#include <VUtils/Pool.h>
#include <VUtils/Logging.h>

namespace VUtils {
    Pool::Pool(const char *name) : m_name(name) {
    }

    Pool::~Pool() {
        delete[] m_threads;
    }

    void Pool::setThreadCount(int count) {
        if (m_isCreated) return;
        m_count = count == -1 ? std::thread::hardware_concurrency() : count;
    }

    void Pool::joinFirstThread() {
        if (!m_isCreated) return;
        if (m_threads[0].joinable()) {
            m_threads[0].join();
        }
    }

    void Pool::create(PoolWorker &worker) {
        if (m_isCreated) return;
        m_isCreated = true;
        m_worker = &worker;
        m_threads = new std::thread[m_count];
        for (int i = 0; i < m_count; ++i) {
            m_threads[i] = std::thread(&Pool::execute, this);
        }
        DBG("Created %d Threads for ThreadPool %s", m_count, m_name)
    }

    void Pool::execute() {
        m_worker->run();
    }
}