import type { TaxDefinitionPublicFamily, TaxDefinitionPublicModel } from "@erp/catalogs/api";
import { Tax, type TaxGroup, TaxPercentage } from "@erp/core/api";
import { Result } from "@repo/rdx-utils";

/**
 * Sirve para mapear TaxDefinitionPublicModel a Tax,
 * que es el modelo de dominio que se para proforma e issued-invoices.
 */

export class TaxDefinitionToTaxMapper {
  public toTax(taxDefinition: TaxDefinitionPublicModel): Result<Tax> {
    const group = this.toTaxGroup(taxDefinition.taxFamily);

    if (group.isFailure) {
      return Result.fail(group.error);
    }

    return Tax.create({
      code: taxDefinition.code,
      name: taxDefinition.name,
      rate: TaxPercentage.create({
        value: taxDefinition.rate.value,
      }).data,
      group: group.data,
      calculationBehavior: taxDefinition.calculationBehavior,
    });
  }

  private toTaxGroup(taxFamily: TaxDefinitionPublicFamily): Result<TaxGroup> {
    switch (taxFamily) {
      case "iva":
      case "igic":
      case "ipsi":
      case "retention":
        return Result.ok(taxFamily);

      case "surcharge":
        return Result.ok("surcharge");

      default:
        return Result.fail(new Error(`Unsupported tax family: ${String(taxFamily)}`));
    }
  }
}