import type { DesktopUpdateActionResult, DesktopUpdateState } from "@t3tools/contracts";import { isWindowsPlatform } from "../lib/utils"; export type DesktopUpdateButtonAction = "download" | "install" | "none"; export function resolveDesktopUpdateButtonAction(  state: DesktopUpdateState,): DesktopUpdateButtonAction {  if (state.downloadedVersion) {    return "install";  }  if (state.status === "available") {    return "download";  }  if (state.status === "error") {    if (state.errorContext === "download" && state.availableVersion) {      return "download";    }  }  return "none";} export function shouldShowDesktopUpdateButton(state: DesktopUpdateState | null): boolean {  if (!state || !state.enabled) {    return false;  }  if (state.status === "downloading") {    return true;  }  return resolveDesktopUpdateButtonAction(state) !== "none";} export function shouldShowArm64IntelBuildWarning(state: DesktopUpdateState | null): boolean {  return state?.hostArch === "arm64" && state.appArch === "x64";} export function isDesktopUpdateButtonDisabled(state: DesktopUpdateState | null): boolean {  return state?.status === "downloading";} export function getArm64IntelBuildWarningDescription(state: DesktopUpdateState): string {  if (!shouldShowArm64IntelBuildWarning(state)) {    return "This install is using the correct architecture.";  }   const action = resolveDesktopUpdateButtonAction(state);  if (action === "download") {    return "This Mac has Apple Silicon, but T3 Code is still running the Intel build under Rosetta. Download the available update to switch to the native Apple Silicon build.";  }  if (action === "install") {    return "This Mac has Apple Silicon, but T3 Code is still running the Intel build under Rosetta. Restart to install the downloaded Apple Silicon build.";  }  return "This Mac has Apple Silicon, but T3 Code is still running the Intel build under Rosetta. The next app update will replace it with the native Apple Silicon build.";} export function getDesktopUpdateButtonTooltip(state: DesktopUpdateState): string {  if (state.status === "available") {    return `Update ${state.availableVersion ?? "available"} ready to download`;  }  if (state.status === "downloading") {    const progress =      typeof state.downloadPercent === "number" ? ` (${Math.floor(state.downloadPercent)}%)` : "";    return `Downloading update${progress}`;  }  if (state.status === "downloaded") {    return `Update ${state.downloadedVersion ?? state.availableVersion ?? "ready"} downloaded. Click to restart and install.`;  }  if (state.status === "error") {    if (state.errorContext === "download" && state.availableVersion) {      return `Download failed for ${state.availableVersion}. Click to retry.`;    }    if (state.errorContext === "install" && state.downloadedVersion) {      return `Install failed for ${state.downloadedVersion}. Click to retry.`;    }    return state.message ?? "Update failed";  }  return "Up to date";} export function getDesktopUpdateInstallConfirmationMessage(  state: Pick<DesktopUpdateState, "availableVersion" | "downloadedVersion">,  platform = "",): string {  const version = state.downloadedVersion ?? state.availableVersion;  const windowsInstallWarning = isWindowsPlatform(platform)    ? "\n\nOn Windows, T3 Code may remain closed for several minutes while the update installs, and no installer window may appear. T3 Code will reopen automatically when installation finishes."    : "";  return `Install update${version ? ` ${version}` : ""} and restart T3 Code?\n\nAny running tasks will be interrupted. Make sure you're ready before continuing.${windowsInstallWarning}`;} export function getDesktopUpdateActionError(result: DesktopUpdateActionResult): string | null {  if (!result.accepted || result.completed) return null;  if (typeof result.state.message !== "string") return null;  const message = result.state.message.trim();  return message.length > 0 ? message : null;} export function shouldToastDesktopUpdateActionResult(result: DesktopUpdateActionResult): boolean {  return getDesktopUpdateActionError(result) !== null;} export function shouldHighlightDesktopUpdateError(state: DesktopUpdateState | null): boolean {  if (!state || state.status !== "error") return false;  return state.errorContext === "download" || state.errorContext === "install";} export function canCheckForUpdate(state: DesktopUpdateState | null): boolean {  if (!state || !state.enabled) return false;  return (    state.status !== "checking" &&    state.status !== "downloading" &&    state.status !== "downloaded" &&    state.status !== "disabled"  );}