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

export class UpdateProductDto {
  @ApiPropertyOptional()
  @IsOptional()
  @IsInt()
  @Transform(({ value }) => value !== undefined ? parseInt(value, 10) : undefined)
  id?: number;

  @ApiPropertyOptional()
  @IsOptional()
  @IsString()
  name?: string;

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

  @ApiPropertyOptional()
  @IsOptional()
  @IsNumber()
  @Transform(({ value }) => value !== undefined ? parseFloat(value) : undefined)
  price?: number;

  @ApiPropertyOptional()
  @IsOptional()
  @IsString()
  sku?: string;

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

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

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

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

}