Snakes-And-Ladders/src/game/player.ts

import { Game } from "./game.js";
import { GameError } from "./errors/game_error.js";
import { NotParticipatingError } from "./errors/not_participating_error.js";

export class Player {
  public games: Game[] = [];
  private rollCount = 0;

  constructor(public playerId: number) {}

  get rolls() {
    return this.rollCount;
  }

  join(game: Game) {
    if (this.games.includes(game)) {
      throw new GameError(
        `Player: ${this.playerId} attempted to join the same game multiple ` +
          `times`
      );
    }
    this.games.push(game);
  }

  rollDice(game: Game, roll: number) {
    if (!this.games.includes(game)) {
      throw new NotParticipatingError(game.gameId, this.playerId, "roll dice");
    }

    this.rollCount++;
    game.rollDice(this, roll);
  }
}