const { test } = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');

const moduleEntrypoints = [
  'public/js/calculators.js',
  'public/js/clinicalAssistant.js',
  'public/js/notes.js',
  'public/js/wellVisit.js'
];

function readProjectFile(relativePath) {
  return fs.readFileSync(path.join(__dirname, '..', relativePath), 'utf8');
}

test('refactored frontend entrypoints are loaded as modules', () => {
  const indexHtml = readProjectFile('public/index.html');
  moduleEntrypoints.forEach((entrypoint) => {
    const src = '/' + entrypoint.replace(/^public\//, '');
    const pattern = new RegExp('<script\\s+type="module"\\s+src="' + src.replace(/[.*+?^${}()|[\]\\]/g, '\\$&') + '(?:\\?v=[^\"]+)?"><\\/script>');
    assert.match(indexHtml, pattern, `${src} should be loaded as a module`);
  });
});

test('refactored module entrypoints do not use redundant IIFE wrappers', () => {
  moduleEntrypoints.forEach((entrypoint) => {
    const source = readProjectFile(entrypoint);
    assert.doesNotMatch(source, /^\s*\(function\s*\(/m, `${entrypoint} should not open an IIFE wrapper`);
    assert.doesNotMatch(source, /^\s*\}\)\(\);\s*$/m, `${entrypoint} should not close an IIFE wrapper`);
  });
});