import { ApiPropertyOptional } from '@nestjs/swagger';
import { IsEnum, IsNotEmpty, IsOptional, IsString } from 'class-validator';
import { DocumentEntityType } from '../../../generated/prisma';

/**
 * A document filed against the wrong record can be re-linked instead of
 * deleted and uploaded again, and its display name corrected. The stored file
 * itself is not touched: replacing the content means uploading a new document.
 */
export class UpdateDocumentDto {
  @ApiPropertyOptional({ enum: DocumentEntityType })
  @IsOptional()
  @IsEnum(DocumentEntityType)
  entityType?: DocumentEntityType;

  @ApiPropertyOptional()
  @IsOptional()
  @IsString()
  @IsNotEmpty()
  entityId?: string;

  @ApiPropertyOptional()
  @IsOptional()
  @IsString()
  @IsNotEmpty()
  fileName?: string;
}