// WASM loader for Rhai CodeMirror mode
import init, { RhaiMode, init_codemirror_pass } from '@/wasm/rhai-codemirror/rhai_codemirror.js';

let wasmInitialized = false;
let wasmModule: any = null;

export const loadRhaiWasm = async () => {
  if (wasmInitialized) {
    return wasmModule;
  }

  try {
    // Initialize the WASM module
    wasmModule = await init();
    wasmInitialized = true;

    return wasmModule;
  } catch (error) {
    console.error('Failed to load Rhai WASM module:', error);
    throw error;
  }
};

export const initRhaiMode = (CodeMirror: any) => {
  if (!wasmInitialized || !wasmModule) {
    throw new Error('WASM module not loaded. Call loadRhaiWasm() first.');
  }

  // Initialize CodeMirror Pass for the WASM module
  init_codemirror_pass(CodeMirror.Pass);

  // Define the Rhai mode using the WASM-based RhaiMode
  CodeMirror.defineMode("rhai", (config: any) => {
    return new RhaiMode(config.indentUnit || 4);
  });
};

export { RhaiMode };