import { IPlatformService } from '../platform/platformResolver'

import {
  DehydratedElementData,
  ElementData,
  ElementDataWrapper,
} from './element.interface'

export interface DehydratedElement {
  state: string
  data: DehydratedElementData
  originalData: DehydratedElementData
  geohash?: string
  type: string
  hash: string
  parent?: string
  childrenData: ElementData[]
}
export type DehydratedStringifiedElement = DehydratedElement & {
  data: string
  originalData: string
  childrenData: string[]
}
export interface IOfflineServiceImplementation extends IPlatformService {
  initializeStorage: () => Promise<void>
  saveElement: (hash: string, element: DehydratedElement) => Promise<void>
  removeElement: (hash: string) => Promise<void>
  getElement: (hash: string) => DehydratedElement | null
  getElementsList: () => Promise<string[]>
  getLocalElementsList: () => Promise<string[]>
  saveListing: (hash: string, data: ElementDataWrapper[]) => Promise<void>
  getListing: (hash: string) => Promise<ElementDataWrapper[]>
  clearElementsAndListing: () => Promise<void>
  getItem: <T = string>(key: string) => Promise<T>
  getAllKeys: () => Promise<string[]>
  setItem: <T = string>(key: string, value: T) => Promise<void>
  removeItem: (key: string) => Promise<void>
}

export interface IOfflineService {
  implementation?: IOfflineServiceImplementation
  initialize: () => Promise<void>
  initialized: () => boolean
}

export interface OfflineStatus {
  currentStep?: string
  lastError?: string
  completedAt?: string
}