#ifndef GPU_HPP
#define GPU_HPP

#include <cstdint>
#include <fstream>
#include <gpu_metrics.hpp>
#include <print>
#include <string>
#include <utils.hpp>

#define REL_METRICS_PATH "/../../gpu_metrics" // gpu_metrics path relative to hwmon path
#define MAX_METRICS_LENGTH 512 // length of the metrics buffer

/* should refactor this struct so its a little cleaner and closer to gpu_metrics */
/* clean abstraction for gpu_metrics or metrics in filesystem in sane units */

namespace gpu {

struct gpuSensors {
    std::string hwmon = "";
    bool hasGpuMetrics = false;

    float vcore = 0.0f;

    uint16_t clock_core = 0;
    uint16_t clock_mem = 0;

    uint8_t fan_pwm = 0;
    uint16_t fan_speed = 0;

    uint16_t power_avg = 0;
    uint16_t power_cap = 0;
    uint16_t power_cap_max = 0;

    uint8_t temp_edge = 0;
    uint8_t temp_hotspot = 0;
    uint8_t temp_mem = 0;
    uint8_t temp_vrm_gfx = 0;
    uint8_t temp_vrm_soc = 0;
    uint8_t temp_vrm_mem = 0;

    uint8_t usage_core = 0;
    uint8_t usage_media = 0;
    uint8_t usage_umc = 0;

    uint64_t vram_used = 0;
    uint64_t vram_total = 0;
};

void detectHwmon(gpuSensors* target, std::string pci);
void update(gpuSensors* g);

}  // namespace gpu

// class ThrottleStatus(IntFlag):
//     # linux/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
//     PPT0 = 1 << 0
//     PPT1 = 1 << 1
//     PPT2 = 1 << 2
//     PPT3 = 1 << 3
//     SPL = 1 << 4
//     FPPT = 1 << 5
//     SPPT = 1 << 6
//     SPPT_APU = 1 << 7
//     TDC_GFX = 1 << 16
//     TDC_SOC = 1 << 17
//     TDC_MEM = 1 << 18
//     TDC_VDD = 1 << 19
//     TDC_CVIP = 1 << 20
//     EDC_CPU = 1 << 21
//     EDC_GFX = 1 << 22
//     APCC = 1 << 23
//     TEMP_GPU = 1 << 32
//     TEMP_CORE = 1 << 33
//     TEMP_MEM = 1 << 34
//     TEMP_EDGE = 1 << 35
//     TEMP_HOTSPOT = 1 << 36
//     TEMP_SOC = 1 << 37
//     TEMP_VR_GFX = 1 << 38
//     TEMP_VR_SOC = 1 << 39
//     TEMP_VR_MEM0 = 1 << 40
//     TEMP_VR_MEM1 = 1 << 41
//     TEMP_LIQUID0 = 1 << 42
//     TEMP_LIQUID1 = 1 << 43
//     VRHOT0 = 1 << 44
//     VRHOT1 = 1 << 45
//     PROCHOT_CPU = 1 << 46
//     PROCHOT_GFX = 1 << 47
//     PPM = 1 << 56
//     FIT = 1 << 57

#endif