// tests/callReport.businessWindow.test.js

import test from 'node:test';
import assert from 'node:assert/strict';
import { DateTime } from 'luxon';

import {
  computeBusinessWindow,
  parseReportDateArg,
} from '../services/callReport/businessWindow.js';

test('parseReportDateArg defaults to yesterday', () => {
  const now = DateTime.fromISO('2026-07-24T15:00:00', { zone: 'America/New_York' }).toJSDate();
  const p = parseReportDateArg(null, 'America/New_York', now);
  assert.equal(p.label, '2026-07-23');
  assert.equal(p.mode, 'fullDay');
});

test('computeBusinessWindow full day yesterday 9-9', () => {
  const now = DateTime.fromISO('2026-07-24T12:00:00', { zone: 'America/New_York' }).toJSDate();
  const w = computeBusinessWindow({
    timeZone: 'America/New_York',
    dateArg: 'yesterday',
    now,
  });
  assert.equal(w.ready, true);
  assert.equal(w.label, '2026-07-23');
  const start = DateTime.fromISO(w.startTime, { zone: 'utc' });
  const end = DateTime.fromISO(w.endTime, { zone: 'utc' });
  const startLocal = start.setZone('America/New_York');
  const endLocal = end.setZone('America/New_York');
  assert.equal(startLocal.hour, 9);
  assert.equal(endLocal.hour, 21);
});

test('computeBusinessWindow today ends at now minus lag', () => {
  const now = DateTime.fromISO('2026-07-24T14:00:00', { zone: 'America/New_York' }).toJSDate();
  const w = computeBusinessWindow({
    timeZone: 'America/New_York',
    dateArg: 'today',
    now,
  });
  assert.equal(w.ready, true);
  assert.equal(w.mode, 'today');
  const endMs = new Date(w.endTime).getTime();
  assert.ok(endMs <= now.getTime() - 5 * 60 * 1000 + 2000);
  const startLocal = DateTime.fromISO(w.startTime).setZone('America/New_York');
  assert.equal(startLocal.hour, 9);
});

test('computeBusinessWindow today before 9am not ready', () => {
  const now = DateTime.fromISO('2026-07-24T08:00:00', { zone: 'America/New_York' }).toJSDate();
  const w = computeBusinessWindow({
    timeZone: 'America/New_York',
    dateArg: 'today',
    now,
  });
  assert.equal(w.ready, false);
});