import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, Index } from 'typeorm';

/**
 * Idempotency table — tracks Redis Stream message IDs that have been processed.
 * Prevents double-processing on retries.
 */
@Entity({ name: 'referral_processed_events', schema: 'public' })
export class ProcessedEvent {
  @PrimaryGeneratedColumn('uuid')
  id!: string;

  @Column({ name: 'event_id', type: 'varchar', length: 255, unique: true })
  @Index()
  eventId!: string;

  @Column({ name: 'event_type', type: 'varchar', length: 100 })
  eventType!: string;

  @CreateDateColumn({ name: 'processed_at', type: 'timestamptz' })
  processedAt!: Date;
}