import { Transform } from 'class-transformer';
import { IsEmail, IsIn, IsOptional, IsString, MaxLength, MinLength } from 'class-validator';
import { MIN_PASSWORD_LENGTH } from '../../../common/auth/password';

export class CreateUserDto {
  @Transform(({ value }) => (typeof value === 'string' ? value.trim().toLowerCase() : value))
  @IsEmail()
  @MaxLength(320)
  email!: string;

  @IsString()
  @MinLength(MIN_PASSWORD_LENGTH)
  @MaxLength(200)
  password!: string;

  @IsOptional()
  @IsString()
  @MaxLength(120)
  displayName?: string;

  @IsOptional()
  @IsIn(['USER', 'ADMIN'])
  role?: 'USER' | 'ADMIN';
}