DiagramDesigner/diagramCommunication/include/baseChannel.h

#pragma once

#include <QObject>
#include <QUrl>
#include <QTimer>
#include <QMutex>
#include <QMap>
#include "export.hpp"

class DIAGRAM_DESIGNER_PUBLIC BaseChannel : public QObject
{
    Q_OBJECT

public:
    struct ChannelConfig {
        QString channelId;
        QUrl endpoint;
        int timeout = 10000;           // 超时时间(ms)
        int reconnectInterval = 5000;  // 重连间隔(ms)
        int maxRetries = 3;            // 最大重试次数
        QVariantMap params;            // 自定义参数
    };

    explicit BaseChannel(const ChannelConfig& config, QObject* parent = nullptr);
    virtual ~BaseChannel();

    // 连接管理
    virtual bool connect() = 0;
    virtual bool disconnect() = 0;
    virtual bool isConnected() const = 0;

    // 数据发送
    virtual bool send(const QByteArray& data) = 0;

    // 信息获取
    QString channelId() const { return m_config.channelId; }
    ChannelConfig config() const { return m_config; }
    QUrl endpoint() const { return m_config.endpoint; }
    QString sessionId() const {return m_sessionId;}

    // 控制
    void setAutoReconnect(bool enable);
    bool isAutoReconnect() const { return m_autoReconnect; }

signals:
    void connected(const QString& = "");
    void disconnected(const QString& = "");
    void dataReceived(const QByteArray& data,const QString& = "");
    void errorOccurred(const QString& error,const QString& = "");

protected:
    // 公共方法
    void startReconnectTimer();
    void stopReconnectTimer();
    void reconnect();

    // 工具方法
    QByteArray generateMessageId() const;
    qint64 currentTimestamp() const;

    // 成员变量
    ChannelConfig m_config;
    bool m_autoReconnect = true;
    QString m_sessionId;        //会话id（http无）

private slots:
    void onReconnectTimeout();

private:
    QTimer* m_reconnectTimer = nullptr;
    int m_reconnectCount = 0;
    QMutex m_mutex;
};