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import { Plugin, PluginKey, TextSelection } from 'prosemirror-state';
import { EditorView } from 'prosemirror-view';
import { MARK_LINK } from './MarkNames.js';
import { atAnchorTopCenter, createPopUp } from '@modusoperandi/licit-ui-commands';
import LinkTooltip from './ui/LinkTooltip.js';
import scrollIntoView from 'smooth-scroll-into-view-if-needed';
import sanitizeURL from './sanitizeURL.js';
var SPEC = {
  key: new PluginKey('LinkTooltipPlugin'),
  props: {
    handleDOMEvents: {
      mouseover: function mouseover(view, event) {
        var _pluginView$_handleMo;
        var pluginView = view.dom._linkTooltipView;
        return (_pluginView$_handleMo = pluginView === null || pluginView === void 0 ? void 0 : pluginView._handleMouseOver(event)) !== null && _pluginView$_handleMo !== void 0 ? _pluginView$_handleMo : false;
      },
      mouseout: function mouseout(view, event) {
        var pluginView = view.dom._linkTooltipView;
        return pluginView === null || pluginView === void 0 ? void 0 : pluginView._handleMouseOut.call(view, event);
      }
    },
    // https://prosemirror.net/docs/ref/#view.EditorProps.handleClickOn
    handleClickOn: function handleClickOn(view, pos, node, nodePos, event, direct) {
      var _node$marks;
      if (!direct) {
        return false;
      }
      node = view.state.doc.nodeAt(pos);
      if (!node) {
        return false;
      }
      var linkMark = (_node$marks = node.marks) === null || _node$marks === void 0 ? void 0 : _node$marks.find(function (m) {
        var _m$type;
        return (m === null || m === void 0 || (_m$type = m.type) === null || _m$type === void 0 ? void 0 : _m$type.name) === MARK_LINK;
      });
      if (!linkMark) {
        return false;
      }
      var pluginView = view.dom._linkTooltipView;
      return pluginView === null || pluginView === void 0 ? void 0 : pluginView._handleClick(view, linkMark);
    }
  },
  view: function view(editorView) {
    var pluginView = new LinkTooltipView(editorView);
    // Store the instance for use in DOM handlers
    editorView.dom._linkTooltipView = pluginView;
    return pluginView;
  }
};
var LinkTooltipPlugin = /*#__PURE__*/function (_Plugin) {
  function LinkTooltipPlugin() {
    _classCallCheck(this, LinkTooltipPlugin);
    return _callSuper(this, LinkTooltipPlugin, [SPEC]);
  }
  _inherits(LinkTooltipPlugin, _Plugin);
  return _createClass(LinkTooltipPlugin);
}(Plugin);
var LinkTooltipView = /*#__PURE__*/function () {
  function LinkTooltipView(_view) {
    var _this = this;
    _classCallCheck(this, LinkTooltipView);
    _defineProperty(this, "_popup", null);
    _defineProperty(this, "_anchorEl", null);
    _defineProperty(this, "_view", null);
    _defineProperty(this, "openSelectedSection", function (selectionId) {
      if (selectionId) {
        var _this$_view;
        if ((_this$_view = _this._view) !== null && _this$_view !== void 0 && (_this$_view = _this$_view.runtime) !== null && _this$_view !== void 0 && _this$_view.goToInnerLinkSection) {
          _this._view.runtime.goToInnerLinkSection(selectionId);
        }
      }
    });
    _defineProperty(this, "jumpLink", function (view, tocItemPos, href, selectionId) {
      if (selectionId || selectionId === 0 && tocItemPos) {
        _this.jumpInnerLink(view, tocItemPos);
      } else {
        _this._openLink(href);
      }
    });
    _defineProperty(this, "jumpInnerLink", function (view, tocItemPos) {
      var transaction = view.state.tr;
      var tr = transaction.setSelection(TextSelection.create(transaction.doc, tocItemPos.position + 1));
      view.dispatch(tr.scrollIntoView(true));
      var dom = view.domAtPos((tocItemPos === null || tocItemPos === void 0 ? void 0 : tocItemPos.position) + 1).node;
      if (dom !== null && dom !== void 0 && dom.scrollIntoView) {
        dom.scrollIntoView({
          behavior: 'smooth',
          block: 'start'
        });
      }
    });
    _defineProperty(this, "_openLink", function (href) {
      if (_this.isBookMarkHref(href)) {
        var id = href.substr(1);
        var el = document.getElementById(id);
        if (el) {
          var _this$props = _this.props,
            onCancel = _this$props.onCancel,
            editorView = _this$props.editorView;
          onCancel(editorView);
          _asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee() {
            return _regenerator().w(function (_context) {
              while (1) switch (_context.n) {
                case 0:
                  _context.n = 1;
                  return scrollIntoView(el, {
                    scrollMode: 'if-needed',
                    behavior: 'smooth'
                  });
                case 1:
                  return _context.a(2);
              }
            }, _callee);
          }))();
        }
        return;
      }
      var urlObj = new URL(href);
      if (href) {
        var _this$_view2;
        var url = sanitizeURL(href);
        var popupString;
        if (_this._view.editable) {
          popupString = 'Any unsaved changes will be lost';
        } else {
          popupString = '';
        }
        if ((_this$_view2 = _this._view) !== null && _this$_view2 !== void 0 && (_this$_view2 = _this$_view2.runtime) !== null && _this$_view2 !== void 0 && _this$_view2.openLinkDialog && urlObj.hostname !== window.location.hostname) {
          _this._view.runtime.openLinkDialog(url, popupString);
        } else {
          window.open(url, '_blank', 'noopener,noreferrer');
        }
      }
    });
    _defineProperty(this, "isBookMarkHref", function (href) {
      return !!href && href.startsWith('#') && href.length >= 2;
    });
    _defineProperty(this, "getInnerlinkSelected_position", function (view, selectionId) {
      var tocItemPos = null;
      if (selectionId) {
        view.state.tr.doc.descendants(function (node, pos) {
          if (node.attrs.styleName && node.attrs.selectionId === selectionId) {
            tocItemPos = {
              position: pos,
              textContent: node.textContent
            };
          }
        });
      }
      return tocItemPos;
    });
    this._view = _view;
  }
  return _createClass(LinkTooltipView, [{
    key: "_handleMouseOver",
    value: function _handleMouseOver(event) {
      var _event$target,
        _this$_popup,
        _this2 = this;
      var anchor = (_event$target = event.target) === null || _event$target === void 0 ? void 0 : _event$target.closest('a');
      if (!anchor || anchor === this._anchorEl) return;
      this._anchorEl = anchor;
      var href = anchor.getAttribute('href');
      (_this$_popup = this._popup) === null || _this$_popup === void 0 || _this$_popup.close();
      this._popup = createPopUp(LinkTooltip, {
        href: href,
        selectionId: null,
        editorView: this._view
      }, {
        anchor: anchor,
        autoDismiss: true,
        onClose: function onClose() {
          _this2._popup = null;
          _this2._anchorEl = null;
        },
        position: atAnchorTopCenter
      });
    }
  }, {
    key: "_handleClick",
    value: function _handleClick(view, mark) {
      var href = mark.attrs['href'];
      var selectionId = mark.attrs['selectionId'];
      var tocItemPos = null;
      if (selectionId) {
        tocItemPos = this.getInnerlinkSelected_position(view, mark.attrs.selectionId);
        if (null === tocItemPos) {
          this.openSelectedSection(selectionId);
          event.preventDefault(); // prevent default browser navigation
          return true;
        }
      }
      this.jumpLink(view, tocItemPos, href, selectionId);
      event.preventDefault(); // prevent default browser navigation
      return true;
    }
  }, {
    key: "_handleMouseOut",
    value: function _handleMouseOut(event) {
      if (this._anchorEl && !this._anchorEl.contains(event.relatedTarget)) {
        var _this$_popup2;
        (_this$_popup2 = this._popup) === null || _this$_popup2 === void 0 || _this$_popup2.close();
        this._popup = null;
        this._anchorEl = null;
      }
    }
  }, {
    key: "destroy",
    value: function destroy() {
      var _this$_popup3;
      (_this$_popup3 = this._popup) === null || _this$_popup3 === void 0 || _this$_popup3.close();
    }
  }]);
}();
export default LinkTooltipPlugin;