lj_rust/src/conf.rs

use config::Config;
use serde::Deserialize;

#[derive(Deserialize, Debug)]
pub enum DacFamily {
    Helios,
    Etherdream,
}

#[derive(Deserialize, Debug)]
pub struct Conf {
    laser_id: u8,
    debug: bool,
    redis_url: String,
    dac_family: DacFamily,
    dac_id: Option<u8>,
    dac_url: Option<String>,
}

pub fn load_config(path: &str) -> Result<Conf, Box<dyn std::error::Error>> {
    let settings = Config::builder()
        .add_source(config::File::with_name(path))
        .build()?;

    let conf = settings.try_deserialize::<Conf>()?;

    Ok(conf)
}