import { Control, Sensors, Core } from "./capabilities";
import { deepFreeze } from "../utils";

const DeviceType = Object.freeze({
  HEART_RATE: "heart_rate",
  CADENCE: "cadence",
  TRAINER: "trainer",
  UNKNOWN: "unknown",
});

export class Device {
  constructor({
    id,
    name,
    type,
    core,
    sensors,
    control,
    connected = false,
    lastSeen,
  } = {}) {
    if (!id) throw new Error("Device requires id");
    this.id = id;
    this.name = name || id;
    this.type = type;
    this.core = core instanceof Core ? core : core ? new Core(core) : undefined;
    this.sensors =
      sensors instanceof Sensors
        ? sensors
        : sensors
          ? new Sensors(sensors)
          : undefined;
    this.control =
      control instanceof Control
        ? control
        : control
          ? new Control(control)
          : undefined;
    this.connected = Boolean(connected);
    this.lastSeen = lastSeen;
    deepFreeze(this);
  }

  withCore = (partial) =>
    new Device(
      Object.assign({}, this, {
        core: this.core ? this.core.merge(partial) : new Core(partial),
      }),
    );
  withSensors = (partial) =>
    new Device(
      Object.assign({}, this, {
        sensors: this.sensors
          ? this.sensors.merge(partial)
          : new Sensors(partial),
      }),
    );
  withControl = (partial) =>
    new Device(
      Object.assign({}, this, {
        control: this.control
          ? this.control.merge(partial)
          : new Control(partial),
      }),
    );
}