// Thin wrapper around CodeMirror 6 for editing a device's Lua script.
// There's no dedicated @codemirror/lang-lua package (verified against
// the npm registry and @codemirror/legacy-modes' source) -- Lua
// highlighting comes from the legacy StreamLanguage-based mode instead.

import { EditorView, basicSetup } from 'codemirror';
import { StreamLanguage } from '@codemirror/language';
import { lua } from '@codemirror/legacy-modes/mode/lua';

const luaLanguage = StreamLanguage.define(lua);

export function createScriptEditor(parent: HTMLElement, initialDoc: string): EditorView {
  return new EditorView({
    parent,
    doc: initialDoc,
    extensions: [basicSetup, luaLanguage],
  });
}

export function getEditorText(view: EditorView): string {
  return view.state.doc.toString();
}

export function setEditorText(view: EditorView, text: string): void {
  view.dispatch({
    changes: { from: 0, to: view.state.doc.length, insert: text },
  });
}