/** The one place that decides which nodes and marks a note may contain. */

import StarterKit from "@tiptap/starter-kit";
import Underline from "@tiptap/extension-underline";
import Link from "@tiptap/extension-link";
import Placeholder from "@tiptap/extension-placeholder";
import TaskList from "@tiptap/extension-task-list";
import TaskItem from "@tiptap/extension-task-item";
import Table from "@tiptap/extension-table";
import TableRow from "@tiptap/extension-table-row";
import TableHeader from "@tiptap/extension-table-header";
import TableCell from "@tiptap/extension-table-cell";

import { NoteLink } from "./noteLink.js";
import { TextAlign } from "./textAlign.js";
import { Highlight, TextColor } from "./textMarks.js";
import { Pagination } from "./pagination.js";
import { AttachmentImage } from "./attachmentImage.js";

export function buildExtensions({
  search = () => [],
  placeholder = "Start writing...",
  // Where the page ends, read fresh on every measurement so a resize is enough
  // to re-break the text. Absent when there is no page to break against — the
  // static list used for parsing, for one.
  getGeometry = null,
} = {}) {
  return [
    StarterKit.configure({
      heading: { levels: [1, 2, 3] },
      // History is on by default; the drawing layer keeps its own undo stack.
      codeBlock: { HTMLAttributes: { class: "note-code-block" } },
    }),
    Underline,
    Link.configure({
      openOnClick: false, // the app decides what a click does
      autolink: true,
      protocols: ["http", "https", "mailto"],
      HTMLAttributes: { rel: "noopener noreferrer nofollow", target: "_blank" },
    }),
    // allowBase64 stays on so notes written before attachments still render.
    AttachmentImage.configure({ inline: false, allowBase64: true }),
    Placeholder.configure({ placeholder }),
    TaskList,
    TaskItem.configure({ nested: true }),
    Table.configure({ resizable: true, lastColumnResizable: false, allowTableNodeSelection: true }),
    TableRow,
    TableHeader,
    TableCell,
    NoteLink.configure({ search }),
    TextAlign.configure({ types: ["paragraph", "heading"] }),
    // A marker pen and a colour for the letters. Marks rather than a node, so
    // they nest with bold and italic like every other emphasis.
    Highlight,
    TextColor,
    Pagination.configure({ getGeometry }),
  ];
}

/**
 * A static extension list for parsing stored HTML outside of a live editor
 * (`generateJSON`). It must accept everything `buildExtensions` produces, or
 * migrating an old note would silently drop nodes.
 */
export const parsingExtensions = buildExtensions();