import * as admin from 'firebase-admin'

// Initialize the Admin SDK once for every function in this codebase.
// Handlers call admin.firestore()/messaging() lazily at invocation time, so a
// single idempotent init here is sufficient and avoids "already exists" errors.
if (admin.apps.length === 0) {
  admin.initializeApp()
}

export { revenueCatWebhook } from './billing/revenueCatWebhook'
export { syncEntitlement } from './billing/syncEntitlement'
export {
  sendDailyQuestionReminder,
  sendPartnerAnsweredNotification,
} from './notifications/reminders'
export { sendGentleReminderCallable } from './notifications/sendGentleReminderCallable'
export {
  sendChallengeDayReminders,
  unlockDueMemoryCapsules,
} from './notifications/gameRetention'
export { sendDailyQuestionProactiveReminder } from './notifications/dailyQuestionReminder'
export { sendReengagementReminder } from './notifications/reengagement'
export { checkDeviceIntegrity } from './security/checkDeviceIntegrity'
export { notifyOnDateMatch } from './dates/createDateMatch'
export {
  assignDailyQuestion,
  assignDailyQuestionCallable,
} from './questions/assignDailyQuestion'
export { onAnswerWritten } from './questions/onAnswerWritten'
export { onMessageWritten } from './questions/onMessageWritten'
export { onCoupleLeave } from './couples/onCoupleLeave'
export { leaveCoupleCallable } from './couples/leaveCoupleCallable'
export { acceptInviteCallable } from './couples/acceptInviteCallable'
export { createInviteCallable } from './couples/createInviteCallable'
export { submitOutcomeCallable } from './couples/submitOutcomeCallable'
export { scheduledOutcomesReminder } from './couples/scheduledOutcomesReminder'
export { onUserDelete } from './users/onUserDelete'
export { onGameSessionUpdate } from './games/onGameSessionUpdate'

// NOTE (security review Batch 2): the unauthenticated public `health` HTTP endpoint
// was removed to shrink attack surface. Deployment can be verified via
// `firebase functions:list`. If an uptime probe is ever needed, re-add it behind
// auth / a shared secret rather than as an open endpoint.