// @vitest-environment jsdom
import { afterEach, describe, expect, it, vi } from 'vitest';
import { cleanup, fireEvent, render, screen } from '@testing-library/react';

import ScannerResultPanel from '../../components/scanner/ScannerResultPanel.js';
import { VOCAB } from '../../lib/collection-vocabulary.js';

const FOCUSED_CARD = {
  id: 'card-1',
  name: 'Lightning Bolt',
  set: 'Alpha',
  rarity: 'Common',
  cardNumber: '161',
  image_url: 'https://example.com/bolt.jpg',
  condition: 'NM',
  isFoil: false,
  confidence: 0.92,
};

function createQueueFixture({ addingCardIds = new Set() } = {}) {
  return {
    addingCardIds,
    updateCardMetadata: vi.fn(),
  };
}

function renderPanel(overrides = {}) {
  const props = {
    focusedCard: null,
    queue: createQueueFixture(),
    isIdentifying: false,
    commitError: null,
    onAddToOwned: vi.fn(),
    onAddToList: vi.fn(),
    onRescan: vi.fn(),
    ...overrides,
  };

  return {
    ...render(<ScannerResultPanel {...props} />),
    props,
  };
}

describe('ScannerResultPanel', () => {
  afterEach(() => cleanup());

  it('renders empty state illustration and instructional copy', () => {
    renderPanel();

    expect(
      screen.getByText('Point your camera at a card or upload an image to see a match.')
    ).toBeTruthy();
    expect(screen.getByRole('heading', { name: 'Scan Result' })).toBeTruthy();
    expect(screen.queryByRole('button', { name: VOCAB.ADD_TO_MY_COLLECTION })).toBeNull();
    expect(screen.queryByRole('button', { name: /upload/i })).toBeNull();
    expect(screen.queryByRole('button', { name: /batch/i })).toBeNull();
  });

  it('shows Identifying… placeholder when identifying without a focused card', () => {
    renderPanel({ isIdentifying: true });

    expect(screen.getByText('Identifying…')).toBeTruthy();
    expect(
      screen.queryByText('Point your camera at a card or upload an image to see a match.')
    ).toBeNull();
  });

  it('renders populated card metadata, controls, and vocab action labels', () => {
    const queue = createQueueFixture();
    renderPanel({ focusedCard: FOCUSED_CARD, queue });

    expect(screen.getByRole('heading', { name: FOCUSED_CARD.name, level: 3 })).toBeTruthy();
    expect(screen.getByText('Alpha · Common · 161')).toBeTruthy();
    expect(screen.getByRole('combobox', { name: `Condition for ${FOCUSED_CARD.name}` })).toBeTruthy();
    expect(screen.getByRole('switch', { name: 'Foil' })).toBeTruthy();
    expect(screen.getByText('92%')).toBeTruthy();
    expect(screen.getByText('Excellent match.')).toBeTruthy();
    expect(screen.getByRole('button', { name: VOCAB.ADD_TO_MY_COLLECTION })).toBeTruthy();
    expect(screen.getByRole('button', { name: 'Rescan' })).toBeTruthy();
    expect(screen.getByRole('button', { name: VOCAB.ADD_TO_LIST })).toBeTruthy();
    expect(screen.queryByText(/wishlist/i)).toBeNull();
  });

  it('disables the primary add button while the card is adding', () => {
    const queue = createQueueFixture({ addingCardIds: new Set(['card-1']) });
    renderPanel({ focusedCard: FOCUSED_CARD, queue });

    const primaryButton = screen.getByRole('button', { name: VOCAB.ADD_TO_MY_COLLECTION });
    expect(primaryButton.disabled).toBe(true);
    expect(primaryButton.getAttribute('aria-busy')).toBe('true');
  });

  it('calls queue.updateCardMetadata when condition changes', () => {
    const queue = createQueueFixture();
    renderPanel({ focusedCard: FOCUSED_CARD, queue });

    fireEvent.change(screen.getByRole('combobox', { name: `Condition for ${FOCUSED_CARD.name}` }), {
      target: { value: 'LP' },
    });

    expect(queue.updateCardMetadata).toHaveBeenCalledWith('card-1', { condition: 'LP' });
  });

  it('calls queue.updateCardMetadata when foil switch is toggled', () => {
    const queue = createQueueFixture();
    renderPanel({ focusedCard: FOCUSED_CARD, queue });

    fireEvent.click(screen.getByRole('switch', { name: 'Foil' }));

    expect(queue.updateCardMetadata).toHaveBeenCalledWith('card-1', { isFoil: true });
  });

  it('shows commit errors with role=alert', () => {
    renderPanel({
      focusedCard: FOCUSED_CARD,
      commitError: 'Could not add card. Try again.',
    });

    const alert = screen.getByRole('alert');
    expect(alert.textContent).toContain('Could not add card. Try again.');
  });

  it('includes reduced-motion CSS for the confidence bar', () => {
    const { container } = renderPanel({ focusedCard: FOCUSED_CARD });

    expect(container.innerHTML).toContain('scanner-result-confidence-bar-fill');
    expect(container.innerHTML).toContain('prefers-reduced-motion: reduce');
    expect(container.innerHTML).toContain('transition: none');
  });
});