import { Injectable, Logger } from '@nestjs/common';
import { Game } from './game';
import { v4 as uuidv4 } from 'uuid';
import { Player } from 'src/players/player';
import { GameNotFoundException } from 'src/exceptions';

@Injectable()
export class GameService {
  private readonly logger = new Logger(GameService.name);
  private readonly games: Map<string, Game> = new Map();

  createLobby(player: Player): Game {
    const gameId = uuidv4();
    const gameCode = uuidv4().slice(-5).toUpperCase();
    const game: Game = new Game(gameId, gameCode, player);
    this.games.set(gameCode, game);
    return game;
  }

  joinGame(player: Player, gameCode: string): Game {
    const game = this.games.get(gameCode);
    if (game === undefined) {
      throw new GameNotFoundException(gameCode);
    }
    game.players.push(player);
    return game;
  }
}