//! tidalDB CLI embedding: open a persistent database and print status.
//!
//! Demonstrates:
//! - Opening a persistent `TidalDb` with an explicit data directory
//! - Printing build hash, uptime, and debug info
//! - Explicit `close()` before exit
//!
//! In a real CLI this data directory would come from a flag or config file.
//! Here we use a temporary directory so the example runs safely in CI.
//!
//! # Running
//!
//! ```bash
//! cargo run --example cli_embedding --manifest-path tidal/Cargo.toml
//! ```

fn main() -> Result<(), Box<dyn std::error::Error>> {
    tracing_subscriber::fmt()
        .with_env_filter("tidaldb=debug")
        .init();

    // Create a temporary directory to act as the data root.
    // In a production CLI, replace this with the user-supplied path.
    let tmp = tempfile::tempdir()?;
    let data_dir = tmp.path();

    let db = tidaldb::TidalDb::builder().with_data_dir(data_dir).open()?;

    println!("build:    {}", tidaldb::BUILD_HASH);
    println!("data:     {}", data_dir.display());
    println!("uptime:   {:.3}s", db.metrics().uptime_seconds());
    println!("health:   {:?}", db.health_check());
    println!("debug:    {db:?}");

    // Explicit close — ensures any future WAL flush completes before exit.
    db.close()?;

    println!("shutdown complete.");
    Ok(())
}