import { z } from "zod/v4";

const TAX_CODE_PATTERN = /^[a-z0-9_]+$/i;
const EMPTY_TAX_SLOT = "#";

export const TaxCombinationCodeSchema = z.string().refine(
  (value) => {
    const parts = value.split(";");

    if (parts.length !== 3) {
      return false;
    }

    return parts.every((part) => {
      return part === EMPTY_TAX_SLOT || TAX_CODE_PATTERN.test(part);
    });
  },
  {
    message: "taxes must use format '<iva_code|#>;<rec_code|#>;<retention_code|#>'",
  }
);

export type TaxCombinationCodeDTO = z.infer<typeof TaxCombinationCodeSchema>;