const test = require('node:test');
const assert = require('node:assert/strict');
const { readFileSync } = require('node:fs');
const { resolve, dirname } = require('node:path');
const Module = require('node:module');
const ts = require('../node_modules/typescript');

const helperPath = resolve(__dirname, '../src/utils/helpers.ts');
const compiled = ts.transpileModule(readFileSync(helperPath, 'utf8'), {
  fileName: helperPath,
  compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
}).outputText;
const helperModule = new Module(helperPath, module);
helperModule.filename = helperPath;
helperModule.paths = Module._nodeModulePaths(dirname(helperPath));
helperModule._compile(compiled, helperPath);
const { dateTime } = helperModule.exports;

test('dateTime uses YY/MM/DD HH:mm:ss with a 24-hour clock', () => {
  const late = new Date(2026, 9, 6, 23, 4, 5);
  const midnight = new Date(2026, 9, 6, 0, 4, 5);

  assert.equal(dateTime(late.toISOString()), '26/10/06 23:04:05');
  assert.equal(dateTime(midnight.toISOString()), '26/10/06 00:04:05');
  assert.equal(dateTime(null), '—');
  assert.equal(dateTime('not-a-date'), 'not-a-date');
});