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

const baseProps = {
	score: 7.5,
	ingredientOverlaps: [],
	showReviewLink: false
};

describe('VarietyScoreCard', () => {
	it('renders the variety score', () => {
		render(VarietyScoreCard, { props: baseProps });
		expect(screen.getByText('7.5')).toBeTruthy();
	});

	it('renders "/10" denominator', () => {
		render(VarietyScoreCard, { props: baseProps });
		expect(screen.getByText('/10')).toBeTruthy();
	});

	it('renders a progress bar with correct aria attributes', () => {
		render(VarietyScoreCard, { props: baseProps });
		const bar = screen.getByRole('progressbar');
		expect(bar.getAttribute('aria-valuenow')).toBe('7.5');
		expect(bar.getAttribute('aria-valuemin')).toBe('0');
		expect(bar.getAttribute('aria-valuemax')).toBe('10');
	});

	it('renders ingredient overlap warnings', () => {
		render(VarietyScoreCard, {
			props: {
				...baseProps,
				ingredientOverlaps: [{ ingredientName: 'Tomate', days: ['2026-03-30', '2026-03-31'] }]
			}
		});
		expect(screen.getByText(/Tomate/)).toBeTruthy();
		expect(screen.getByText(/2 Mahlzeiten/)).toBeTruthy();
	});

	it('shows review link when showReviewLink is true', () => {
		render(VarietyScoreCard, { props: { ...baseProps, showReviewLink: true } });
		const link = screen.getByRole('link', { name: /Variety.*überprüfen|Review variety/i });
		expect(link).toBeTruthy();
	});

	it('hides review link by default', () => {
		render(VarietyScoreCard, { props: baseProps });
		expect(screen.queryByRole('link', { name: /variety/i })).toBeNull();
	});

	it('renders with score 0', () => {
		render(VarietyScoreCard, { props: { ...baseProps, score: 0 } });
		expect(screen.getByText('0.0')).toBeTruthy();
	});

	it('rounds floating-point scores to one decimal place', () => {
		render(VarietyScoreCard, { props: { ...baseProps, score: 6.199999999999999 } });
		expect(screen.getByText('6.2')).toBeTruthy();
		expect(screen.queryByText('6.199999999999999')).toBeNull();
	});

	it('renders multiple ingredient overlap warnings', () => {
		render(VarietyScoreCard, {
			props: {
				...baseProps,
				ingredientOverlaps: [
					{ ingredientName: 'Tomate', days: ['2026-03-30', '2026-03-31'] },
					{ ingredientName: 'Zwiebel', days: ['2026-03-30', '2026-04-01', '2026-04-02'] },
					{ ingredientName: 'Knoblauch', days: ['2026-03-31', '2026-04-01'] }
				]
			}
		});
		expect(screen.getByText(/Tomate/)).toBeTruthy();
		expect(screen.getByText(/Zwiebel/)).toBeTruthy();
		expect(screen.getByText(/Knoblauch/)).toBeTruthy();
		expect(screen.getByText(/3 Mahlzeiten/)).toBeTruthy();
	});
});