import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { Transform, Type } from 'class-transformer';
import { IsBoolean, IsDate, IsInt, IsNotEmpty, IsNumber, IsOptional, IsString } from 'class-validator';

export class CreateProductDto {
  @ApiProperty()
  @IsNotEmpty()
  @IsString()
  name!: string;

  @ApiPropertyOptional()
  @IsOptional()
  @IsString()
  description?: string | null;

  @ApiProperty()
  @IsNotEmpty()
  @IsNumber()
  @Transform(({ value }) => parseFloat(value))
  price!: number;

  @ApiProperty()
  @IsNotEmpty()
  @IsString()
  sku!: string;

  @ApiPropertyOptional()
  @IsOptional()
  @IsBoolean()
  inStock?: boolean;

  @ApiPropertyOptional()
  @IsOptional()
  @IsNumber()
  @Transform(({ value }) => parseFloat(value))
  weight?: number | null;

  @ApiPropertyOptional()
  @IsOptional()
  @IsDate()
  @Type(() => Date)
  createdAt?: Date;

  @ApiPropertyOptional()
  @IsOptional()
  @IsInt()
  @Transform(({ value }) => parseInt(value, 10))
  categoryId?: number | null;

}