// mod to communicate with api-grub and preproc services
// using Unix-Socket Client

use anyhow::{Error, Result};
use integr_structs::api::ApiConfig;
use tokio::time::{sleep, Instant};
use tokio::net::UnixStream;
use std::env;

enum UnixSocketConsumer {
    ApiGrubber,
    Preproc,
}
// to create us-client
struct UnixSocketClient;  

impl UnixSocketConsumer {
    pub async fn get_stream_object(&self) -> Result<UnixStream> {
        let socket_file = match self {
            UnixSocketConsumer::ApiGrubber => env::var("API_GRUBBER_SOCKET")?,
            UnixSocketConsumer::Preproc => env::var("PREPROC_SOCKET")?,
        };
        UnixStream::connect(socket_file).await.or_else(|_| Err(Error::msg("Cannot create Unix-Socket client")))
    } 
}

async fn check_unix_socket_file(path: &str) -> bool {
    std::path::Path::new(path).exists()
}

#[cfg(tests)]
mod delivery_unittests {
    use super::*;
    use tokio::test;

    // 
    #[test]
    async fn check_api_unix_socket_client_creation() { assert!(true); }
    
    #[test]
    async fn check_preproc_unix_socket_client_creation() { assert!(true); }
    // 
}