//! Why does a named resource never decode? Reports the furthest gate its best
//! candidate reached. Usage: why_missed <container.xpr> [name-substring]
use sylpheed_formats::mesh::{debug_best_rejection, xbg7_resource_names, Xbg7Model};
use std::collections::HashSet;
fn main() {
    let a: Vec<String> = std::env::args().collect();
    let bytes = std::fs::read(&a[1]).unwrap();
    let filter = a.get(2).cloned().unwrap_or_default();
    let decoded: HashSet<String> = Xbg7Model::stage_models(&bytes).into_iter().map(|m| m.name).collect();
    for n in xbg7_resource_names(&bytes) {
        if decoded.contains(&n) || (!filter.is_empty() && !n.contains(&filter)) {
            continue;
        }
        match debug_best_rejection(&bytes, &n) {
            Some((rank, why)) => println!("{n:<28} rank {rank}  {why}"),
            None => println!("{n:<28} (no candidate reached any gate / skipped before anchoring)"),
        }
    }
}