import { SignupWithEmailUseCase } from '@core/identity/application/use-cases/SignupWithEmailUseCase';

/**
 * EnsureInitialData - Bootstrap script to ensure initial data exists.
 * Idempotent: Can be run multiple times without issues.
 * Calls core use cases to create initial admin user if not exists.
 */
export class EnsureInitialData {
  constructor(
    private readonly signupUseCase: SignupWithEmailUseCase,
  ) {}

  async execute(): Promise<void> {
    // Ensure initial admin user exists
    try {
      await this.signupUseCase.execute({
        email: 'admin@gridpilot.local',
        password: 'admin123',
        displayName: 'Admin',
      });
      // User created successfully
    } catch (error) {
      if (error instanceof Error && error.message === 'An account with this email already exists') {
        // User already exists, nothing to do
        return;
      }
      // Re-throw other errors
      throw error;
    }

    // Future: Add more initial data creation here
    // e.g., create default league, config, etc.
  }
}