/*
This file is part of the Notesnook project (https://notesnook.com/)

Copyright (C) 2023 Streetwriters (Private) Limited

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

import { UnionCommands, Editor as TiptapEditor } from "@tiptap/core";
import { Mutex } from "async-mutex";

export type PermissionRequestEvent = CustomEvent<{
  id: keyof UnionCommands;
  silent: boolean;
}>;

export type LinkData = {
  type: "note" | "notebook" | "color" | "tag";
  title?: string;
  metadata?: Record<string, string | undefined>;
};

export class Editor extends TiptapEditor {
  private mutex: Mutex = new Mutex();

  /**
   * Performs editor state changes in a thread-safe manner using a mutex
   * ensuring that all changes are applied sequentially. Use this when
   * you are getting `RangeError: Applying a mismatched transaction` errors.
   */
  threadsafe(callback: (editor: TiptapEditor) => void) {
    return this.mutex.runExclusive(() => (this ? callback(this) : void 0));
  }
}

export function hasPermission(
  id: keyof UnionCommands,
  silent = false
): boolean {
  const event = new CustomEvent("permissionrequest", {
    detail: { id, silent },
    cancelable: true
  });
  return window.dispatchEvent(event);
}
