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# -*- coding: utf-8 -*-
"""์›์žฅ โ€” ์ฐธ๊ฐ€์žยทํฌ์ง€์…˜ยท์ ์ˆ˜๋ฅผ ๋‹ด๋Š”๋‹ค.



ํŒŒ์ผ ๊ธฐ๋ฐ˜์ด๋‹ค. HF Space ์žฌ์‹œ์ž‘ ์‹œ ์‚ฌ๋ผ์ง€๋ฏ€๋กœ ์šด์˜์—์„œ๋Š” ์™ธ๋ถ€ ์ €์žฅ์†Œ๋กœ ์˜ฎ๊ธด๋‹ค.

์ง€๊ธˆ์€ ๊ตฌ์กฐ๋ฅผ ํ™•์ •ํ•˜๋Š” ๊ฒŒ ๋ชฉ์ ์ด๊ณ , ์ €์žฅ ์œ„์น˜๋งŒ ๋ฐ”๊พธ๋ฉด ๋˜๋„๋ก ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์ข๊ฒŒ ๋‘”๋‹ค.



๐Ÿ”ด ํฌ์ง€์…˜์€ ์ ˆ๋Œ€ ๋ฎ์–ด์“ฐ์ง€ ์•Š๋Š”๋‹ค. ๋งค ์ œ์ถœ์„ append ํ•œ๋‹ค.

   ๋ฎ์–ด์“ฐ๋ฉด "์–ธ์ œ ๋ฌด์—‡์„ ๋ƒˆ๋Š”๊ฐ€"๊ฐ€ ์‚ฌ๋ผ์ง€๊ณ , ๊ทธ๊ฒŒ ์‚ฌ๋ผ์ง€๋ฉด ์ฑ„์ ์„ ์žฌํ˜„ํ•  ์ˆ˜ ์—†๋‹ค.

"""
import os, json, time, hashlib, threading
from datetime import datetime, timezone

def _root():
    """์›์žฅ ์œ„์น˜. ์˜์† ์Šคํ† ๋ฆฌ์ง€๊ฐ€ ์žˆ์œผ๋ฉด ๊ฑฐ๊ธฐ, ์—†์œผ๋ฉด ์ปจํ…Œ์ด๋„ˆ ์•ˆ.



    ๐Ÿ”ด HF Space์— ์˜์† ์Šคํ† ๋ฆฌ์ง€๋ฅผ ์•ˆ ๋ถ™์ด๋ฉด /data ๊ฐ€ ์—†๋‹ค. ๊ทธ๋•Œ ์ฃฝ์–ด ๋ฒ„๋ฆฌ๋ฉด

       ํ™”๋ฉด ์ž์ฒด๊ฐ€ ์•ˆ ๋œฌ๋‹ค. ๋–  ์žˆ๋˜ '์žฌ์‹œ์ž‘ํ•˜๋ฉด ์‚ฌ๋ผ์ง„๋‹ค'๋Š” ์‚ฌ์‹ค์ด ๋ณด์ด๊ฒŒ ํ•œ๋‹ค.

       ์›์žฅ์ด ํœ˜๋ฐœ๋˜๋Š” ๊ฒƒ๊ณผ ์„œ๋น„์Šค๊ฐ€ ์•ˆ ๋œจ๋Š” ๊ฒƒ์€ ๋‘˜ ๋‹ค ๋‚˜์˜์ง€๋งŒ, ํ›„์ž๋Š”

       ๋ฌด์—‡์ด ๋ฌธ์ œ์ธ์ง€์กฐ์ฐจ ์•Œ ์ˆ˜ ์—†๋‹ค.

    """
    want = os.environ.get("FINCHAL_DATA")
    if want:
        try:
            os.makedirs(want, exist_ok=True)
            t = os.path.join(want, ".w")
            open(t, "w").close(); os.remove(t)
            return want
        except Exception:
            pass
    return os.path.join(os.path.dirname(os.path.abspath(__file__)), "_data")


ROOT = _root()
LOCK = threading.Lock()


# โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ ์›์žฅ ๋ฏธ๋Ÿฌ โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
# ๐Ÿ”ด HF Space์˜ /data ๋Š” ์˜์† ์Šคํ† ๋ฆฌ์ง€๋ฅผ ๋ถ™์ด์ง€ ์•Š์œผ๋ฉด ์žฌ์‹œ์ž‘์— ์‚ฌ๋ผ์ง„๋‹ค.
#    ์‹ค์ธกํ–ˆ๋‹ค โ€” ์žฌ์‹œ์ž‘ ํ›„ ๋ถ€ํŒ… ํ‘œ์‹์ด ์—†์–ด์กŒ๋‹ค(boots 1 -> 1).
#    ์œ ๋ฃŒ ์Šคํ† ๋ฆฌ์ง€ ๋Œ€์‹  ๋น„๊ณต๊ฐœ ๋ฐ์ดํ„ฐ์…‹ ์ €์žฅ์†Œ์— ์›์žฅ์„ ๋ฏธ๋Ÿฌ๋งํ•œ๋‹ค.
#    ์‹œ์ฆŒ 4๊ฐœ์›”์น˜ ๊ธฐ๋ก์ด ์ปจํ…Œ์ด๋„ˆ ์žฌ์‹œ์ž‘ ํ•œ ๋ฒˆ์— ๋‚ ์•„๊ฐ€๋ฉด ๋Œ€ํšŒ๊ฐ€ ๋๋‚œ๋‹ค.
MIRROR = os.environ.get("FINCHAL_MIRROR")        # ์˜ˆ: FINAL-Bench/finchal-ledger
_MIR = {"ok": False, "dirty": False, "at": 0.0, "n": 0, "err": None}


def _api():
    from huggingface_hub import HfApi
    tok = os.environ.get("HF_TOKEN") or os.environ.get("FINCHAL_HF_TOKEN")
    return HfApi(token=tok) if tok else None


def restore():
    """๋ถ€ํŒ… ์‹œ ๋ฏธ๋Ÿฌ์—์„œ ์›์žฅ์„ ๋˜์‚ด๋ฆฐ๋‹ค. ์ด๊ฒŒ ์‹คํŒจํ•˜๋ฉด ๋ฏธ๋Ÿฌ์— ์“ฐ์ง€ ์•Š๋Š”๋‹ค.



    ๐Ÿ”‘ ๋ณต์› ์‹คํŒจ ํ›„ flush ํ•˜๋ฉด ๋นˆ ์›์žฅ์ด ๋ฏธ๋Ÿฌ๋ฅผ ๋ฎ์–ด ์‹œ์ฆŒ์ด ํ†ต์งธ๋กœ ์‚ฌ๋ผ์ง„๋‹ค.

       ํ•œ ๋ฒˆ์˜ ์ž˜๋ชป๋œ ๋ฎ์–ด์“ฐ๊ธฐ๊ฐ€ 4๊ฐœ์›”์„ ์ง€์šด๋‹ค.

    """
    if not MIRROR:
        return "๋ฏธ๋Ÿฌ ์—†์Œ"
    try:
        from huggingface_hub import snapshot_download
        a = _api()
        if a is None:
            _MIR["err"] = "HF_TOKEN ์—†์Œ"
            return _MIR["err"]
        try:
            a.repo_info(MIRROR, repo_type="dataset")
        except Exception:
            a.create_repo(MIRROR, repo_type="dataset", private=True, exist_ok=True)
        # ๐Ÿ”ด ๊ธฐ๋ณธ ์บ์‹œ๋กœ ๋ฐ›์œผ๋ฉด ๊ฒฝ๋กœ์— .cache ๊ฐ€ ๋“ค์–ด๊ฐ„๋‹ค. ๊ทธ๊ฑธ ๊ฑธ๋Ÿฌ๋‚ด๋Š”
        #    ํ•„ํ„ฐ๋ฅผ ๋‘๋ฉด **๋ฐ›์€ ํŒŒ์ผ์ด ์ „๋ถ€ ๊ฑธ๋Ÿฌ์ง„๋‹ค** โ€” ์‹ค์ œ๋กœ ๊ทธ๋ ‡๊ฒŒ ๋˜์–ด
        #    "๋ณต์› 0๊ฐœ"๊ฐ€ ๋‚˜์™”๋‹ค. ๋ชฉ์ ์ง€๋ฅผ ์šฐ๋ฆฌ๊ฐ€ ์ •ํ•ด ๊ทธ ํ•จ์ •์„ ์—†์•ค๋‹ค.
        tmp = os.path.join(ROOT, ".restore")
        d = snapshot_download(MIRROR, repo_type="dataset", token=a.token,
                              local_dir=tmp)
        import shutil, glob
        os.makedirs(os.path.join(ROOT, "positions"), exist_ok=True)
        n = 0
        for src in glob.glob(os.path.join(d, "**", "*"), recursive=True):
            if not os.path.isfile(src):
                continue
            rel = os.path.relpath(src, d)
            if rel.startswith(".git") or rel.startswith(".huggingface"):
                continue
            dst = os.path.join(ROOT, rel)
            os.makedirs(os.path.dirname(dst), exist_ok=True)
            shutil.copyfile(src, dst)
            n += 1
        shutil.rmtree(tmp, ignore_errors=True)
        _MIR["ok"] = True
        _MIR["n"] = n
        return "๋ณต์› %d๊ฐœ" % n
    except Exception as e:
        _MIR["err"] = "%s: %s" % (type(e).__name__, e)
        return _MIR["err"]


def flush(force=False):
    """์›์žฅ์„ ๋ฏธ๋Ÿฌ์— ์˜ฌ๋ฆฐ๋‹ค. ์ œ์ถœ๋งˆ๋‹ค ์˜ฌ๋ฆฌ๋ฉด ์ปค๋ฐ‹์ด ํญ์ฃผํ•˜๋ฏ€๋กœ ๋ชจ์•„์„œ ๋ณด๋‚ธ๋‹ค."""
    if not (MIRROR and _MIR["ok"]) or (not _MIR["dirty"] and not force):
        return False
    try:
        a = _api()
        a.upload_folder(repo_id=MIRROR, repo_type="dataset", folder_path=ROOT,
                        commit_message="ledger sync",
                        ignore_patterns=["*.tmp", ".cache/*", ".restore/*",
                                         ".huggingface/*"])
        _MIR["dirty"] = False
        _MIR["at"] = time.time()
        return True
    except Exception as e:
        _MIR["err"] = "%s: %s" % (type(e).__name__, e)
        return False


def mirror_status():
    return {"repo": MIRROR, "restored": _MIR["ok"], "files": _MIR["n"],
            "pending": _MIR["dirty"], "error": _MIR["err"]}


def boot_check():
    """์›์žฅ์ด ์žฌ์‹œ์ž‘์„ ๊ฒฌ๋””๋Š”์ง€ **์‹ค์ธก**ํ•œ๋‹ค.



    ๐Ÿ”ด '์“ฐ๊ธฐ๊ฐ€ ๋˜๋Š”๊ฐ€'๋กœ ํŒ์ •ํ•˜๋ฉด ์•ˆ ๋œ๋‹ค. ์˜์† ์Šคํ† ๋ฆฌ์ง€๊ฐ€ ์—†์–ด๋„ /data ๋Š”

       ๋งŒ๋“ค์–ด์ง€๊ณ  ์จ์ง„๋‹ค โ€” ์žฌ์‹œ์ž‘ํ•  ๋•Œ ์‚ฌ๋ผ์งˆ ๋ฟ์ด๋‹ค. ๊ทธ๋ž˜์„œ ์“ฐ๊ธฐ ๊ฒ€์‚ฌ๋Š”

       ํ•ญ์ƒ ํ†ต๊ณผํ•˜๋Š” ๊ฐ€์งœ ์‹ ํ˜ธ๋‹ค. ์‹ค์ œ๋กœ ํ™•์ธํ•˜๋ ค๋ฉด ์ด์ „ ๋ถ€ํŒ…์˜ ํ”์ ์ด

       ๋‚จ์•„ ์žˆ๋Š”์ง€๋ฅผ ๋ด์•ผ ํ•œ๋‹ค.



    ๋ฐ˜ํ™˜: (ํŒ์ •, ๋ถ€ํŒ…ํšŸ์ˆ˜)

      "ํ™•์ธ๋จ"   ์ด์ „ ๋ถ€ํŒ… ๊ธฐ๋ก์ด ์‚ด์•„๋‚จ์•˜๋‹ค = ์˜์†

      "๋ฏธํ™•์ธ"   ์ฒซ ๋ถ€ํŒ…์ด๋ผ ์•„์ง ์•Œ ์ˆ˜ ์—†๋‹ค

      "ํœ˜๋ฐœ๋จ"   ๊ธฐ๋ก์„ ๋‚จ๊ฒผ๋Š”๋ฐ ์‚ฌ๋ผ์กŒ๋‹ค = ์žฌ์‹œ์ž‘๋งˆ๋‹ค ์›์žฅ์ด ๋‚ ์•„๊ฐ„๋‹ค

    """
    f = os.path.join(ROOT, "_boot.json")
    prev = _read(f, None)
    n = (prev or {}).get("n", 0) + 1
    if prev is None:
        # ์ปจํ…Œ์ด๋„ˆ๋Š” ์‹œ์ž‘๋๋Š”๋ฐ ํ”์ ์ด ์—†๋‹ค. ์ฒซ ๋ถ€ํŒ…์ธ์ง€ ๋‚ ์•„๊ฐ„ ๊ฑด์ง€๋Š”
        # ์ด ์‹œ์ ์— ๊ตฌ๋ถ„๋˜์ง€ ์•Š๋Š”๋‹ค. ํŒ์ •์€ ๋‹ค์Œ ๋ถ€ํŒ…์œผ๋กœ ๋ฏธ๋ฃฌ๋‹ค.
        verdict = "๋ฏธํ™•์ธ"
    else:
        verdict = "ํ™•์ธ๋จ"
    try:
        _write(f, {"n": n, "at": now().isoformat(), "root": ROOT})
    except Exception:
        pass
    return verdict, n


def _p(*a):
    p = os.path.join(ROOT, *a)
    os.makedirs(os.path.dirname(p), exist_ok=True)
    return p


def now():
    return datetime.now(timezone.utc).replace(microsecond=0)


def _read(path, default):
    try:
        with open(path, encoding="utf-8") as f:
            return json.load(f)
    except Exception:
        return default


def _write(path, obj):
    tmp = path + ".tmp"
    with open(tmp, "w", encoding="utf-8") as f:
        json.dump(obj, f, ensure_ascii=False)
    os.replace(tmp, path)          # ์›์ž์  ๊ต์ฒด โ€” ์ค‘๊ฐ„์— ์ฃฝ์–ด๋„ ๋ฐ˜์ชฝ ํŒŒ์ผ์ด ์•ˆ ๋‚จ๋Š”๋‹ค


# โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ ์ฐธ๊ฐ€์ž โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
def make_key(user_id):
    raw = "%s|%s|finchal" % (user_id, os.environ.get("FINCHAL_SALT", "s1"))
    return "fc_" + hashlib.sha256(raw.encode()).hexdigest()[:24]


def register(user_id, strategy, ptype, assets):
    """์ฐธ๊ฐ€ ๋“ฑ๋ก. ์ด๋ฏธ ์žˆ์œผ๋ฉด ์ „๋žต๋ช…ยท์œ ํ˜•๋งŒ ๊ฐฑ์‹ ํ•˜๊ณ  ํ‚ค๋Š” ์œ ์ง€ํ•œ๋‹ค."""
    with LOCK:
        u = _read(_p("users.json"), {})
        key = make_key(user_id)
        prev = u.get(user_id, {})
        u[user_id] = {
            "user": user_id, "key": key, "strategy": strategy, "type": ptype,
            "assets": sorted(set(assets)),
            "joined": prev.get("joined", now().isoformat()),
            "visits": prev.get("visits", []),
        }
        _write(_p("users.json"), u)
    _MIR["dirty"] = True
    return u[user_id]


def user_by_key(key):
    for v in _read(_p("users.json"), {}).values():
        if v.get("key") == key:
            return v
    return None


def touch(user_id):
    """์ ‘์† ๊ธฐ๋ก โ€” ์‚ฌ๋žŒ ๋ถ€๋ฌธ์˜ '์ฃผ 1ํšŒ ์ ‘์†' ์š”๊ฑด ํŒ์ •์— ์“ด๋‹ค."""
    with LOCK:
        u = _read(_p("users.json"), {})
        if user_id in u:
            v = u[user_id].setdefault("visits", [])
            d = now().date().isoformat()
            if not v or v[-1] != d:
                v.append(d)
                v[:] = v[-400:]
                _write(_p("users.json"), u)


def all_users():
    return list(_read(_p("users.json"), {}).values())


# โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ ํฌ์ง€์…˜ โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
def submit(user_id, asset, position, source="api"):
    """ํฌ์ง€์…˜ ์ œ์ถœ. ๋ฎ์–ด์“ฐ์ง€ ์•Š๊ณ  ์ค„ ๋‹จ์œ„๋กœ ์Œ“๋Š”๋‹ค."""
    pos = max(-1.0, min(1.0, float(position)))
    rec = {"t": now().isoformat(), "u": user_id, "a": asset,
           "p": pos, "src": source}
    with LOCK:
        with open(_p("positions", "%s.jsonl" % asset), "a", encoding="utf-8") as f:
            f.write(json.dumps(rec, ensure_ascii=False) + "\n")
    _MIR["dirty"] = True
    touch(user_id)
    return rec


def seed(user_id, asset, position, at, source="seed"):
    """์ง€์ •ํ•œ ์‹œ๊ฐ์œผ๋กœ ํฌ์ง€์…˜์„ ๊ธฐ๋กํ•œ๋‹ค. ๊ธฐ์ค€์„ ์„ ์‹œ์ฆŒ ๊ฐœ๋ง‰ ์‹œ์ ์— ์‹ฌ์„ ๋•Œ๋งŒ ์“ด๋‹ค.



    ๐Ÿ”ด ์ฐธ๊ฐ€์ž์—๊ฒŒ๋Š” ์ ˆ๋Œ€ ์—ด์–ด ์ฃผ์ง€ ์•Š๋Š”๋‹ค. ๊ณผ๊ฑฐ ์‹œ๊ฐ์œผ๋กœ ํฌ์ง€์…˜์„ ๋„ฃ์„ ์ˆ˜ ์žˆ์œผ๋ฉด

       ๊ฒฐ๊ณผ๋ฅผ ๋ณด๊ณ  ๋‚˜์„œ ์œ ๋ฆฌํ•œ ์‹œ์ ์— ์ง„์ž…ํ•œ ๊ฒƒ์œผ๋กœ ๊พธ๋ฐ€ ์ˆ˜ ์žˆ๋‹ค.

    """
    pos = max(-1.0, min(1.0, float(position)))
    rec = {"t": str(at), "u": user_id, "a": asset, "p": pos, "src": source}
    with LOCK:
        with open(_p("positions", "%s.jsonl" % asset), "a", encoding="utf-8") as f:
            f.write(json.dumps(rec, ensure_ascii=False) + "\n")
    _MIR["dirty"] = True
    return rec


def positions(asset, user_id=None):
    out = []
    p = _p("positions", "%s.jsonl" % asset)
    if not os.path.exists(p):
        return out
    with open(p, encoding="utf-8") as f:
        for line in f:
            try:
                r = json.loads(line)
            except Exception:
                continue
            if user_id is None or r.get("u") == user_id:
                out.append(r)
    return out


def latest(asset, user_id):
    ps = positions(asset, user_id)
    return ps[-1] if ps else None


# โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ ์ ์ˆ˜ ์Šค๋ƒ…์ƒท โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
def save_scores(asset, rows):
    _write(_p("scores", "%s.json" % asset),
           {"at": now().isoformat(), "rows": rows})


def load_scores(asset):
    return _read(_p("scores", "%s.json" % asset), {"at": None, "rows": []})