import type {
  BinaryResolution,
  DirectoryResolution,
  GitResolution,
  Resolution,
} from '@pnpm/resolving.resolver-base'
import type { Cafs, FilesMap } from '@pnpm/store.cafs-types'
import type { AllowBuild, BundledManifest, DependencyManifest } from '@pnpm/types'

export interface PkgNameVersion {
  name?: string
  version?: string
}

export interface FetchOptions {
  allowBuild?: AllowBuild
  filesIndexFile: string
  lockfileDir: string
  onStart?: (totalSize: number | null, attempt: number) => void
  onProgress?: (downloaded: number) => void
  readManifest?: boolean
  pkg: PkgNameVersion
  appendManifest?: DependencyManifest
  /**
   * Regex source (compatible with `new RegExp(pattern)`) matching file paths inside the
   * downloaded archive that should be skipped during extraction. Honored by tarball fetchers.
   */
  ignoreFilePattern?: string
}

export type FetchFunction<FetcherResolution = Resolution, Options = FetchOptions, Result = FetchResult> = (
  cafs: Cafs,
  resolution: FetcherResolution,
  opts: Options
) => Promise<Result>

export interface FetchResult {
  local?: boolean
  manifest?: BundledManifest
  filesMap: FilesMap
  requiresBuild: boolean
  integrity?: string
}

export interface GitFetcherOptions {
  allowBuild?: AllowBuild
  readManifest?: boolean
  filesIndexFile: string
  pkg?: PkgNameVersion
}

export interface GitFetcherResult {
  filesMap: FilesMap
  manifest?: BundledManifest
  requiresBuild: boolean
}

export type GitFetcher = FetchFunction<GitResolution, GitFetcherOptions, GitFetcherResult>

export type BinaryFetcher = FetchFunction<BinaryResolution>

export interface DirectoryFetcherOptions {
  lockfileDir: string
  readManifest?: boolean
}

export interface DirectoryFetcherResult {
  local: true
  filesMap: FilesMap
  packageImportMethod: 'hardlink'
  manifest?: DependencyManifest
  requiresBuild: boolean
}

export type DirectoryFetcher = FetchFunction<DirectoryResolution, DirectoryFetcherOptions, DirectoryFetcherResult>

export interface Fetchers {
  localTarball: FetchFunction
  remoteTarball: FetchFunction
  gitHostedTarball: FetchFunction
  directory: DirectoryFetcher
  git: GitFetcher
  binary: BinaryFetcher
}