/**
 * In-Memory Implementation: ISponsorRepository
 * 
 * Mock repository for testing and development
 */

import type { Sponsor } from '../../domain/entities/Sponsor';
import type { ISponsorRepository } from '../../domain/repositories/ISponsorRepository';

export class InMemorySponsorRepository implements ISponsorRepository {
  private sponsors: Map<string, Sponsor> = new Map();

  async findById(id: string): Promise<Sponsor | null> {
    return this.sponsors.get(id) ?? null;
  }

  async findAll(): Promise<Sponsor[]> {
    return Array.from(this.sponsors.values());
  }

  async findByEmail(email: string): Promise<Sponsor | null> {
    for (const sponsor of this.sponsors.values()) {
      if (sponsor.contactEmail === email) {
        return sponsor;
      }
    }
    return null;
  }

  async create(sponsor: Sponsor): Promise<Sponsor> {
    if (this.sponsors.has(sponsor.id)) {
      throw new Error('Sponsor with this ID already exists');
    }
    this.sponsors.set(sponsor.id, sponsor);
    return sponsor;
  }

  async update(sponsor: Sponsor): Promise<Sponsor> {
    if (!this.sponsors.has(sponsor.id)) {
      throw new Error('Sponsor not found');
    }
    this.sponsors.set(sponsor.id, sponsor);
    return sponsor;
  }

  async delete(id: string): Promise<void> {
    this.sponsors.delete(id);
  }

  async exists(id: string): Promise<boolean> {
    return this.sponsors.has(id);
  }

  /**
   * Seed initial data
   */
  seed(sponsors: Sponsor[]): void {
    for (const sponsor of sponsors) {
      this.sponsors.set(sponsor.id, sponsor);
    }
  }

  // Test helper
  clear(): void {
    this.sponsors.clear();
  }
}