import type { FavoriteRemoval, HistoryRemoval } from '~/utils/userData'
import { useStorage } from '@vueuse/core'
import { namespace } from '~/constants'

/**
 * Deletion bookkeeping kept next to `cook:favorites` and `cook:history`, which
 * stay in their original format. Deletions are recorded so they survive an
 * export/import round trip instead of resurrecting removed records.
 */
export interface UserDataMeta {
  favoriteRemovals: FavoriteRemoval[]
  historyRemovals: HistoryRemoval[]
  historyClearedAt: number
}

export const userDataMeta = useStorage<UserDataMeta>(`${namespace}:sync`, {
  favoriteRemovals: [],
  historyRemovals: [],
  historyClearedAt: 0,
}, undefined, { mergeDefaults: true })