/*************************************************************************
 *
 *  This file is part of the ACT library
 *
 *  Copyright (c) 2024 Fabian Posch
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
 *
 **************************************************************************
 */

#ifndef __MONITOR_H__
#define __MONITOR_H__

#define STATUS_CHECK_INTERVAL_MS 1000

#include <thread>
#include <vector>
#include <atomic>
#include <db_types.hpp>
#include <db_client.hpp>
#include "task_interface.hpp"
#include "worker.hpp"

class Monitor {

    public:

    Monitor(
        db::db_credentials_t db_cred, 
        std::vector<std::unique_ptr<Worker>>& workers, 
        TaskInterface& interface,
        volatile std::atomic_bool& all_workers_finished
    );

    bool check_connection();
    void stop_all();
    void start();
    void join();

    private:

    void thread_run();

    std::unique_ptr<std::thread> monitor_thread;
    std::unique_ptr<db::Connection> conn;

    TaskInterface& interface;

    std::vector<std::unique_ptr<Worker>>& workers;
    volatile std::atomic_bool& all_workers_finished;
    volatile std::atomic_bool stop_all_ = std::atomic_bool(false);

};

#endif