/**
 * Infrastructure Adapter: InMemoryGameRepository
 * 
 * In-memory implementation of IGameRepository.
 */

import { Game } from '../../domain/entities/Game';
import type { IGameRepository } from '../../domain/repositories/IGameRepository';
import type { ILogger } from '@gridpilot/shared/logging/ILogger';

export class InMemoryGameRepository implements IGameRepository {
  private games: Map<string, Game>;
  private readonly logger: ILogger;

  constructor(logger: ILogger, seedData?: Game[]) {
    this.logger = logger;
    this.logger.info('InMemoryGameRepository initialized.');
    this.games = new Map();
    
    if (seedData) {
      seedData.forEach(game => {
        this.games.set(game.id, game);
        this.logger.debug(`Seeded game: ${game.id}.`);
      });
    } else {
      // Default seed data for common sim racing games
      const defaultGames = [
        Game.create({ id: 'iracing', name: 'iRacing' }),
        Game.create({ id: 'acc', name: 'Assetto Corsa Competizione' }),
        Game.create({ id: 'ac', name: 'Assetto Corsa' }),
        Game.create({ id: 'rf2', name: 'rFactor 2' }),
        Game.create({ id: 'ams2', name: 'Automobilista 2' }),
        Game.create({ id: 'lmu', name: 'Le Mans Ultimate' }),
      ];
      defaultGames.forEach(game => {
        this.games.set(game.id, game);
        this.logger.debug(`Seeded default game: ${game.id}.`);
      });
    }
  }

  async findById(id: string): Promise<Game | null> {
    this.logger.debug(`Finding game by id: ${id}`);
    try {
      const game = this.games.get(id) ?? null;
      if (game) {
        this.logger.info(`Found game: ${id}.`);
      } else {
        this.logger.warn(`Game with id ${id} not found.`);
      }
      return game;
    } catch (error) {
      this.logger.error(`Error finding game by id ${id}:`, error);
      throw error;
    }
  }

  async findAll(): Promise<Game[]> {
    this.logger.debug('Finding all games.');
    try {
      const games = Array.from(this.games.values()).sort((a, b) => a.name.localeCompare(b.name));
      this.logger.info(`Found ${games.length} games.`);
      return games;
    } catch (error) {
      this.logger.error('Error finding all games:', error);
      throw error;
    }
  }

  /**
   * Utility method to add a game
   */
  async create(game: Game): Promise<Game> {
    this.logger.debug(`Creating game: ${game.id}`);
    try {
      if (this.games.has(game.id)) {
        this.logger.warn(`Game with ID ${game.id} already exists.`);
        throw new Error(`Game with ID ${game.id} already exists`);
      }
      this.games.set(game.id, game);
      this.logger.info(`Game ${game.id} created successfully.`);
      return game;
    } catch (error) {
      this.logger.error(`Error creating game ${game.id}:`, error);
      throw error;
    }
  }

  /**
   * Test helper to clear data
   */
  clear(): void {
    this.logger.debug('Clearing all games.');
    this.games.clear();
    this.logger.info('All games cleared.');
  }
}