add additional global exception handler scenarios

Author: ColtonRandall

src/main/java/com/taskmanagerapi/exception/GlobalExceptionHandler.java

@@ -4,6 +4,7 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;
 
 import java.time.LocalDateTime;
 import java.time.temporal.ChronoUnit;
@@ -12,12 +13,37 @@
 @RestControllerAdvice
 public class GlobalExceptionHandler {
 
+    private final LocalDateTime time = LocalDateTime.now().truncatedTo(ChronoUnit.SECONDS);
+
     @ExceptionHandler(TaskNotFoundException.class)
     public ResponseEntity<Map<String, Object>> handleTaskNotFound(TaskNotFoundException ex) {
-        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(Map.of(
-                "error", ex.getMessage(),
-                "status", 404,
-                "timestamp", LocalDateTime.now().truncatedTo(ChronoUnit.SECONDS)
-        ));
+        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(
+                Map.of(
+                        "error", ex.getMessage(),
+                        "status", 404,
+                        "timestamp", time
+                )
+        );
+    }
+
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<Map<String, Object>> handleGenericError() {
+        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(
+                Map.of(
+                        "error", "An unexpected error occurred",
+                        "status", 500,
+                        "timestamp", time
+                )
+        );
+    }
+
+    @ExceptionHandler(MethodArgumentTypeMismatchException.class)
+    public ResponseEntity<Map<String, Object>> handleTypeMismatch(MethodArgumentTypeMismatchException ex) {
+        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(
+                Map.of(
+                        "error", "Invalid status value: " + ex.getValue(),
+                        "status", 400,
+                        "timestamp", time
+                ));
     }
 }