use serde::{Deserialize, Serialize};

use crate::{
    bare::GitBare,
    cmd::oid::ObjectId,
    errors::{GitError, GitResult},
};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BlobSizeParams {
    pub id: ObjectId,
    pub path: String,
}

impl GitBare {
    pub fn blob_size(&self, params: &BlobSizeParams) -> GitResult<u64> {
        let repo = self.gix_repo()?;
        let gix_id: gix::hash::ObjectId = (&params.id).try_into()?;

        let header = repo.find_header(gix_id).map_err(|_| {
            GitError::ObjectNotFound(params.id.as_str().to_string())
        })?;

        Ok(header.size() as u64)
    }
}