attempt to fix serialize hints

src/formats/serde.rs

@@ -1,27 +1,40 @@
-use serde::ser::{Serialize, Serializer, SerializeMap};
+/*use serde::ser::{Serialize, Serializer, SerializeMap};
 use std::collections::HashMap;
-use zvariant::OwnedValue;
+//use zvariant::OwnedValue;
 //use std::hash::BuildHasher;
 //use serde::ser::SerializeMap;
 use serde_json::{Map,Value};
 use zvariant::SerializeValue;
 
+use std::convert::TryInto;
+use zvariant::{OwnedValue, Value};*/
+
+
+use serde::ser::{Serialize, Serializer, SerializeMap};
+use std::collections::HashMap;
+use std::convert::TryInto; // Import TryInto
+use serde_json::{Map, Value as JsonValue}; // Alias serde_json::Value to JsonValue
+use zvariant::{OwnedValue, Value as ZValue}; // Alias zvariant::Value to ZValue
+
+
+
 pub fn serialize_actions<S>(actions: &[String], serializer: S) -> Result<S::Ok, S::Error>
 where
     S: Serializer,
 {
-    let mut map = serde_json::Map::new();
+    let mut map = Map::new();
 
     // Actions are in pairs: [id, label, id, label, ...]
     for pair in actions.chunks(2) {
         if let [id, label] = pair {
-            map.insert(id.clone(), serde_json::Value::String(label.clone()));
+            map.insert(id.clone(), JsonValue::String(label.clone()));
         }
     }
 
     map.serialize(serializer)
 }
 
+
 pub fn serialize_hints<S>(
     hints: &HashMap<String, OwnedValue>,
     serializer: S,
@@ -40,7 +53,7 @@ where
 
 // A custom struct to handle serialization of OwnedValue
 struct HintValueSerializer<'a>(&'a OwnedValue);
-
+/*
 impl<'a> Serialize for HintValueSerializer<'a> {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where
@@ -56,4 +69,35 @@ impl<'a> Serialize for HintValueSerializer<'a> {
         map.serialize_entry("value", value)?;
         map.end()
     }
-}
+}*/
+
+impl<'a> Serialize for HintValueSerializer<'a> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let signature = self.0.value_signature().to_string();
+
+        // Extract the raw value using downcast_ref for common types
+        let raw_value = if let Ok(v) = self.0.downcast_ref::<&u8>() {
+            serde_json::Value::Number(serde_json::Number::from(*v))
+        } else if let Ok(v) = self.0.downcast_ref::<&i32>() {
+            serde_json::Value::Number(serde_json::Number::from(*v))
+        } else if let Ok(v) = self.0.downcast_ref::<&u64>() {
+            serde_json::Value::Number(serde_json::Number::from(*v))
+        } else if let Ok(v) = self.0.downcast_ref::<bool>() {
+            serde_json::Value::Bool(v)
+        } else if let Ok(v) = self.0.downcast_ref::<&String>() {
+            serde_json::Value::String(v.to_string())
+        } else {
+            serde_json::Value::Null // Unsupported types fallback to Null
+        };
+
+        // Serialize the final structure as a map with "signature" and "value"
+        let mut map = serializer.serialize_map(Some(2))?;
+        map.serialize_entry("signature", &signature)?;
+        map.serialize_entry("value", &raw_value)?;
+        map.end()
+    }
+}
+