#include "driver/sdspi_host.h"
#include "driver/spi_common.h"
#include "esp_err.h"
#include "esp_log.h"
#include "esp_vfs_fat.h"
#include "sdmmc_cmd.h"
#include "pins.h"

static const char *TAG = "sdspi";

static sdmmc_card_t *card = NULL;

void initSD(void) {
  esp_err_t ret;

  // FAT mount config
  esp_vfs_fat_sdmmc_mount_config_t mount_config = {
      .format_if_mount_failed = false,
      .max_files = 5,
      .allocation_unit_size = 16 * 1024};

  // SPI host (this is correct for SDSPI)
  sdmmc_host_t host = SDSPI_HOST_DEFAULT();

  // SPI bus config
  spi_bus_config_t bus_cfg = {.mosi_io_num = MICROSD_MOSI,
                              .miso_io_num = MICROSD_MISO,
                              .sclk_io_num = MICROSD_CLK,
                              .quadwp_io_num = -1,
                              .quadhd_io_num = -1,
                              .max_transfer_sz = 4000};

  ret = spi_bus_initialize(host.slot, &bus_cfg, SDSPI_DEFAULT_DMA);
  if (ret != ESP_OK) {
    ESP_LOGE(TAG, "SPI bus init failed: %s", esp_err_to_name(ret));
    return;
  }

  // SD card device config (CS pin lives here)
  sdspi_device_config_t slot_config = SDSPI_DEVICE_CONFIG_DEFAULT();
  slot_config.gpio_cs = MICROSD_CS;
  slot_config.host_id = host.slot;

  // Mount filesystem
  ret =
      esp_vfs_fat_sdspi_mount("/sd", &host, &slot_config, &mount_config, &card);
  if (ret != ESP_OK) {
    ESP_LOGE(TAG, "SD mount failed: %s", esp_err_to_name(ret));
    spi_bus_free(host.slot);
    return;
  }

  ESP_LOGI(TAG, "SD card mounted successfully");

  // Optional: print card info
  sdmmc_card_print_info(stdout, card);
}