pp.rs

use std::{env, io, path::PathBuf};
use walkdir::WalkDir;

fn main() -> io::Result<()> {
    let folder = env::args().nth(1).expect("provide song folder");
    let (mut charts, mut songs, mut groups, mut fsentries) = (0, 0, 0, 0);
    let (mut song_p, mut group_p): (Option<PathBuf>, Option<PathBuf>) = (None, None);
    let entries = WalkDir::new(folder)
        .min_depth(3)
        .max_depth(3)
        .into_iter()
        .filter_entry(|e| {
            fsentries += 1;
            if !e.file_type().is_file() {
                return false;
            }
            let path = e.path();
            let sm = path.extension().is_some_and(|ext| ext == "sm");
            let song = path.parent().unwrap();
            let group = song.parent().unwrap();

            match (song, song_p.as_mut(), group, group_p.as_mut()) {
                (s, Some(sp), _, _) if s == sp => {}
                (s, _, g, Some(gp)) if g == gp => {
                    songs += 1;
                    song_p = Some(s.to_path_buf())
                }
                (_, _, g, _) => {
                    groups += 1;
                    group_p = Some(g.to_path_buf())
                }
            }

            sm
        })
        .inspect(|_| charts += 1);
    for entry in entries {
        let entry = entry?;
        let path = entry.path();

        println!("{:?}", path);
    }
    println!("{fsentries} fs entries, {groups} groups, {songs} songs, and {charts} charts");
    Ok(())
}