import type { TGetFormInitialValues, TFormValue, TFormValues } from "../config/types";

/**
 * Получает начальные значения формы
 * @returns {TFormValues}
 */
export const getFormInitialValues = ({
  formRows = [],
}: TGetFormInitialValues): TFormValues => {
  type TFieldLike = {
    customComponent?: { props?: { name?: string; value?: unknown; }; };
    input?: { name?: string; value?: unknown; };
  };

  const getData = (fromArr: TFieldLike[]) => {
    return fromArr
      .map(({ customComponent, input }) => {
        const { name, value = "" } = customComponent?.props || input || {};
        return [ name, value as TFormValue ];
      })
      .filter((entry): entry is [ string, TFormValue ] => !!entry[0]);
  };

  const fields = formRows.reduce((acc, { cols = [] }) => {
    return [ ...acc, ...cols.map(({ field }) => ({ ...field })) ];
  }, [] as TFieldLike[]);

  return Object.fromEntries(getData(fields)) as TFormValues;
};