#!/usr/bin/env python3
"""FINAL exhaustive audit of the whole mixamo/ dataset.
Checks every file in animation/, character/, character_refined/, all JSON indexes,
content-duplicate detection, and functional bone-name compatibility."""
import os, re, sys, json, hashlib
HERE=os.path.dirname(os.path.abspath(__file__)); sys.path.insert(0,HERE)
from fbx_frames import parse as fp
from fbx_bones import bones as real_bones
ROOT=os.path.dirname(HERE)
A=os.path.join(ROOT,"animation"); C=os.path.join(ROOT,"character"); R=os.path.join(ROOT,"character_refined")
MAGIC=b"Kaydara FBX Binary  \x00"
prob=[]; W=lambda m:(prob.append(m),print("  ✗",m))
BONE=re.compile(rb'mixamorig:([A-Za-z0-9_]+)')
CORRUPT=re.compile(rb'mixamorig[0-9]+:')

def md5(p, limit=None):
    h=hashlib.md5()
    with open(p,'rb') as f:
        while True:
            b=f.read(1<<20)
            if not b: break
            h.update(b)
    return h.hexdigest()

def audit(d,label,need_mesh,need_anim):
    files=sorted(f for f in os.listdir(d) if f.endswith(".fbx"))
    print("=== %s (%d files) ==="%(label,len(files)))
    bad=[];tiny=[];norig=[];noanim=[];nomesh=[];corrupt=[];vers={};frames={};bones={};hashes={}
    junk=[f for f in os.listdir(d) if not f.endswith(".fbx")]
    if junk: W("%s has non-fbx files: %s"%(label,junk[:5]))
    for i,f in enumerate(files,1):
        p=os.path.join(d,f); sz=os.path.getsize(p)
        if sz==0: bad.append((f,"zero bytes")); continue
        with open(p,'rb') as fh: head=fh.read(32)
        if not head.startswith(MAGIC): bad.append((f,"bad magic")); continue
        try: vv=fp(p); vers[vv["version"]]=vers.get(vv["version"],0)+1; frames[f]=vv["keys_max"]
        except Exception as e: bad.append((f,"parse:"+str(e)[:30])); continue
        b=open(p,'rb').read()
        if sz < (10000 if need_mesh else 2000): tiny.append((f,sz))
        if b"LimbNode" not in b: norig.append(f)
        if need_anim and b"KeyTime" not in b: noanim.append(f)
        if need_mesh and b.count(b"Vertices")<1: nomesh.append(f)
        if CORRUPT.search(b): corrupt.append(f)
        try: bones[f]=real_bones(p)
        except Exception: bones[f]=set()
        hashes.setdefault(md5(p),[]).append(f)
        if i%600==0: print("   ...%d/%d"%(i,len(files)),flush=True)
    for lbl,lst in [("invalid",bad),("suspiciously small",tiny),("no skeleton",norig),
                    ("no animation curves",noanim),("no skin mesh",nomesh),
                    ("corrupted mixamorig<N>:",corrupt)]:
        if lst:
            if lbl.startswith("corrupted") and "original" in label:
                print("  i  %s: %d %s (EXPECTED - originals kept unmodified; fixes live in character_refined/)"%(label,len(lst),lbl))
            else: W("%s: %d %s -> %s"%(label,len(lst),lbl,lst[:4]))
    if not any([bad,tiny,norig,noanim,nomesh]) and (not corrupt or "original" in label):
        print("  ✓ all %d valid, non-truncated%s%s, no corrupt namespaces"%(
            len(files)," + animated" if need_anim else ""," + skinned" if need_mesh else ""))
    print("  FBX versions:",dict(sorted(vers.items())))
    dups={h:v for h,v in hashes.items() if len(v)>1}
    if dups:
        print("  byte-identical duplicate groups: %d (e.g. %s)"%(len(dups),list(dups.values())[:2]))
    else: print("  ✓ no byte-identical duplicates")
    return files,frames,bones,dups

af,afr,abones,adup = audit(A,"animation",False,True)
cf,_,cbones,_      = audit(C,"character (original)",True,False)
rf,_,rbones,_      = audit(R,"character_refined",True,False)

print("=== JSON indexes ===")
P=json.load(open(os.path.join(ROOT,"animation_prompts.json")))
F=json.load(open(os.path.join(ROOT,"animation_frames.json")))
CH=json.load(open(os.path.join(ROOT,"characters.json")))
if set(P)!=set(af): W("prompts keys != animation files")
if set(F)!=set(af): W("frames keys != animation files")
if set(CH)!=set(cf): W("characters keys != character files")
if set(P)==set(F)==set(af) and set(CH)==set(cf):
    print("  ✓ prompts=%d frames=%d == %d anim files; characters=%d == %d files"%(len(P),len(F),len(af),len(CH),len(cf)))
mm=[(k,F[k],afr.get(k)) for k in F if afr.get(k)!=F[k]]
if mm: W("%d frame values mismatch reparse: %s"%(len(mm),mm[:4]))
else: print("  ✓ all %d frame values == freshly parsed keyframes"%len(F))
badv=[k for k,v in F.items() if not isinstance(v,int) or v<1]
if badv: W("%d bad frame values"%len(badv))
badp=[k for k,v in P.items() if not v.get("prompt") or not re.match(r'^[0-9a-f-]{20,}$',str(v.get("motion_id",'')))]
if badp: W("%d malformed prompts: %s"%(len(badp),badp[:4]))
else: print("  ✓ all prompts well-formed")
ids=[v["motion_id"] for v in P.values()]
if len(ids)!=len(set(ids)): W("%d duplicate motion_ids"%(len(ids)-len(set(ids))))
else: print("  ✓ %d motion_ids unique"%len(ids))
uu=[v["uuid"] for v in CH.values()]
if len(uu)!=len(set(uu)): W("%d duplicate character uuids"%(len(uu)-len(set(uu))))
else: print("  ✓ %d character uuids unique"%len(uu))

print("=== FUNCTIONAL: can animations drive the characters? ===")
anim_union=set()
for s in abones.values(): anim_union|=s
print("  distinct animation bone names: %d"%len(anim_union))
std=[f for f,s in rbones.items() if s]
nonstd=[f for f,s in rbones.items() if not s]
full=[f for f in std if anim_union<=rbones[f]]
partial=[(f,len(anim_union-rbones[f])) for f in std if not (anim_union<=rbones[f])]
print("  refined chars with mixamorig rig      : %d"%len(std))
print("  ├─ covering ALL animation bones       : %d  ✓ retargetable"%len(full))
print("  └─ missing some bones                 : %d %s"%(len(partial),partial[:6]))
print("  refined chars with non-mixamorig rig   : %d %s"%(len(nonstd),nonstd))
# compare: how many ORIGINAL characters were retargetable (before the fix)
ostd=[f for f,s in cbones.items() if s]
ofull=[f for f in ostd if anim_union<=cbones[f]]
print("  (before fix: %d/%d characters had a usable mixamorig rig)"%(len(ofull),len(cf)))

print("\n===== FINAL AUDIT: PROBLEMS = %d ====="%len(prob))
print("✓✓ DATASET FULLY VERIFIED" if not prob else "SEE PROBLEMS ABOVE")