import { beforeEach, describe, expect, it, vi } from 'vitest';

import {
  buildFolioPriceIndex,
  getFolioFeedUrl,
  matchFolioPrice,
  parseFolioPriceEntry,
} from '../../../lib/pricing/foolio-client.js';

describe('foolio-client', () => {
  beforeEach(() => {
    delete process.env.FOILIO_PRICES_FEED_URL;
    vi.restoreAllMocks();
  });

  it('uses default Foilio feed URL', () => {
    expect(getFolioFeedUrl()).toBe('https://foolio.net/api/prices/feed?game=lorcana');
  });

  it('prefers USD fields when parsing feed rows', () => {
    expect(parseFolioPriceEntry({ usd_low: 1, usd_market: 2 })).toEqual({
      currentPrice: 1,
      marketPrice: 2,
      currency: 'USD',
    });
  });

  it('falls back to EUR with currency noted when USD is absent', () => {
    expect(parseFolioPriceEntry({ eur_low: 0.5, eur_market: 0.8 })).toEqual({
      currentPrice: 0.5,
      marketPrice: 0.8,
      currency: 'EUR',
    });
  });

  it('indexes feed rows by card id and normalized name|set', () => {
    const index = buildFolioPriceIndex([
      {
        card_id: 'TFC-001',
        name: 'Ariel - On Human Legs',
        set: 'TFC',
        usd_low: 1,
        usd_market: 1.5,
      },
    ]);

    expect(index.byCardId.get('TFC-001')?.marketPrice).toBe(1.5);
    expect(
      matchFolioPrice(index, {
        scryfallId: 'OTHER',
        name: 'Ariel - On Human Legs',
        setCode: 'TFC',
      })?.currentPrice
    ).toBe(1);
  });

  it('fetchFolioPriceFeed loads and indexes the feed once', async () => {
    const payload = [{ card_id: 'TFC-001', usd_market: 3 }];
    vi.stubGlobal('fetch', vi.fn(async () => ({
      ok: true,
      json: async () => payload,
    })));

    const { fetchFolioPriceIndex } = await import('../../../lib/pricing/foolio-client.js');
    const index = await fetchFolioPriceIndex();

    expect(index.byCardId.get('TFC-001')?.marketPrice).toBe(3);
    expect(fetch).toHaveBeenCalledTimes(1);
  });
});