import { Injectable, NotFoundException } from '@nestjs/common';
import { PrismaService } from '../prisma/prisma.service';
import { UpdateOrderStatusDto } from './dto/update-order-status.dto';

@Injectable()
export class OrdersService {
  constructor(private readonly prisma: PrismaService) {}

  list() {
    return this.prisma.order.findMany({
      orderBy: { createdAt: 'desc' },
      select: {
        id: true,
        customerName: true,
        customerPhone: true,
        itemCount: true,
        status: true,
        createdAt: true,
        items: true,
      },
    });
  }

  async findOne(id: number) {
    const order = await this.prisma.order.findUnique({
      where: { id },
      include: { items: true },
    });
    if (!order) {
      throw new NotFoundException('سفارش یافت نشد');
    }
    return order;
  }

  async updateStatus(id: number, dto: UpdateOrderStatusDto) {
    await this.findOne(id);
    return this.prisma.order.update({
      where: { id },
      data: { status: dto.status },
      include: { items: true },
    });
  }
}