//! How many caption lines does `build_caption_text` actually recover?
use std::collections::BTreeMap;
use sylpheed_formats::{movie_subtitle, PakArchive};

fn main() {
    let disc = std::env::var("SYLPHEED_DISC").expect("set SYLPHEED_DISC");
    let pak = PakArchive::open(format!("{disc}/dat/GP_MAIN_GAME_E.pak")).expect("pak");
    let all = movie_subtitle::build_caption_text(&pak);
    let demo = movie_subtitle::build_demo_text(&pak);

    let mut per: BTreeMap<&str, (usize, usize)> = BTreeMap::new();
    for (id, lines) in &all {
        let fam = id.split('_').next().unwrap();
        let e = per.entry(fam).or_default();
        e.0 += 1;
        e.1 += lines.len();
    }
    println!("{:<8} {:>8} {:>9}", "family", "ids", "lines");
    let (mut ids, mut lines) = (0, 0);
    for (fam, (i, l)) in &per {
        println!("{fam:<8} {i:>8} {l:>9}");
        ids += i;
        lines += l;
    }
    println!("{:<8} {:>8} {:>9}", "TOTAL", ids, lines);
    println!(
        "\nbuild_demo_text alone: {} ids, {} lines",
        demo.len(),
        demo.values().map(|v| v.len()).sum::<usize>()
    );
    // The DEMO family must come out identical either way — that is the control.
    let demo_via_all: usize = all
        .iter()
        .filter(|(k, _)| k.starts_with("DEMO_"))
        .map(|(_, v)| v.len())
        .sum();
    println!("DEMO via build_caption_text: {demo_via_all} lines");
}