Add auto updater

electron/desktop-settings.ts

@@ -2,8 +2,13 @@ import { app } from 'electron';
 import * as fs from 'fs';
 import * as path from 'path';
 
+export type AutoUpdateMode = 'auto' | 'off' | 'version';
+
 export interface DesktopSettings {
+  autoUpdateMode: AutoUpdateMode;
   hardwareAcceleration: boolean;
+  manifestUrls: string[];
+  preferredVersion: string | null;
   vaapiVideoEncode: boolean;
 }
 
@@ -13,10 +18,45 @@ export interface DesktopSettingsSnapshot extends DesktopSettings {
 }
 
 const DEFAULT_DESKTOP_SETTINGS: DesktopSettings = {
+  autoUpdateMode: 'auto',
   hardwareAcceleration: true,
+  manifestUrls: [],
+  preferredVersion: null,
   vaapiVideoEncode: false
 };
 
+function normalizeAutoUpdateMode(value: unknown): AutoUpdateMode {
+  return value === 'off' || value === 'version' ? value : 'auto';
+}
+
+function normalizePreferredVersion(value: unknown): string | null {
+  return typeof value === 'string' && value.trim().length > 0 ? value.trim() : null;
+}
+
+function normalizeManifestUrls(value: unknown): string[] {
+  if (!Array.isArray(value)) {
+    return [];
+  }
+
+  const manifestUrls: string[] = [];
+
+  for (const entry of value) {
+    if (typeof entry !== 'string') {
+      continue;
+    }
+
+    const nextUrl = entry.trim();
+
+    if (!nextUrl || manifestUrls.includes(nextUrl)) {
+      continue;
+    }
+
+    manifestUrls.push(nextUrl);
+  }
+
+  return manifestUrls;
+}
+
 export function getDesktopSettingsSnapshot(): DesktopSettingsSnapshot {
   const storedSettings = readDesktopSettings();
   const runtimeHardwareAcceleration = app.isHardwareAccelerationEnabled();
@@ -40,12 +80,15 @@ export function readDesktopSettings(): DesktopSettings {
     const parsed = JSON.parse(raw) as Partial<DesktopSettings>;
 
     return {
+      autoUpdateMode: normalizeAutoUpdateMode(parsed.autoUpdateMode),
       vaapiVideoEncode: typeof parsed.vaapiVideoEncode === 'boolean'
         ? parsed.vaapiVideoEncode
         : DEFAULT_DESKTOP_SETTINGS.vaapiVideoEncode,
       hardwareAcceleration: typeof parsed.hardwareAcceleration === 'boolean'
         ? parsed.hardwareAcceleration
-        : DEFAULT_DESKTOP_SETTINGS.hardwareAcceleration
+        : DEFAULT_DESKTOP_SETTINGS.hardwareAcceleration,
+      manifestUrls: normalizeManifestUrls(parsed.manifestUrls),
+      preferredVersion: normalizePreferredVersion(parsed.preferredVersion)
     };
   } catch {
     return { ...DEFAULT_DESKTOP_SETTINGS };
@@ -53,10 +96,21 @@ export function readDesktopSettings(): DesktopSettings {
 }
 
 export function updateDesktopSettings(patch: Partial<DesktopSettings>): DesktopSettingsSnapshot {
-  const nextSettings: DesktopSettings = {
+  const mergedSettings = {
     ...readDesktopSettings(),
     ...patch
   };
+  const nextSettings: DesktopSettings = {
+    autoUpdateMode: normalizeAutoUpdateMode(mergedSettings.autoUpdateMode),
+    hardwareAcceleration: typeof mergedSettings.hardwareAcceleration === 'boolean'
+      ? mergedSettings.hardwareAcceleration
+      : DEFAULT_DESKTOP_SETTINGS.hardwareAcceleration,
+    manifestUrls: normalizeManifestUrls(mergedSettings.manifestUrls),
+    preferredVersion: normalizePreferredVersion(mergedSettings.preferredVersion),
+    vaapiVideoEncode: typeof mergedSettings.vaapiVideoEncode === 'boolean'
+      ? mergedSettings.vaapiVideoEncode
+      : DEFAULT_DESKTOP_SETTINGS.vaapiVideoEncode
+  };
   const filePath = getDesktopSettingsPath();
 
   fs.mkdirSync(path.dirname(filePath), { recursive: true });