import { repeat } from 'lodash';
import { toSafeNumber } from 'utils';

/**
 * Retrieve item entry total from the given rate, quantity and discount.
 * @param {number} rate
 * @param {number} quantity
 * @param {number} discount
 * @return {number}
 */
export const calcItemEntryTotal = (discount, quantity, rate) => {
  const _quantity = toSafeNumber(quantity);
  const _rate = toSafeNumber(rate);
  const _discount = toSafeNumber(discount);

  return _quantity * _rate - (_quantity * _rate * _discount) / 100;
};

/**
 * Updates the items entries total.
 */
export function updateItemsEntriesTotal(rows) {
  return rows.map((row) => ({
    ...row,
    total: calcItemEntryTotal(row.discount, row.quantity, row.rate),
  }));
}

export const ITEM_TYPE = {
  SELLABLE: 'SELLABLE',
  PURCHASABLE: 'PURCHASABLE',
};