import { test } from 'node:test';
import assert from 'node:assert/strict';
import { loadCaptions, weatherKey, renderCaption } from '../server/threads/captions.ts';

const sample = { cloudCover: 10, visibility: 10000, rain: 0, snowfall: 0 };
test('caption weather uses precipitation first and does not assume missing data means clear', () => {
  const config = loadCaptions();
  assert.equal(weatherKey({ ...sample, rain: 1, snowfall: 1 }, config), 'snow');
  assert.equal(weatherKey({ ...sample, rain: 1, visibility: 100 }, config), 'rain');
  assert.equal(weatherKey({ ...sample, visibility: 500 }, config), 'fog');
  assert.equal(weatherKey({ ...sample, cloudCover: 90 }, config), 'cloudy');
  assert.equal(weatherKey({ ...sample, cloudCover: 50 }, config), 'partlyCloudy');
  assert.equal(weatherKey(sample, config), 'clear');
  assert.equal(weatherKey(null, config), 'unknown');
  assert.equal(weatherKey({ ...sample, rain: null }, config), 'unknown');
});

test('editable caption expands Korean date/time and test marker without publishing', () => {
  const config = loadCaptions();
  config.template = ['{message}', '{date} {time} / {sunrise}', '{url}'];
  config.messages.rain = ['비 오는 날이야 ☔'];
  const result = renderCaption(config, { weather: { ...sample, rain: 1 }, capturedAt: '2026-11-01T18:00:00Z',
    sunrise: '2026-11-01T21:53:00Z', url: 'https://sunrise.horoli.kr', test: true });
  assert.ok(result.text.includes('비 오는 날이야 ☔'));
  assert.ok(result.text.includes('2026-11-02 03:00 / 06:53'));
  assert.ok(result.text.startsWith(config.testPrefix));
  assert.equal(result.condition, 'rain');
});