import { Injectable } from '@nestjs/common';
import { BaseIndexManager } from 'src/core/modules/domain/usecase/managers/base-index.manager';
import { ItemEntity } from '../../entities/item.entity';
import { SelectQueryBuilder } from 'typeorm';
import {
  Param,
  RelationParam,
} from 'src/core/modules/domain/entities/base-filter.entity';

@Injectable()
export class IndexItemManager extends BaseIndexManager<ItemEntity> {
  async prepareData(): Promise<void> {
    return;
  }

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

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

  get relations(): RelationParam {
    return {
      // relation only join (for query purpose)
      joinRelations: [],

      // relation join and select (relasi yang ingin ditampilkan),
      selectRelations: ['item_category', 'bundling_items', 'tenant'],

      // relation yang hanya ingin dihitung (akan return number)
      countRelations: [],
    };
  }

  get selects(): string[] {
    return [
      `${this.tableName}.id`,
      `${this.tableName}.created_at`,
      `${this.tableName}.status`,
      `${this.tableName}.item_type`,
      `${this.tableName}.name`,
      `${this.tableName}.hpp`,
      `${this.tableName}.limit_type`,
      `${this.tableName}.limit_value`,
      `${this.tableName}.base_price`,
      `${this.tableName}.share_profit`,
      `${this.tableName}.breakdown_bundling`,
      `${this.tableName}.play_estimation`,

      `item_category.id`,
      `item_category.name`,

      'bundling_items.id',
      'bundling_items.name',

      'tenant.id',
      'tenant.name',
    ];
  }

  get specificFilter(): Param[] {
    return [
      {
        cols: `${this.tableName}.name`,
        data: this.filterParam.names,
      },
      {
        cols: `${this.tableName}.item_type::text`,
        data: this.filterParam.item_types,
      },
      {
        cols: `${this.tableName}.limit_type::text`,
        data: this.filterParam.limit_types,
      },
      {
        cols: `item_category.name`,
        data: this.filterParam.item_categories,
      },
    ];
  }

  setQueryFilter(
    queryBuilder: SelectQueryBuilder<ItemEntity>,
  ): SelectQueryBuilder<ItemEntity> {
    if (this.filterParam.tenant_ids?.length) {
      queryBuilder.andWhere(`${this.tableName}.tenant_id In (:...tenantIds)`, {
        tenantIds: this.filterParam.tenant_ids,
      });
    } else if (!this.filterParam.all_item) {
      queryBuilder.andWhere(`${this.tableName}.tenant_id Is Null`);
    }

    return queryBuilder;
  }
}