import * as T from "../types"
import FileHelper from "./fileHelper"
import nullIfEmpty from "./nullIfEmpty"
import {
  CheckResult,
  checkPortListening,
  checkWebUrl,
} from "../health/checkFns"
import { ExtractStore } from "../types"
import { GetSystemSmtp } from "./GetSystemSmtp"
import { LocalBinding } from "../mainFn/LocalBinding"
import { LocalPort } from "../mainFn/LocalPort"
import { NetworkBuilder } from "../mainFn/NetworkBuilder"
import { TorHostname } from "../mainFn/TorHostname"
import { DefaultString } from "../config/configTypes"
import { getDefaultString } from "./getDefaultString"
import { GetStore, getStore } from "../store/getStore"
import { GetVault, getVault } from "./getVault"
import {
  MountDependenciesOut,
  mountDependencies,
} from "../dependency/mountDependencies"
import {
  ManifestId,
  VolumeName,
  NamedPath,
  Path,
} from "../dependency/setupDependencyMounts"

export type Utils<Store, Vault, WrapperOverWrite = { const: never }> = {
  createOrUpdateVault: (opts: {
    key: string
    value: string | null | undefined
    generator: DefaultString
  }) => Promise<null | string>
  readFile: <A>(fileHelper: FileHelper<A>) => ReturnType<FileHelper<A>["read"]>
  writeFile: <A>(
    fileHelper: FileHelper<A>,
    data: A,
  ) => ReturnType<FileHelper<A>["write"]>
  getSystemSmtp: () => GetSystemSmtp & WrapperOverWrite
  store: {
    get: <Path extends string>(
      packageId: string,
      path: T.EnsureStorePath<Store, Path>,
    ) => GetStore<Store, Path> & WrapperOverWrite
    getOwn: <Path extends string>(
      path: T.EnsureStorePath<Store, Path>,
    ) => GetStore<Store, Path> & WrapperOverWrite
    setOwn: <Path extends string | never>(
      path: T.EnsureStorePath<Store, Path>,
      value: ExtractStore<Store, Path>,
    ) => Promise<void>
  }
  vault: {
    get: (key: keyof Vault & string) => GetVault<Vault> & WrapperOverWrite
    set: (key: keyof Vault & string, value: string) => Promise<void>
  }
  checkPortListening(
    port: number,
    options: {
      errorMessage: string
      successMessage: string
      timeoutMessage?: string
      timeout?: number
    },
  ): Promise<CheckResult>
  checkWebUrl(
    url: string,
    options?: {
      timeout?: number
      successMessage?: string
      errorMessage?: string
    },
  ): Promise<CheckResult>
  bindLan: (port: number) => Promise<LocalBinding>
  networkBuilder: () => NetworkBuilder
  torHostName: (id: string) => TorHostname
  nullIfEmpty: typeof nullIfEmpty
  mountDependencies: <
    In extends
      | Record<ManifestId, Record<VolumeName, Record<NamedPath, Path>>>
      | Record<VolumeName, Record<NamedPath, Path>>
      | Record<NamedPath, Path>
      | Path,
  >(
    value: In,
  ) => Promise<MountDependenciesOut<In>>
}
export const utils = <
  Store = never,
  Vault = never,
  WrapperOverWrite = { const: never },
>(
  effects: T.Effects,
): Utils<Store, Vault, WrapperOverWrite> => ({
  createOrUpdateVault: async ({
    key,
    value,
    generator,
  }: {
    key: string
    value: string | null | undefined
    generator: DefaultString
  }) => {
    if (value) {
      await effects.vault.set({ key, value })
      return value
    }
    if (await effects.vault.get({ key, callback: noop })) {
      return null
    }
    const newValue = getDefaultString(generator)
    await effects.vault.set({ key, value: newValue })
    return newValue
  },
  getSystemSmtp: () =>
    new GetSystemSmtp(effects) as GetSystemSmtp & WrapperOverWrite,
  readFile: <A>(fileHelper: FileHelper<A>) => fileHelper.read(effects),
  writeFile: <A>(fileHelper: FileHelper<A>, data: A) =>
    fileHelper.write(data, effects),
  nullIfEmpty,
  store: {
    get: <Path extends string = never>(
      packageId: string,
      path: T.EnsureStorePath<Store, Path>,
    ) =>
      getStore<Store, Path>(effects, path as any, {
        packageId,
      }) as any,
    getOwn: <Path extends string>(path: T.EnsureStorePath<Store, Path>) =>
      getStore<Store, Path>(effects, path as any) as any,
    setOwn: <Path extends string | never>(
      path: T.EnsureStorePath<Store, Path>,
      value: ExtractStore<Store, Path>,
    ) => effects.store.set<Store, Path>({ value, path: path as any }),
  },
  checkPortListening: checkPortListening.bind(null, effects),
  checkWebUrl: checkWebUrl.bind(null, effects),
  bindLan: async (port: number) => LocalPort.bindLan(effects, port),
  networkBuilder: () => NetworkBuilder.of(effects),
  torHostName: (id: string) => TorHostname.of(effects, id),

  vault: {
    get: (key: keyof Vault & string) =>
      getVault<Vault>(effects, key) as GetVault<Vault> & WrapperOverWrite,
    set: (key: keyof Vault & string, value: string) =>
      effects.vault.set({ key, value }),
  },
  mountDependencies: <
    In extends
      | Record<ManifestId, Record<VolumeName, Record<NamedPath, Path>>>
      | Record<VolumeName, Record<NamedPath, Path>>
      | Record<NamedPath, Path>
      | Path,
  >(
    value: In,
  ) => mountDependencies(effects, value),
})
function noop(): void {}