import { test } from 'node:test';
import assert from 'node:assert/strict';
import { DEFAULT_SETTINGS, normalizeSettings } from '../src/lib/storage.js';

test('normalizeSettings falls back to defaults for missing input', () => {
  assert.deepEqual(DEFAULT_SETTINGS, { threshold: 5, minViews: 10000 });
  assert.deepEqual(normalizeSettings(), DEFAULT_SETTINGS);
  assert.deepEqual(normalizeSettings({}), DEFAULT_SETTINGS);
});

test('normalizeSettings coerces numeric strings', () => {
  assert.deepEqual(normalizeSettings({ threshold: '7.5', minViews: '20000' }), { threshold: 7.5, minViews: 20000 });
});

test('normalizeSettings replaces invalid thresholds with the default', () => {
  for (const threshold of [-1, 0, 'abc', '', null, NaN, Infinity]) {
    assert.equal(normalizeSettings({ threshold }).threshold, 5, String(threshold));
  }
});

test('normalizeSettings replaces invalid minViews with the default and floors decimals', () => {
  for (const minViews of [-5, 'abc', '', null, NaN]) {
    assert.equal(normalizeSettings({ minViews }).minViews, 10000, String(minViews));
  }
  assert.equal(normalizeSettings({ minViews: 1500.7 }).minViews, 1500);
  assert.equal(normalizeSettings({ minViews: 0 }).minViews, 0);
});

test('normalizeSettings drops fields it does not know (the old apiKey)', () => {
  assert.deepEqual(normalizeSettings({ apiKey: 'secret', threshold: 6 }), { threshold: 6, minViews: 10000 });
});