import { ApiProperty } from '@nestjs/swagger';
import { IsString, IsNotEmpty, Length, Matches } from 'class-validator';

export class JoinByShareCodeDto {
  @ApiProperty({ 
    description: '分享码（6-12位字符）', 
    example: 'A3K9P2',
    minLength: 6,
    maxLength: 12
  })
  @IsString()
  @IsNotEmpty()
  @Length(6, 12)
  @Matches(/^[A-Z0-9]+$/, { message: '分享码只能包含大写字母和数字' })
  shareCode: string;
}