import React, { Component } from 'react';
import { classNames, ObjectUtils, ZIndexUtils, DomHandler, ConnectedOverlayScrollHandler } from 'primereact/utils';
import { CSSTransition } from 'primereact/csstransition';
import { OverlayService } from 'primereact/overlayservice';
import { Portal } from 'primereact/portal';
import PrimeReact from 'primereact/api';

function _assertThisInitialized(self) {
  if (self === void 0) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return self;
}

function _classCallCheck(instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
}

function _defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor) descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}

function _createClass(Constructor, protoProps, staticProps) {
  if (protoProps) _defineProperties(Constructor.prototype, protoProps);
  if (staticProps) _defineProperties(Constructor, staticProps);
  Object.defineProperty(Constructor, "prototype", {
    writable: false
  });
  return Constructor;
}

function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };

  return _setPrototypeOf(o, p);
}

function _inherits(subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function");
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      writable: true,
      configurable: true
    }
  });
  Object.defineProperty(subClass, "prototype", {
    writable: false
  });
  if (superClass) _setPrototypeOf(subClass, superClass);
}

function _typeof(obj) {
  "@babel/helpers - typeof";

  return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
  }, _typeof(obj);
}

function _possibleConstructorReturn(self, call) {
  if (call && (_typeof(call) === "object" || typeof call === "function")) {
    return call;
  } else if (call !== void 0) {
    throw new TypeError("Derived constructors may only return object or undefined");
  }

  return _assertThisInitialized(self);
}

function _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };
  return _getPrototypeOf(o);
}

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 _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
var SlideMenuSub = /*#__PURE__*/function (_Component) {
  _inherits(SlideMenuSub, _Component);

  var _super = _createSuper(SlideMenuSub);

  function SlideMenuSub(props) {
    var _this;

    _classCallCheck(this, SlideMenuSub);

    _this = _super.call(this, props);
    _this.state = {
      activeItem: null
    };
    return _this;
  }

  _createClass(SlideMenuSub, [{
    key: "onItemClick",
    value: function onItemClick(event, item) {
      if (item.disabled) {
        event.preventDefault();
        return;
      }

      if (!item.url) {
        event.preventDefault();
      }

      if (item.command) {
        item.command({
          originalEvent: event,
          item: item
        });
      }

      if (item.items) {
        this.setState({
          activeItem: item
        });
        this.props.onForward();
      }
    }
  }, {
    key: "renderSeparator",
    value: function renderSeparator(index) {
      return /*#__PURE__*/React.createElement("li", {
        key: 'separator_' + index,
        className: "p-menu-separator"
      });
    }
  }, {
    key: "renderSubmenu",
    value: function renderSubmenu(item) {
      if (item.items) {
        return /*#__PURE__*/React.createElement(SlideMenuSub, {
          model: item.items,
          index: this.props.index + 1,
          menuWidth: this.props.menuWidth,
          effectDuration: this.props.effectDuration,
          onForward: this.props.onForward,
          parentActive: item === this.state.activeItem
        });
      }

      return null;
    }
  }, {
    key: "renderMenuitem",
    value: function renderMenuitem(item, index) {
      var _this2 = this;

      var active = this.state.activeItem === item;
      var className = classNames('p-menuitem', {
        'p-menuitem-active': active,
        'p-disabled': item.disabled
      }, item.className);
      var iconClassName = classNames('p-menuitem-icon', item.icon);
      var submenuIconClassName = 'p-submenu-icon pi pi-fw pi-angle-right';
      var icon = item.icon && /*#__PURE__*/React.createElement("span", {
        className: iconClassName
      });
      var label = item.label && /*#__PURE__*/React.createElement("span", {
        className: "p-menuitem-text"
      }, item.label);
      var submenuIcon = item.items && /*#__PURE__*/React.createElement("span", {
        className: submenuIconClassName
      });
      var submenu = this.renderSubmenu(item);
      var content = /*#__PURE__*/React.createElement("a", {
        href: item.url || '#',
        className: "p-menuitem-link",
        target: item.target,
        onClick: function onClick(event) {
          return _this2.onItemClick(event, item, index);
        },
        "aria-disabled": item.disabled
      }, icon, label, submenuIcon);

      if (item.template) {
        var defaultContentOptions = {
          onClick: function onClick(event) {
            return _this2.onItemClick(event, item, index);
          },
          className: 'p-menuitem-link',
          labelClassName: 'p-menuitem-text',
          iconClassName: iconClassName,
          submenuIconClassName: submenuIconClassName,
          element: content,
          props: this.props,
          active: active
        };
        content = ObjectUtils.getJSXElement(item.template, item, defaultContentOptions);
      }

      return /*#__PURE__*/React.createElement("li", {
        key: item.label + '_' + index,
        className: className,
        style: item.style
      }, content, submenu);
    }
  }, {
    key: "renderItem",
    value: function renderItem(item, index) {
      if (item.separator) return this.renderSeparator(index);else return this.renderMenuitem(item, index);
    }
  }, {
    key: "renderItems",
    value: function renderItems() {
      var _this3 = this;

      if (this.props.model) {
        return this.props.model.map(function (item, index) {
          return _this3.renderItem(item, index);
        });
      }

      return null;
    }
  }, {
    key: "render",
    value: function render() {
      var className = classNames({
        'p-slidemenu-rootlist': this.props.root,
        'p-submenu-list': !this.props.root,
        'p-active-submenu': this.props.parentActive
      });
      var style = {
        width: this.props.menuWidth + 'px',
        left: this.props.root ? -1 * this.props.level * this.props.menuWidth + 'px' : this.props.menuWidth + 'px',
        transitionProperty: this.props.root ? 'left' : 'none',
        transitionDuration: this.props.effectDuration + 'ms',
        transitionTimingFunction: this.props.easing
      };
      var items = this.renderItems();
      return /*#__PURE__*/React.createElement("ul", {
        className: className,
        style: style
      }, items);
    }
  }]);

  return SlideMenuSub;
}(Component);

_defineProperty(SlideMenuSub, "defaultProps", {
  model: null,
  level: 0,
  easing: 'ease-out',
  effectDuration: 250,
  menuWidth: 190,
  parentActive: false,
  onForward: null
});

var SlideMenu = /*#__PURE__*/function (_Component2) {
  _inherits(SlideMenu, _Component2);

  var _super2 = _createSuper(SlideMenu);

  function SlideMenu(props) {
    var _this4;

    _classCallCheck(this, SlideMenu);

    _this4 = _super2.call(this, props);
    _this4.state = {
      level: 0,
      visible: false
    };
    _this4.navigateBack = _this4.navigateBack.bind(_assertThisInitialized(_this4));
    _this4.navigateForward = _this4.navigateForward.bind(_assertThisInitialized(_this4));
    _this4.onEnter = _this4.onEnter.bind(_assertThisInitialized(_this4));
    _this4.onEntered = _this4.onEntered.bind(_assertThisInitialized(_this4));
    _this4.onExit = _this4.onExit.bind(_assertThisInitialized(_this4));
    _this4.onExited = _this4.onExited.bind(_assertThisInitialized(_this4));
    _this4.onPanelClick = _this4.onPanelClick.bind(_assertThisInitialized(_this4));
    _this4.menuRef = /*#__PURE__*/React.createRef();
    return _this4;
  }

  _createClass(SlideMenu, [{
    key: "onPanelClick",
    value: function onPanelClick(event) {
      if (this.props.popup) {
        OverlayService.emit('overlay-click', {
          originalEvent: event,
          target: this.target
        });
      }
    }
  }, {
    key: "navigateForward",
    value: function navigateForward() {
      this.setState({
        level: this.state.level + 1
      });
    }
  }, {
    key: "navigateBack",
    value: function navigateBack() {
      this.setState({
        level: this.state.level - 1
      });
    }
  }, {
    key: "renderBackward",
    value: function renderBackward() {
      var _this5 = this;

      var className = classNames('p-slidemenu-backward', {
        'p-hidden': this.state.level === 0
      });
      return /*#__PURE__*/React.createElement("div", {
        ref: function ref(el) {
          return _this5.backward = el;
        },
        className: className,
        onClick: this.navigateBack
      }, /*#__PURE__*/React.createElement("span", {
        className: "p-slidemenu-backward-icon pi pi-fw pi-chevron-left"
      }), /*#__PURE__*/React.createElement("span", null, this.props.backLabel));
    }
  }, {
    key: "toggle",
    value: function toggle(event) {
      if (this.props.popup) {
        if (this.state.visible) this.hide(event);else this.show(event);
      }
    }
  }, {
    key: "show",
    value: function show(event) {
      var _this6 = this;

      this.target = event.currentTarget;
      var currentEvent = event;
      this.setState({
        visible: true
      }, function () {
        if (_this6.props.onShow) {
          _this6.props.onShow(currentEvent);
        }
      });
    }
  }, {
    key: "hide",
    value: function hide(event) {
      var _this7 = this;

      var currentEvent = event;
      this.setState({
        visible: false
      }, function () {
        if (_this7.props.onHide) {
          _this7.props.onHide(currentEvent);
        }
      });
    }
  }, {
    key: "onEnter",
    value: function onEnter() {
      if (this.props.autoZIndex) {
        ZIndexUtils.set('menu', this.menuRef.current, PrimeReact.autoZIndex, this.props.baseZIndex || PrimeReact.zIndex['menu']);
      }

      DomHandler.absolutePosition(this.menuRef.current, this.target);
    }
  }, {
    key: "onEntered",
    value: function onEntered() {
      this.bindDocumentClickListener();
      this.bindDocumentResizeListener();
      this.bindScrollListener();
    }
  }, {
    key: "onExit",
    value: function onExit() {
      this.target = null;
      this.unbindDocumentClickListener();
      this.unbindDocumentResizeListener();
      this.unbindScrollListener();
    }
  }, {
    key: "onExited",
    value: function onExited() {
      ZIndexUtils.clear(this.menuRef.current);
      this.setState({
        level: 0
      });
    }
  }, {
    key: "bindDocumentClickListener",
    value: function bindDocumentClickListener() {
      var _this8 = this;

      if (!this.documentClickListener) {
        this.documentClickListener = function (event) {
          if (_this8.state.visible && _this8.isOutsideClicked(event)) {
            _this8.hide(event);
          }
        };

        document.addEventListener('click', this.documentClickListener);
      }
    }
  }, {
    key: "isOutsideClicked",
    value: function isOutsideClicked(event) {
      return this.menuRef && this.menuRef.current && !(this.menuRef.current.isSameNode(event.target) || this.menuRef.current.contains(event.target));
    }
  }, {
    key: "bindDocumentResizeListener",
    value: function bindDocumentResizeListener() {
      var _this9 = this;

      if (!this.documentResizeListener) {
        this.documentResizeListener = function (event) {
          if (_this9.state.visible && !DomHandler.isTouchDevice()) {
            _this9.hide(event);
          }
        };

        window.addEventListener('resize', this.documentResizeListener);
      }
    }
  }, {
    key: "unbindDocumentClickListener",
    value: function unbindDocumentClickListener() {
      if (this.documentClickListener) {
        document.removeEventListener('click', this.documentClickListener);
        this.documentClickListener = null;
      }
    }
  }, {
    key: "unbindDocumentResizeListener",
    value: function unbindDocumentResizeListener() {
      if (this.documentResizeListener) {
        window.removeEventListener('resize', this.documentResizeListener);
        this.documentResizeListener = null;
      }
    }
  }, {
    key: "bindScrollListener",
    value: function bindScrollListener() {
      var _this10 = this;

      if (!this.scrollHandler) {
        this.scrollHandler = new ConnectedOverlayScrollHandler(this.target, function (event) {
          if (_this10.state.visible) {
            _this10.hide(event);
          }
        });
      }

      this.scrollHandler.bindScrollListener();
    }
  }, {
    key: "unbindScrollListener",
    value: function unbindScrollListener() {
      if (this.scrollHandler) {
        this.scrollHandler.unbindScrollListener();
      }
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps, prevState) {
      if (this.props.model !== prevProps.model) {
        this.setState({
          level: 0
        });
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this.unbindDocumentClickListener();
      this.unbindDocumentResizeListener();

      if (this.scrollHandler) {
        this.scrollHandler.destroy();
        this.scrollHandler = null;
      }

      ZIndexUtils.clear(this.menuRef.current);
    }
  }, {
    key: "renderElement",
    value: function renderElement() {
      var _this11 = this;

      var className = classNames('p-slidemenu p-component', {
        'p-slidemenu-overlay': this.props.popup
      }, this.props.className);
      var backward = this.renderBackward();
      return /*#__PURE__*/React.createElement(CSSTransition, {
        nodeRef: this.menuRef,
        classNames: "p-connected-overlay",
        "in": !this.props.popup || this.state.visible,
        timeout: {
          enter: 120,
          exit: 100
        },
        options: this.props.transitionOptions,
        unmountOnExit: true,
        onEnter: this.onEnter,
        onEntered: this.onEntered,
        onExit: this.onExit,
        onExited: this.onExited
      }, /*#__PURE__*/React.createElement("div", {
        ref: this.menuRef,
        id: this.props.id,
        className: className,
        style: this.props.style,
        onClick: this.onPanelClick
      }, /*#__PURE__*/React.createElement("div", {
        className: "p-slidemenu-wrapper",
        style: {
          height: this.props.viewportHeight + 'px'
        }
      }, /*#__PURE__*/React.createElement("div", {
        className: "p-slidemenu-content",
        ref: function ref(el) {
          return _this11.slideMenuContent = el;
        }
      }, /*#__PURE__*/React.createElement(SlideMenuSub, {
        model: this.props.model,
        root: true,
        index: 0,
        menuWidth: this.props.menuWidth,
        effectDuration: this.props.effectDuration,
        level: this.state.level,
        parentActive: this.state.level === 0,
        onForward: this.navigateForward
      })), backward)));
    }
  }, {
    key: "render",
    value: function render() {
      var element = this.renderElement();
      return this.props.popup ? /*#__PURE__*/React.createElement(Portal, {
        element: element,
        appendTo: this.props.appendTo
      }) : element;
    }
  }]);

  return SlideMenu;
}(Component);

_defineProperty(SlideMenu, "defaultProps", {
  id: null,
  model: null,
  popup: false,
  style: null,
  className: null,
  easing: 'ease-out',
  effectDuration: 250,
  backLabel: 'Back',
  menuWidth: 190,
  viewportHeight: 175,
  autoZIndex: true,
  baseZIndex: 0,
  appendTo: null,
  transitionOptions: null,
  onShow: null,
  onHide: null
});

export { SlideMenu, SlideMenuSub };