// app.pedshub.com/#resources opens My Resources. The app has no routes and is
// not getting any; a hash is read once, stored as the last tab, and dropped.
const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');

const src = fs.readFileSync(path.join(__dirname, '..', 'public/js/app.js'), 'utf8');
const start = src.indexOf('var TAB_ALIASES');
const end = src.indexOf('try { openTabFromHash(window');
const openTabFromHash = new Function(src.slice(start, end) + '; return openTabFromHash;')();

function world(hash, tabs) {
  const stored = {}; const replaced = [];
  return {
    win: { location: { hash, pathname: '/', search: '?sso=ok' }, history: { replaceState: (_s, _t, url) => replaced.push(url) } },
    doc: { querySelector: sel => tabs.some(t => sel === '.tab-btn[data-tab="' + t + '"]') ? {} : null },
    storage: { setItem: (k, v) => { stored[k] = v; } }, stored, replaced
  };
}

test('#resources stores My Resources as the tab to open and clears the hash', () => {
  const w = world('#resources', ['encounter', 'myresources']);
  assert.equal(openTabFromHash(w.win, w.doc, w.storage), 'myresources');
  assert.equal(w.stored.ped_last_tab, 'myresources');
  assert.deepEqual(w.replaced, ['/?sso=ok'], 'the query survives, the hash goes');
});

test('#share=<token> sets the token aside and opens My Resources', () => {
  const w = world('#share=abc.def-123', ['encounter', 'myresources']);
  assert.equal(openTabFromHash(w.win, w.doc, w.storage), 'myresources');
  assert.equal(w.stored.ped_pending_share, 'abc.def-123');
  assert.equal(w.stored.ped_last_tab, 'myresources');
});

test('a tab that does not exist, or no hash at all, changes nothing', () => {
  for (const hash of ['#nonsense', '', '#']) {
    const w = world(hash, ['encounter']);
    assert.equal(openTabFromHash(w.win, w.doc, w.storage), null);
    assert.deepEqual(w.stored, {}); assert.deepEqual(w.replaced, []);
  }
});

test('the hash is honoured by the same code that restores the last tab after sign-in', () => {
  const auth = fs.readFileSync(path.join(__dirname, '..', 'public/js/auth.js'), 'utf8');
  assert.match(auth, /localStorage\.getItem\('ped_last_tab'\)/);
  assert.match(src, /try \{ openTabFromHash\(window, document, window\.localStorage\); \} catch/);
});