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

describe('PlaylistPlaceholderCard', () => {
  test('renders label', () => {
    render(PlaylistPlaceholderCard, { props: { label: 'For You', variant: 'pending' } });
    expect(screen.getByText('For You')).toBeInTheDocument();
  });

  test('building variant shows building copy and pulses', () => {
    const { container } = render(PlaylistPlaceholderCard, { props: { label: 'For You', variant: 'building' } });
    expect(screen.getByText(/Building your daily mix/i)).toBeInTheDocument();
    const cover = container.querySelector('[data-variant="building"] .aspect-square');
    expect(cover?.className).toMatch(/animate-pulse/);
  });

  test('failed variant shows failure copy and does NOT pulse', () => {
    const { container } = render(PlaylistPlaceholderCard, { props: { label: 'For You', variant: 'failed' } });
    expect(screen.getByText(/Couldn.t build this mix/i)).toBeInTheDocument();
    const cover = container.querySelector('[data-variant="failed"] .aspect-square');
    expect(cover?.className).not.toMatch(/animate-pulse/);
  });

  test('seed-needed variant shows variety copy', () => {
    render(PlaylistPlaceholderCard, { props: { label: 'Songs like…', variant: 'seed-needed' } });
    expect(screen.getByText(/Listen to more variety/i)).toBeInTheDocument();
  });

  test('pending variant (default) shows within-24h copy and pulses', () => {
    const { container } = render(PlaylistPlaceholderCard, { props: { label: 'For You' } });
    expect(screen.getByText(/within 24h/i)).toBeInTheDocument();
    const cover = container.querySelector('[data-variant="pending"] .aspect-square');
    expect(cover?.className).toMatch(/animate-pulse/);
  });
});