import { Transform } from 'class-transformer';
import {
  IsEnum,
  IsISO8601,
  IsOptional,
  IsString,
  MaxLength,
} from 'class-validator';
import { AssetDataOrigin } from '../../database/entities';

const nullableTrim = ({ value }: { value: unknown }) =>
  typeof value === 'string' ? value.trim() || null : value;

export class UpdateAssetProvenanceDto {
  @IsEnum(AssetDataOrigin)
  origin!: AssetDataOrigin;

  @IsOptional()
  @Transform(nullableTrim)
  @IsString()
  @MaxLength(160)
  sourceName?: string | null;

  @IsOptional()
  @Transform(nullableTrim)
  @IsString()
  @MaxLength(255)
  sourceReference?: string | null;

  @IsOptional()
  @IsISO8601({ strict: true })
  observedAt?: string | null;

  @IsOptional()
  @Transform(nullableTrim)
  @IsString()
  @MaxLength(4000)
  notes?: string | null;
}