import test from 'node:test';
import assert from 'node:assert/strict';

import {
  fetchCoinGeckoBtcUsd,
  fetchKrakenBtcUsdc,
} from '../src/lib/market-data.mjs';

test('market data helpers parse Kraken BTC/USDC and CoinGecko BTC/USD prices', async () => {
  const previousFetch = globalThis.fetch;
  try {
    globalThis.fetch = async (url) => ({
      ok: true,
      async text() {
        if (String(url).includes('kraken')) {
          return JSON.stringify({
            result: {
              XBTUSDC: {
                c: ['80266.54000', '0.00019173'],
              },
            },
          });
        }
        return JSON.stringify({
          bitcoin: {
            usd: 80250.12,
          },
        });
      },
    });

    assert.equal(await fetchKrakenBtcUsdc('https://kraken.test'), 80266.54);
    assert.equal(await fetchCoinGeckoBtcUsd('https://coingecko.test'), 80250.12);
  } finally {
    globalThis.fetch = previousFetch;
  }
});