import { FiatUnit } from '../../models/fiatUnit';
const assert = require('assert');

describe('currency', () => {
  it('formats everything correctly', async () => {
    const currency = require('../../blue_modules/currency');
    currency._setExchangeRate('BTC_USD', 10000);

    assert.strictEqual(currency.satoshiToLocalCurrency(1), '$0.0001');
    assert.strictEqual(currency.satoshiToLocalCurrency(-1), '-$0.0001');
    assert.strictEqual(currency.satoshiToLocalCurrency(123), '$0.01');
    assert.strictEqual(currency.satoshiToLocalCurrency(156), '$0.02');
    assert.strictEqual(currency.satoshiToLocalCurrency(51), '$0.01');
    assert.strictEqual(currency.satoshiToLocalCurrency(45), '$0.0045');
    assert.strictEqual(currency.satoshiToLocalCurrency(123456789), '$12,345.68');

    assert.strictEqual(currency.BTCToLocalCurrency(1), '$10,000.00');
    assert.strictEqual(currency.BTCToLocalCurrency(-1), '-$10,000.00');
    assert.strictEqual(currency.BTCToLocalCurrency(1.00000001), '$10,000.00');
    assert.strictEqual(currency.BTCToLocalCurrency(1.0000123), '$10,000.12');
    assert.strictEqual(currency.BTCToLocalCurrency(1.0000146), '$10,000.15');

    assert.strictEqual(currency.satoshiToBTC(1), '0.00000001');
    assert.strictEqual(currency.satoshiToBTC(-1), '-0.00000001');
    assert.strictEqual(currency.satoshiToBTC(100000000), '1');
    assert.strictEqual(currency.satoshiToBTC(123456789123456789), '1234567891.2345678'); // eslint-disable-line @typescript-eslint/no-loss-of-precision

    currency._setPreferredFiatCurrency(FiatUnit.JPY);
    currency._setExchangeRate('BTC_JPY', 1043740.8614);

    assert.ok(
      currency.satoshiToLocalCurrency(1) === '¥0.01' || currency.satoshiToLocalCurrency(1) === '￥0.01',
      'Unexpected: ' + currency.satoshiToLocalCurrency(1),
    );
  });
});