refactor: improve auto-delete and auto-install browser logic

src/app/page.tsx

@@ -76,12 +76,59 @@ export default function Home() {
         "list_browser_profiles",
       );
       setProfiles(profileList);
+
+      // Check for missing binaries after loading profiles
+      await checkMissingBinaries();
     } catch (err: unknown) {
       console.error("Failed to load profiles:", err);
       setError(`Failed to load profiles: ${JSON.stringify(err)}`);
     }
   }, []);
 
+  // Check for missing binaries and offer to download them
+  const checkMissingBinaries = useCallback(async () => {
+    try {
+      const missingBinaries = await invoke<[string, string, string][]>(
+        "check_missing_binaries",
+      );
+
+      if (missingBinaries.length > 0) {
+        console.log("Found missing binaries:", missingBinaries);
+
+        // Show a toast notification about missing binaries and auto-download them
+        const missingList = missingBinaries
+          .map(
+            ([profileName, browser, version]) =>
+              `${browser} ${version} (for ${profileName})`,
+          )
+          .join(", ");
+
+        console.log(`Downloading missing binaries: ${missingList}`);
+
+        try {
+          const downloaded = await invoke<string[]>(
+            "ensure_all_binaries_exist",
+          );
+          if (downloaded.length > 0) {
+            console.log(
+              "Successfully downloaded missing binaries:",
+              downloaded,
+            );
+          }
+        } catch (downloadError) {
+          console.error("Failed to download missing binaries:", downloadError);
+          setError(
+            `Failed to download missing binaries: ${JSON.stringify(
+              downloadError,
+            )}`,
+          );
+        }
+      }
+    } catch (err: unknown) {
+      console.error("Failed to check missing binaries:", err);
+    }
+  }, []);
+
   // Version updater for handling version fetching progress events and auto-updates
   useVersionUpdater();
 
@@ -99,11 +146,12 @@ export default function Home() {
 
       // Check for updates after loading profiles
       await checkForUpdates();
+      await checkMissingBinaries();
     } catch (err: unknown) {
       console.error("Failed to load profiles:", err);
       setError(`Failed to load profiles: ${JSON.stringify(err)}`);
     }
-  }, [checkForUpdates]);
+  }, [checkForUpdates, checkMissingBinaries]);
 
   useAppUpdateNotifications();
 
@@ -439,12 +487,36 @@ export default function Home() {
   const handleDeleteProfile = useCallback(
     async (profile: BrowserProfile) => {
       setError(null);
+      console.log("Attempting to delete profile:", profile.name);
+
       try {
+        // First check if the browser is running for this profile
+        const isRunning = await invoke<boolean>("check_browser_status", {
+          profile,
+        });
+
+        if (isRunning) {
+          setError(
+            "Cannot delete profile while browser is running. Please stop the browser first.",
+          );
+          return;
+        }
+
+        // Attempt to delete the profile
         await invoke("delete_profile", { profileName: profile.name });
+        console.log("Profile deletion command completed successfully");
+
+        // Give a small delay to ensure file system operations complete
+        await new Promise((resolve) => setTimeout(resolve, 100));
+
+        // Reload profiles to ensure UI is updated
         await loadProfiles();
+
+        console.log("Profile deleted and profiles reloaded successfully");
       } catch (err: unknown) {
         console.error("Failed to delete profile:", err);
-        setError(`Failed to delete profile: ${JSON.stringify(err)}`);
+        const errorMessage = err instanceof Error ? err.message : String(err);
+        setError(`Failed to delete profile: ${errorMessage}`);
       }
     },
     [loadProfiles],

src/components/release-type-selector.tsx

@@ -55,6 +55,16 @@ export function ReleaseTypeSelector({
       : []),
   ];
 
+  // Only show dropdown if there are multiple release types available
+  const showDropdown = releaseOptions.length > 1;
+
+  // If only one release type is available, auto-select it
+  if (!showDropdown && releaseOptions.length === 1 && !selectedReleaseType) {
+    setTimeout(() => {
+      onReleaseTypeSelect(releaseOptions[0].type);
+    }, 0);
+  }
+
   const selectedDisplayText = selectedReleaseType
     ? selectedReleaseType === "stable"
       ? "Stable"
@@ -73,75 +83,99 @@ export function ReleaseTypeSelector({
 
   return (
     <div className="space-y-4">
-      <Popover open={popoverOpen} onOpenChange={setPopoverOpen} modal={true}>
-        <PopoverTrigger asChild>
-          <Button
-            variant="outline"
-            role="combobox"
-            aria-expanded={popoverOpen}
-            className="justify-between w-full"
-          >
-            {selectedDisplayText}
-            <LuChevronsUpDown className="ml-2 w-4 h-4 opacity-50 shrink-0" />
-          </Button>
-        </PopoverTrigger>
-        <PopoverContent className="w-[300px] p-0">
-          <Command>
-            <CommandEmpty>No release types available.</CommandEmpty>
-            <CommandList>
-              <CommandGroup>
-                {releaseOptions.map((option) => {
-                  const isDownloaded = downloadedVersions.includes(
-                    option.version,
-                  );
-                  return (
-                    <CommandItem
-                      key={option.type}
-                      value={option.type}
-                      onSelect={(currentValue) => {
-                        const selectedType = currentValue as
-                          | "stable"
-                          | "nightly";
-                        onReleaseTypeSelect(
-                          selectedType === selectedReleaseType
-                            ? null
-                            : selectedType,
-                        );
-                        setPopoverOpen(false);
-                      }}
-                    >
-                      <LuCheck
-                        className={cn(
-                          "mr-2 h-4 w-4",
-                          selectedReleaseType === option.type
-                            ? "opacity-100"
-                            : "opacity-0",
-                        )}
-                      />
-                      <div className="flex gap-2 items-center">
-                        <span className="capitalize">{option.type}</span>
-                        {option.type === "nightly" && (
-                          <Badge variant="secondary" className="text-xs">
-                            Nightly
+      {showDropdown ? (
+        <Popover open={popoverOpen} onOpenChange={setPopoverOpen} modal={true}>
+          <PopoverTrigger asChild>
+            <Button
+              variant="outline"
+              role="combobox"
+              aria-expanded={popoverOpen}
+              className="justify-between w-full"
+            >
+              {selectedDisplayText}
+              <LuChevronsUpDown className="ml-2 w-4 h-4 opacity-50 shrink-0" />
+            </Button>
+          </PopoverTrigger>
+          <PopoverContent className="w-[300px] p-0">
+            <Command>
+              <CommandEmpty>No release types available.</CommandEmpty>
+              <CommandList>
+                <CommandGroup>
+                  {releaseOptions.map((option) => {
+                    const isDownloaded = downloadedVersions.includes(
+                      option.version,
+                    );
+                    return (
+                      <CommandItem
+                        key={option.type}
+                        value={option.type}
+                        onSelect={(currentValue) => {
+                          const selectedType = currentValue as
+                            | "stable"
+                            | "nightly";
+                          onReleaseTypeSelect(
+                            selectedType === selectedReleaseType
+                              ? null
+                              : selectedType,
+                          );
+                          setPopoverOpen(false);
+                        }}
+                      >
+                        <LuCheck
+                          className={cn(
+                            "mr-2 h-4 w-4",
+                            selectedReleaseType === option.type
+                              ? "opacity-100"
+                              : "opacity-0",
+                          )}
+                        />
+                        <div className="flex gap-2 items-center">
+                          <span className="capitalize">{option.type}</span>
+                          {option.type === "nightly" && (
+                            <Badge variant="secondary" className="text-xs">
+                              Nightly
+                            </Badge>
+                          )}
+                          <Badge variant="outline" className="text-xs">
+                            {option.version}
                           </Badge>
-                        )}
-                        <Badge variant="outline" className="text-xs">
-                          {option.version}
-                        </Badge>
-                        {isDownloaded && (
-                          <Badge variant="default" className="text-xs">
-                            Downloaded
-                          </Badge>
-                        )}
-                      </div>
-                    </CommandItem>
-                  );
-                })}
-              </CommandGroup>
-            </CommandList>
-          </Command>
-        </PopoverContent>
-      </Popover>
+                          {isDownloaded && (
+                            <Badge variant="default" className="text-xs">
+                              Downloaded
+                            </Badge>
+                          )}
+                        </div>
+                      </CommandItem>
+                    );
+                  })}
+                </CommandGroup>
+              </CommandList>
+            </Command>
+          </PopoverContent>
+        </Popover>
+      ) : (
+        // Show a simple display when only one release type is available
+        releaseOptions.length === 1 && (
+          <div className="flex gap-2 items-center justify-center p-3 border rounded-md bg-muted/50">
+            <span className="capitalize text-sm font-medium">
+              {releaseOptions[0].type}
+            </span>
+            {releaseOptions[0].type === "nightly" && (
+              <Badge variant="secondary" className="text-xs">
+                Nightly
+              </Badge>
+            )}
+            <Badge variant="outline" className="text-xs">
+              {releaseOptions[0].version}
+            </Badge>
+            {downloadedVersions.includes(releaseOptions[0].version) && (
+              <Badge variant="default" className="text-xs">
+                Downloaded
+              </Badge>
+            )}
+          </div>
+        )
+      )}
 
       {showDownloadButton &&
         selectedReleaseType &&

src/components/settings-dialog.tsx

@@ -31,7 +31,6 @@ interface AppSettings {
   set_as_default_browser: boolean;
   show_settings_on_startup: boolean;
   theme: string;
-  auto_delete_unused_binaries: boolean;
 }
 
 interface PermissionInfo {
@@ -50,13 +49,11 @@ export function SettingsDialog({ isOpen, onClose }: SettingsDialogProps) {
     set_as_default_browser: false,
     show_settings_on_startup: true,
     theme: "system",
-    auto_delete_unused_binaries: true,
   });
   const [originalSettings, setOriginalSettings] = useState<AppSettings>({
     set_as_default_browser: false,
     show_settings_on_startup: true,
     theme: "system",
-    auto_delete_unused_binaries: true,
   });
   const [isDefaultBrowser, setIsDefaultBrowser] = useState(false);
   const [isLoading, setIsLoading] = useState(false);
@@ -287,9 +284,7 @@ export function SettingsDialog({ isOpen, onClose }: SettingsDialogProps) {
   const hasChanges =
     settings.show_settings_on_startup !==
       originalSettings.show_settings_on_startup ||
-    settings.theme !== originalSettings.theme ||
-    settings.auto_delete_unused_binaries !==
-      originalSettings.auto_delete_unused_binaries;
+    settings.theme !== originalSettings.theme;
 
   return (
     <Dialog open={isOpen} onOpenChange={onClose}>
@@ -358,33 +353,6 @@ export function SettingsDialog({ isOpen, onClose }: SettingsDialogProps) {
             </p>
           </div>
 
-          {/* Auto-Update Section */}
-          <div className="space-y-4">
-            <Label className="text-base font-medium">Auto-Updates</Label>
-
-            <div className="flex items-center space-x-2">
-              <Checkbox
-                id="auto-delete-binaries"
-                checked={settings.auto_delete_unused_binaries}
-                onCheckedChange={(checked) => {
-                  updateSetting(
-                    "auto_delete_unused_binaries",
-                    checked as boolean,
-                  );
-                }}
-              />
-              <Label htmlFor="auto-delete-binaries" className="text-sm">
-                Automatically delete unused browser binaries
-              </Label>
-            </div>
-
-            <p className="text-xs text-muted-foreground">
-              When enabled, Donut Browser will check for browser updates and
-              notify you when updates are available for your profiles. Unused
-              binaries will be automatically deleted to save disk space.
-            </p>
-          </div>
-
           {/* Startup Behavior Section */}
           <div className="space-y-4">
             <Label className="text-base font-medium">Startup Behavior</Label>