import { computed, defineComponent, getCurrentInstance, provide, reactive, ref, toRaw, watch, createTextVNode, createVNode, resolveDirective } from "vue";

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread 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 _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

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 _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

import PropTypes from '../_util/vue-types';
import { default as SubPopupMenu } from './SubPopupMenu';
import BaseMixin from '../_util/BaseMixin';
import hasProp, { getOptionProps, getComponent } from '../_util/props-util';
import commonPropsType from './commonPropsType';
import { isEqual } from 'lodash-es';
var Menu = {
  name: 'Menu',
  inheritAttrs: false,
  props: _extends(_extends({}, commonPropsType), {
    onClick: PropTypes.func,
    selectable: PropTypes.looseBool.def(true)
  }),
  mixins: [BaseMixin],
  setup: function setup(props) {
    var menuChildrenInfo = reactive({});
    var selectedKeys = ref(props.selectedKeys || props.defaultSelectedKeys || []);
    var openKeys = ref(props.openKeys || props.defaultOpenKeys || []); //  computed(() => {
    //   return props.openKeys || props.defaultOpenKeys || [];
    // });

    watch(function () {
      return props.selectedKeys;
    }, function () {
      selectedKeys.value = props.selectedKeys;
    });
    watch(function () {
      return props.openKeys;
    }, function () {
      openKeys.value = props.openKeys || [];
    });
    var activeKey = reactive({
      '0-menu-': props.activeKey
    });
    var defaultActiveFirst = reactive({});

    var addChildrenInfo = function addChildrenInfo(key, info) {
      menuChildrenInfo[key] = info;
    };

    var removeChildrenInfo = function removeChildrenInfo(key) {
      delete menuChildrenInfo[key];
    };

    var getActiveKey = function getActiveKey(key) {
      return key;
    }; // TODO


    var selectedParentUniKeys = ref([]);
    watch(menuChildrenInfo, function () {
      var keys = Object.values(menuChildrenInfo).filter(function (info) {
        return info.isSelected;
      }).reduce(function (allKeys, _ref) {
        var _ref$parentUniKeys = _ref.parentUniKeys,
            parentUniKeys = _ref$parentUniKeys === void 0 ? [] : _ref$parentUniKeys;
        return [].concat(_toConsumableArray(allKeys), _toConsumableArray(toRaw(parentUniKeys)));
      }, []);

      if (!isEqual(selectedParentUniKeys.value, keys)) {
        selectedParentUniKeys.value = keys || [];
      }
    });
    var store = reactive({
      selectedKeys: selectedKeys,
      openKeys: openKeys,
      activeKey: activeKey,
      defaultActiveFirst: defaultActiveFirst,
      menuChildrenInfo: menuChildrenInfo,
      selectedParentUniKeys: selectedParentUniKeys,
      addChildrenInfo: addChildrenInfo,
      removeChildrenInfo: removeChildrenInfo,
      getActiveKey: getActiveKey
    });
    var ins = getCurrentInstance();

    var getEl = function getEl() {
      return ins.vnode.el;
    };

    provide('menuStore', store);
    provide('parentMenu', reactive({
      isRootMenu: computed(function () {
        return props.isRootMenu;
      }),
      getPopupContainer: computed(function () {
        return props.getPopupContainer;
      }),
      getEl: getEl
    }));
    return {
      store: store
    };
  },
  methods: {
    handleSelect: function handleSelect(selectInfo) {
      var props = this.$props;

      if (props.selectable) {
        // root menu
        var selectedKeys = this.store.selectedKeys;
        var selectedKey = selectInfo.key;

        if (props.multiple) {
          selectedKeys = selectedKeys.concat([selectedKey]);
        } else {
          selectedKeys = [selectedKey];
        }

        if (!hasProp(this, 'selectedKeys')) {
          this.store.selectedKeys = selectedKeys;
        }

        this.__emit('select', _extends(_extends({}, selectInfo), {
          selectedKeys: selectedKeys
        }));
      }
    },
    handleClick: function handleClick(e) {
      this.__emit('click', e);
    },
    // onKeyDown needs to be exposed as a instance method
    // e.g., in rc-select, we need to navigate menu item while
    // current active item is rc-select input box rather than the menu itself
    onKeyDown: function onKeyDown(e, callback) {
      this.innerMenu.getWrappedInstance().onKeyDown(e, callback);
    },
    onOpenChange: function onOpenChange(event) {
      var openKeys = this.store.openKeys.concat();
      var changed = false;

      var processSingle = function processSingle(e) {
        var oneChanged = false;

        if (e.open) {
          oneChanged = openKeys.indexOf(e.key) === -1;

          if (oneChanged) {
            openKeys.push(e.key);
          }
        } else {
          var index = openKeys.indexOf(e.key);
          oneChanged = index !== -1;

          if (oneChanged) {
            openKeys.splice(index, 1);
          }
        }

        changed = changed || oneChanged;
      };

      if (Array.isArray(event)) {
        // batch change call
        event.forEach(processSingle);
      } else {
        processSingle(event);
      }

      if (changed) {
        if (!hasProp(this, 'openKeys')) {
          this.store.openKeys = openKeys;
        }

        this.__emit('openChange', openKeys);
      }
    },
    handleDeselect: function handleDeselect(selectInfo) {
      var props = this.$props;

      if (props.selectable) {
        var selectedKeys = this.store.selectedKeys.concat();
        var selectedKey = selectInfo.key;
        var index = selectedKeys.indexOf(selectedKey);

        if (index !== -1) {
          selectedKeys.splice(index, 1);
        }

        if (!hasProp(this, 'selectedKeys')) {
          this.store.selectedKeys = selectedKeys;
        }

        this.__emit('deselect', _extends(_extends({}, selectInfo), {
          selectedKeys: selectedKeys
        }));
      }
    },
    getOpenTransitionName: function getOpenTransitionName() {
      var props = this.$props;
      var transitionName = props.openTransitionName;
      var animationName = props.openAnimation;

      if (!transitionName && typeof animationName === 'string') {
        transitionName = "".concat(props.prefixCls, "-open-").concat(animationName);
      }

      return transitionName;
    },
    saveInnerMenu: function saveInnerMenu(ref) {
      this.innerMenu = ref;
    }
  },
  render: function render() {
    var props = _extends(_extends({}, getOptionProps(this)), this.$attrs);

    props.class = props.class ? "".concat(props.class, " ").concat(props.prefixCls, "-root") : "".concat(props.prefixCls, "-root");

    var subPopupMenuProps = _extends(_extends({}, props), {
      itemIcon: getComponent(this, 'itemIcon', props),
      expandIcon: getComponent(this, 'expandIcon', props),
      overflowedIndicator: getComponent(this, 'overflowedIndicator', props) || createVNode("span", null, [createTextVNode("\xB7\xB7\xB7")]),
      openTransitionName: this.getOpenTransitionName(),
      onClick: this.handleClick,
      onOpenChange: this.onOpenChange,
      onDeselect: this.handleDeselect,
      onSelect: this.handleSelect,
      ref: this.saveInnerMenu,
      store: this.store
    });

    return createVNode(SubPopupMenu, subPopupMenuProps, _objectSpread({}, this.$slots));
  }
};
export default defineComponent(Menu);