// SPDX-License-Identifier: GPL-3.0-only
// Persistent device configuration in NVS (Preferences). Holds the device id, WiFi
// credentials, the API bearer token, and upload settings (upload is used from M3).
// Secrets live here, never on the SD card in clear.
#pragma once

#include <Arduino.h>

namespace config {

// Open NVS and ensure a stable device id exists (derived from the MAC on first boot).
bool begin();

String deviceId();

String wifiSsid();
String wifiPsk();
void setWifi(const String &ssid, const String &psk);

// Bearer token for mutating API calls. Empty = auth disabled (open on a trusted LAN).
String apiToken();
void setApiToken(const String &token);

// Upload settings (consumed in M3). Getters return stored values or sensible defaults.
String uploadTarget();  // "none" | "s3" | "webdav"
void setUploadTarget(const String &target);

}  // namespace config