import type { HybridObject } from 'react-native-nitro-modules'

export type FileEncoding = 'utf8' | 'base64'

export interface FileDirectories {
  documents: string
  cache: string
  applicationSupport: string
  temporary: string
}

export interface FileInfo {
  uri: string
  exists: boolean
  isDirectory: boolean
  size?: number
  modifiedAt?: number
}

export interface FileEntry {
  name: string
  uri: string
  isDirectory: boolean
}

// native backing for the File, Directory, Paths and FileHandle classes,
// mirroring expo-file-system. sync methods block the calling thread like
// their expo counterparts (textSync, writeSync, list, open); the Async
// twins run on the module queue. the js entry validates arguments first,
// so native trusts shapes but still guards.

export interface DiskSpace {
  available: number
  total: number
}

export interface PathStat {
  exists: boolean
  isDirectory?: boolean
}

export interface ListedEntry {
  name: string
  uri: string
  isDirectory: boolean
}

export interface DetailedFileInfo {
  exists: boolean
  size: number
  modificationTime?: number
  creationTime?: number
  mimeType: string
}

export interface DetailedDirectoryInfo {
  exists: boolean
  size?: number
  modificationTime?: number
  creationTime?: number
  files?: string[]
}

export interface OneFileSystem extends HybridObject<{ ios: 'swift'; android: 'kotlin' }> {
  getDirectories(): FileDirectories
  getInfo(uri: string): Promise<FileInfo>
  readDirectory(uri: string): Promise<FileEntry[]>
  makeDirectory(uri: string, intermediates: boolean): Promise<void>
  writeFile(uri: string, contents: string, encoding: FileEncoding): Promise<void>
  copy(fromUri: string, toUri: string): Promise<void>
  move(fromUri: string, toUri: string): Promise<void>
  remove(uri: string): Promise<void>
  getBundleDirectory(): string
  getDiskSpace(): DiskSpace
  pathInfo(uri: string): PathStat
  readText(uri: string): string
  readTextAsync(uri: string): Promise<string>
  readData(uri: string): ArrayBuffer
  readDataAsync(uri: string): Promise<ArrayBuffer>
  readBase64(uri: string): string
  readBase64Async(uri: string): Promise<string>
  writeText(uri: string, contents: string, encoding: FileEncoding, append: boolean): void
  writeTextAsync(
    uri: string,
    contents: string,
    encoding: FileEncoding,
    append: boolean
  ): Promise<void>
  writeData(uri: string, bytes: ArrayBuffer, append: boolean): void
  writeDataAsync(uri: string, bytes: ArrayBuffer, append: boolean): Promise<void>
  fileDigest(uri: string, algorithm: string): Promise<string>
  createFileEntry(uri: string, intermediates: boolean, overwrite: boolean): void
  createDirectoryEntry(
    uri: string,
    intermediates: boolean,
    overwrite: boolean,
    idempotent: boolean
  ): void
  createFileInDirectory(dirUri: string, name: string): string
  createSubdirectory(dirUri: string, name: string): string
  deleteEntry(uri: string): void
  renameEntry(uri: string, newName: string): string
  copyEntry(fromUri: string, toUri: string, overwrite: boolean): void
  copyEntryAsync(fromUri: string, toUri: string, overwrite: boolean): Promise<void>
  moveEntry(fromUri: string, toUri: string, overwrite: boolean): void
  moveEntryAsync(fromUri: string, toUri: string, overwrite: boolean): Promise<void>
  listEntries(uri: string): ListedEntry[]
  fileDetails(uri: string): DetailedFileInfo
  directoryDetails(uri: string): DetailedDirectoryInfo
  openFile(uri: string, mode: string): number
  closeFile(handle: number): void
  readHandle(handle: number, length: number): ArrayBuffer
  readHandleAsync(handle: number, length: number): Promise<ArrayBuffer>
  writeHandle(handle: number, bytes: ArrayBuffer): void
  writeHandleAsync(handle: number, bytes: ArrayBuffer): Promise<void>
  getHandleOffset(handle: number): number
  setHandleOffset(handle: number, offset: number): void
  getHandleSize(handle: number): number
}