import { Injectable } from '@nestjs/common';
import { BaseUpdateManager } from 'src/core/modules/domain/usecase/managers/base-update.manager';
import { ItemEntity } from '../../entities/item.entity';
import { ItemModel } from '../../../data/models/item.model';
import { ItemUpdatedEvent } from '../../entities/event/item-updated.event';
import {
  EventTopics,
  columnUniques,
  validateRelations,
} from 'src/core/strings/constants/interface.constants';

@Injectable()
export class UpdateItemManager extends BaseUpdateManager<ItemEntity> {
  protected oldBasePrice: number;

  async validateProcess(): Promise<void> {
    return;
  }

  async beforeProcess(): Promise<void> {
    this.oldBasePrice = this.oldData.base_price;
    return;
  }

  async afterProcess(): Promise<void> {
    const newBasePrice = this.result.base_price;
    const itemId = this.result.id;

    await this.dataService.updateItemRatePrice(
      this.oldBasePrice,
      newBasePrice,
      itemId,
    );

    if (this.result.breakdown_bundling) {
      this.dataService.updateBreakdownBundling(itemId);
    }
    return;
  }

  get validateRelations(): validateRelations[] {
    return [];
  }

  get uniqueColumns(): columnUniques[] {
    return [];
  }

  get entityTarget(): any {
    return ItemModel;
  }

  get eventTopics(): EventTopics[] {
    return [
      {
        topic: ItemUpdatedEvent,
      },
    ];
  }
}