import { assert, describe, it } from "@effect/vitest";import * as NodeServices from "@effect/platform-node/NodeServices";import type { DesktopUpdateState } from "@t3tools/contracts";import * as Cause from "effect/Cause";import * as Deferred from "effect/Deferred";import * as Duration from "effect/Duration";import * as Effect from "effect/Effect";import * as Fiber from "effect/Fiber";import * as Layer from "effect/Layer";import * as Option from "effect/Option";import { TestClock } from "effect/testing"; import * as DesktopBackendManager from "../backend/DesktopBackendManager.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"; interface UpdatesHarnessOptions {  readonly checkForUpdates?: Effect.Effect<    void,    ElectronUpdater.ElectronUpdaterCheckForUpdatesError  >;  readonly env?: Record<string, string | undefined>;} const flushCallbacks = Effect.yieldNow; function makeHarness(options: UpdatesHarnessOptions = {}) {  let checkCount = 0;  let allowDowngrade = false;  const feedUrls: ElectronUpdater.ElectronUpdaterFeedUrl[] = [];  const listeners = new Map<string, Set<(...args: readonly unknown[]) => void>>();  const sentStates: DesktopUpdateState[] = [];   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;      }),    setDisableDifferentialDownload: () => Effect.void,    checkForUpdates: Effect.sync(() => {      checkCount += 1;    }).pipe(Effect.andThen(options.checkForUpdates ?? Effect.void)),    downloadUpdate: Effect.void,    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.ElectronUpdaterShape);   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,    reveal: () => Effect.void,    sendAll: (_channel, state) =>      Effect.sync(() => {        sentStates.push(state as DesktopUpdateState);      }),    destroyAll: Effect.void,    syncAllAppearance: () => Effect.void,  } satisfies ElectronWindow.ElectronWindowShape);   const backendLayer = Layer.succeed(DesktopBackendManager.DesktopBackendManager, {    start: Effect.void,    stop: () => Effect.void,    currentConfig: Effect.succeed(Option.none()),    snapshot: Effect.succeed({      desiredRunning: false,      ready: false,      activePid: Option.none(),      restartAttempt: 0,      restartScheduled: false,    }),  });   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,        }),      ),    ),  );   const layer = DesktopUpdates.layer.pipe(    Layer.provideMerge(updaterLayer),    Layer.provideMerge(windowLayer),    Layer.provideMerge(backendLayer),    Layer.provideMerge(DesktopState.layer),    Layer.provideMerge(DesktopAppSettings.layer),    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,    feedUrls: () => feedUrls,    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);      }    },  };} describe("DesktopUpdates", () => {  it.effect("configures the updater and runs startup checks on the test clock", () => {    const harness = makeHarness();     return Effect.gen(function* () {      yield* Effect.scoped(        Effect.gen(function* () {          const updates = yield* DesktopUpdates.DesktopUpdates;          yield* updates.configure;           const state = yield* updates.getState;          assert.equal(state.enabled, true);          assert.equal(state.status, "idle");          assert.deepEqual(harness.feedUrls(), [            { provider: "generic", url: "http://localhost:4141" },          ]);          assert.equal(harness.listenerCount(), 6);          assert.equal(harness.checkCount(), 0);           yield* TestClock.adjust(Duration.millis(15_000));          assert.equal(harness.checkCount(), 1);        }),      );       assert.equal(harness.listenerCount(), 0);    }).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("updates and broadcasts state from updater events", () => {    const harness = makeHarness();     return Effect.scoped(      Effect.gen(function* () {        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;         harness.emit("update-available", { version: "1.2.4" });        yield* flushCallbacks;         const state = yield* updates.getState;        assert.equal(state.status, "available");        assert.equal(state.availableVersion, "1.2.4");        assert.isNotNull(state.checkedAt);        assert.equal(harness.sentStates.at(-1)?.status, "available");      }),    ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("persists channel changes through the settings service", () => {    const harness = makeHarness();     return Effect.scoped(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;         const state = yield* updates.setChannel("nightly");        const persistedSettings = yield* settings.get;         assert.equal(state.channel, "nightly");        assert.equal(persistedSettings.updateChannel, "nightly");        assert.equal(persistedSettings.updateChannelConfiguredByUser, true);      }),    ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("does not persist an unchanged update channel as a user preference", () => {    const harness = makeHarness();     return Effect.scoped(      Effect.gen(function* () {        const settings = yield* DesktopAppSettings.DesktopAppSettings;        const updates = yield* DesktopUpdates.DesktopUpdates;        yield* updates.configure;         const state = yield* updates.setChannel("latest");        const persistedSettings = yield* settings.get;         assert.equal(state.channel, "latest");        assert.equal(persistedSettings.updateChannel, "latest");        assert.equal(persistedSettings.updateChannelConfiguredByUser, false);      }),    ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));  });   it.effect("fails channel changes with a typed error while a check is in progress", () =>    Effect.gen(function* () {      const checkStarted = yield* Deferred.make<void>();      const releaseCheck = yield* Deferred.make<void>();      const harness = makeHarness({        checkForUpdates: Deferred.succeed(checkStarted, undefined).pipe(          Effect.andThen(Deferred.await(releaseCheck)),        ),      });       yield* Effect.scoped(        Effect.gen(function* () {          const updates = yield* DesktopUpdates.DesktopUpdates;          yield* updates.configure;           const checkFiber = yield* updates.check("manual").pipe(Effect.forkScoped);          yield* Deferred.await(checkStarted);           const exit = yield* Effect.exit(updates.setChannel("nightly"));          assert.equal(exit._tag, "Failure");          if (exit._tag === "Failure") {            const error = Cause.squash(exit.cause);            assert.instanceOf(error, DesktopUpdates.DesktopUpdateActionInProgressError);            assert.equal(error.action, "check");          }           yield* Deferred.succeed(releaseCheck, undefined);          yield* Fiber.join(checkFiber);        }),      ).pipe(Effect.provide(Layer.merge(TestClock.layer(), harness.layer)));    }),  );});