//! Every scale value on the disc's UI, parents AND nested leaves.
//!
//! `DECISIONS.md` records `ptlogo_eff2` at 125 % as "the single drawn element in
//! the whole export at a scale that is not a whole multiple of 100 %". That
//! census was over parents only -- leaves were never opened. This opens them.
use std::collections::BTreeMap;
use sylpheed_formats::{pak, ui_layout};

fn main() {
    let path = std::env::args().nth(1).expect("pak");
    let ar = pak::PakArchive::open(&path).expect("open");
    let mut hist: BTreeMap<(u32, u32), Vec<String>> = BTreeMap::new();
    let mut leaves_opened = 0usize;
    for (i, e) in ar.entries().to_vec().iter().enumerate() {
        let Ok(bytes) = ar.read(e) else { continue };
        let Some(b) = ui_layout::parse_build(&bytes) else {
            continue;
        };
        for el in &b.elements {
            for k in &el.keyframes {
                hist.entry((k.scale_x, k.scale_y))
                    .or_default()
                    .push(format!("e{i}/{}", el.name));
            }
            if let Some(&(off, size)) = b.records.get(&el.name) {
                if let Some(lb) = ui_layout::parse_build(&bytes[off..off + size]) {
                    leaves_opened += 1;
                    for le in &lb.elements {
                        for k in &le.keyframes {
                            hist.entry((k.scale_x, k.scale_y))
                                .or_default()
                                .push(format!("e{i}/{}->LEAF/{}", el.name, le.name));
                        }
                    }
                }
            }
        }
    }
    println!("{leaves_opened} leaves opened\n");
    println!("{:>12} {:>7}  examples", "scale", "count");
    for (k, v) in &hist {
        let mut ex: Vec<&String> = v.iter().collect();
        ex.sort();
        ex.dedup();
        let odd = k.0 % 100 != 0 || k.1 % 100 != 0;
        println!(
            "{}{:>5},{:<5} {:>7}  {}",
            if odd { "* " } else { "  " },
            k.0,
            k.1,
            v.len(),
            ex.iter()
                .take(3)
                .map(|s| s.as_str())
                .collect::<Vec<_>>()
                .join(", ")
        );
    }
    println!("\n* = not a whole multiple of 100%");
}