import { Phase, PlayerActions } from "./enums";
import { assert } from "./utils";

const valid_actions = Object.values(PlayerActions);

class InputHandler {
  /**
   * Handles input relating to the player's game actions.
   * @class
   * @property {import('./game.js').GameState} game_state - The game state this handler manipulates
   * @property {import('./Time.js').Time} time - The time manager for the current game loop
   * 
   * The InputHandler manages player events (clicks, keystrokes, etc.).
   * It validates actions, updates game state, and interacts with the time system as needed.
   */
  game_state;
  time;
  constructor(game_state, time) {
    this.game_state = game_state;
    this.time = time;
  }

  setup() {
    document.addEventListener("click", this.handleClickEvent);
  }

  /**
   * Click handler
   * @param {Event} e 
   * @returns 
   */
  handleClickEvent(e) {
    if (!e.target) return;
    const el = /** @type {Element} */ (e.target)

    const target = /** @type {HTMLElement | null} */ (el.closest("[data-action]"));
    assert(!!target, "there must be a valid target");

    const action = target?.dataset?.action ?? "";
    switch (action) {
      case PlayerActions.OPEN:
        this.game_state.time.phase = Phase.OPEN;
        break;
      case PlayerActions.CLOSE:
        this.game_state.time.phase = Phase.CLOSE;
        break;
      
    }
  }
}