Revert "Simplify update checker"

This reverts commit 68c6422.

bin/main.dart

@@ -14,12 +14,16 @@ String baseRepo = 'corbindavenport/nexus-tools';
 
 // Function for checking for update
 Future checkUpdate() async {
-  print('[INFO] Your installed version of Nexus Tools: $appVersion');
   var net = Uri.parse('https://api.github.com/repos/$baseRepo/releases/latest');
   try {
     var data = await http.read(net);
     var parsedData = json.decode(data);
-    print('[INFO] Latest available version: ' + parsedData['tag_name'] + '[INFO] Get the latest version: https://github.com/$baseRepo/blob/main/README.md\n');
+    // Compare versions
+    if (double.parse(parsedData['tag_name']) > appVersion) {
+      print('[INFO] Nexus Tools update available! https://github.com/$baseRepo/blob/main/README.md');
+    } else {
+      print('[INFO] You have the latest version of Nexus Tools.');
+    }
   } catch (e) {
     print('[EROR] Could not check for updates.');
   }
@@ -145,6 +149,7 @@ Future removePlatformTools() async {
     return;
   }
   // Delete primary directory if it exists
+  // TODO: Add support for new directory on Windows
   // Nexus Tools 3.2+ (August 2016-Present) installs binaries in ~/.nexustools
   var dir = nexusToolsDir();
   var installExists = false;
@@ -153,8 +158,6 @@ Future removePlatformTools() async {
     // Proceed with deletion
     await io.Directory(dir).delete(recursive: true);
     print('[ OK ] Deleted directory at $dir.');
-  } else {
-    print('[ OK ] No installation found at $dir');
   }
   // Windows-specific functions
   if (io.Platform.isWindows) {