import { describe, it, expect } from 'vitest';
import { render, screen, fireEvent } from '@testing-library/svelte';
import SuggestionContextBanner from './SuggestionContextBanner.svelte';

const weekPlan = {
	id: 'plan-1',
	weekStart: '2026-03-30',
	slots: [
		{ id: 's1', slotDate: '2026-03-30', recipe: { id: 'r1', name: 'Pasta', effort: 'Easy' } },
		{ id: 's2', slotDate: '2026-03-31', recipe: { id: 'r2', name: 'Curry', effort: 'Hard' } }
	]
};

describe('SuggestionContextBanner', () => {
	it('renders the selected day label', () => {
		render(SuggestionContextBanner, { props: { selectedDay: '2026-04-01', weekPlan } });
		// Day label should be visible
		expect(screen.getByTestId('context-banner')).toBeTruthy();
	});

	it('renders meals from the current week after expanding', async () => {
		render(SuggestionContextBanner, { props: { selectedDay: '2026-04-01', weekPlan } });
		// Banner starts collapsed — expand it first
		const toggle = screen.getByRole('button', { name: /Filter|einblenden/i });
		await fireEvent.click(toggle);
		expect(screen.getByText(/Pasta/)).toBeTruthy();
		expect(screen.getByText(/Curry/)).toBeTruthy();
	});

	it('starts collapsed and expands on toggle', async () => {
		render(SuggestionContextBanner, { props: { selectedDay: '2026-04-01', weekPlan } });
		const detail = screen.getByTestId('context-detail');
		// Initially collapsed
		expect(detail.hasAttribute('hidden')).toBe(true);
		const toggle = screen.getByRole('button', { name: /Filter|einblenden/i });
		await fireEvent.click(toggle);
		// After toggle: expanded
		expect(detail.hasAttribute('hidden')).toBe(false);
		await fireEvent.click(toggle);
		// After second toggle: collapsed again
		expect(detail.hasAttribute('hidden')).toBe(true);
	});

	it('renders with no slots gracefully', () => {
		render(SuggestionContextBanner, { props: { selectedDay: '2026-04-01', weekPlan: { ...weekPlan, slots: [] } } });
		expect(screen.getByTestId('context-banner')).toBeTruthy();
	});
});