import { IsNumber, IsOptional, IsString, IsUUID, Min } from "class-validator";

/**
 * Generic reservation — product+quantity, no serial selected yet. The
 * first step of the Master Prompt §6.8 flow (reserve → later pick the
 * specific serialized unit → install).
 */
export class CreateReservationDto {
  @IsUUID()
  warehouseId!: string;

  @IsUUID()
  productId!: string;

  @IsNumber()
  @Min(0.001)
  quantity!: number;

  @IsOptional() @IsString() referenceType?: string;
  @IsOptional() @IsUUID() referenceId?: string;
  @IsOptional() @IsString() notes?: string;
}