import { IApiRepository } from './IApiRepository';
import { IAuditEntry } from '../types/AuditTypes';
import { EntityType } from '../types/CalendarTypes';

/**
 * MockAuditRepository - Mock API repository for audit entries
 *
 * In production, this would send audit entries to the backend.
 * For development/testing, it just logs the operations.
 */
export class MockAuditRepository implements IApiRepository<IAuditEntry> {
  readonly entityType: EntityType = 'Audit';

  async sendCreate(entity: IAuditEntry): Promise<IAuditEntry> {
    // Simulate API call delay
    await new Promise(resolve => setTimeout(resolve, 100));

    console.log('MockAuditRepository: Audit entry synced to backend:', {
      id: entity.id,
      entityType: entity.entityType,
      entityId: entity.entityId,
      operation: entity.operation,
      timestamp: new Date(entity.timestamp).toISOString()
    });

    return entity;
  }

  async sendUpdate(_id: string, _entity: IAuditEntry): Promise<IAuditEntry> {
    // Audit entries are immutable - updates should not happen
    throw new Error('Audit entries cannot be updated');
  }

  async sendDelete(_id: string): Promise<void> {
    // Audit entries should never be deleted
    throw new Error('Audit entries cannot be deleted');
  }

  async fetchAll(): Promise<IAuditEntry[]> {
    // For now, return empty array - audit entries are local-first
    // In production, this could fetch audit history from backend
    return [];
  }

  async fetchById(_id: string): Promise<IAuditEntry | null> {
    // For now, return null - audit entries are local-first
    return null;
  }
}