#!/usr/bin/env node
/**
 * Wartungs-Abo: legt die Collections subscriptions, hourCredits, takeoverCredits
 * (Uebernahmegutschriften) und aboOffers (individuelle Angebote) in woms-database an und
 * ergaenzt worksheets um das Flag countsToPlan ("zaehlt aufs Abo-Stundenkonto").
 * Idempotent: existierende Collection/Attribute/Indexe werden uebersprungen.
 * Usage (im Container): docker exec -w /app webklar-kundenbereich-server node scripts/setup-abo-collections.mjs
 */
const endpoint = (process.env.APPWRITE_ENDPOINT || 'https://ticket.webklar.com/v1').replace(/\/$/, '')
const projectId = process.env.APPWRITE_PROJECT_ID || '6a1058610003c5a13a05'
const apiKey = process.env.APPWRITE_API_KEY
const databaseId = process.env.APPWRITE_DATABASE_ID || 'woms-database'

if (!apiKey) {
  console.error('APPWRITE_API_KEY erforderlich')
  process.exit(1)
}

async function aw(path, { method = 'GET', body } = {}) {
  const response = await fetch(`${endpoint}${path}`, {
    method,
    headers: {
      'Content-Type': 'application/json',
      'X-Appwrite-Project': projectId,
      'X-Appwrite-Key': apiKey,
    },
    body: body ? JSON.stringify(body) : undefined,
  })
  const data = await response.json().catch(() => ({}))
  if (!response.ok) {
    const err = new Error(data.message || `Appwrite ${response.status}`)
    err.status = response.status
    throw err
  }
  return data
}

async function ensure(label, fn) {
  try {
    await fn()
    console.log(`+ ${label}`)
  } catch (e) {
    if (e.status === 409 || /already exists/i.test(e.message)) {
      console.log(`= ${label} (existiert)`)
    } else {
      throw new Error(`${label}: ${e.message}`)
    }
  }
}

async function waitForAttributes(collectionId, keys, maxSec = 60) {
  // Ohne Limit liefert Appwrite nur 25 Attribute -> spaetere Attribute waeren nie "verfuegbar"
  const limit = encodeURIComponent(JSON.stringify({ method: 'limit', values: [100] }))
  for (let i = 0; i < maxSec; i += 1) {
    const { attributes } = await aw(`/databases/${databaseId}/collections/${collectionId}/attributes?queries[]=${limit}`)
    const pending = keys.filter((k) => attributes.find((a) => a.key === k)?.status !== 'available')
    if (!pending.length) return
    await new Promise((r) => setTimeout(r, 1000))
  }
  throw new Error(`Attribute in ${collectionId} wurden nicht verfuegbar`)
}

const col = (id) => `/databases/${databaseId}/collections/${id}`

async function ensureCollection(id, name, attributes, indexes) {
  // Keine Dokument-Permissions: Zugriff ausschliesslich ueber den Server-API-Key
  await ensure(`Collection ${id}`, () =>
    aw(`/databases/${databaseId}/collections`, {
      method: 'POST',
      body: { collectionId: id, name, permissions: [], documentSecurity: false },
    })
  )
  for (const a of attributes) {
    const { type, key, ...rest } = a
    await ensure(`${id}.${key}`, () =>
      aw(`${col(id)}/attributes/${type}`, { method: 'POST', body: { key, required: false, ...rest } })
    )
  }
  await waitForAttributes(id, attributes.map((a) => a.key))
  for (const idx of indexes) {
    await ensure(`${id} index ${idx.key}`, () =>
      aw(`${col(id)}/indexes`, { method: 'POST', body: idx })
    )
  }
}

await ensureCollection(
  'subscriptions',
  'Abos (Stripe)',
  [
    { type: 'string', key: 'customerId', size: 64 },
    { type: 'string', key: 'email', size: 255 },
    { type: 'string', key: 'stripeCustomerId', size: 64 },
    { type: 'string', key: 'stripeSubscriptionId', size: 64 },
    { type: 'string', key: 'status', size: 32 },
    { type: 'string', key: 'planKey', size: 64 },
    { type: 'integer', key: 'priceAmount' },
    { type: 'datetime', key: 'startedAt' },
    { type: 'datetime', key: 'currentPeriodEnd' },
    { type: 'boolean', key: 'cancelAtPeriodEnd' },
    { type: 'datetime', key: 'canceledAt' },
    { type: 'datetime', key: 'endedAt' },
    { type: 'string', key: 'termsVersion', size: 32 },
    { type: 'datetime', key: 'termsAcceptedAt' },
    { type: 'datetime', key: 'earlyStartConsentAt' },
    { type: 'datetime', key: 'cancelRequestedAt' },
    { type: 'datetime', key: 'withdrawalRequestedAt' },
    { type: 'datetime', key: 'confirmationSentAt' },
    // v2 (25.09.2026): Wahl des Leistungsbeginns + Nachweis der Zustimmung
    { type: 'string', key: 'startChoice', size: 16 },
    { type: 'datetime', key: 'trialEnd' },
    { type: 'string', key: 'consentIp', size: 64 },
    { type: 'string', key: 'consentUserAgent', size: 300 },
    { type: 'string', key: 'consentTextVersion', size: 32 },
    // v3: Beendigungszeitpunkt (Mindestlaufzeit / Wunschtermin)
    { type: 'datetime', key: 'cancelAt' },
    // Individuelles Angebot, mit dem das Abo abgeschlossen wurde (Nachweis der Preisabrede)
    { type: 'string', key: 'offerId', size: 64 },
    { type: 'string', key: 'offerText', size: 300 },
    // Plan 1: Produkt des Abos (wartung | hosting)
    { type: 'string', key: 'productKey', size: 16 },
  ],
  [
    { key: 'idx_customer', type: 'key', attributes: ['customerId'] },
    { key: 'idx_stripe_customer', type: 'key', attributes: ['stripeCustomerId'] },
  ]
)

await ensureCollection(
  'hourCredits',
  'Abo-Stundengutschriften',
  [
    { type: 'string', key: 'customerId', size: 64 },
    { type: 'string', key: 'stripeSubscriptionId', size: 64 },
    { type: 'string', key: 'stripeInvoiceId', size: 64 },
    { type: 'integer', key: 'minutes' },
    { type: 'datetime', key: 'grantedAt' },
    { type: 'datetime', key: 'expiresAt' },
    { type: 'string', key: 'source', size: 32 },
    { type: 'string', key: 'note', size: 500 },
  ],
  [{ key: 'idx_customer', type: 'key', attributes: ['customerId'] }]
)

// Uebernahmegutschrift: Antrag (Kunde) -> Pruefung/Entscheidung (Admin) -> Verrechnung (Stripe-Guthaben).
// Lange Texte mit size > 16381 werden in Appwrite zu TEXT-Spalten und zaehlen nicht zur Zeilenbreite.
await ensureCollection(
  'takeoverCredits',
  'Uebernahmegutschriften',
  [
    { type: 'string', key: 'customerId', size: 64 },
    { type: 'string', key: 'email', size: 255 },
    { type: 'string', key: 'services', size: 128 },
    { type: 'string', key: 'provider', size: 200 },
    { type: 'string', key: 'domain', size: 255 },
    { type: 'integer', key: 'invoiceAmountCents' },
    { type: 'integer', key: 'billingMonths' },
    { type: 'datetime', key: 'paidUntil' },
    { type: 'string', key: 'message', size: 20000 },
    { type: 'string', key: 'files', size: 20000 },
    { type: 'string', key: 'status', size: 20 },
    { type: 'string', key: 'history', size: 60000 },
    { type: 'datetime', key: 'takeoverFrom' },
    { type: 'integer', key: 'amountCents' },
    { type: 'string', key: 'calculation', size: 1000 },
    { type: 'string', key: 'checks', size: 1000 },
    { type: 'string', key: 'decisionNote', size: 20000 },
    { type: 'datetime', key: 'decidedAt' },
    { type: 'string', key: 'decidedBy', size: 255 },
    { type: 'string', key: 'stripeCustomerId', size: 64 },
    { type: 'string', key: 'stripeBalanceTransactionId', size: 64 },
    { type: 'datetime', key: 'appliedAt' },
    { type: 'string', key: 'conditionsVersion', size: 32 },
    { type: 'datetime', key: 'consentAt' },
    { type: 'string', key: 'consentIp', size: 64 },
  ],
  [
    { key: 'idx_customer', type: 'key', attributes: ['customerId'] },
    { key: 'idx_status', type: 'key', attributes: ['status'] },
  ]
)

// Individuelle Abo-Angebote: Admin legt vorab fest (z. B. erste 2 Monate je 25 €), Stripe-Coupon je Angebot
await ensureCollection(
  'aboOffers',
  'Abo-Angebote',
  [
    { type: 'string', key: 'customerId', size: 64 },
    { type: 'string', key: 'status', size: 20 },
    { type: 'string', key: 'scope', size: 16 },
    { type: 'integer', key: 'monthlyPriceCents' },
    { type: 'integer', key: 'regularPriceCents' },
    { type: 'integer', key: 'months' },
    { type: 'datetime', key: 'validUntil' },
    { type: 'string', key: 'note', size: 500 },
    { type: 'string', key: 'internalNote', size: 2000 },
    { type: 'string', key: 'stripeCouponId', size: 64 },
    { type: 'string', key: 'stripeSubscriptionId', size: 64 },
    { type: 'datetime', key: 'appliedAt' },
    { type: 'string', key: 'createdBy', size: 255 },
    { type: 'datetime', key: 'withdrawnAt' },
    { type: 'string', key: 'withdrawnBy', size: 255 },
    { type: 'datetime', key: 'notifiedAt' },
  ],
  [
    { key: 'idx_customer', type: 'key', attributes: ['customerId'] },
    { key: 'idx_status', type: 'key', attributes: ['status'] },
  ]
)

// Worksheet-Flag: nur markierte Arbeitszeit wird vom Abo-Guthaben abgezogen
await ensure('worksheets.countsToPlan', () =>
  aw(`${col('worksheets')}/attributes/boolean`, {
    method: 'POST',
    body: { key: 'countsToPlan', required: false, default: false },
  })
)
await waitForAttributes('worksheets', ['countsToPlan'])

console.log('Fertig.')