use serde::{Deserialize, Deserializer, Serialize, Serializer};
pub use tracing::Level;

pub fn serialize<S>(value: &Option<Level>, serializer: S) -> Result<S::Ok, S::Error>
where
    S: Serializer,
{
    value
        .map(|l| l.to_string().to_lowercase())
        .serialize(serializer)
}

pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<Level>, D::Error>
where
    D: Deserializer<'de>,
{
    let Some(s) = Option::<String>::deserialize(deserializer)? else {
    return Ok(None)
};
    s.parse().map_err(serde::de::Error::custom).map(Some)
}