import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
import { Type } from "class-transformer";
import { ArrayMinSize, IsArray, IsOptional, IsString, IsUUID, Length, ValidateNested } from "class-validator";

export class BulkCancelEimsItemDto {
  @ApiProperty({ description: "Invoice ID to cancel." })
  @IsUUID()
  invoiceId!: string;

  @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;
}

/** `POST invoices/eims/bulk-cancel` body — see `EimsCancellationService.cancelBulkWithEims`. */
export class BulkCancelEimsRegistrationDto {
  @ApiProperty({ type: [BulkCancelEimsItemDto] })
  @IsArray()
  @ArrayMinSize(1)
  @ValidateNested({ each: true })
  @Type(() => BulkCancelEimsItemDto)
  items!: BulkCancelEimsItemDto[];
}