import { getWindow } from "ssr-window";
import type { IFormCfg } from "../../../components/form/config/types";
import { getCfg } from "../../../utils/getCfg";
import { defaultCfg, selectors } from "../constants/defaultCfg";

type TFormElement = HTMLFormElement & Partial<{
  handler: IFormCfg["handler"];
}>;

interface IFormExtendedCfg extends IFormCfg {
  form: TFormElement;
  id: string;
  delay: number;
}

/**
 * Получает конфигурацию формы
 * @private
 * @returns {IFormExtendedCfg}
 */
const _getFormExtendedCfg = (form: TFormElement): IFormExtendedCfg => {
  const { id, handler } = form;

  const cfg = getCfg<IFormCfg>(form, selectors.form, defaultCfg);

  if (form.hasAttribute("method")) {
    const nativeMethod = form.getAttribute("method");
    if (nativeMethod !== cfg.method) {
      cfg.method = nativeMethod as IFormCfg["method"];
    }
  }

  if (!cfg.url) {
    cfg.url = (form.hasAttribute("action")) ? form.getAttribute("action") : getWindow().location.origin + getWindow().location.pathname;
  }

  return {
    delay: 0,
    ...cfg,
    form,
    id,
    handler,
  };
};

export type {
  IFormExtendedCfg,
};

export {
  _getFormExtendedCfg,
};