#ifndef APP_HPP
#define APP_HPP

#include <atomic>
#include <cpu.hpp>
#include <gpu.hpp>
#include <mutex>
#include <semaphore>
#include <stop_token>
#include <sys.hpp>
#include <vector>
#include <thread>

class Application {

public:
    struct Config {
        uint16_t lcd_interval_ms = 500;
        uint8_t lcd_contrast = 215;

        std::string lcd_port;
        std::string cpu_pciaddr = "0000:00:18.3";
        std::string gpu_pciaddr = "0000:0b:00.0";
        std::string sys_sensor = "nct6775.656";
        std::string sys_ifname = "enp4s0f0";
        std::string home_dir = "/home/drath";
    };

    explicit Application(const Config& config);
    ~Application();
    void Run();

private:
    struct Sensors {
        sys::TimeDate td;
        double avg[3] = {0.0f};
        sys::Memory ram;
        sys::Disk home;
        sys::Network net;
        sys::sysSensors sys;
        cpu::cpuSensors cpu;
        gpu::gpuSensors gpu;
        double hass_state = 0.0f;
        std::mutex mtx;  // making sure the struct isnt accessed by multiple threads at once
    };

    struct Control {
        std::binary_semaphore display{0};
        std::binary_semaphore main{0};
        std::atomic_bool quit{false};
        std::stop_source stop;
    };

    Config m_config; // m_ is member variable
    Control m_control;

    static Application* s_instance;
    static void signalHandler(int);
    static void hassThread(const std::stop_token& st, Sensors& s);
    void sensorsThread(const std::stop_token& st, Sensors& s);
    void displayThread(const std::stop_token& st, Sensors& s);
};

#endif