import json, sys
def val(x):
    if isinstance(x, dict) and 't' in x:
        v=x.get('v')
        if x['t']=='struct' and isinstance(v,dict): return {k:val(w) for k,w in v.items()}
        return v
    return x
rows=[]
for ln in open(sys.argv[1]):
    r=json.loads(ln)
    if r.get('hook')!='Game::SVSOSlaversRefuel::UpdateDifficultyTier': continue
    a={x['n']:val(x) for x in (r.get('args') or [])}
    s=r.get('side') or {}
    cd=s.get('cdiff') or {}
    rows.append((a.get('frame'), a.get('cdiff_in'), a.get('predict_path'),
                 val(cd.get('before')), val(cd.get('after'))))
print(f"{len(rows)} UpdateDifficultyTier calls")
prev=None
for f,ci,pp,b,af in rows:
    mark = "  <== STORE" if (b or {}).get('value') != (af or {}).get('value') else ""
    if pp!="no_store_unchanged" or mark or f in (1,2,49,50,51,99,100,101):
        print(f"  frame={f:4} cdiff_in={ci:3} {pp:32} {(b or {}).get('value')} -> {(af or {}).get('value')}{mark}")
print("frames seen:", rows[0][0], "..", rows[-1][0])