import { ILeagueRepository } from '@core/racing/domain/repositories/ILeagueRepository';
import { League } from '@core/racing/domain/entities/League';
import { Logger } from '@core/shared/application';

export class InMemoryLeagueRepository implements ILeagueRepository {
  private leagues: Map<string, League> = new Map();

  constructor(private readonly logger: Logger, initialLeagues: League[] = []) {
    this.logger.info('InMemoryLeagueRepository initialized.');
    for (const league of initialLeagues) {
      this.leagues.set(league.id, league);
      this.logger.debug(`Seeded league: ${league.id} (${league.name}).`);
    }
  }

  async findById(id: string): Promise<League | null> {
    this.logger.debug(`[InMemoryLeagueRepository] Finding league by ID: ${id}`);
    const league = this.leagues.get(id) ?? null;
    if (league) {
      this.logger.info(`Found league by ID: ${id}.`);
    } else {
      this.logger.warn(`League with ID ${id} not found.`);
    }
    return Promise.resolve(league);
  }

  async findByOwnerId(ownerId: string): Promise<League[]> {
    this.logger.debug(`[InMemoryLeagueRepository] Finding leagues by owner ID: ${ownerId}`);
    const ownedLeagues = Array.from(this.leagues.values()).filter(league => league.ownerId === ownerId);
    this.logger.info(`Found ${ownedLeagues.length} leagues for owner ID: ${ownerId}.`);
    return Promise.resolve(ownedLeagues);
  }

  async searchByName(name: string): Promise<League[]> {
    this.logger.debug(`[InMemoryLeagueRepository] Searching leagues by name: ${name}`);
    const matchingLeagues = Array.from(this.leagues.values()).filter(league =>
      league.name.toLowerCase().includes(name.toLowerCase()),
    );
    this.logger.info(`Found ${matchingLeagues.length} matching leagues for name search: ${name}.`);
    return Promise.resolve(matchingLeagues);
  }

  async findAll(): Promise<League[]> {
    this.logger.debug('[InMemoryLeagueRepository] Finding all leagues.');
    return Promise.resolve(Array.from(this.leagues.values()));
  }

  async create(league: League): Promise<League> {
    this.logger.debug(`[InMemoryLeagueRepository] Creating league: ${league.id} (${league.name})`);
    if (this.leagues.has(league.id)) {
      this.logger.warn(`League with ID ${league.id} already exists.`);
      throw new Error('League already exists');
    }
    this.leagues.set(league.id, league);
    this.logger.info(`League ${league.id} created successfully.`);
    return Promise.resolve(league);
  }

  async update(league: League): Promise<League> {
    this.logger.debug(`[InMemoryLeagueRepository] Updating league: ${league.id} (${league.name})`);
    if (!this.leagues.has(league.id)) {
      this.logger.warn(`League with ID ${league.id} not found for update.`);
      throw new Error('League not found');
    }
    this.leagues.set(league.id, league);
    this.logger.info(`League ${league.id} updated successfully.`);
    return Promise.resolve(league);
  }

  async delete(id: string): Promise<void> {
    this.logger.debug(`[InMemoryLeagueRepository] Deleting league with ID: ${id}`);
    if (this.leagues.delete(id)) {
      this.logger.info(`League ${id} deleted successfully.`);
    } else {
      this.logger.warn(`League with ID ${id} not found for deletion.`);
    }
    return Promise.resolve();
  }

  async exists(id: string): Promise<boolean> {
    this.logger.debug(`[InMemoryLeagueRepository] Checking existence of league with ID: ${id}`);
    return Promise.resolve(this.leagues.has(id));
  }
}