import test from 'node:test';
import assert from 'node:assert/strict';
import { boardScenes, informationBlocks, serviceWindow } from '../src/lib/information.ts';
import { defaultSettings } from '../src/lib/storage.ts';

const off = { ...defaultSettings, infoServiceEnabled: false, infoWeatherEnabled: false, infoQrEnabled: false };
const trip = (routeId, at) => ({ routeId, routeNumber: String(routeId), scheduledAt: at });

test('disabled information blocks are omitted without leaving gaps in the cycle', () => {
  assert.deepEqual(informationBlocks(defaultSettings).map(block => block.id), ['service', 'weather', 'qr']);
  assert.deepEqual(informationBlocks({ ...off, infoQrEnabled: true }).map(block => block.id), ['qr']);
  assert.deepEqual(informationBlocks({ ...defaultSettings, infoWeatherEnabled: false }).map(block => block.id), ['service', 'qr']);
  assert.deepEqual(informationBlocks(off), []);
});
test('all blocks off keeps departures, retains optional advertising, and still surfaces alerts', () => {
  assert.deepEqual(boardScenes(off, false, false), ['departures']);
  assert.deepEqual(boardScenes({ ...off, adsEnabled: true }, false, false), ['departures', 'ad']);
  assert.deepEqual(boardScenes({ ...off, adsEnabled: true }, true, true), ['departures', 'info']);
  assert.deepEqual(boardScenes(off, true, false), ['departures', 'info']);
});
test('service boundaries use local arrival dates, including after-midnight trips', () => {
  const now = Date.parse('2026-10-09T23:00:00+03:00');
  const last = trip(2, '2026-10-09T23:50:00+03:00');
  const first = trip(1, '2026-10-09T21:15:00Z'); // 00:15 tomorrow in Minsk
  const departures = [trip(1, '2026-10-10T06:00:00+03:00'), last, first,
    trip(1, '2026-10-09T00:10:00+03:00'), trip(1, '2026-10-08T23:59:00+03:00')];
  assert.deepEqual(serviceWindow(departures, now, ''), { lastToday: last, firstTomorrow: first });
});
test('route selection scopes both boundaries; empty days do not invent a trip', () => {
  const now = Date.parse('2026-10-09T12:00:00+03:00');
  const filtered = trip(1, '2026-10-09T20:00:00+03:00');
  const departures = [filtered, trip(2, '2026-10-09T23:00:00+03:00'), trip(2, '2026-10-10T05:00:00+03:00')];
  assert.deepEqual(serviceWindow(departures, now, '1'), { lastToday: filtered, firstTomorrow: null });
  assert.deepEqual(serviceWindow([], now, ''), { lastToday: null, firstTomorrow: null });
});
test('service boundaries roll to the new day and across the year at local midnight', () => {
  const last = trip(1, '2026-12-31T23:59:00+03:00');
  const first = trip(1, '2027-01-01T05:00:00+03:00');
  const next = trip(1, '2027-01-02T06:00:00+03:00');
  assert.deepEqual(serviceWindow([last, first, next], Date.parse('2026-12-31T23:59:00+03:00'), ''), { lastToday: last, firstTomorrow: first });
  assert.deepEqual(serviceWindow([last, first, next], Date.parse('2027-01-01T00:00:00+03:00'), ''), { lastToday: first, firstTomorrow: next });
});