use crate::{log::GraphItem, shared_engine::SharedEngine};

pub struct Querier {
    engine: SharedEngine,
}

impl Querier {
    pub fn new(engine: SharedEngine) -> Self {
        Self { engine }
    }

    pub fn get(
        &self,
        root: &str,
        path: impl IntoIterator<Item = impl Into<String>>,
    ) -> Option<GraphItem> {
        let path = path.into_iter().map(|i| i.into()).collect::<Vec<String>>();

        tracing::debug!("quering: {}, len: ({}))", path.join("."), path.len());

        self.engine
            .get(root, &path.iter().map(|i| i.as_str()).collect::<Vec<_>>())
    }
}