import { ValidationErrorCollection, ValidationErrorDetail } from "@erp/core/api";
import { UniqueID, UtcDate } from "@repo/rdx-ddd";
import { Result } from "@repo/rdx-utils";
import { CreateCustomerInvoiceCommandDTO } from "../../../common/dto";
import { CustomerInvoiceNumber, CustomerInvoiceProps, CustomerInvoiceSerie } from "../../domain";
import { buildInvoiceItemsFromDTO } from "./build-customer-invoice-items-from-dto";
import { extractOrPushError } from "./extract-or-push-error";

export async function buildInvoiceFromDTO(
  dto: CreateCustomerInvoiceCommandDTO
): Promise<Result<CustomerInvoiceProps, Error>> {
  const errors: ValidationErrorDetail[] = [];

  const invoiceNumber = extractOrPushError(
    CustomerInvoiceNumber.create(dto.invoice_number),
    "invoice_number",
    errors
  );
  const invoiceSeries = extractOrPushError(
    CustomerInvoiceSerie.create(dto.invoice_series),
    "invoice_series",
    errors
  );
  const issueDate = extractOrPushError(UtcDate.createFromISO(dto.issue_date), "issue_date", errors);
  const operationDate = extractOrPushError(
    UtcDate.createFromISO(dto.operation_date),
    "operation_date",
    errors
  );

  // 🔄 Validar y construir los items de factura con helper especializado
  const itemsResult = await buildInvoiceItemsFromDTO(dto.items);
  if (itemsResult.isFailure) {
    return Result.fail(itemsResult.error);
  }

  if (errors.length > 0) {
    return Result.fail(new ValidationErrorCollection(errors));
  }

  return Result.ok({
    id: UniqueID.create(),
    customerId: customerId.data,
    invoiceNumber: invoiceNumber.data,
    invoiceSeries: invoiceSeries.data,
    issueDate: issueDate.data,
    operationDate: operationDate.data,
    subtotalPrice: subtotalPrice.data,
    discount: discount.data,
    tax: tax.data,
    totalAmount: totalAmount.data,
    lines: itemsResult.data,
  });
}