@accounter/server/src/modules/ledger/helpers/ledger-validation.helper.ts

import { DEFAULT_LOCAL_CURRENCY } from '@shared/constants';
import type { IInsertLedgerRecordsParams } from '../types.js';

export function validateLedgerRecordParams(
  record: IInsertLedgerRecordsParams['ledgerRecords'][number],
) {
  if (!record.creditEntity1 && !record.debitEntity1) {
    throw new Error('Ledger record must have at least one main credit or debit entity');
  }

  if (!record.invoiceDate) {
    throw new Error('Ledger record must have an invoice date');
  }

  if (!record.valueDate) {
    throw new Error('Ledger record must have a value date');
  }

  const credit1AmountIsMissing = !!record.creditEntity1 && !record.creditLocalAmount1;
  const credit2AmountIsMissing = !!record.creditEntity2 && !record.creditLocalAmount2;
  const debit1AmountIsMissing = !!record.debitEntity1 && !record.debitLocalAmount1;
  const debit2AmountIsMissing = !!record.debitEntity2 && !record.debitLocalAmount2;
  if (
    credit1AmountIsMissing ||
    credit2AmountIsMissing ||
    debit1AmountIsMissing ||
    debit2AmountIsMissing
  ) {
    throw new Error('Ledger record financial entity must have an amount');
  }

  if (!record.currency || record.currency === DEFAULT_LOCAL_CURRENCY) {
    const credit1HasForeignAmount = !!record.creditEntity1 && !!record.creditForeignAmount1;
    const credit2HasForeignAmount = !!record.creditEntity2 && !!record.creditForeignAmount2;
    const debit1HasForeignAmount = !!record.debitEntity1 && !!record.debitForeignAmount1;
    const debit2HasForeignAmount = !!record.debitEntity2 && !!record.debitForeignAmount2;
    if (
      credit1HasForeignAmount ||
      credit2HasForeignAmount ||
      debit1HasForeignAmount ||
      debit2HasForeignAmount
    ) {
      throw new Error('Ledger record foreign currency is missing');
    }
  }
}