import { IsEnum, IsString, Length, ValidateIf } from 'class-validator';

export class SendVerificationCodeDto {
  @IsEnum(['phone', 'email'], { message: '请求类型错误' })
  targetType: 'phone' | 'email';

  @IsEnum(['login'], { message: '请求类型错误' })
  type: 'login';

  @ValidateIf((o) => o.targetType === 'phone')
  @IsString({ message: '手机号必须输入' })
  @Length(11, 11, { message: '手机号异常' }) // 中国大陆，11位数字
  phone?: string;

  @ValidateIf((o) => o.targetType === 'email')
  @IsString({ message: '邮箱必须输入' })
  @Length(6, 254, { message: '邮箱异常' }) // RFC 5321
  email?: string;
}