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

// #012851 — brand-navy, set as --c-header in layout.css (both light and dark mode)
const BRAND_NAVY = 'rgb(1, 40, 81)';

test.describe('Header — brand-navy background', () => {
	test('header background is brand-navy in light mode', async ({ page }) => {
		await page.goto('/');
		await expect(page.getByRole('navigation')).toBeVisible();

		const bg = await page.locator('header').evaluate((el) => getComputedStyle(el).backgroundColor);
		expect(bg).toBe(BRAND_NAVY);
	});

	test('header passes accessibility audit in light mode', async ({ page }) => {
		await page.goto('/');
		await expect(page.getByRole('navigation')).toBeVisible();

		const results = await new AxeBuilder({ page }).include('header').analyze();
		expect(results.violations).toEqual([]);
	});

	test('header background stays brand-navy after switching to dark mode', async ({ page }) => {
		await page.goto('/');
		await expect(page.getByRole('navigation')).toBeVisible();

		await page
			.getByRole('banner')
			.getByRole('button', { name: /dark mode/i })
			.click();
		await expect(page.locator('html')).toHaveAttribute('data-theme', 'dark');

		const bg = await page.locator('header').evaluate((el) => getComputedStyle(el).backgroundColor);
		expect(bg).toBe(BRAND_NAVY);
	});

	test('header passes accessibility audit in dark mode', async ({ page }) => {
		await page.goto('/');
		await expect(page.getByRole('navigation')).toBeVisible();

		await page
			.getByRole('banner')
			.getByRole('button', { name: /dark mode/i })
			.click();
		await expect(page.locator('html')).toHaveAttribute('data-theme', 'dark');

		const results = await new AxeBuilder({ page }).include('header').analyze();
		expect(results.violations).toEqual([]);
	});

	test('logo text is visible at 375px viewport', async ({ page }) => {
		await page.setViewportSize({ width: 375, height: 812 });
		await page.goto('/');

		await expect(page.getByRole('banner').getByText('Familienarchiv')).toBeVisible();
	});

	test('hamburger menu opens on tablet viewport (768px)', async ({ page }) => {
		await page.setViewportSize({ width: 768, height: 1024 });
		await page.goto('/');
		await expect(page.getByRole('navigation')).toBeVisible();

		const hamburger = page.getByRole('button', { name: /menü öffnen/i });
		await expect(hamburger).toBeVisible();
		await hamburger.click();

		await expect(
			page.getByRole('navigation', { name: /mobile/i }).or(page.locator('#mobile-nav'))
		).toBeVisible();
	});
});

test.describe('Login page — AuthHeader', () => {
	test.use({ storageState: { cookies: [], origins: [] } });

	test('login page has brand-navy header with language switcher', async ({ page }) => {
		await page.goto('/login');

		const header = page.locator('header');
		await expect(header).toBeVisible();

		const bg = await header.evaluate((el) => getComputedStyle(el).backgroundColor);
		expect(bg).toBe(BRAND_NAVY);

		await expect(header.getByRole('button', { name: 'DE' })).toBeVisible();
	});

	test('login page header passes accessibility audit', async ({ page }) => {
		await page.goto('/login');
		await expect(page.locator('header')).toBeVisible();

		const results = await new AxeBuilder({ page }).include('header').analyze();
		expect(results.violations).toEqual([]);
	});
});

test.describe('Forgot-password page — AuthHeader', () => {
	test.use({ storageState: { cookies: [], origins: [] } });

	test('forgot-password page has brand-navy header', async ({ page }) => {
		await page.goto('/forgot-password');

		const header = page.locator('header');
		await expect(header).toBeVisible();

		const bg = await header.evaluate((el) => getComputedStyle(el).backgroundColor);
		expect(bg).toBe(BRAND_NAVY);
	});

	test('forgot-password page header passes accessibility audit', async ({ page }) => {
		await page.goto('/forgot-password');
		await expect(page.locator('header')).toBeVisible();

		const results = await new AxeBuilder({ page }).include('header').analyze();
		expect(results.violations).toEqual([]);
	});
});