import {
  IsString,
  IsNumber,
  IsOptional,
  Min,
  MaxLength,
} from 'class-validator';
import { ApiPropertyOptional } from '@nestjs/swagger';

export class UpdateInventoryItemDto {
  @ApiPropertyOptional({
    description: 'Nombre del producto',
    example: 'Coca Cola 600ml',
  })
  @IsString()
  @IsOptional()
  @MaxLength(255)
  name?: string;

  @ApiPropertyOptional({
    description: 'Cantidad en stock',
    example: 24,
  })
  @IsNumber()
  @IsOptional()
  @Min(0)
  quantity?: number;

  @ApiPropertyOptional({
    description: 'Categoria',
    example: 'Bebidas',
  })
  @IsString()
  @IsOptional()
  @MaxLength(100)
  category?: string;

  @ApiPropertyOptional({
    description: 'Subcategoria',
    example: 'Refrescos',
  })
  @IsString()
  @IsOptional()
  @MaxLength(100)
  subcategory?: string;

  @ApiPropertyOptional({
    description: 'Codigo de barras',
    example: '7501055303045',
  })
  @IsString()
  @IsOptional()
  @MaxLength(50)
  barcode?: string;

  @ApiPropertyOptional({
    description: 'Stock minimo para alerta',
    example: 5,
  })
  @IsNumber()
  @IsOptional()
  @Min(0)
  minStock?: number;

  @ApiPropertyOptional({
    description: 'Precio de venta',
    example: 18.5,
  })
  @IsNumber()
  @IsOptional()
  @Min(0)
  price?: number;

  @ApiPropertyOptional({
    description: 'Costo',
    example: 12.0,
  })
  @IsNumber()
  @IsOptional()
  @Min(0)
  cost?: number;
}