import {STATES} from "../config/constants.js";

export class StateController {
  constructor(initialState = STATES.LOADING, callbacks) {
    this._state = initialState;
    this.callbacks = callbacks;
  }

  get state() {
    return this._state;
  }

  changeState(newState) {
    if (this._state === newState) return;
    this._state = newState;
    if (this.callbacks.onStateChange) {
      this.callbacks.onStateChange(newState);
    }
  }
}