import AxeBuilder from '@axe-core/playwright';
import { test, expect } from '@playwright/test';

// Accessibility coverage specifically for the briefwechsel thumbnail-row
// layout. Runs axe-core (wcag2a + wcag2aa) across three viewports and two
// color schemes so color-contrast regressions on the meta text or the
// distribution bar are caught independently of the site-wide sweep.

const VIEWPORTS = [
	{ name: 'mobile', width: 375, height: 812 },
	{ name: 'tablet', width: 768, height: 1024 },
	{ name: 'desktop', width: 1280, height: 800 }
] as const;

const THEMES = ['light', 'dark'] as const;

test.describe('Accessibility — /briefwechsel row layout', () => {
	for (const vp of VIEWPORTS) {
		for (const theme of THEMES) {
			test(`${vp.name} / ${theme} has no wcag2a/wcag2aa violations`, async ({ page }) => {
				await page.setViewportSize({ width: vp.width, height: vp.height });
				await page.emulateMedia({ colorScheme: theme });
				await page.goto('/briefwechsel');
				await page.waitForSelector('[data-hydrated]');

				const results = await new AxeBuilder({ page })
					.withTags(['wcag2a', 'wcag2aa'])
					.include('main')
					.analyze();

				if (results.violations.length > 0) {
					const summary = results.violations
						.map((v) => `[${v.impact}] ${v.id}: ${v.description} (${v.nodes.length} node(s))`)
						.join('\n');
					console.log(
						`\nAccessibility violations on briefwechsel (${vp.name}/${theme}):\n${summary}`
					);
				}

				expect(results.violations).toEqual([]);
			});
		}
	}
});