import type { TeamStats } from '@adapters/bootstrap/racing/RacingTeamFactory';

/**
 * Global store for team stats that can be populated during seeding
 * and read by the AllTeamsPresenter
 */
export class TeamStatsStore {
  private static instance: TeamStatsStore;
  private statsMap = new Map<string, TeamStats>();

  private constructor() {}

  static getInstance(): TeamStatsStore {
    if (!TeamStatsStore.instance) {
      TeamStatsStore.instance = new TeamStatsStore();
    }
    return TeamStatsStore.instance;
  }

  /**
   * Populate the store with stats (called during seeding)
   */
  loadStats(stats: Map<string, TeamStats>): void {
    this.statsMap.clear();
    stats.forEach((input, teamId) => {
      this.statsMap.set(teamId, input);
    });
  }

  /**
   * Get stats for a specific team
   */
  getTeamStats(teamId: string): TeamStats | null {
    return this.statsMap.get(teamId) ?? null;
  }

  /**
   * Clear all stats (useful for reseeding)
   */
  clear(): void {
    this.statsMap.clear();
  }

  /**
   * Get all stats (for debugging)
   */
  getAllStats(): Map<string, TeamStats> {
    return new Map(this.statsMap);
  }
}