use clap::{Command, CommandFactory};
// use clap_complete as complete;
use clap_mangen as mangen;
// use complete::Shell;
use std::{path::PathBuf, str::FromStr};

#[path = "src/cli.rs"]
mod cli;

use cli::*;

fn generate_manpage(cmd: Command, out_dir: PathBuf) -> std::io::Result<()> {
    let _path = mangen::generate_to(cmd, &out_dir)?;
    println!("cargo:warning=manpage is generated: {out_dir:?}");

    Ok(())
}

// fn generate_completions(cmd: &mut Command, out_dir: PathBuf) -> std::io::Result<()> {
//     let path = complete::generate_to(Shell::Zsh, cmd, "noise", out_dir)?;
//     println!("cargo:warning=completion file is generated: {path:?}");
//     Ok(())
// }

fn main() -> std::io::Result<()> {
    let out_dir =
        std::path::PathBuf::from(std::env::var_os("OUT_DIR").ok_or(std::io::ErrorKind::NotFound)?);

    // let out_dir = PathBuf::from_str("./").unwrap();

    let cmd = Cli::command();

    generate_manpage(cmd, out_dir.clone())?;

    // eprintln!("{out_dir:?}");
    // println!("cargo:warning=out_dir: {out_dir:?}");

    Ok(())
}