use serde::{Deserialize, Serialize};

#[derive(Deserialize, Serialize, Clone, Debug, PartialEq, Eq)]
pub struct ObjectId(pub String);

impl ObjectId {
    pub fn new(hex: impl AsRef<str>) -> Self {
        Self(hex.as_ref().to_lowercase())
    }
    pub fn as_str(&self) -> &str {
        &self.0
    }
}
impl std::fmt::Display for ObjectId {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", self.0)
    }
}

impl AsRef<str> for ObjectId {
    fn as_ref(&self) -> &str {
        &self.0
    }
}

impl TryFrom<&ObjectId> for gix::hash::ObjectId {
    type Error = crate::errors::GitError;

    fn try_from(id: &ObjectId) -> Result<Self, Self::Error> {
        gix::hash::ObjectId::from_hex(id.as_str().as_bytes()).map_err(|e| {
            crate::errors::GitError::InvalidOid(format!("invalid hex oid: {e}"))
        })
    }
}