import * as NodeServices from "@effect/platform-node/NodeServices";import type { DesktopUpdateState } from "@t3tools/contracts";import * as Effect from "effect/Effect";import * as Layer from "effect/Layer";import * as Option from "effect/Option"; import * as DesktopBackendPool from "../backend/DesktopBackendPool.ts";import * as DesktopConfig from "../app/DesktopConfig.ts";import * as DesktopEnvironment from "../app/DesktopEnvironment.ts";import * as ElectronUpdater from "../electron/ElectronUpdater.ts";import * as ElectronWindow from "../electron/ElectronWindow.ts";import * as DesktopAppSettings from "../settings/DesktopAppSettings.ts";import * as DesktopState from "../app/DesktopState.ts";import * as DesktopUpdates from "./DesktopUpdates.ts"; /** Shared DesktopUpdates test harness: a fully stubbed updater layer whose    electron-updater events are driven by hand via `emit`. Used by    DesktopUpdates.test.ts and DesktopRemoteUpdates.test.ts. */ export const flushCallbacks = Effect.yieldNow; export interface UpdatesHarnessOptions {  readonly checkForUpdates?: Effect.Effect<    void,    ElectronUpdater.ElectronUpdaterCheckForUpdatesError  >;  readonly beforeSetUpdateChannel?: Effect.Effect<void>;  readonly setUpdateChannelError?: DesktopAppSettings.DesktopSettingsWriteError;  readonly setDisableDifferentialDownload?: Effect.Effect<void>;  readonly downloadUpdate?: Effect.Effect<void>;  readonly quitAndInstall?: Effect.Effect<void, ElectronUpdater.ElectronUpdaterQuitAndInstallError>;  readonly stopBackend?: Effect.Effect<void>;  readonly startBackend?: Effect.Effect<void>;  readonly env?: Record<string, string | undefined>;} export function makeHarness(options: UpdatesHarnessOptions = {}) {  let checkCount = 0;  let quitAndInstallCount = 0;  let downloadCount = 0;  let allowDowngrade = false;  let fullChangelog = false;  const feedUrls: ElectronUpdater.ElectronUpdaterFeedUrl[] = [];  const listeners = new Map<string, Set<(...args: readonly unknown[]) => void>>();  const sentStates: DesktopUpdateState[] = [];  const installSteps: string[] = [];   const addListener = (eventName: string, listener: (...args: readonly unknown[]) => void) => {    const eventListeners = listeners.get(eventName) ?? new Set();    eventListeners.add(listener);    listeners.set(eventName, eventListeners);  };   const removeListener = (eventName: string, listener: (...args: readonly unknown[]) => void) => {    const eventListeners = listeners.get(eventName);    if (!eventListeners) {      return;    }    eventListeners.delete(listener);    if (eventListeners.size === 0) {      listeners.delete(eventName);    }  };   const updaterLayer = Layer.succeed(ElectronUpdater.ElectronUpdater, {    setFeedURL: (options) =>      Effect.sync(() => {        feedUrls.push(options);      }),    setAutoDownload: () => Effect.void,    setAutoInstallOnAppQuit: () => Effect.void,    setChannel: () => Effect.void,    setAllowPrerelease: () => Effect.void,    allowDowngrade: Effect.sync(() => allowDowngrade),    setAllowDowngrade: (value) =>      Effect.sync(() => {        allowDowngrade = value;      }),    setFullChangelog: (value) =>      Effect.sync(() => {        fullChangelog = value;      }),    setDisableDifferentialDownload: () => options.setDisableDifferentialDownload ?? Effect.void,    checkForUpdates: Effect.sync(() => {      checkCount += 1;    }).pipe(Effect.andThen(options.checkForUpdates ?? Effect.void)),    downloadUpdate: Effect.sync(() => {      downloadCount += 1;    }).pipe(Effect.andThen(options.downloadUpdate ?? Effect.void)),    quitAndInstall: () =>      Effect.sync(() => {        quitAndInstallCount += 1;        installSteps.push("quitAndInstall");      }).pipe(Effect.andThen(options.quitAndInstall ?? Effect.void)),    on: (eventName, listener) =>      Effect.acquireRelease(        Effect.sync(() => {          addListener(eventName, listener as unknown as (...args: readonly unknown[]) => void);        }),        () =>          Effect.sync(() => {            removeListener(eventName, listener as unknown as (...args: readonly unknown[]) => void);          }),      ).pipe(Effect.asVoid),  } satisfies ElectronUpdater.ElectronUpdater["Service"]);   const windowLayer = Layer.succeed(ElectronWindow.ElectronWindow, {    create: () => Effect.die("unexpected BrowserWindow creation"),    main: Effect.succeed(Option.none()),    currentMainOrFirst: Effect.succeed(Option.none()),    focusedMainOrFirst: Effect.succeed(Option.none()),    setMain: () => Effect.void,    clearMain: () => Effect.void,    prepareReveal: () => Effect.succeed(false),    reveal: () => Effect.void,    sendAll: (_channel, state) =>      Effect.sync(() => {        sentStates.push(state as DesktopUpdateState);      }),    destroyAll: Effect.sync(() => {      installSteps.push("destroyAll");    }),    syncAllAppearance: () => Effect.void,  } satisfies ElectronWindow.ElectronWindow["Service"]);   const stubBackendInstance: DesktopBackendPool.DesktopBackendInstance = {    id: DesktopBackendPool.PRIMARY_INSTANCE_ID,    label: Effect.succeed("Windows"),    start: Effect.sync(() => {      installSteps.push("startBackend");    }).pipe(Effect.andThen(options.startBackend ?? Effect.void)),    stop: () => options.stopBackend ?? Effect.void,    currentConfig: Effect.succeed(Option.none()),    snapshot: Effect.succeed({      desiredRunning: false,      ready: false,      activePid: Option.none(),      restartAttempt: 0,      restartScheduled: false,    }),    waitForReady: () => Effect.succeed(true),  };  const backendLayer = DesktopBackendPool.layerTest([stubBackendInstance]);   const environmentLayer = DesktopEnvironment.layer({    dirname: "/repo/apps/desktop/src",    homeDirectory: `/tmp/t3-desktop-updates-home-${process.pid}`,    platform: "darwin",    processArch: "x64",    appVersion: "1.2.3",    appPath: "/repo",    isPackaged: true,    resourcesPath: "/missing/resources",    runningUnderArm64Translation: false,  }).pipe(    Layer.provide(      Layer.mergeAll(        NodeServices.layer,        DesktopConfig.layerTest({          T3CODE_HOME: `/tmp/t3-desktop-updates-test-${process.pid}`,          T3CODE_DESKTOP_MOCK_UPDATES: "true",          T3CODE_DESKTOP_MOCK_UPDATE_SERVER_PORT: "4141",          ...options.env,        }),      ),    ),  );   let testSettings: DesktopAppSettings.DesktopSettings = {    ...DesktopAppSettings.DEFAULT_DESKTOP_SETTINGS,  };  const setUpdateChannelError = options.setUpdateChannelError;  const settingsLayer =    setUpdateChannelError || options.beforeSetUpdateChannel      ? Layer.succeed(DesktopAppSettings.DesktopAppSettings, {          get: Effect.sync(() => testSettings),          load: Effect.sync(() => testSettings),          setMainWindowBounds: () => Effect.die("unexpected main window bounds update"),          setServerExposureMode: () => Effect.die("unexpected server exposure update"),          setTailscaleServe: () => Effect.die("unexpected Tailscale Serve update"),          setUpdateChannel: (channel) =>            setUpdateChannelError              ? Effect.fail(setUpdateChannelError)              : (options.beforeSetUpdateChannel ?? Effect.void).pipe(                  Effect.andThen(                    Effect.sync(() => {                      const changed = testSettings.updateChannel !== channel;                      testSettings = {                        ...testSettings,                        updateChannel: channel,                        updateChannelConfiguredByUser: true,                      };                      return { settings: testSettings, changed };                    }),                  ),                ),          setWslBackendEnabled: () => Effect.die("unexpected WSL backend toggle"),          setWslDistro: () => Effect.die("unexpected WSL distro change"),          setWslOnly: () => Effect.die("unexpected WSL-only toggle"),          applyWslWindowsFallback: Effect.die("unexpected WSL Windows fallback"),          applyWslWindowsFallbackInMemory: Effect.die("unexpected WSL Windows fallback"),        } satisfies DesktopAppSettings.DesktopAppSettings["Service"])      : DesktopAppSettings.layer;   const layer = DesktopUpdates.layer.pipe(    Layer.provideMerge(updaterLayer),    Layer.provideMerge(windowLayer),    Layer.provideMerge(backendLayer),    Layer.provideMerge(DesktopState.layer),    Layer.provideMerge(settingsLayer),    Layer.provideMerge(      DesktopConfig.layerTest({        T3CODE_HOME: `/tmp/t3-desktop-updates-test-${process.pid}`,        T3CODE_DESKTOP_MOCK_UPDATES: "true",        T3CODE_DESKTOP_MOCK_UPDATE_SERVER_PORT: "4141",        ...options.env,      }),    ),    Layer.provideMerge(environmentLayer),    Layer.provideMerge(NodeServices.layer),  );   return {    layer,    checkCount: () => checkCount,    quitAndInstalls: () => quitAndInstallCount,    installSteps,    downloadCount: () => downloadCount,    feedUrls: () => feedUrls,    fullChangelog: () => fullChangelog,    listenerCount: () =>      Array.from(listeners.values()).reduce(        (total, eventListeners) => total + eventListeners.size,        0,      ),    sentStates,    emit: (eventName: string, payload?: unknown) => {      for (const listener of listeners.get(eventName) ?? []) {        listener(payload);      }    },  };}