import { readStylesheet } from './testSupport/readStylesheet.mjs';
import assert from 'node:assert/strict';
import { readFileSync } from 'node:fs';
import test from 'node:test';
import { shouldExpandGlobalContextPanel } from './rightRailPolicy.js';

test('desktop side rails hide collapsed panels in every HUD layout, never on phones or beside Cockpit', () => {
  const right = readFileSync(new URL('./ui/rightPanelRail.js', import.meta.url), 'utf8');
  const left = readFileSync(new URL('./ui/leftPanelRail.js', import.meta.url), 'utf8');
  const css = readStylesheet(new URL('../style.css', import.meta.url));
  for (const ui of [right, left]) {
    assert.match(ui, /const isMobile = windowRef\.matchMedia\('\(max-width: 720px\)'\)\.matches/);
    assert.match(ui, /if \(exclusive && panel\.classList\.contains\('collapsed'\)\)\s*panel\.setAttribute\('aria-hidden', 'true'\)/);
    assert.doesNotMatch(ui, /hud\.variant === 'cyber'/);
  }
  assert.match(right, /const exclusive = !isMobile;/);
  // Cockpit keeps its collapsed Data Layers strip, which its layout aligns to.
  assert.match(
    left,
    /const exclusive =\s*!isMobile && !documentRef\?\.body\?\.classList\?\.contains\('cockpit-mode'\);/,
  );
  assert.match(css, /#right-context-rail\.layout-exclusive > \[data-panel-id\]\.collapsed \{/);
  assert.match(css, /#left-panel-stack\.layout-exclusive > \[data-panel-id\]\.collapsed \{/);
});

test('explicit Contacts, Space Missions, and Cockpit actions expand Global Context after success', () => {
  for (const action of ['contacts', 'space-missions', 'cockpit']) {
    assert.equal(shouldExpandGlobalContextPanel({
      action,
      explicitUserAction: true,
      succeeded: true,
    }), true, `${action} should reveal its supporting context`);
  }
});

test('Cockpit expansion is independent of whether a track was already selected', () => {
  for (const selectedTrack of [null, 'UAL649']) {
    assert.equal(shouldExpandGlobalContextPanel({
      action: 'cockpit',
      explicitUserAction: true,
      succeeded: true,
      selectedTrack,
    }), true);
  }
});

test('restoration and programmatic replay preserve the saved Global Context collapse state', () => {
  assert.equal(shouldExpandGlobalContextPanel({
    action: 'contacts',
    explicitUserAction: false,
    succeeded: true,
  }), false);
  assert.equal(shouldExpandGlobalContextPanel({
    action: 'space-missions',
    explicitUserAction: true,
    succeeded: true,
    restoring: true,
  }), false);
});

test('failed or unrelated actions never expand Global Context', () => {
  assert.equal(shouldExpandGlobalContextPanel({
    action: 'contacts',
    explicitUserAction: true,
    succeeded: false,
  }), false, 'a failed transition must preserve the prior panel state for rollback');
  assert.equal(shouldExpandGlobalContextPanel({
    action: 'search-nearby',
    explicitUserAction: true,
    succeeded: true,
  }), false);
});