#include "esp_err.h"
#include "nvs.h"

#include "configuration.h"
#include "power_profiler.h"

void init_configuration_from_nvs(configuration* conf){
  nvs_handle_t handle;
  ESP_ERROR_CHECK(nvs_open("storage", NVS_READONLY, &handle));

  nvs_get_u32(handle, "refresh_delay", &conf->refresh_delay);
  nvs_get_u16(handle, "zero_c_nsamp", &conf->zero_cali_nsamp);
  nvs_get_i32(handle, "range", &conf->range);
  nvs_get_i32(handle, "auto_range", &conf->auto_range);

  for(int i = 0; i < INPUTS_NUM; i++){
    char key[16];
    sprintf(key, "offset%d", i);
    nvs_get_u32(handle, key, &conf->offsets[i]);
  }

  nvs_close(handle);
}

void save_configuration_to_nvs(configuration* conf){
  nvs_handle_t handle;
  ESP_ERROR_CHECK(nvs_open("storage", NVS_READWRITE, &handle));

  nvs_set_u32(handle, "refresh_delay", conf->refresh_delay);
  nvs_set_u16(handle, "zero_c_nsamp", conf->zero_cali_nsamp);
  nvs_set_i32(handle, "range", conf->range);
  nvs_set_i32(handle, "auto_range", conf->auto_range);
  
  for(int i = 0; i < INPUTS_NUM; i++){
    char key[16];
    sprintf(key, "offset%d", i);
    nvs_set_u32(handle, key, conf->offsets[i]);
  }

  ESP_ERROR_CHECK(nvs_commit(handle));

  nvs_close(handle);
}