/*
* 86Box	A hypervisor and IBM PC system emulator that specializes in
*		running old operating systems and software designed for IBM
*		PC systems and compatibles from 1981 through fairly recent
*		system designs based on the PCI bus.
*
*		This file is part of the 86Box distribution.
*
*		Header for 86Box VM manager server socket module
*
*
*
* Authors:	cold-brewed
*
*		Copyright 2024 cold-brewed
 */

#ifndef QT_VMMANAGER_SERVERSOCKET_H
#define QT_VMMANAGER_SERVERSOCKET_H

#include <QFileInfo>
#include <QLocalServer>
#include <QLocalSocket>
#include <QWidget>
#include <QJsonObject>
#include "qt_vmmanager_protocol.hpp"

// This macro helps give us the required `qHash()` function in order to use the
// enum as a hash key
#define QHASH_FOR_CLASS_ENUM(T) \
inline uint qHash(const T &t, uint seed) { \
    return ::qHash(static_cast<typename std::underlying_type<T>::type>(t), seed); \
}

class VMManagerServerSocket : public QWidget {

    Q_OBJECT

public:

    enum class ServerType {
        Standard,
        Legacy,
    };
    // This macro allows us to do a reverse lookup of the enum with `QMetaEnum`
    Q_ENUM(ServerType)

    QHASH_FOR_CLASS_ENUM(ServerType)

    explicit VMManagerServerSocket(const QFileInfo &config_path, ServerType type = ServerType::Standard);
    ~VMManagerServerSocket() override;

    QFileInfo socket_path;
    QFileInfo config_file;

    QLocalServer *server;
    QLocalSocket *socket;
    ServerType    server_type;
    bool serverIsRunning;

    // Server functions
    bool startServer();
    void serverConnectionReceived();
    void serverReceivedMessage();
    void serverSendMessage(VMManagerProtocol::ManagerMessage protocol_message, const QStringList& arguments = QStringList()) const;
    static void serverDisconnected();
    void jsonReceived(const QJsonObject &json);
    QString getSocketPath() const;

    static QString serverTypeToString(ServerType server_type_lookup);

    void setupVars();

signals:
    void dataReceived();
    void windowStatusChanged(int status);
    void runningStatusChanged(VMManagerProtocol::RunningState state);
    void configurationChanged();
    void winIdReceived(WId id);


};

#endif // QT_VMMANAGER_SERVERSOCKET_H