use crate::Value;
use serde::Serialize;

impl Serialize for Value {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: serde::Serializer,
    {
        match self {
            Value::Null => serializer.serialize_unit(),
            Value::Bool(b) => serializer.serialize_bool(*b),
            Value::Number(n) => n.serialize(serializer),
            Value::String(s) => serializer.serialize_str(s),
            Value::Sequence(seq) => seq.serialize(serializer),
            Value::Mapping(hash) => {
                use serde::ser::SerializeMap;
                let mut map = serializer.serialize_map(Some(hash.len()))?;
                for (k, v) in hash {
                    map.serialize_entry(k, v)?;
                }
                map.end()
            }
        }
    }
}