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

export class SendGroupMessageDto {
  @ApiProperty()
  @IsString()
  @IsNotEmpty()
  groupId: string;

  @ApiProperty()
  @IsString()
  @IsNotEmpty()
  senderId: string;

  @ApiProperty({ example: 'Hello group!' })
  @IsString()
  @IsNotEmpty()
  content: string;

  @ApiProperty({ example: 'text', required: false })
  @IsOptional()
  @IsString()
  messageType?: string;
}