import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
import { IsOptional, IsString, Length } from "class-validator";

/** `POST /v1/cancel` body — `ReasonCode`/`Remark` are the collection's own field names. */
export class CancelEimsRegistrationDto {
  @ApiProperty({
    description: 'Numeric reason code, e.g. "1" (Duplicate), "6" (Calculation Error).',
    example: "1",
  })
  @IsString()
  @Length(1, 8)
  reasonCode!: string;

  @ApiPropertyOptional({ description: "Free-text cancellation note.", example: "Duplicate submission" })
  @IsOptional()
  @IsString()
  @Length(0, 500)
  remark?: string;
}