import {
  IsArray,
  IsInt,
  IsNumber,
  IsOptional,
  IsString,
  Min,
  ValidateNested,
  ArrayMinSize,
} from 'class-validator';
import { Type } from 'class-transformer';

class CreateRecipeIngredientDto {
  @IsInt()
  productId!: number;

  @IsNumber()
  @Min(0)
  quantity!: number;

  @IsString()
  unit!: string;

  @IsOptional()
  @IsString()
  note?: string;
}

export class CreateRecipeDto {
  @IsString()
  name!: string;

  @IsOptional()
  @IsString()
  description?: string;

  @IsOptional()
  @IsString()
  instructions?: string;

  @IsOptional()
  @IsString()
  imageUrl?: string;

  @IsOptional()
  @IsInt()
  @Min(1)
  servings?: number;

  @IsArray()
  @ArrayMinSize(1)
  @ValidateNested({ each: true })
  @Type(() => CreateRecipeIngredientDto)
  ingredients!: CreateRecipeIngredientDto[];
}