//! Which `GP_TITLE` elements does the resting-pose dwell fallback decide, and does
//! it hand back a visible pose? The disc-wide census says 5 fires / 4 visible here.
//!     cargo run -p sylpheed-formats --example rest_fallback_title
use sylpheed_formats::{pak::PakArchive, ui_layout};
use std::path::PathBuf;
fn main() {
    let root = PathBuf::from(std::env::var("SYLPHEED_DISC").expect("SYLPHEED_DISC"));
    let ar = PakArchive::open(root.join("dat/GP_TITLE.pak")).expect("GP_TITLE");
    for (i, e) in ar.entries().iter().enumerate() {
        let Ok(by) = ar.read(e) else { continue };
        let Some(b) = ui_layout::parse_build(&by) else { continue };
        for el in &b.elements {
            if el.keyframes.len() < 2 { continue }
            if el.keyframes.windows(2).any(|w| w[0].x == w[1].x && w[0].y == w[1].y
                && w[0].scale_x == w[1].scale_x && w[0].scale_y == w[1].scale_y
                && w[0].fade == w[1].fade) { continue }
            let Some(r) = el.rest() else { continue };
            let a = (r.fade >> 24) & 0xff;
            let ks: Vec<String> = el.keyframes.iter()
                .map(|k| format!("{}:a{}", k.time.map(|v| v.to_string()).unwrap_or("-".into()), (k.fade >> 24) & 0xff))
                .collect();
            println!("entry {i:2}  {:24} rest a={a:3} t={:?}   [{}]{}",
                     el.name, r.time, ks.join(" "),
                     if a > 0 { "   <== VISIBLE" } else { "" });
        }
    }
}