"""Post-match player pages: OpenDota → local profile/match JSON (+ optional publish).

Triggered from gsi_watch on POST_GAME. Writes:

    pc/player_pages/{account_id}/profile.json
    pc/player_pages/{account_id}/matches/{match_id}.json

When player_pages.public_share is true, also POSTs to the site ingest so OSS
serves the same paths for /players/{account_id}[/{match_id}].

Not used by recommend / item_suggest.
"""

from __future__ import annotations

import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parents[1]))

import json
import os
import threading
import time
import urllib.error
import urllib.parse
import urllib.request
from datetime import datetime, timezone
from typing import Any

from shared.grid import hero_table
from shared.http_utils import UA, write_json_atomic
from shared.paths import PC_DIR, PC_PLAYER_PAGES

try:
    from player_stats import (  # type: ignore
        activity_from_matches,
        aggregate_from_rows,
        career_from_opendota,
        merge_availability,
        peers_from_opendota,
        should_keep_old_career,
        top_heroes_from_opendota,
    )
except ImportError:  # when imported as pc.player_pages
    from pc.player_stats import (  # type: ignore
        activity_from_matches,
        aggregate_from_rows,
        career_from_opendota,
        merge_availability,
        peers_from_opendota,
        should_keep_old_career,
        top_heroes_from_opendota,
    )

OPENDOTA = "https://api.opendota.com/api"
STEAM_API = "https://api.steampowered.com"
POST_GAME = "DOTA_GAMERULES_STATE_POST_GAME"
PC_SAMPLES_RAW = PC_DIR / "samples" / "raw"
_THROTTLE_SEC = 0.4
DEFAULT_RECENT_LIMIT = 20
# Align with Pages `/api/players/me` isStale (10 minutes).
DEFAULT_ENRICH_TTL_SEC = 600

_lock = threading.Lock()
_in_flight: set[str] = set()
_done: set[str] = set()
_enrich_bg_inflight: set[int] = set()
_hero_by_id: dict[int, dict] | None = None


def _utc_now() -> str:
    return datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")


def _pp_cfg(cfg: dict) -> dict:
    raw = cfg.get("player_pages") or {}
    return raw if isinstance(raw, dict) else {}


def _hero_lookup() -> dict[int, dict]:
    global _hero_by_id
    if _hero_by_id is None:
        out: dict[int, dict] = {}
        for h in hero_table():
            try:
                hid = int(h.get("id") or 0)
            except (TypeError, ValueError):
                continue
            if hid > 0:
                out[hid] = h
        _hero_by_id = out
    return _hero_by_id


def _int(v: Any, default: int = 0) -> int:
    try:
        return int(v)
    except (TypeError, ValueError):
        return default


def _item_ids(player: dict) -> list[int]:
    out: list[int] = []
    for i in range(6):
        iid = _int(player.get(f"item_{i}"), 0)
        if iid > 0:
            out.append(iid)
    return out


def _kda(kills: int, deaths: int, assists: int) -> float:
    return round((kills + assists) / max(deaths, 1), 1)


def _mvp_score(p: dict) -> float:
    """Simple weighted score for MVP badge (not Valve's formula)."""
    k = _int(p.get("kills"))
    d = _int(p.get("deaths"))
    a = _int(p.get("assists"))
    dmg = _int(p.get("hero_damage"))
    nw = _int(p.get("net_worth"))
    return (k * 1.5 + a + dmg / 1000.0 + nw / 2000.0) / max(d, 1)


def normalize_match(
    match: dict,
    *,
    focus_account_id: int | None = None,
) -> dict | None:
    """Build Climperor match-detail JSON from an OpenDota /matches/{id} payload."""
    players_raw = match.get("players")
    if not isinstance(players_raw, list) or not players_raw:
        return None
    match_id = _int(match.get("match_id"), 0)
    if match_id <= 0:
        return None

    heroes = _hero_lookup()
    radiant_win = bool(match.get("radiant_win"))
    duration = _int(match.get("duration"))
    start_time = match.get("start_time")
    try:
        start_time_i = int(start_time) if start_time is not None else None
    except (TypeError, ValueError):
        start_time_i = None

    team_kills = [0, 0]
    team_nw = [0, 0]
    team_dmg = [0, 0]
    slim_players: list[dict] = []

    for p in players_raw:
        if not isinstance(p, dict):
            continue
        slot = _int(p.get("player_slot"))
        is_radiant = slot < 128
        side = 0 if is_radiant else 1
        kills = _int(p.get("kills"))
        deaths = _int(p.get("deaths"))
        assists = _int(p.get("assists"))
        hero_damage = _int(p.get("hero_damage"))
        net_worth = _int(p.get("net_worth"))
        if net_worth <= 0:
            net_worth = _int(p.get("gold")) + _int(p.get("gold_spent"))
        team_kills[side] += kills
        team_nw[side] += net_worth
        team_dmg[side] += hero_damage

        hero_id = _int(p.get("hero_id"))
        hero = heroes.get(hero_id) or {}
        account_id = p.get("account_id")
        try:
            account_id_i = int(account_id) if account_id is not None else None
        except (TypeError, ValueError):
            account_id_i = None

        personaname = p.get("personaname")
        if isinstance(personaname, str):
            personaname = personaname.strip() or None
        else:
            personaname = None

        # OpenDota: same party_id (>0) = stacked; 0/null often means solo or unknown.
        party_raw = p.get("party_id")
        try:
            party_id = int(party_raw) if party_raw is not None else None
        except (TypeError, ValueError):
            party_id = None
        if party_id is not None and party_id <= 0:
            party_id = None

        slim_players.append(
            {
                "account_id": account_id_i,
                "personaname": personaname,
                "hero_id": hero_id,
                "hero_key": hero.get("key"),
                "hero_name_loc": hero.get("name_loc") or hero.get("key"),
                "level": _int(p.get("level")),
                "kills": kills,
                "deaths": deaths,
                "assists": assists,
                "kda": _kda(kills, deaths, assists),
                "hero_damage": hero_damage,
                "net_worth": net_worth,
                "party_id": party_id,
                "party_label": None,
                "items": _item_ids(p),
                "is_radiant": is_radiant,
                "won": radiant_win if is_radiant else not radiant_win,
                "_mvp": _mvp_score(p),
                "_side": side,
                "_slot": slot,
            }
        )

    if len(slim_players) < 2:
        return None

    # Label stacks of 2+ that share party_id (A/B/C…); solo stays null.
    party_counts: dict[int, int] = {}
    for p in slim_players:
        pid = p.get("party_id")
        if isinstance(pid, int) and pid > 0:
            party_counts[pid] = party_counts.get(pid, 0) + 1
    party_labels: dict[int, str] = {}
    for pid, n in sorted(party_counts.items()):
        if n >= 2:
            party_labels[pid] = chr(ord("A") + len(party_labels))

    for p in slim_players:
        side = p.pop("_side")
        tk = team_kills[side] or 1
        td = team_dmg[side] or 1
        p["participation"] = round((p["kills"] + p["assists"]) / tk, 3)
        p["damage_share"] = round(p["hero_damage"] / td, 3)
        pid = p.get("party_id")
        p["party_label"] = party_labels.get(pid) if isinstance(pid, int) else None

    # Prefer account_id when present; fall back to slot so anonymous/private
    # lobbies still get an MVP badge (OpenDota often omits account_id).
    mvp = max(slim_players, key=lambda r: r["_mvp"])
    mvp_account = mvp.get("account_id")
    mvp_slot = mvp.get("_slot")
    for p in slim_players:
        if mvp_account is not None:
            p["is_mvp"] = p.get("account_id") == mvp_account
        else:
            p["is_mvp"] = p.get("_slot") == mvp_slot
        del p["_mvp"]
        del p["_slot"]

    return {
        "match_id": match_id,
        "start_time": start_time_i,
        "duration": duration,
        "radiant_win": radiant_win,
        "radiant": {"kills": team_kills[0], "net_worth": team_nw[0]},
        "dire": {"kills": team_kills[1], "net_worth": team_nw[1]},
        "mvp_account_id": mvp_account,
        "players": slim_players,
        "focus_account_id": focus_account_id,
        "fetched_at": _utc_now(),
        "source": "opendota",
    }


def match_summary_for_profile(detail: dict, account_id: int) -> dict | None:
    """One recent-match row for the player homepage."""
    focus = None
    for p in detail.get("players") or []:
        if p.get("account_id") == account_id:
            focus = p
            break
    if focus is None:
        return None
    return {
        "match_id": detail["match_id"],
        "start_time": detail.get("start_time"),
        "duration": detail.get("duration"),
        "won": bool(focus.get("won")),
        "hero_id": focus.get("hero_id"),
        "hero_key": focus.get("hero_key"),
        "hero_name_loc": focus.get("hero_name_loc"),
        "kills": focus.get("kills"),
        "deaths": focus.get("deaths"),
        "assists": focus.get("assists"),
        "kda": focus.get("kda"),
    }


def account_in_match(match: dict, account_id: int) -> bool:
    for p in match.get("players") or []:
        if not isinstance(p, dict):
            continue
        try:
            if int(p.get("account_id")) == account_id:
                return True
        except (TypeError, ValueError):
            continue
    return False


def _fetch_opendota_match(match_id: int) -> dict | None:
    data = _fetch_opendota_json(f"/matches/{match_id}", timeout=45)
    if not isinstance(data, dict) or not data.get("players"):
        return None
    return data


def _opendota_url(path: str, *, query: dict[str, Any] | None = None) -> str:
    url = f"{OPENDOTA}{path}"
    params = dict(query or {})
    key = (os.environ.get("OPENDOTA_API_KEY") or "").strip()
    if key:
        params["api_key"] = key
    if params:
        url += "?" + urllib.parse.urlencode(params)
    return url


def _fetch_opendota_json(path: str, *, query: dict[str, Any] | None = None, timeout: int = 45) -> Any:
    url = _opendota_url(path, query=query)
    req = urllib.request.Request(url, headers={"User-Agent": UA})
    try:
        with urllib.request.urlopen(req, timeout=timeout) as resp:
            return json.loads(resp.read().decode())
    except urllib.error.HTTPError as e:
        if e.code in (403, 404, 429):
            return None
        raise
    except (urllib.error.URLError, TimeoutError, OSError, ValueError):
        return None


def _fetch_opendota_recent(account_id: int) -> list[dict]:
    """OpenDota /players/{id}/recentMatches (empty when profile is private)."""
    data = _fetch_opendota_json(f"/players/{account_id}/recentMatches")
    if not isinstance(data, list):
        return []
    return [r for r in data if isinstance(r, dict)]


def _fetch_steam_match_history_status(account_id: int) -> int | None:
    """Steam GetMatchHistory status: 1=ok, 15=private, None=unavailable."""
    key = (os.environ.get("STEAM_API_KEY") or "").strip()
    if not key:
        return None
    q = urllib.parse.urlencode(
        {"key": key, "account_id": account_id, "matches_requested": 1}
    )
    url = f"{STEAM_API}/IDOTA2Match_570/GetMatchHistory/v1/?{q}"
    req = urllib.request.Request(url, headers={"User-Agent": UA})
    try:
        with urllib.request.urlopen(req, timeout=20) as resp:
            data = json.loads(resp.read().decode())
    except (urllib.error.HTTPError, urllib.error.URLError, TimeoutError, OSError, ValueError):
        return None
    result = (data or {}).get("result") if isinstance(data, dict) else None
    if not isinstance(result, dict):
        return None
    try:
        return int(result.get("status"))
    except (TypeError, ValueError):
        return None


def _recent_from_gsi(since_ts: int) -> set[int]:
    """Match ids from pc/samples/raw/{match_id}/ with mtime >= since_ts."""
    out: set[int] = set()
    root = PC_SAMPLES_RAW
    if not root.is_dir():
        return out
    for child in root.iterdir():
        if not child.is_dir() or not child.name.isdigit():
            continue
        mid = _int(child.name, 0)
        if mid <= 0:
            continue
        try:
            mtime = int(child.stat().st_mtime)
        except OSError:
            continue
        if mtime >= since_ts:
            out.add(mid)
    return out


def _gsi_self_info(match_id: int, account_id: int) -> tuple[int | None, str | None]:
    """Best-effort (hero_id, personaname) from samples/raw/{match}/gsi.jsonl."""
    path = PC_SAMPLES_RAW / str(match_id) / "gsi.jsonl"
    if not path.is_file():
        return None, None
    hero_key: str | None = None
    persona: str | None = None
    try:
        with path.open(encoding="utf-8") as f:
            for line in f:
                line = line.strip()
                if not line:
                    continue
                try:
                    o = json.loads(line)
                except ValueError:
                    continue
                payload = o.get("payload") if isinstance(o.get("payload"), dict) else o
                if not isinstance(payload, dict):
                    continue
                player = payload.get("player") or {}
                hero = payload.get("hero") or {}
                try:
                    aid = int(player.get("accountid") or 0)
                except (TypeError, ValueError):
                    aid = 0
                if aid != account_id:
                    continue
                pname = player.get("name")
                if isinstance(pname, str) and pname.strip():
                    persona = pname.strip()
                name = hero.get("name")
                if isinstance(name, str) and name.startswith("npc_dota_hero_"):
                    hero_key = name[len("npc_dota_hero_") :]
    except OSError:
        return None, None
    hero_id = None
    if hero_key:
        for h in _hero_lookup().values():
            if h.get("key") == hero_key:
                try:
                    hero_id = int(h.get("id") or 0) or None
                except (TypeError, ValueError):
                    hero_id = None
                break
    return hero_id, persona


def _gsi_self_hero_id(match_id: int, account_id: int) -> int | None:
    hero_id, _ = _gsi_self_info(match_id, account_id)
    return hero_id


def _attach_focus_account(
    match: dict,
    account_id: int,
    hero_id: int | None,
    *,
    personaname: str | None = None,
) -> bool:
    """If account hidden, bind account_id onto hero_id player for local pages."""
    if account_in_match(match, account_id):
        if personaname:
            for p in match.get("players") or []:
                if not isinstance(p, dict):
                    continue
                try:
                    if int(p.get("account_id")) == account_id and not p.get("personaname"):
                        p["personaname"] = personaname
                except (TypeError, ValueError):
                    continue
        return True
    if not hero_id:
        return False
    for p in match.get("players") or []:
        if not isinstance(p, dict):
            continue
        if _int(p.get("hero_id")) == hero_id and p.get("account_id") in (None, 0, "0"):
            p["account_id"] = account_id
            if personaname and not p.get("personaname"):
                p["personaname"] = personaname
            return True
    return False


def _fetch_opendota_player(account_id: int) -> dict:
    """OpenDota /players/{id} → personaname / rank_tier / leaderboard_rank / avatar."""
    data = _fetch_opendota_json(f"/players/{account_id}", timeout=30)
    if not isinstance(data, dict):
        return {}
    profile = data.get("profile") if isinstance(data.get("profile"), dict) else data
    name = profile.get("personaname") if isinstance(profile, dict) else None
    out: dict = {}
    if isinstance(name, str) and name.strip():
        out["personaname"] = name.strip()
    avatar = None
    if isinstance(profile, dict):
        avatar = profile.get("avatarfull") or profile.get("avatarmedium") or profile.get("avatar")
    if isinstance(avatar, str) and avatar.strip():
        out["avatar"] = avatar.strip()
    try:
        tier = int(data.get("rank_tier")) if data.get("rank_tier") is not None else None
    except (TypeError, ValueError):
        tier = None
    if tier and tier >= 10:
        out["rank_tier"] = tier
    try:
        lb = (
            int(data.get("leaderboard_rank"))
            if data.get("leaderboard_rank") is not None
            else None
        )
    except (TypeError, ValueError):
        lb = None
    if lb and lb > 0:
        out["leaderboard_rank"] = lb
    if data.get("profile") and isinstance(data["profile"], dict):
        out["fh_unavailable"] = bool(data["profile"].get("fh_unavailable"))
    return out


def _fetch_opendota_persona(account_id: int) -> str | None:
    """Steam persona from OpenDota /players/{id} (None if private/missing)."""
    return _fetch_opendota_player(account_id).get("personaname")


def fill_player_personanames(detail: dict) -> None:
    """Fill missing personaname for players that have a public account_id."""
    players = detail.get("players")
    if not isinstance(players, list):
        return
    for i, p in enumerate(players):
        if not isinstance(p, dict):
            continue
        if p.get("personaname"):
            continue
        aid = p.get("account_id")
        try:
            aid_i = int(aid) if aid is not None else 0
        except (TypeError, ValueError):
            aid_i = 0
        if aid_i <= 0:
            continue
        if i > 0:
            time.sleep(_THROTTLE_SEC)
        persona = _fetch_opendota_persona(aid_i)
        if persona:
            p["personaname"] = persona


def summary_from_recent_row(row: dict) -> dict | None:
    """Build a profile.recent row from OpenDota recentMatches entry."""
    mid = _int(row.get("match_id"), 0)
    if mid <= 0:
        return None
    hero_id = _int(row.get("hero_id"), 0)
    hero = _hero_lookup().get(hero_id) or {}
    kills = _int(row.get("kills"))
    deaths = _int(row.get("deaths"))
    assists = _int(row.get("assists"))
    player_slot = _int(row.get("player_slot"))
    radiant_win = bool(row.get("radiant_win"))
    is_radiant = player_slot < 128
    start_time = row.get("start_time")
    try:
        start_time_i = int(start_time) if start_time is not None else None
    except (TypeError, ValueError):
        start_time_i = None
    gpm = row.get("gold_per_min")
    xpm = row.get("xp_per_min")
    dmg = row.get("hero_damage")
    return {
        "match_id": mid,
        "start_time": start_time_i,
        "duration": _int(row.get("duration")),
        "won": radiant_win if is_radiant else not radiant_win,
        "hero_id": hero_id or None,
        "hero_key": hero.get("key"),
        "hero_name_loc": hero.get("name_loc") or hero.get("key"),
        "kills": kills,
        "deaths": deaths,
        "assists": assists,
        "kda": _kda(kills, deaths, assists),
        "gpm": _int(gpm) if gpm is not None else None,
        "xpm": _int(xpm) if xpm is not None else None,
        "hero_damage": _int(dmg) if dmg is not None else None,
        "game_mode": _int(row.get("game_mode")) if row.get("game_mode") is not None else None,
        "lobby_type": _int(row.get("lobby_type")) if row.get("lobby_type") is not None else None,
    }


def profile_path(account_id: int) -> Path:
    return PC_PLAYER_PAGES / str(account_id) / "profile.json"


def match_path(account_id: int, match_id: int) -> Path:
    return PC_PLAYER_PAGES / str(account_id) / "matches" / f"{match_id}.json"


def load_profile(account_id: int) -> dict:
    path = profile_path(account_id)
    if not path.is_file():
        return {
            "account_id": account_id,
            "personaname": None,
            "public_share": False,
            "updated_at": None,
            "recent": [],
        }
    try:
        data = json.loads(path.read_text(encoding="utf-8"))
    except (OSError, ValueError):
        data = {}
    if not isinstance(data, dict):
        data = {}
    data.setdefault("account_id", account_id)
    data.setdefault("recent", [])
    return data


def enrich_ttl_seconds(cfg: dict) -> int:
    pp = _pp_cfg(cfg)
    return max(30, _int(pp.get("enrich_ttl_seconds"), DEFAULT_ENRICH_TTL_SEC))


def profile_fetched_at(profile: dict | None) -> str | None:
    if not isinstance(profile, dict):
        return None
    avail = profile.get("availability")
    if isinstance(avail, dict) and avail.get("fetched_at"):
        return str(avail["fetched_at"])
    if profile.get("enriched_at"):
        return str(profile["enriched_at"])
    if profile.get("updated_at"):
        return str(profile["updated_at"])
    return None


def profile_has_payload(profile: dict | None) -> bool:
    """True when cached profile is worth serving without a full OpenDota round-trip."""
    if not isinstance(profile, dict):
        return False
    career = profile.get("career")
    if isinstance(career, dict) and _int(career.get("games"), 0) > 0:
        return True
    recent = profile.get("recent")
    if isinstance(recent, list) and any(isinstance(r, dict) for r in recent):
        return True
    r20 = profile.get("recent_20")
    if isinstance(r20, dict) and _int(r20.get("sample"), 0) > 0:
        return True
    return False


def profile_is_stale(profile: dict | None, ttl_sec: int) -> bool:
    fetched = profile_fetched_at(profile)
    if not fetched:
        return True
    try:
        # Accept trailing Z.
        ts = datetime.fromisoformat(fetched.replace("Z", "+00:00")).timestamp()
    except ValueError:
        return True
    return (time.time() - ts) > max(30, int(ttl_sec))


def _schedule_enrich_background(
    cfg: dict,
    account_id: int,
    *,
    include_gsi: bool = True,
) -> None:
    """Fire-and-forget local refresh (mirrors production Queue)."""
    with _lock:
        if account_id in _enrich_bg_inflight:
            return
        _enrich_bg_inflight.add(account_id)

    def _run() -> None:
        try:
            enrich_profile_recent(cfg, account_id, include_gsi=include_gsi)
        except Exception as e:  # noqa: BLE001
            print(f"[player_pages] background enrich {account_id}: {e}", flush=True)
        finally:
            with _lock:
                _enrich_bg_inflight.discard(account_id)

    threading.Thread(
        target=_run,
        name=f"player-enrich-{account_id}",
        daemon=True,
    ).start()


def get_profile_for_web(
    cfg: dict,
    account_id: int | str,
    *,
    force: bool = False,
    include_gsi: bool = True,
) -> dict:
    """Serve player homepage: cache-first, first miss sync, stale refresh async.

    Matches production semantics: first load may wait on OpenDota; later loads
    return local profile.json immediately and refresh in the background when
    older than enrich_ttl_seconds (default 600).
    """
    try:
        aid = int(account_id)
    except (TypeError, ValueError):
        aid = 0
    if aid <= 0:
        return {
            "account_id": 0,
            "personaname": None,
            "public_share": False,
            "updated_at": None,
            "recent": [],
            "error": "bad account_id",
        }

    ttl = enrich_ttl_seconds(cfg)
    cached = load_profile(aid)
    has_payload = profile_has_payload(cached)
    stale = profile_is_stale(cached, ttl)

    if has_payload and not force and not stale:
        out = dict(cached)
        out["stale"] = False
        avail = out.get("availability")
        if isinstance(avail, dict):
            avail = dict(avail)
            avail["stale"] = False
            out["availability"] = avail
        return out

    if has_payload and not force and stale:
        _schedule_enrich_background(cfg, aid, include_gsi=include_gsi)
        out = dict(cached)
        out["stale"] = True
        avail = out.get("availability")
        if isinstance(avail, dict):
            avail = dict(avail)
            avail["stale"] = True
            out["availability"] = avail
        else:
            out["availability"] = {
                "status": "unknown",
                "note": "刷新中",
                "complete": False,
                "stale": True,
                "fetched_at": profile_fetched_at(cached),
            }
        return out

    # Cold miss (or force): block once so the first page view gets real data.
    return enrich_profile_recent(cfg, aid, include_gsi=include_gsi)


def upsert_profile(
    account_id: int,
    *,
    summary: dict,
    personaname: str | None,
    public_share: bool,
    recent_limit: int,
) -> dict:
    profile = load_profile(account_id)
    recent = [r for r in (profile.get("recent") or []) if isinstance(r, dict)]
    mid = summary["match_id"]
    recent = [r for r in recent if r.get("match_id") != mid]
    recent.insert(0, summary)
    profile["recent"] = recent[: max(1, recent_limit)]
    if personaname:
        profile["personaname"] = personaname
    profile["public_share"] = bool(public_share)
    profile["updated_at"] = _utc_now()
    profile["account_id"] = account_id
    write_json_atomic(profile_path(account_id), profile)
    return profile


def enrich_profile_recent(
    cfg: dict,
    account_id: int | str,
    *,
    days: int | None = None,
    include_gsi: bool = True,
) -> dict:
    """Refresh profile: recent 20 + career/top heroes/peers/activity.

    OpenDota is the stats source. Optional GSI raw dirs fill private lobbies.
    Empty OpenDota responses do not wipe previously stored career stats.
    """
    pp = _pp_cfg(cfg)
    try:
        aid = int(account_id)
    except (TypeError, ValueError):
        aid = 0
    if aid <= 0:
        return {
            "account_id": 0,
            "personaname": None,
            "public_share": False,
            "updated_at": None,
            "recent": [],
            "error": "bad account_id",
        }

    # Legacy `days` still gates GSI discovery window; list itself is recent N.
    window_days = max(1, _int(days if days is not None else pp.get("recent_days"), 14))
    recent_limit = max(1, _int(pp.get("recent_limit"), DEFAULT_RECENT_LIMIT))
    public_share = bool(pp.get("public_share", False))
    since_ts = int(time.time()) - window_days * 86400

    by_mid: dict[int, dict] = {}
    try:
        rows = _fetch_opendota_recent(aid)
    except Exception as e:  # noqa: BLE001
        print(f"[player_pages] recentMatches error for {aid}: {e}", flush=True)
        rows = []
    for row in rows:
        summary = summary_from_recent_row(row)
        if summary:
            by_mid[summary["match_id"]] = summary

    gsi_mids: set[int] = set()
    if include_gsi:
        gsi_mids = _recent_from_gsi(since_ts)

    need_fetch = sorted(m for m in gsi_mids if m not in by_mid)
    for i, mid in enumerate(need_fetch):
        if i > 0:
            time.sleep(_THROTTLE_SEC)
        try:
            match = _fetch_opendota_match(mid)
        except Exception as e:  # noqa: BLE001
            print(f"[player_pages] enrich match {mid}: {e}", flush=True)
            continue
        if not match:
            continue
        hero_id, gsi_name = _gsi_self_info(mid, aid)
        if not _attach_focus_account(match, aid, hero_id, personaname=gsi_name):
            continue
        detail = normalize_match(match, focus_account_id=aid)
        if not detail:
            continue
        fill_player_personanames(detail)
        summary = match_summary_for_profile(detail, aid)
        if summary:
            by_mid[mid] = summary
        if not match_path(aid, mid).is_file():
            write_json_atomic(match_path(aid, mid), detail)

    profile = load_profile(aid)
    existing = [r for r in (profile.get("recent") or []) if isinstance(r, dict)]
    for r in existing:
        mid = _int(r.get("match_id"), 0)
        if mid > 0 and mid not in by_mid:
            by_mid[mid] = r

    merged = sorted(
        by_mid.values(),
        key=lambda r: (_int(r.get("start_time"), 0), _int(r.get("match_id"), 0)),
        reverse=True,
    )
    profile["recent"] = merged[:recent_limit]
    profile["account_id"] = aid
    profile["public_share"] = public_share

    meta = _fetch_opendota_player(aid)
    if meta.get("personaname"):
        profile["personaname"] = meta["personaname"]
    if meta.get("avatar"):
        profile["avatar"] = meta["avatar"]
    if meta.get("rank_tier"):
        profile["rank_tier"] = meta["rank_tier"]
    if meta.get("leaderboard_rank"):
        profile["leaderboard_rank"] = meta["leaderboard_rank"]

    wl = _fetch_opendota_json(f"/players/{aid}/wl")
    totals = _fetch_opendota_json(f"/players/{aid}/totals")
    heroes = _fetch_opendota_json(f"/players/{aid}/heroes")
    peers = _fetch_opendota_json(f"/players/{aid}/peers")
    matches_180 = _fetch_opendota_json(
        f"/players/{aid}/matches",
        query={"date": 180, "significant": 0},
    )
    steam_status = _fetch_steam_match_history_status(aid)

    new_career = career_from_opendota(
        wl if isinstance(wl, dict) else None,
        totals if isinstance(totals, list) else None,
    )
    profile["career"] = should_keep_old_career(profile.get("career"), new_career)
    profile["recent_20"] = aggregate_from_rows(profile["recent"], limit=20)
    profile["top_heroes"] = top_heroes_from_opendota(
        heroes if isinstance(heroes, list) else None,
        hero_lookup=_hero_lookup(),
        limit=5,
    ) or profile.get("top_heroes") or []
    new_peers = peers_from_opendota(peers if isinstance(peers, list) else None, limit=8)
    if new_peers:
        profile["peers"] = new_peers
    elif not isinstance(profile.get("peers"), list):
        profile["peers"] = []
    new_activity = activity_from_matches(
        matches_180 if isinstance(matches_180, list) else None,
        days=180,
    )
    if new_activity:
        profile["activity_180"] = new_activity
    elif not isinstance(profile.get("activity_180"), dict):
        profile["activity_180"] = None

    fetched = _utc_now()
    profile["availability"] = merge_availability(
        opendota_recent_n=len(rows),
        career=profile.get("career"),
        steam_history_status=steam_status,
        fetched_at=fetched,
    )
    if meta.get("fh_unavailable") and profile["availability"]["status"] == "unknown":
        profile["availability"]["status"] = "private"
        profile["availability"]["note"] = "未公开比赛数据"
    profile["updated_at"] = fetched
    profile["enriched_at"] = fetched
    profile["stale"] = False
    if isinstance(profile.get("availability"), dict):
        profile["availability"]["stale"] = False
    write_json_atomic(profile_path(aid), profile)
    print(
        f"[player_pages] enrich account {aid}: {len(profile['recent'])} recent "
        f"(limit={recent_limit}, gsi={len(gsi_mids)}, rank={profile.get('rank_tier')}, "
        f"avail={profile['availability'].get('status')})",
        flush=True,
    )
    return profile


def ensure_match_detail(
    cfg: dict,
    account_id: int | str,
    match_id: int | str,
) -> tuple[dict | None, str]:
    """Return local match JSON; fetch+normalize from OpenDota if missing.

    Returns (detail, error_message). error_message empty on success.
    """
    pp = _pp_cfg(cfg)
    try:
        aid = int(account_id)
        mid = int(match_id)
    except (TypeError, ValueError):
        return None, "bad account_id or match_id"
    if aid <= 0 or mid <= 0:
        return None, "bad account_id or match_id"

    path = match_path(aid, mid)
    if path.is_file():
        try:
            data = json.loads(path.read_text(encoding="utf-8"))
        except (OSError, ValueError) as e:
            return None, str(e)
        if isinstance(data, dict) and data.get("players"):
            return data, ""

    try:
        match = _fetch_opendota_match(mid)
    except Exception as e:  # noqa: BLE001
        return None, f"opendota: {e}"
    if not match:
        return None, "match not ready on OpenDota"

    hero_id, gsi_name = _gsi_self_info(mid, aid)
    if not _attach_focus_account(match, aid, hero_id, personaname=gsi_name):
        return None, "account not in match (private or wrong id)"

    detail = normalize_match(match, focus_account_id=aid)
    if not detail:
        return None, "normalize failed"
    fill_player_personanames(detail)

    write_json_atomic(path, detail)
    summary = match_summary_for_profile(detail, aid)
    if summary:
        personaname = gsi_name
        for p in detail["players"]:
            if p.get("account_id") == aid and p.get("personaname"):
                personaname = p["personaname"]
                break
        if not personaname:
            personaname = _fetch_opendota_persona(aid)
        upsert_profile(
            aid,
            summary=summary,
            personaname=personaname,
            public_share=bool(pp.get("public_share", False)),
            recent_limit=max(1, _int(pp.get("recent_limit"), 30)),
        )
    return detail, ""


def publish_remote(
    *,
    account_id: int,
    match_id: int,
    publish_url: str,
    publish_secret: str = "",
) -> tuple[bool, str]:
    """POST ingest; returns (ok, message)."""
    url = (publish_url or "").strip()
    if not url:
        return False, "publish_url empty"
    body = json.dumps({"account_id": account_id, "match_id": match_id}).encode("utf-8")
    headers = {
        "User-Agent": UA,
        "Content-Type": "application/json",
        "Accept": "application/json",
    }
    secret = (publish_secret or "").strip()
    if secret:
        headers["X-Climperor-Publish-Secret"] = secret
    req = urllib.request.Request(url, data=body, headers=headers, method="POST")
    try:
        with urllib.request.urlopen(req, timeout=60) as resp:
            raw = resp.read().decode("utf-8", errors="replace")
            code = getattr(resp, "status", 200)
    except urllib.error.HTTPError as e:
        try:
            raw = e.read().decode("utf-8", errors="replace")
        except Exception:  # noqa: BLE001
            raw = str(e)
        return False, f"HTTP {e.code}: {raw[:200]}"
    except (urllib.error.URLError, TimeoutError, OSError) as e:
        return False, str(e)
    if code in (200, 201, 202):
        return True, raw[:200] or f"HTTP {code}"
    return False, f"HTTP {code}: {raw[:200]}"


def process_post_game(
    cfg: dict,
    *,
    match_id: str | int,
    account_id: str | int | None,
) -> None:
    """Poll OpenDota, write local pages, optionally publish. Runs in a worker thread."""
    pp = _pp_cfg(cfg)
    if not bool(pp.get("enabled", True)):
        return
    try:
        mid = int(match_id)
    except (TypeError, ValueError):
        print(f"[player_pages] skip bad match_id={match_id!r}", flush=True)
        return
    if mid <= 0:
        return
    try:
        aid = int(account_id) if account_id is not None else 0
    except (TypeError, ValueError):
        aid = 0
    if aid <= 0:
        print(f"[player_pages] skip match {mid}: no accountid (anonymous?)", flush=True)
        return

    key = f"{aid}:{mid}"
    with _lock:
        if key in _done or key in _in_flight:
            return
        _in_flight.add(key)

    try:
        attempts = max(1, _int(pp.get("poll_attempts"), 12))
        base = max(5, _int(pp.get("poll_base_seconds"), 30))
        recent_limit = max(1, _int(pp.get("recent_limit"), 30))
        public_share = bool(pp.get("public_share", False))
        print(
            f"[player_pages] fetching match {mid} for account {aid} "
            f"(up to {attempts} tries)…",
            flush=True,
        )
        match: dict | None = None
        for i in range(attempts):
            if i > 0:
                delay = min(300, base * (2 ** min(i - 1, 3)))
                time.sleep(delay)
            try:
                match = _fetch_opendota_match(mid)
            except Exception as e:  # noqa: BLE001
                print(f"[player_pages] OpenDota error: {e}", flush=True)
                match = None
            if match and account_in_match(match, aid):
                break
            if match and not account_in_match(match, aid):
                hero_id, gsi_name = _gsi_self_info(mid, aid)
                if _attach_focus_account(match, aid, hero_id, personaname=gsi_name):
                    print(
                        f"[player_pages] match {mid}: attached account via GSI hero",
                        flush=True,
                    )
                    break
                print(
                    f"[player_pages] match {mid} has no account {aid} — "
                    "will still try enrich from GSI later",
                    flush=True,
                )
                match = None
                break
            match = None
            print(
                f"[player_pages] match {mid} not ready ({i + 1}/{attempts})",
                flush=True,
            )

        if not match:
            print(
                f"[player_pages] match {mid} detail unavailable; enriching recent…",
                flush=True,
            )
            try:
                enrich_profile_recent(cfg, aid, include_gsi=True)
            except Exception as e:  # noqa: BLE001
                print(f"[player_pages] enrich failed: {e}", flush=True)
            return

        detail = normalize_match(match, focus_account_id=aid)
        if not detail:
            print(f"[player_pages] normalize failed for {mid}", flush=True)
            return
        fill_player_personanames(detail)

        write_json_atomic(match_path(aid, mid), detail)
        summary = match_summary_for_profile(detail, aid)
        if not summary:
            print(f"[player_pages] focus player missing in {mid}", flush=True)
            return
        personaname = None
        for p in detail["players"]:
            if p.get("account_id") == aid and p.get("personaname"):
                personaname = p["personaname"]
                break
        if not personaname:
            _, gsi_name = _gsi_self_info(mid, aid)
            personaname = gsi_name or _fetch_opendota_persona(aid)
        profile = upsert_profile(
            aid,
            summary=summary,
            personaname=personaname,
            public_share=public_share,
            recent_limit=recent_limit,
        )

        local_origin = str(pp.get("local_web_origin") or "http://127.0.0.1:8765").rstrip(
            "/"
        )
        print(
            f"[player_pages] saved {profile_path(aid)} + match {mid}",
            flush=True,
        )
        print(
            f"[player_pages] local: {local_origin}/players/{aid}/{mid}",
            flush=True,
        )
        if not public_share:
            print(
                "[player_pages] private (set player_pages.public_share=true to sync to site)",
                flush=True,
            )
        else:
            pub_url = str(pp.get("publish_url") or "").strip()
            ok, msg = publish_remote(
                account_id=aid,
                match_id=mid,
                publish_url=pub_url,
                publish_secret=str(pp.get("publish_secret") or ""),
            )
            if ok:
                print(f"[player_pages] published: {msg}", flush=True)
            else:
                print(f"[player_pages] publish failed: {msg}", flush=True)

        try:
            enrich_profile_recent(cfg, aid, include_gsi=True)
        except Exception as e:  # noqa: BLE001
            print(f"[player_pages] enrich after post-game failed: {e}", flush=True)

        with _lock:
            _done.add(key)
    finally:
        with _lock:
            _in_flight.discard(key)


def schedule_post_game(
    cfg: dict,
    *,
    match_id: str | int,
    account_id: str | int | None,
) -> None:
    """Fire-and-forget worker; safe to call from the GSI HTTP thread."""
    pp = _pp_cfg(cfg)
    if not bool(pp.get("enabled", True)):
        return
    threading.Thread(
        target=process_post_game,
        kwargs={"cfg": cfg, "match_id": match_id, "account_id": account_id},
        daemon=True,
        name=f"player_pages-{match_id}",
    ).start()