import { Transform, Type } from 'class-transformer';
import {
  IsInt,
  IsOptional,
  IsString,
  IsUUID,
  Matches,
  Max,
  MaxLength,
  Min,
  MinLength,
  ValidateIf,
} from 'class-validator';

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

export class CreateInspectionFindingDto {
  @IsOptional()
  @IsUUID('4')
  clientGeneratedId?: string;

  @IsUUID('4')
  assetId!: string;

  @IsOptional()
  @Transform(optionalText)
  @IsUUID('4')
  catalogItemId?: string | null;

  @ValidateIf((value: CreateInspectionFindingDto) => !value.catalogItemId)
  @Transform(optionalText)
  @IsString()
  @MinLength(1)
  @MaxLength(500)
  customTitle?: string | null;

  @IsOptional()
  @Transform(optionalText)
  @IsString()
  @MaxLength(12000)
  customLegalBasis?: string | null;

  @Transform(({ value }) => (typeof value === 'string' ? value.trim() : value))
  @IsString()
  @MinLength(1)
  @MaxLength(20000)
  description!: string;

  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(1)
  @Max(10)
  severity?: number;

  @IsOptional()
  @Transform(optionalText)
  @Matches(/^\d{4}-\d{2}-\d{2}$/)
  correctionDueOn?: string | null;
}