/*
    hitomezashi-rs  Classic two-colored Hitomezashi stitch pattern generator
    Copyright (C) 2024  Nicholas Johnson

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

use clap::CommandFactory;
use std::env;
use std::path::PathBuf;

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

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

    let out_path = PathBuf::from(out_dir);
    let mut path = out_path.ancestors().nth(4).unwrap().to_owned();
    path.push("assets");
    std::fs::create_dir_all(&path).unwrap();

    let cmd = Cli::command();

    let man = clap_mangen::Man::new(cmd);
    let mut buffer: Vec<u8> = Default::default();
    man.render(&mut buffer)?;

    std::fs::write(path.join("hitomezashi-rs.1"), buffer)?;

    Ok(())
}