// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
// import type { ToolbarItem } from "editor-toolbar/types";

// import * as tr from "lib/i18n";
// import { iconButton, withShortcut } from "editor-toolbar/dynamicComponents";

// import bracketsIcon from "./code-brackets.svg";

// import { forEditorField } from ".";
// import { wrap } from "./wrap";

// const clozePattern = /\{\{c(\d+)::/gu;
// function getCurrentHighestCloze(increment: boolean): number {
//     let highest = 0;

//     forEditorField([], (field) => {
//         const fieldHTML = field.editingArea.editable.fieldHTML;
//         const matches: number[] = [];
//         let match: RegExpMatchArray | null = null;

//         while ((match = clozePattern.exec(fieldHTML))) {
//             matches.push(Number(match[1]));
//         }

//         highest = Math.max(highest, ...matches);
//     });

//     if (increment) {
//         highest++;
//     }

//     return Math.max(1, highest);
// }

// function onCloze(event: KeyboardEvent | MouseEvent): void {
//     const highestCloze = getCurrentHighestCloze(!event.getModifierState("Alt"));
//     wrap(`{{c${highestCloze}::`, "}}");
// }

// export function getClozeButton(): ToolbarItem {
//     return withShortcut({
//         id: "cloze",
//         shortcut: "Control+Shift+KeyC",
//         optionalModifiers: ["Alt"],
//         button: iconButton({
//             icon: bracketsIcon,
//             onClick: onCloze,
//             tooltip: tr.editingClozeDeletion(),
//         }),
//     });
// }