import { IsEmail, IsOptional, IsString } from 'class-validator';

/**
 * Data Transfer Object (DTO) for updating a user
 */
export class UpdateUserDto {
  /**
   * Optional email field with validation rules:
   * - Must be a valid email address
   */
  @IsEmail()
  @IsOptional()
  email?: string;

  /**
   * Optional first name field with validation rules:
   * - Must be a string
   */
  @IsString()
  @IsOptional()
  firstName?: string;

  /**
   * Optional last name field with validation rules:
   * - Must be a string
   */
  @IsString()
  @IsOptional()
  lastName?: string;
}

export default UpdateUserDto;