import test from 'node:test'
import assert from 'node:assert/strict'
import { loadModule } from './load.mjs'

const { parseGermanDate, formatTime, dayKey, groupAppointmentsByDay, countInRange } = await loadModule('src/lib/planboard.js')

test('parseGermanDate: ein- und zweistellig, Altwerte ergeben null', () => {
  assert.equal(parseGermanDate('2.5.2026').getTime(), new Date(2026, 4, 2).getTime())
  assert.equal(parseGermanDate(' 07.10.2026 ').getTime(), new Date(2026, 9, 7).getTime())
  for (const v of ['31.02.2026', '0.1.2026', '2026-10-07T09:00:00.000Z', '2026-10-07', '7.10.26', '', undefined, null, 'morgen']) {
    assert.equal(parseGermanDate(v), null, String(v))
  }
})

test('formatTime: hhmm und hh:mm, ungültige Werte ergeben leer', () => {
  for (const [v, out] of [['0900', '09:00'], ['900', '09:00'], ['9:00', '09:00'], ['09:30', '09:30'], ['2359', '23:59']]) {
    assert.equal(formatTime(v), out, v)
  }
  for (const v of ['2400', '1260', '9', 'abc', '', undefined]) assert.equal(formatTime(v), '', String(v))
  assert.equal(dayKey(new Date(2026, 0, 5)), '2026-01-05')
})

const employees = [{ userId: 'u1', displayName: 'Kenso Grimm', shortcode: 'KNSO' }]
const workorders = [
  { $id: 'a', woid: '1', startDate: '7.10.2026', startTime: '1400', endTime: '1500', topic: 'Spät', type: 'Webpage', status: 'Open', customerName: 'Alpha', assignedTo: 'u1' },
  { $id: 'b', woid: '2', startDate: '07.10.2026', startTime: '', topic: 'Ohne Uhrzeit', type: 'Akquise', status: 'Open', assignedName: 'Ehemalige' },
  { $id: 'c', woid: '3', startDate: '7.10.2026', startTime: '0830', topic: 'Früh', type: 'Webpage', status: 'Cancelled' },
  { $id: 'd', startDate: '8.10.2026', startTime: '1000', title: 'Nur Titel' },
  { $id: 'h', startDate: '9.10.2026' },
  { $id: 'e', woid: '5', startDate: '31.02.2026', startTime: '1000', topic: 'Ungültig' },
  { $id: 'f', woid: '6', startDate: '2026-10-07T09:00:00.000Z', topic: 'ISO' },
  { $id: 'g', woid: '7', startDate: '', topic: 'Leer' },
]

test('groupAppointmentsByDay: nach Uhrzeit, ohne Uhrzeit am Ende, Stornierte bleiben, Altwerte fallen weg', () => {
  const byDay = groupAppointmentsByDay(workorders, employees)
  assert.deepEqual(Object.keys(byDay).sort(), ['2026-10-07', '2026-10-08', '2026-10-09'])
  assert.deepEqual(byDay['2026-10-07'].map((a) => a.id), ['c', 'a', 'b'])
  assert.equal(byDay['2026-10-07'][0].status, 'Cancelled')
  assert.equal(byDay['2026-10-07'][1].employeeShort, 'KNSO')
  assert.equal(byDay['2026-10-07'][1].employeeName, 'Kenso Grimm')
  assert.equal(byDay['2026-10-07'][2].employeeName, 'Ehemalige')
  assert.equal(byDay['2026-10-07'][2].employeeShort, '')
  assert.equal(byDay['2026-10-08'][0].woid, '')
  assert.equal(byDay['2026-10-08'][0].topic, 'Nur Titel')
  assert.equal(byDay['2026-10-09'][0].topic, 'Ohne Betreff')
})

test('countInRange: zählt nur die genannten Tage', () => {
  const byDay = groupAppointmentsByDay(workorders, employees)
  const week = (day) => Array.from({ length: 7 }, (_, i) => new Date(2026, 9, day + i))
  assert.equal(countInRange(byDay, week(5)), 5)
  assert.equal(countInRange(byDay, week(12)), 0)
  assert.equal(countInRange(byDay), 0)
})