// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2014-2021, The Monero Project.

#ifndef DAEMONMANAGER_H
#define DAEMONMANAGER_H

#include <memory>

#include <QMutex>
#include <QObject>
#include <QUrl>
#include <QProcess>
#include <QVariantMap>
#include "FutureScheduler.h"

class DaemonManager : public QObject
{
Q_OBJECT

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

    bool start(const QStringList &flags, int port);
    void stop();

    void sendCommandAsync(const QStringList &cmd, std::function<void(QVariantList)> callback) const;
    void exit();
//    QVariantMap validateDataDir(const QString &dataDir) const;

    void setMonerodPath(const QString &path);
    bool isRunning() const;

private:
    bool started();
    bool sendCommand(const QStringList &cmd, QString &message) const;
    bool startWatcher();
    bool stopWatcher();

signals:
    void daemonStarted() const;
    void daemonStopped() const;
    void daemonStartFailure(const QString &error) const;
    void daemonConsoleUpdated(QString message) const;

public slots:
    void printOutput();
    void printError();
    void stateChanged(QProcess::ProcessState state);

private:
    std::unique_ptr<QProcess> m_daemon;
    QMutex m_daemonMutex;
    QString m_monerod;

    bool m_running = false;
    bool m_started = false;
    bool m_app_exit = false;
    int m_port;

    mutable FutureScheduler m_scheduler;
};

#endif // DAEMONMANAGER_H