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

@Injectable()
export class IndexItemRatesManager extends BaseIndexManager<ItemRateEntity> {
  async prepareData(): Promise<void> {
    this.filterParam.order_by = `season_period.id`;
    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: ['season_period', 'season_period.season_type'],

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

  get selects(): string[] {
    return [
      `${this.tableName}.id`,
      `${this.tableName}.item_id`,
      `${this.tableName}.price`,

      `season_period.id`,
      `season_period.priority`,
      `season_period.created_at`,
      `season_period.creator_name`,
      `season_period.editor_name`,
      `season_period.updated_at`,
      `season_period.status`,
      `season_period.start_date`,
      `season_period.end_date`,
      `season_period.days`,
      `season_period.holiday_name`,

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

  get specificFilter(): Param[] {
    return [];
  }

  setQueryFilter(
    queryBuilder: SelectQueryBuilder<ItemRateEntity>,
  ): SelectQueryBuilder<ItemRateEntity> {
    if (this.filterParam.item_ids) {
      queryBuilder.andWhere(`${this.tableName}.item_id In (:...itemIds)`, {
        itemIds: this.filterParam.item_ids,
      });
    }

    if (this.filterParam.season_period_ids) {
      queryBuilder.andWhere(`season_period.id In (:...itemIds)`, {
        itemIds: this.filterParam.season_period_ids,
      });
    }

    if (this.filterParam.start_date) {
      queryBuilder.andWhere(`season_period.start_date < :inputStartDate`, {
        inputStartDate: this.filterParam.end_date,
      });

      queryBuilder.andWhere(`season_period.end_date > :inputEndDate`, {
        inputEndDate: this.filterParam.start_date,
      });
    }

    queryBuilder.addOrderBy('season_period.priority', 'ASC');

    return queryBuilder;
  }
}