//
// Created by versustune on 24.02.20.
//

#ifndef ELIYA_THREADPOOL_H
#define ELIYA_THREADPOOL_H


#include <queue>
#include <thread>
#include "../Utils/ProgressBar.h"
#include "FileReader.h"
#include "ThreadSafeDeque.h"

struct ThreadQueueItem {
    ProgressBar *progressBar = nullptr;
    int fileIndex{};
    int status{};
    FileReader *reader = nullptr;
    ThreadQueueItem() = default;
};

class ThreadPool {
private:
    int threadCount = 12;
    std::vector<std::thread*> threads;
    Tsqueue<std::shared_ptr<ThreadQueueItem>> *threadQueue = nullptr;
    std::vector<int> finishedThreads;
public:
    ThreadPool() = default;
    ~ThreadPool() = default;
    void setQueue(Tsqueue<std::shared_ptr<ThreadQueueItem>> *queue);
    void initThreads();
    void start(ProgressBar * progressBar);
protected:
    void execute(int threadNumber);
};


#endif //ELIYA_THREADPOOL_H