import assert from 'node:assert/strict';
import fs from 'node:fs';
import path from 'node:path';
import test from 'node:test';

const root = path.resolve(import.meta.dirname, '../..');
const page = fs.readFileSync(path.join(root, 'src/web/components/ClientOverviewPage.tsx'), 'utf8');
const feature = fs.readFileSync(path.join(root, 'src/web/features/routing/RoutingFeature.tsx'), 'utf8');
const boundary = fs.readFileSync(path.join(root, 'src/web/features/routing/index.ts'), 'utf8');

test('routing feature is the sole owner at the four existing composition positions', () => {
  assert.match(boundary, /RoutingDiscardDialog,[\s\S]*RoutingPanel,[\s\S]*RoutingPendingStatus,[\s\S]*RoutingToggle,[\s\S]*useRoutingFeature/);
  assert.equal((page.match(/useRoutingFeature\(/g) || []).length, 1);
  assert.equal((page.match(/<RoutingToggle/g) || []).length, 1);
  assert.equal((page.match(/<RoutingPendingStatus/g) || []).length, 1);
  assert.equal((page.match(/<RoutingPanel/g) || []).length, 1);
  assert.equal((page.match(/<RoutingDiscardDialog/g) || []).length, 1);
  assert.doesNotMatch(page, /ROUTE_RULE_OPTIONS|function RuleTypePicker|function LocalRulesPanel|localRulesBaselineRef|setLocalRulesDraft|id="discard-local-rules"|client-local-rules-toggle/);
  assert.doesNotMatch(feature, /from ['"][^'"]*\/api\/|ConnectionPanel|SubscriptionFeature|ServerPicker|DevicesPanel|DiagnosticsPanel/);
});

test('routing controller preserves snapshot drafts, live status and guarded close/save semantics', () => {
  assert.match(feature, /const savedRules = route\?\.localRules \|\| \[\]/);
  assert.match(feature, /baselineRef\.current = JSON\.stringify\(savedRules\.map/);
  assert.match(feature, /setRules\(savedRules\.map\(createLocalRuleDraft\)\)/);
  assert.match(feature, /setRevision\(route\?\.localRulesRevision \|\| 0\)/);
  assert.match(feature, /if \(dirty\) \{[\s\S]*setConfirmingClose\(true\);[\s\S]*return false/);
  assert.match(feature, /const result = routingSaveState\(await onSave\(values, revision\)\)/);
  assert.match(feature, /if \(!result\) return;[\s\S]*baselineRef\.current = JSON\.stringify\(values\);[\s\S]*setRevision\(result\.localRulesRevision\)/);
  assert.match(feature, /if \(!connected \|\| !result\.localRulesPendingRestart\) setIsOpen\(false\)/);
  assert.match(feature, /Number\.isSafeInteger\(localRulesRevision\)[\s\S]*localRulesRevision as number\) < 0[\s\S]*typeof localRulesPendingRestart !== 'boolean'/);
});

test('routing lifecycle and Page orchestration keep the existing guards and blocking scopes', () => {
  assert.match(feature, /keyboardEvent\.key !== 'Escape' \|\| keyboardEvent\.defaultPrevented/);
  assert.match(feature, /addEventListener\('beforeunload', warnBeforeUnload\)/);
  assert.match(feature, /matchMedia\('\(prefers-reduced-motion: reduce\)'\)[\s\S]*removing: true/);
  assert.match(feature, /document\.startViewTransition\(update\)/);
  assert.match(feature, /operationBlocked\(operations, 'routeRules'\) \|\| rules\.some/);
  assert.match(page, /current === 'routing' && routingFeature\.dirty[\s\S]*routingFeature\.requestClose\(\)/);
  assert.match(page, /routing:[\s\S]*show: routingFeature\.open,[\s\S]*close: routingFeature\.forceClose/);
  assert.match(page, /routingSlot=\{<RoutingPendingStatus[\s\S]*blocked=\{connectionBlocked\}/);
  assert.match(page, /<RoutingPanel[\s\S]*InlineError[\s\S]*InlineProgress/);
});