use prometheus;

use crate::metrics::REGISTRY;

#[get("/metrics")]
pub async fn metrics() -> String {
    let encoder = prometheus::TextEncoder::new();
    let res_custom = encoder.encode_to_string(&REGISTRY.gather());

    match res_custom {
        Ok(s) => s,
        Err(e) => {
            warn!("Error encoding metrics: {:?}", e);

            String::new()
        }
    }
}