'use strict';

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

const root = path.resolve(__dirname, '../..');
const read = (file) => fs.readFileSync(path.join(root, file), 'utf8');
const js = read('assets/widgets/frontend.js');
const css = read('assets/widgets/frontend.css');
const content = read('src/WidgetSystem/Renderers/ContentRenderer.php');
const knowledge = read('src/WidgetSystem/Renderers/KnowledgeProductRenderer.php');
const general = read('src/WidgetSystem/Renderers/GeneralRenderer.php');

for (const key of ['ArrowRight', 'ArrowLeft', 'Home', 'End']) assert.match(js, new RegExp(key));
assert.match(js, /setAttribute\('tabindex', tab === button \? '0' : '-1'\)/);
assert.match(js, /setAttribute\('aria-labelledby', button\.id\)/);
assert.match(content, /role="tab"[^;]+aria-controls=/);
assert.match(content, /role="tabpanel"[^;]+aria-labelledby=/);
assert.match(knowledge, /role="tab"[^;]+aria-controls=/);
assert.match(knowledge, /role="tabpanel"[^;]+aria-labelledby=/);

assert.match(css, /:focus-visible/);
assert.match(css, /forced-colors: active/);
assert.match(content, /aria-live="polite" aria-busy="true"/);
assert.match(content, /role="status"/);
assert.match(js, /setAttribute\('aria-busy', 'true'\)/);
assert.match(js, /setAttribute\('aria-busy', 'false'\)/);
assert.match(general, /role="alert" aria-live="assertive"/);
assert.match(css, /prefers-reduced-motion: reduce/);
assert.match(js, /prefers-reduced-motion: reduce/);

console.log('Widget accessibility contract tests passed: keyboard tabs, focus, live states and reduced motion.');