import { ApiProperty } from '@nestjs/swagger';
import { IsNotEmpty, IsArray, ValidateNested, ArrayMinSize } from 'class-validator';
import { Type } from 'class-transformer';
import { AddItemToCartDto } from './add-item.dto';

export class BulkAddItemsToCartDto {
  @ApiProperty({
    description: 'Array of items to add to cart',
    type: [AddItemToCartDto],
    example: [
      { foodId: 'food-123', quantity: 2 },
      { foodId: 'food-456', quantity: 1 },
    ],
  })
  @IsNotEmpty()
  @IsArray()
  @ArrayMinSize(1, { message: 'At least one item is required' })
  @ValidateNested({ each: true })
  @Type(() => AddItemToCartDto)
  items!: AddItemToCartDto[];
}