import { EntityManager, EntityRepository, FilterQuery } from '@mikro-orm/postgresql';
import { Injectable } from '@nestjs/common';
import { Ticket } from '../entities/ticket.entity';
import { FindTicketQueryDto } from '../DTO/search-ticket-query.dto';
import { PaginatedResult } from 'src/common/interfaces/pagination.interface';

class FindOrdersOpts extends FindTicketQueryDto {
  orderItemId: number;
};

@Injectable()
export class TicketRepository extends EntityRepository<Ticket> {
  constructor(
    readonly em: EntityManager,
  ) {
    super(em, Ticket);
  }

  async findAllPaginated(opts: FindOrdersOpts): Promise<PaginatedResult<Ticket>> {
    const {
      page = 1,
      limit = 10,
      orderItemId: orderId
    } = opts;

    const offset = (page - 1) * limit;

    const where: FilterQuery<Ticket> = {
      orderItem: { id: orderId }
    };


    const [data, total] = await this.findAndCount(where, {
      limit,
      offset,
      orderBy: { createdAt: 'desc' },
      populate: ['admin', 'user']
    });


    const totalPages = Math.ceil(total / limit);

    return {
      data,
      meta: {
        total,
        page,
        limit,
        totalPages,
      },
    };
  }

}