#ifndef POD_SETTINGS_H
#define POD_SETTINGS_H

#include "bosch456.h"
#include "esp_err.h"
#include <stdbool.h>
#include <stdint.h>

/** Initialize NVS (idempotent) and log stored settings. Call once early in app_main. */
esp_err_t pod_settings_init(void);

/** Persist local accelerometer deadzone (LSB per axis). */
esp_err_t pod_settings_save_accel_deadzone(uint32_t deadzone_lsb);

/** Load deadzone from NVS, or BMA456_DEFAULT_ACCEL_DEADZONE if unset. */
uint32_t pod_settings_load_accel_deadzone(void);

/** Apply NVS deadzone to BMA456 when the sensor is present. */
void pod_settings_apply_accel_deadzone(void);

/** Persist local BMA456 tap detection config. */
esp_err_t pod_settings_save_tap_config(const bma456_tap_config_t *cfg);

/**
 * Load tap config from NVS into *cfg_out.
 * Returns true when a valid blob was loaded; false → compile-time defaults.
 */
bool pod_settings_load_tap_config(bma456_tap_config_t *cfg_out);

/** Apply NVS tap config to BMA456 when the sensor is present. */
void pod_settings_apply_tap_config(void);

/** LiPo under-voltage latch persisted across reboot (software UV protection). */
bool pod_settings_is_uv_latched(void);
esp_err_t pod_settings_set_uv_latched(bool latched);
esp_err_t pod_settings_clear_uv_latched(void);

#endif