use std::{path::PathBuf, io::Error};

use clap_complete::{generate_to, shells, Generator};

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

fn main() -> Result<(), Error> {
    let outdir = "completions";
    let mut cmd = build_cli();

    let path = generate_completions(shells::Bash, &mut cmd, outdir)?;
    println!("cargo:debug=completion file is generated: {:?}", path);
    let path = generate_completions(shells::Zsh, &mut cmd, outdir)?;
    println!("cargo:debug=completion file is generated: {:?}", path);
    let path = generate_completions(shells::Fish, &mut cmd, outdir)?;
    println!("cargo:debug=completion file is generated: {:?}", path);

    Ok(())
}

fn generate_completions<G: Generator>(shell: G, cmd: &mut clap::Command, outdir: &str) -> Result<PathBuf, Error> {
    generate_to(shell, cmd, "lamp", outdir)
}