use config::Config;
use serde::{Serialize,Deserialize};
use crate::errors::LJResult;

#[derive(Serialize, Deserialize, Debug)]
pub struct Conf {
    pub laser_id: u8,
    pub debug: bool,
    pub redis_url: String,
    pub dac: DacFamily
}

#[derive(Serialize, Deserialize, Debug)]
pub enum DacFamily {
    #[serde(rename = "helios")] 
    Helios(HeliosConf),
    #[serde(rename = "etherdream")] 
    Etherdream(EtherDreamConf),
}

#[derive(Serialize, Deserialize, Debug)]
pub struct HeliosConf {
    pub id: u8
}

#[derive(Serialize, Deserialize, Debug)]
pub struct EtherDreamConf {
    pub url: String
}

impl Conf {
    pub fn new(path: &str) -> LJResult<Conf> {
	let settings = Config::builder()
            .add_source(config::File::with_name(path))
	    .build()?;
        
	let conf : Conf = settings.try_deserialize()?;
	Ok(conf)
    }
}