syntax = "proto3";

package settings;

// WiFi mode enumeration
enum WifiMode {
  WIFI_MODE_UNSPECIFIED = 0;
  WIFI_MODE_STATION = 1;
  WIFI_MODE_AP = 2;
  WIFI_MODE_AP_STATION = 3;
}

// Log level enumeration
enum LogLevel {
  LOG_LEVEL_DEBUG = 0;
  LOG_LEVEL_INFO = 1;
  LOG_LEVEL_WARN = 2;
  LOG_LEVEL_ERROR = 3;
}

// Settings data structure
message SettingsData {
  string sync_server_url = 1;
  string device_api_key = 2;
  uint32 sync_interval_seconds = 3;
  bool auto_sync = 4;
  WifiMode wifi_mode = 5;
  string station_ssid = 6;
  string station_password = 7;
  string ap_ssid = 8;
  string ap_password = 9;
  uint32 ap_channel = 10;
  bool enable_fallback_ap = 11;
  int64 updated_at = 12; // Unix timestamp in milliseconds
  uint32 version = 13; // Settings version for change tracking
  LogLevel log_level = 14;
}

// Request to get current settings
message GetSettingsRequest {
}

// Response with current settings
message GetSettingsResponse {
  SettingsData settings = 1;
}

// Request to update settings
message UpdateSettingsRequest {
  SettingsData settings = 1;
}

// Response to settings update
message UpdateSettingsResponse {
  bool success = 1;
  optional string error = 2;
}