import { SignupWithEmailUseCase } from '@core/identity/application/use-cases/SignupWithEmailUseCase';
import { CreateAchievementUseCase } from '@core/identity/application/use-cases/achievement/CreateAchievementUseCase';
import type { Logger } from '@core/shared/application';

import {
  DRIVER_ACHIEVEMENTS,
  STEWARD_ACHIEVEMENTS,
  ADMIN_ACHIEVEMENTS,
  COMMUNITY_ACHIEVEMENTS,
} from '@core/identity/domain/AchievementConstants';


export class EnsureInitialData {
  constructor(
    private readonly signupUseCase: SignupWithEmailUseCase,
    private readonly createAchievementUseCase: CreateAchievementUseCase,
    private readonly logger: Logger,
  ) {}

  async execute(): Promise<void> {
    // Ensure initial admin user exists
    const signupResult = await this.signupUseCase.execute({
      email: 'admin@gridpilot.local',
      password: 'admin123',
      displayName: 'Admin',
    });

    if (signupResult.isOk()) {
      this.logger.info('[Bootstrap] Initial admin user created');
    } else if (signupResult.error?.code === 'EMAIL_ALREADY_EXISTS') {
      this.logger.info('[Bootstrap] Admin user already exists');
    } else {
      const detailsMessage =
        signupResult.error && typeof signupResult.error === 'object' && 'details' in signupResult.error
          ? (signupResult.error as { details?: { message?: string } }).details?.message
          : undefined;

      throw new Error(detailsMessage ?? 'Failed to ensure initial admin user');
    }

    // Ensure initial achievements exist
    const allAchievements = [
      ...DRIVER_ACHIEVEMENTS,
      ...STEWARD_ACHIEVEMENTS,
      ...ADMIN_ACHIEVEMENTS,
      ...COMMUNITY_ACHIEVEMENTS,
    ];

    let createdCount = 0;
    let existingCount = 0;

    for (const achievementProps of allAchievements) {
      try {
        await this.createAchievementUseCase.execute(achievementProps);
        createdCount++;
      } catch {
        // If achievement already exists, that's fine
        existingCount++;
      }
    }

    this.logger.info(`[Bootstrap] Achievements: ${createdCount} created, ${existingCount} already exist`);
  }
}