use clap::{CommandFactory, ValueEnum};
use clap_complete::{generate_to, Shell};
use std::{env, io::Error};

include!("src/cli/mod.rs");

fn main() -> Result<(), Error> {
    let outdir = match env::var_os("OUT_DIR") {
        None => return Ok(()),
        Some(outdir) => outdir,
    };

    let mut cmd = ahab::Ahab::command();

    for shell in Shell::value_variants() {
        let path = generate_to(*shell, &mut cmd, "ahab", &outdir)?;

        println!("cargo:warning=completion file is generated: {path:?}");
    }

    Ok(())
}