use serde::{Deserialize, Serialize};
use std::{ffi::OsString, process::Command};

pub use error::{Error, Result};

pub mod error;

#[derive(Serialize, Deserialize, Clone)]
pub struct Container {
    pub machine: OsString,
    pub class: OsString,
    pub service: OsString,
    pub os: OsString,
    pub version: OsString,
    pub addresses: OsString,
}

/// Uses Command to call to machinectl list -o json
pub fn get_containers() -> Result<Vec<Container>> {
    Command::new("machinectl")
        .arg("list")
        .args(["-o", "json"])
        .output()
        .map(|o| serde_json::from_slice(o.stdout.as_slice()))?
        .map_err(Error::from)
}

#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
        let result = 2 + 2;
        assert_eq!(result, 4);
    }
}