declare namespace HomeAssistant {
  interface Entity {
    entity_id: string;
    state: string;
    attributes: Record<string, any>;
    last_changed: string;
    last_updated: string;
    context: {
      id: string;
      parent_id?: string;
      user_id?: string;
    };
  }

  interface Service {
    domain: string;
    service: string;
    target?: {
      entity_id?: string | string[];
      device_id?: string | string[];
      area_id?: string | string[];
    };
    service_data?: Record<string, any>;
  }

  interface WebsocketMessage {
    type: string;
    id?: number;
    [key: string]: any;
  }

  interface AuthMessage extends WebsocketMessage {
    type: "auth";
    access_token: string;
  }

  interface SubscribeEventsMessage extends WebsocketMessage {
    type: "subscribe_events";
    event_type?: string;
  }

  interface StateChangedEvent {
    event_type: "state_changed";
    data: {
      entity_id: string;
      new_state: Entity | null;
      old_state: Entity | null;
    };
    origin: string;
    time_fired: string;
    context: {
      id: string;
      parent_id?: string;
      user_id?: string;
    };
  }

  interface Config {
    latitude: number;
    longitude: number;
    elevation: number;
    unit_system: {
      length: string;
      mass: string;
      temperature: string;
      volume: string;
    };
    location_name: string;
    time_zone: string;
    components: string[];
    version: string;
  }

  interface ApiError {
    code: string;
    message: string;
    details?: Record<string, any>;
  }
}

export = HomeAssistant;