import { beforeEach, describe, expect, it, vi } from 'vitest'
import fs from 'fs/promises'

vi.mock('../server/utils/auth.js', () => ({
  readUsers: vi.fn(),
  isHiddenUser: vi.fn(user => user?.hidden === true || user?.invisible === true || user?.isHidden === true || user?.systemAccount === true)
}))

vi.mock('../server/utils/members.js', () => ({
  readMembers: vi.fn()
}))

vi.mock('../server/utils/termine.js', () => ({
  readTermine: vi.fn().mockResolvedValue([])
}))

vi.mock('../server/utils/news.js', () => ({
  readNews: vi.fn().mockResolvedValue([])
}))

vi.mock('../server/utils/spielplan-data.js', () => ({
  getDefaultSpielplanSeason: vi.fn().mockResolvedValue('25--26'),
  readSpielplanData: vi.fn().mockResolvedValue({ data: [] })
}))

vi.mock('../server/utils/push-notifications.js', () => ({
  sendPushToUsers: vi.fn().mockResolvedValue({ sent: 1, failed: 0, removed: 0, recipients: 1, tokenCount: 1, skipped: false })
}))

vi.mock('../server/utils/logger.js', () => ({
  error: vi.fn(),
  info: vi.fn(),
  warn: vi.fn()
}))

const authUtils = await import('../server/utils/auth.js')
const memberUtils = await import('../server/utils/members.js')
const pushUtils = await import('../server/utils/push-notifications.js')

const { runNotificationSchedulerTick } = await import('../server/utils/notification-scheduler.js')

const schedulerNow = new Date('2026-06-14T07:00:00.000Z')
const recipient = {
  id: 'recipient',
  name: 'Push Empfaenger',
  active: true,
  notificationSettings: {
    birthdays: true,
    notificationTime: '09:00'
  }
}

describe('Notification Scheduler', () => {
  beforeEach(() => {
    vi.clearAllMocks()
    vi.spyOn(fs, 'readFile').mockRejectedValue(Object.assign(new Error('ENOENT'), { code: 'ENOENT' }))
    vi.spyOn(fs, 'mkdir').mockResolvedValue(undefined)
    vi.spyOn(fs, 'writeFile').mockResolvedValue(undefined)
    memberUtils.readMembers.mockResolvedValue([])
    authUtils.readUsers.mockResolvedValue([recipient])
  })

  it('sendet Geburtstags-Push nur fuer Mitglieder mit expliziter Geburtstagsfreigabe', async () => {
    memberUtils.readMembers.mockResolvedValue([
      { firstName: 'Erlaubt', lastName: 'Person', active: true, geburtsdatum: '1990-06-14', visibility: { showBirthday: true } },
      { firstName: 'Privat', lastName: 'Person', active: true, geburtsdatum: '1990-06-14', visibility: { showBirthday: false } },
      { firstName: 'Unklar', lastName: 'Person', active: true, geburtsdatum: '1990-06-14' }
    ])

    await runNotificationSchedulerTick(schedulerNow)

    expect(pushUtils.sendPushToUsers).toHaveBeenCalledTimes(1)
    expect(pushUtils.sendPushToUsers).toHaveBeenCalledWith(expect.objectContaining({
      title: 'Geburtstage heute',
      body: 'Erlaubt Person hat heute Geburtstag.',
      data: { type: 'birthdays', date: '2026-06-14' }
    }))
  })

  it('nennt bei mehreren Geburtstags-Pushes nur Namen und kein Alter', async () => {
    memberUtils.readMembers.mockResolvedValue([
      { firstName: 'Anna', lastName: 'Beispiel', active: true, geburtsdatum: '1980-06-14', visibility: { showBirthday: true } },
      { firstName: 'Bert', lastName: 'Beispiel', active: true, geburtsdatum: '2010-06-14', visibility: { showBirthday: true } }
    ])

    await runNotificationSchedulerTick(schedulerNow)

    const payload = pushUtils.sendPushToUsers.mock.calls[0][0]
    expect(payload.body).toBe('Geburtstage heute: Anna Beispiel, Bert Beispiel.')
    expect(payload.body).not.toMatch(/\b\d+\b/)
    expect(payload.body).not.toContain('Jahre')
  })
})