const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const vm = require('node:vm');

test('serial alert keyword saves to the shared rule and survives port switching', async () => {
  const source = fs.readFileSync(require('node:path').join(__dirname, '../frontend/web/static/js/integration.js'), 'utf8');
  const fields = { channel: 'CH01' };
  const calls = [];
  let submit, change;
  const context = {
    form: () => ({}),
    value: (_, name) => fields[name] || '',
    checked: (_, name) => Boolean(fields[name]),
    setValue: (_, name, value) => { fields[name] = value; },
    field: () => ({ addEventListener: (_, fn) => { change = fn; } }),
    fillAlarmDelivery: () => {}, alarmDelivery: () => ['syslog'],
    bindForm: (_, fn) => { submit = fn; },
    api: async (path, options) => {
      if (!options) return [{ rule_id: 'port_ch01_keyword', trigger: '(not configured)', enabled: false }];
      calls.push({ path, body: options.body });
      return {};
    }
  };
  vm.createContext(context);
  await vm.runInContext(source.slice(source.indexOf('  async function alarmSerialEvents()'), source.indexOf('  async function alarmEmailSettings()')) + '\nalarmSerialEvents()', context);
  assert.equal(fields.keywordValue, '');
  fields.keyword = true;
  await assert.rejects(submit(), /키워드/);
  assert.equal(calls.length, 0);
  fields.keywordValue = ' READY> ';
  await submit();
  assert.equal(calls[0].path, '/alarms/rules/port_ch01_keyword');
  assert.equal(calls[0].body.trigger, 'READY>');
  assert.equal(calls[1].body.trigger, undefined);
  fields.channel = 'CH02'; change();
  assert.equal(fields.keywordValue, '');
  fields.channel = 'CH01'; change();
  assert.equal(fields.keywordValue, 'READY>');
  fields.keyword = false; fields.keywordValue = '';
  await submit();
  assert.equal(calls[3].body.trigger, '');
});