import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  ManyToOne,
  JoinColumn,
  Index,
} from 'typeorm';
import { User } from '../../users/entities/user.entity';
import { Store } from '../../stores/entities/store.entity';
import { InventoryItem } from '../../inventory/entities/inventory-item.entity';

export enum CorrectionType {
  QUANTITY = 'QUANTITY',
  SKU = 'SKU',
  CONFIRMATION = 'CONFIRMATION',
}

@Entity('corrections')
@Index(['inventoryItemId'])
@Index(['userId'])
@Index(['storeId'])
@Index(['type', 'createdAt'])
export class Correction {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column('uuid')
  inventoryItemId: string;

  @Column('uuid')
  userId: string;

  @Column('uuid')
  storeId: string;

  @Column({
    type: 'enum',
    enum: CorrectionType,
  })
  type: CorrectionType;

  @Column('jsonb')
  previousValue: Record<string, any>;

  @Column('jsonb')
  newValue: Record<string, any>;

  @Column({ type: 'varchar', length: 255, nullable: true })
  reason?: string;

  @CreateDateColumn()
  createdAt: Date;

  @ManyToOne(() => InventoryItem, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'inventoryItemId' })
  inventoryItem: InventoryItem;

  @ManyToOne(() => User)
  @JoinColumn({ name: 'userId' })
  user: User;

  @ManyToOne(() => Store)
  @JoinColumn({ name: 'storeId' })
  store: Store;
}