import { Injectable } from '@nestjs/common';
import { ProductStatus } from '@prisma/client';
import { PrismaService } from '../prisma/prisma.service';
import { CreateProductDto } from './dto/create-product.dto';

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

  async list() {
    // TODO: 分页、按分类/状态筛选、价格区间
    return this.prisma.product.findMany({
      where: { status: ProductStatus.ON_SALE },
      orderBy: { createdAt: 'desc' },
    });
  }

  async findOne(id: string) {
    // TODO: 404 处理、浏览量统计
    return this.prisma.product.findUnique({ where: { id } });
  }

  async create(dto: CreateProductDto) {
    // TODO: 校验 categoryId 存在、图片归属
    return this.prisma.product.create({ data: dto });
  }
}