Refactor SettingsDialog for improved readability and maintainability

- Cleaned up whitespace and formatting throughout the settings_dialog.py file.
- Enhanced type hints for better clarity and type checking.
- Consolidated URL mapping handling in get_config_data method.
- Improved error handling and logging for configuration operations.
- Added comments for better understanding of the code structure and functionality.

src/webdrop_bridge/core/config_manager.py

@@ -12,7 +12,7 @@ logger = logging.getLogger(__name__)
 
 class ConfigValidator:
     """Validates configuration values against schema.
-    
+
     Provides detailed error messages for invalid configurations.
     """
 
@@ -33,10 +33,10 @@ class ConfigValidator:
     @staticmethod
     def validate(config_dict: Dict[str, Any]) -> List[str]:
         """Validate configuration dictionary.
-        
+
         Args:
             config_dict: Configuration dictionary to validate
-            
+
         Returns:
             List of validation error messages (empty if valid)
         """
@@ -53,7 +53,9 @@ class ConfigValidator:
             # Check type
             expected_type = rules.get("type")
             if expected_type and not isinstance(value, expected_type):
-                errors.append(f"{field}: expected {expected_type.__name__}, got {type(value).__name__}")
+                errors.append(
+                    f"{field}: expected {expected_type.__name__}, got {type(value).__name__}"
+                )
                 continue
 
             # Check allowed values
@@ -84,10 +86,10 @@ class ConfigValidator:
     @staticmethod
     def validate_or_raise(config_dict: Dict[str, Any]) -> None:
         """Validate configuration and raise error if invalid.
-        
+
         Args:
             config_dict: Configuration dictionary to validate
-            
+
         Raises:
             ConfigurationError: If configuration is invalid
         """
@@ -98,26 +100,26 @@ class ConfigValidator:
 
 class ConfigProfile:
     """Manages named configuration profiles.
-    
+
     Profiles are stored in ~/.webdrop-bridge/profiles/ directory as JSON files.
     """
 
     PROFILES_DIR = Path.home() / ".webdrop-bridge" / "profiles"
 
-    def __init__(self):
+    def __init__(self) -> None:
         """Initialize profile manager."""
         self.PROFILES_DIR.mkdir(parents=True, exist_ok=True)
 
     def save_profile(self, profile_name: str, config: Config) -> Path:
         """Save configuration as a named profile.
-        
+
         Args:
             profile_name: Name of the profile (e.g., "work", "personal")
             config: Config object to save
-            
+
         Returns:
             Path to the saved profile file
-            
+
         Raises:
             ConfigurationError: If profile name is invalid
         """
@@ -148,13 +150,13 @@ class ConfigProfile:
 
     def load_profile(self, profile_name: str) -> Dict[str, Any]:
         """Load configuration from a named profile.
-        
+
         Args:
             profile_name: Name of the profile to load
-            
+
         Returns:
             Configuration dictionary
-            
+
         Raises:
             ConfigurationError: If profile not found or invalid
         """
@@ -173,7 +175,7 @@ class ConfigProfile:
 
     def list_profiles(self) -> List[str]:
         """List all available profiles.
-        
+
         Returns:
             List of profile names (without .json extension)
         """
@@ -184,10 +186,10 @@ class ConfigProfile:
 
     def delete_profile(self, profile_name: str) -> None:
         """Delete a profile.
-        
+
         Args:
             profile_name: Name of the profile to delete
-            
+
         Raises:
             ConfigurationError: If profile not found
         """
@@ -209,11 +211,11 @@ class ConfigExporter:
     @staticmethod
     def export_to_json(config: Config, output_path: Path) -> None:
         """Export configuration to JSON file.
-        
+
         Args:
             config: Config object to export
             output_path: Path to write JSON file
-            
+
         Raises:
             ConfigurationError: If export fails
         """
@@ -240,13 +242,13 @@ class ConfigExporter:
     @staticmethod
     def import_from_json(input_path: Path) -> Dict[str, Any]:
         """Import configuration from JSON file.
-        
+
         Args:
             input_path: Path to JSON file to import
-            
+
         Returns:
             Configuration dictionary
-            
+
         Raises:
             ConfigurationError: If import fails or validation fails
         """