import _flatten from "ramda/src/flatten";
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import { useEffect, useState } from 'react';
import { isAfter, subDays, addDays, subWeeks, addWeeks, isSameDay } from 'date-fns';
import { newDate } from '../dateUtils';
import { useOnBlur } from './useOnBlur';
export var useFocusedDate = function useFocusedDate(_ref) {
  var calendarRef = _ref.calendarRef,
    viewedDate = _ref.viewedDate,
    calendar = _ref.calendar,
    onMonthChange = _ref.onMonthChange,
    dateIsDisabled = _ref.dateIsDisabled,
    onSelectDate = _ref.onSelectDate;
  var _useState = useState(),
    _useState2 = _slicedToArray(_useState, 2),
    focusedDate = _useState2[0],
    setFocusedDate = _useState2[1];
  useOnBlur({
    ref: calendarRef,
    onBlur: function onBlur() {
      return setFocusedDate(undefined);
    }
  });
  useEffect(function () {
    if (focusedDate) {
      var datesInCalendar = _flatten(calendar.dates);
      var inCurrentView = datesInCalendar.some(function (date) {
        return isSameDay(date, focusedDate);
      });
      if (!inCurrentView) {
        if (isAfter(focusedDate, viewedDate)) {
          onMonthChange(viewedDate.getMonth() + 1);
        } else {
          onMonthChange(viewedDate.getMonth() - 1);
        }
      }
    }
  }, [focusedDate]);
  var handleKeyPress = function handleKeyPress(event) {
    event.stopPropagation();
    switch (event.key) {
      case 'ArrowLeft':
        setFocusedDate(subDays(newDate(focusedDate), 1));
        break;
      case 'ArrowRight':
        setFocusedDate(addDays(newDate(focusedDate), 1));
        break;
      case 'ArrowUp':
        setFocusedDate(subWeeks(newDate(focusedDate), 1));
        break;
      case 'ArrowDown':
        setFocusedDate(addWeeks(newDate(focusedDate), 1));
        break;
      case ' ':
      case 'Enter':
        if (focusedDate && !dateIsDisabled(focusedDate)) {
          onSelectDate(focusedDate);
        }
        break;
      default:
        break;
    }
  };
  var handleFocus = function handleFocus(date) {
    return setFocusedDate(date);
  };
  return {
    focusedDate: focusedDate,
    handleFocus: handleFocus,
    handleKeyPress: handleKeyPress
  };
};