred(QAbstractSocket::SocketError socketError);
    void onReconnect();

private:
    QTcpSocket *socket;
    QTimer reconnectTimer;  // 自动重连定时器
    QTimer heartbeatTimer;  // 心跳包定时器
    QString serverHost;
    quint16 serverPort;
    bool shouldReconnect;  // 标记是否需要重连
    static MyTcpClient* m_instance;

    QByteArray m_buffer;      // 存储当前正在接收的数据
    bool m_waitingForHeader = true;  // 是否在等待头部
    PackageHead m_currentHead;  // 当前包的头部信息
};

#endif // MYTCPCLIENT_H