"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = useForm;

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));

var _react = require("react");

var _rcFieldForm = require("rc-field-form");

var _scrollIntoViewIfNeeded = _interopRequireDefault(require("scroll-into-view-if-needed"));

var _util = require("../util");

function toNamePathStr(name) {
  var namePath = (0, _util.toArray)(name);
  return namePath.join('_');
}

function useForm(form) {
  var _useRcForm = (0, _rcFieldForm.useForm)(),
      _useRcForm2 = (0, _slicedToArray2["default"])(_useRcForm, 1),
      rcForm = _useRcForm2[0];

  var itemsRef = (0, _react.useRef)({});
  var wrapForm = (0, _react.useMemo)(function () {
    return form || (0, _extends2["default"])((0, _extends2["default"])({}, rcForm), {
      __INTERNAL__: {
        itemRef: function itemRef(name) {
          return function (node) {
            var namePathStr = toNamePathStr(name);

            if (node) {
              itemsRef.current[namePathStr] = node;
            } else {
              delete itemsRef.current[namePathStr];
            }
          };
        }
      },
      scrollToField: function scrollToField(name) {
        var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
        var namePath = (0, _util.toArray)(name);
        var fieldId = (0, _util.getFieldId)(namePath, wrapForm.__INTERNAL__.name);
        var node = fieldId ? document.getElementById(fieldId) : null;

        if (node) {
          (0, _scrollIntoViewIfNeeded["default"])(node, (0, _extends2["default"])({
            scrollMode: 'if-needed',
            block: 'nearest'
          }, options));
        }
      },
      getFieldInstance: function getFieldInstance(name) {
        var namePathStr = toNamePathStr(name);
        return itemsRef.current[namePathStr];
      }
    });
  }, [form, rcForm]);
  return [wrapForm];
}