import type { AsyncUseCase } from '@core/shared/application';
import type { Logger } from '@core/shared/application';
import type { IRaceEventRepository } from '../../domain/repositories/IRaceEventRepository';
import type { IDomainEventPublisher } from '@core/shared/domain/IDomainEvent';
import { RaceEventStewardingClosedEvent } from '../../domain/events/RaceEventStewardingClosed';
import { Result } from '@core/shared/result/Result';
import { RacingDomainValidationError } from '../../domain/errors/RacingDomainError';
import type { CloseRaceEventStewardingCommand } from './CloseRaceEventStewardingCommand';
import type { RaceEvent } from '../../domain/entities/RaceEvent';

/**
 * Use Case: CloseRaceEventStewardingUseCase
 *
 * Scheduled job that checks for race events with expired stewarding windows
 * and closes them, triggering final results notifications.
 *
 * This would typically be run by a scheduled job (e.g., every 5 minutes)
 * to automatically close stewarding windows based on league configuration.
 */
export class CloseRaceEventStewardingUseCase
  implements AsyncUseCase<CloseRaceEventStewardingCommand, Result<void, RacingDomainValidationError>>
{
  constructor(
    private readonly logger: Logger,

    private readonly raceEventRepository: IRaceEventRepository,
    private readonly domainEventPublisher: IDomainEventPublisher,
  ) {}

  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  async execute(_command: CloseRaceEventStewardingCommand): Promise<Result<void, RacingDomainValidationError>> {
    try {
      // Find all race events awaiting stewarding that have expired windows
      const expiredEvents = await this.raceEventRepository.findAwaitingStewardingClose();

      for (const raceEvent of expiredEvents) {
        await this.closeStewardingForRaceEvent(raceEvent);
      }

      return Result.ok(undefined);
    } catch (error) {
      this.logger.error('Failed to close race event stewarding', error instanceof Error ? error : new Error(String(error)));
      return Result.err(new RacingDomainValidationError('Failed to close stewarding for race events'));
    }
  }

  private async closeStewardingForRaceEvent(raceEvent: RaceEvent): Promise<void> {
    try {
      // Close the stewarding window
      const closedRaceEvent = raceEvent.closeStewarding();
      await this.raceEventRepository.update(closedRaceEvent);

      // Get list of participating drivers (would need to be implemented)
      const driverIds = await this.getParticipatingDriverIds();

      // Check if any penalties were applied during stewarding
      const hadPenaltiesApplied = await this.checkForAppliedPenalties();

      // Publish domain event to trigger final results notifications
      const event = new RaceEventStewardingClosedEvent({
        raceEventId: raceEvent.id,
        leagueId: raceEvent.leagueId,
        seasonId: raceEvent.seasonId,
        closedAt: new Date(),
        driverIds,
        hadPenaltiesApplied,
      });

      await this.domainEventPublisher.publish(event);

    } catch (error) {
      this.logger.error(`Failed to close stewarding for race event ${raceEvent.id}`, error instanceof Error ? error : new Error(String(error)));
      // TODO: In production, this would trigger alerts/monitoring
    }
  }

  private async getParticipatingDriverIds(): Promise<string[]> {
    // TODO: Implement query for participating driver IDs from race event registrations
    // This would typically involve querying race registrations for the event
    return [];
  }

  private async checkForAppliedPenalties(): Promise<boolean> {
    // TODO: Implement check for applied penalties during stewarding window
    // This would query the penalty repository for penalties related to this race event
    return false;
  }
}