use std::collections::BTreeMap;
use sylpheed_formats::{idxd::IdxdObject, PakArchive};
fn main() {
    let disc = std::env::var("SYLPHEED_DISC").unwrap();
    let arc = PakArchive::open(format!("{disc}/dat/GP_MAIN_GAME_E.pak")).unwrap();
    let tables: [(u32, &str); 4] = [
        (0x0426e81d, "Player / physics+scoring"),
        (0x6ab4825a, "Weapon"),
        (0x43faa517, "Unit / craft"),
        (0x3c5b0549, "Vessel / capital ship"),
    ];
    for (want, label) in tables {
        // collect all records of this schema
        let mut recs: Vec<IdxdObject> = vec![];
        for e in arc.entries() {
            let Ok(b) = arc.read(e) else { continue };
            let Ok(o) = IdxdObject::parse(&b) else {
                continue;
            };
            if o.schema_hash == want {
                recs.push(o);
            }
        }
        // field-union (explicit-valued keys), with occurrence count
        let mut cols: BTreeMap<String, u32> = BTreeMap::new();
        for o in &recs {
            for (k, _) in o.resolved_fields() {
                *cols.entry(k.into()).or_default() += 1;
            }
        }
        println!("\n╔══ {label}  [{want:08x}]  {} records ══", recs.len());
        let mut cv: Vec<_> = cols.into_iter().collect();
        cv.sort_by_key(|x| std::cmp::Reverse(x.1));
        let colstr: String = cv
            .iter()
            .take(28)
            .map(|(k, c)| format!("{k}({c})"))
            .collect::<Vec<_>>()
            .join("  ");
        println!("║ numeric/enum fields: {colstr}");
        // dump 2 sample records: identity + explicit fields
        for o in recs.iter().take(2) {
            let id = o.get_raw("ID").unwrap_or("?");
            let name = o.get_raw("Name").unwrap_or("");
            print!("║ • {id}");
            if !name.is_empty() {
                print!("  «{name}»");
            }
            println!();
            let fields: Vec<String> = o
                .resolved_fields()
                .iter()
                .map(|(k, v)| format!("{k}={v}"))
                .collect();
            for chunk in fields.chunks(5) {
                println!("║    {}", chunk.join("  "));
            }
        }
    }
}