#include "storage.h"

#include "esp_littlefs.h"
#include "esp_log.h"
#include "esp_vfs.h"

static const char *TAG = "STORAGE";
static const char *LITTLEFS_MOUNT_POINT = "/data";

esp_err_t storage_init(void)
{
  esp_vfs_littlefs_conf_t conf = {
      .base_path = LITTLEFS_MOUNT_POINT,
      .partition_label = "storage",
      .format_if_mount_failed = false,
      .read_only = false,
  };

  esp_err_t ret = esp_vfs_littlefs_register(&conf);

  if (ret != ESP_OK)
  {
    if (ret == ESP_FAIL)
    {
      ESP_LOGE(TAG, "Failed to mount LittleFS or format filesystem");
    }
    else if (ret == ESP_ERR_INVALID_STATE)
    {
      ESP_LOGE(TAG, "ESP_ERR_INVALID_STATE");
    }
    else
    {
      ESP_LOGE(TAG, "Failed to initialize LittleFS: %s", esp_err_to_name(ret));
    }
    return ret;
  }

  size_t total = 0, used = 0;
  ret = esp_littlefs_info(conf.partition_label, &total, &used);
  if (ret == ESP_OK)
  {
    ESP_LOGI(TAG, "LittleFS mounted at %s. Total: %d bytes, Used: %d bytes",
             LITTLEFS_MOUNT_POINT, total, used);
  }
  else
  {
    ESP_LOGE(TAG, "Failed to get LittleFS information");
  }

  return ESP_OK;
}

const char *storage_get_mount_point(void)
{
  return LITTLEFS_MOUNT_POINT;
}