import {
  errorResult,
  handleServiceError,
  type ServiceCallOptions,
  type ServiceResult,
  shouldBubbleErrorToParent,
  successResult,
} from '@/services/errorHandler'
import { getNotifications } from '@/api/generated/notifications/notifications'
import { clearStoredPushSubscriptionId, getStoredPushSubscriptionId, unsubscribeBrowserPushManager } from '@/lib/pwa'

const notificationsApi = getNotifications()

const UNSUBSCRIBE_PUSH = async (
  subscriptionId: string,
  options?: ServiceCallOptions
): Promise<ServiceResult<{ deleted: boolean }>> => {
  try {
    await notificationsApi.notificationsControllerUnsubscribePush(subscriptionId)

    return successResult({ deleted: true })
  } catch (error) {
    const normalizedError = handleServiceError(error, options)

    if (shouldBubbleErrorToParent(options)) {
      throw normalizedError
    }

    return errorResult(normalizedError)
  }
}

/** Best-effort cleanup on admin logout — no subscribe flow in this app. */
export const unsubscribeCurrentDevicePush = async (): Promise<void> => {
  const subscriptionId = getStoredPushSubscriptionId()

  try {
    if (subscriptionId) {
      await UNSUBSCRIBE_PUSH(subscriptionId, { errorMode: 'silent' })
    }
  } finally {
    clearStoredPushSubscriptionId()
    await unsubscribeBrowserPushManager().catch(() => undefined)
  }
}