//! Binary entry point. The active filesystem backend is picked at compile
//! time by Cargo features (see [`subtext::backend`]); this file is otherwise
//! feature-agnostic.

use fskit_rs::MountOptions;
use subtext::backend::{ActiveBackend, Backend};
use subtext::host_store::HostStore;
use subtext::transducer::Reverse;
use tokio::signal;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let _ = env_logger::try_init();

    // Persist file bytes into a fresh temp directory. Held until end of `main`
    // so the directory survives the daemon's lifetime.
    let store_dir = tempfile::tempdir()?;
    println!("Host store directory: {}", store_dir.path().display());

    let fs = HostStore::new(store_dir.path(), Reverse)?;

    let mount_point = tempfile::tempdir()?;
    let mut opts = MountOptions::default();
    opts.mount_point = mount_point.path().to_path_buf();

    let backend = ActiveBackend::start(fs, opts).await?;
    println!("Started: {}. Press Ctrl+C to stop.", backend.describe());

    signal::ctrl_c().await?;

    drop(backend);
    println!("Stopped.");

    Ok(())
}