main.py

from __future__ import annotations

import asyncio
import json
import logging
import os
import sqlite3
import socket
import time
import base64
from collections import Counter
from io import BytesIO
from datetime import datetime, timezone, timedelta
from pathlib import Path
from typing import Any, Optional

import discord
from discord import app_commands
from discord.ext import tasks
from fastapi import FastAPI
import aiohttp
import uvicorn
import requests
import yarl
import matplotlib
matplotlib.use("Agg")
import matplotlib.pyplot as plt

from tracker_client import TrackerClient, TrackerError

APP_DIR = Path(__file__).resolve().parent
DB_PATH = Path(os.getenv("DB_PATH", str(APP_DIR / "rocket_watch.db")))
POLL_SECONDS = max(60, int(os.getenv("POLL_SECONDS", "120")))
ALERT_MAX_AGE_MINUTES = max(5, int(os.getenv("ALERT_MAX_AGE_MINUTES", "30")))
DISCORD_BOT_TOKEN = os.getenv("DISCORD_BOT_TOKEN", "").strip()
GUILD_ID = os.getenv("DISCORD_GUILD_ID", "").strip()
DISCORD_LOGIN_TIMEOUT = max(5, int(os.getenv("DISCORD_LOGIN_TIMEOUT", "20")))
DISCORD_READY_TIMEOUT = max(10, int(os.getenv("DISCORD_READY_TIMEOUT", "30")))
DISCORD_RELAY_ORIGIN = (os.getenv("DISCORD_RELAY_ORIGIN") or os.getenv("DISCORD_PROXY_ORIGIN", "")).strip().rstrip("/")
DISCORD_RELAY_SECRET = (os.getenv("DISCORD_RELAY_SECRET") or os.getenv("DISCORD_PROXY_SECRET", "")).strip().strip("/")
GHT = os.getenv("GHT", "").strip()
GITHUB_DATA_REPO = os.getenv("GITHUB_DATA_REPO", "Wuhpondiscord/rldevs").strip()
GITHUB_DATA_BRANCH = os.getenv("GITHUB_DATA_BRANCH", "main").strip() or "main"
GITHUB_SYNC_ACTIVITY_LIMIT = max(100, int(os.getenv("GITHUB_SYNC_ACTIVITY_LIMIT", "5000")))
GITHUB_AUTO_SYNC_SECONDS = max(60, int(os.getenv("GITHUB_AUTO_SYNC_SECONDS", "300")))

logging.basicConfig(
    level=os.getenv("LOG_LEVEL", "INFO").upper(),
    format="%(asctime)s | %(levelname)s | %(name)s | %(message)s",
)
log = logging.getLogger("rocket-watch")


def configure_discord_relay() -> Optional[str]:
    """Route discord.py REST + Gateway traffic through the external Deno relay.

    The relay uses a secret path segment so it cannot be used as an open Discord
    proxy by anyone who does not know the shared secret. The bot token is not
    stored in the relay; discord.py sends it as the normal Authorization header.
    """
    if not DISCORD_RELAY_ORIGIN and not DISCORD_RELAY_SECRET:
        return None
    if not DISCORD_RELAY_ORIGIN or not DISCORD_RELAY_SECRET:
        raise RuntimeError(
            "Set both DISCORD_RELAY_ORIGIN and DISCORD_RELAY_SECRET, or neither."
        )
    if not DISCORD_RELAY_ORIGIN.startswith("https://"):
        raise RuntimeError("DISCORD_RELAY_ORIGIN must start with https://")

    from discord.http import Route
    from discord.gateway import DiscordWebSocket

    rest_base = f"{DISCORD_RELAY_ORIGIN}/p/{DISCORD_RELAY_SECRET}/api/v10"
    gateway = DISCORD_RELAY_ORIGIN.replace("https://", "wss://", 1)
    gateway = f"{gateway}/p/{DISCORD_RELAY_SECRET}/gateway"

    Route.BASE = rest_base
    DiscordWebSocket.DEFAULT_GATEWAY = yarl.URL(gateway)

    # Discord's READY event contains a direct resume_gateway_url. discord.py stores
    # that URL for later RESUME attempts. Restore our proxy URL immediately after
    # READY/RESUMED processing so reconnects never escape the relay.
    original_received_message = DiscordWebSocket.received_message

    async def proxied_received_message(self, msg):
        result = await original_received_message(self, msg)
        if getattr(self, "session_id", None) and str(getattr(self, "gateway", "")) != gateway:
            self.gateway = yarl.URL(gateway)
        return result

    if not getattr(DiscordWebSocket.received_message, "_rocket_watch_proxy_patch", False):
        proxied_received_message._rocket_watch_proxy_patch = True
        DiscordWebSocket.received_message = proxied_received_message

    log.info("Discord relay enabled through %s", DISCORD_RELAY_ORIGIN)
    return gateway


DISCORD_RELAY_GATEWAY = configure_discord_relay()


def utc_now_iso() -> str:
    return datetime.now(timezone.utc).isoformat()


def parse_dt(value: Optional[str]) -> Optional[datetime]:
    if not value:
        return None
    try:
        dt = datetime.fromisoformat(value.replace("Z", "+00:00"))
        if dt.tzinfo is None:
            dt = dt.replace(tzinfo=timezone.utc)
        return dt.astimezone(timezone.utc)
    except ValueError:
        return None


def age_text(value: Optional[str]) -> str:
    dt = parse_dt(value)
    if not dt:
        return "unknown"
    sec = max(0, int((datetime.now(timezone.utc) - dt).total_seconds()))
    if sec < 60:
        return f"{sec}s ago"
    if sec < 3600:
        return f"{sec // 60}m ago"
    if sec < 86400:
        return f"{sec // 3600}h {(sec % 3600) // 60}m ago"
    return f"{sec // 86400}d ago"


def discord_time(value: Optional[str], style: str = "F") -> str:
    """Render a timestamp in each Discord viewer's own locale/timezone."""
    dt = parse_dt(value)
    if not dt:
        return "unknown"
    return f"<t:{int(dt.timestamp())}:{style}>"


def queue_window_text(value: Optional[str]) -> str:
    """Conservative inference from Tracker collection time; never claims live presence."""
    dt = parse_dt(value)
    if not dt:
        return "Unknown"
    age_min = max(0, (datetime.now(timezone.utc) - dt).total_seconds() / 60)
    if age_min <= 3:
        return "**Very fresh result** — strongest window to try the same playlist/MMR"
    if age_min <= 8:
        return "**Fresh** — they may still be playing or re-queueing"
    if age_min <= 20:
        return "**Recent** — useful signal, but queue status is uncertain"
    return "**Stale** — weak signal for current matchmaking"


def activity_label(value: Optional[str]) -> str:
    dt = parse_dt(value)
    if not dt:
        return "UNKNOWN"
    age = (datetime.now(timezone.utc) - dt).total_seconds()
    if age <= 8 * 60:
        return "HOT"
    if age <= 20 * 60:
        return "RECENT"
    if age <= 60 * 60:
        return "COOLING"
    return "INACTIVE"


def trunc(s: str, n: int) -> str:
    return s if len(s) <= n else s[: n - 1] + "…"


class Store:
    def __init__(self, path: Path):
        self.path = path
        self.path.parent.mkdir(parents=True, exist_ok=True)
        self._init()

    def conn(self):
        conn = sqlite3.connect(self.path, timeout=30)
        conn.row_factory = sqlite3.Row
        return conn

    def _init(self):
        with self.conn() as c:
            c.executescript(
                """
                PRAGMA journal_mode=WAL;
                CREATE TABLE IF NOT EXISTS players (
                    id INTEGER PRIMARY KEY,
                    guild_id INTEGER NOT NULL,
                    label TEXT NOT NULL,
                    platform TEXT NOT NULL,
                    identifier TEXT NOT NULL,
                    handle TEXT,
                    tracker_player_id INTEGER,
                    alert_channel_id INTEGER,
                    enabled INTEGER NOT NULL DEFAULT 1,
                    created_at TEXT NOT NULL,
                    alert_watermark_at TEXT,
                    UNIQUE(guild_id, platform, identifier)
                );

                CREATE TABLE IF NOT EXISTS snapshots (
                    id INTEGER PRIMARY KEY,
                    player_id INTEGER NOT NULL,
                    observed_at TEXT NOT NULL,
                    tracker_updated_at TEXT,
                    playlist_json TEXT NOT NULL,
                    FOREIGN KEY(player_id) REFERENCES players(id)
                );
                CREATE INDEX IF NOT EXISTS idx_snapshots_player_time
                    ON snapshots(player_id, observed_at DESC);

                CREATE TABLE IF NOT EXISTS matches (
                    id INTEGER PRIMARY KEY,
                    player_id INTEGER NOT NULL,
                    external_id TEXT NOT NULL,
                    collected_at TEXT,
                    playlist TEXT,
                    result TEXT,
                    rating INTEGER,
                    rating_delta INTEGER,
                    tier TEXT,
                    division TEXT,
                    is_grouped INTEGER,
                    matches_played INTEGER,
                    wins INTEGER,
                    goals INTEGER,
                    assists INTEGER,
                    saves INTEGER,
                    shots INTEGER,
                    mvps INTEGER,
                    first_seen_at TEXT NOT NULL,
                    raw_json TEXT,
                    FOREIGN KEY(player_id) REFERENCES players(id),
                    UNIQUE(player_id, external_id)
                );
                CREATE INDEX IF NOT EXISTS idx_matches_player_collected
                    ON matches(player_id, collected_at DESC);
                """
            )
            cols = {row["name"] for row in c.execute("PRAGMA table_info(players)")}
            if "alert_watermark_at" not in cols:
                c.execute("ALTER TABLE players ADD COLUMN alert_watermark_at TEXT")

    def add_player(self, guild_id: int, label: str, platform: str, identifier: str, channel_id: int) -> int:
        with self.conn() as c:
            c.execute(
                """
                INSERT INTO players(guild_id,label,platform,identifier,alert_channel_id,created_at)
                VALUES(?,?,?,?,?,?)
                ON CONFLICT(guild_id, platform, identifier) DO UPDATE SET
                    label=excluded.label,
                    alert_channel_id=excluded.alert_channel_id,
                    enabled=1
                """,
                (guild_id, label, platform, identifier, channel_id, utc_now_iso()),
            )
            row = c.execute(
                "SELECT id FROM players WHERE guild_id=? AND platform=? AND identifier=?",
                (guild_id, platform, identifier),
            ).fetchone()
            return int(row["id"])

    def remove_player(self, guild_id: int, query: str) -> bool:
        with self.conn() as c:
            cur = c.execute(
                "DELETE FROM players WHERE guild_id=? AND (label=? COLLATE NOCASE OR identifier=? COLLATE NOCASE)",
                (guild_id, query, query),
            )
            return cur.rowcount > 0

    def players(self, guild_id: Optional[int] = None):
        with self.conn() as c:
            if guild_id is None:
                return c.execute("SELECT * FROM players WHERE enabled=1 ORDER BY guild_id,label").fetchall()
            return c.execute(
                "SELECT * FROM players WHERE enabled=1 AND guild_id=? ORDER BY label COLLATE NOCASE",
                (guild_id,),
            ).fetchall()

    def get_player(self, guild_id: int, query: str):
        with self.conn() as c:
            return c.execute(
                """
                SELECT * FROM players
                WHERE guild_id=? AND enabled=1
                  AND (label=? COLLATE NOCASE OR handle=? COLLATE NOCASE OR identifier=? COLLATE NOCASE)
                LIMIT 1
                """,
                (guild_id, query, query, query),
            ).fetchone()

    def update_identity(self, player_id: int, handle: str, tracker_player_id: Optional[int]):
        with self.conn() as c:
            c.execute(
                "UPDATE players SET handle=?, tracker_player_id=? WHERE id=?",
                (handle, tracker_player_id, player_id),
            )

    def set_alert_watermark(self, player_id: int, value: Optional[str]) -> None:
        if not value:
            return
        with self.conn() as c:
            c.execute("UPDATE players SET alert_watermark_at=? WHERE id=?", (value, player_id))

    def ensure_alert_watermark(self, player_id: int) -> Optional[str]:
        with self.conn() as c:
            row = c.execute("SELECT alert_watermark_at, created_at FROM players WHERE id=?", (player_id,)).fetchone()
            if not row:
                return None
            if row["alert_watermark_at"]:
                return row["alert_watermark_at"]
            latest = c.execute(
                "SELECT collected_at FROM matches WHERE player_id=? AND collected_at IS NOT NULL ORDER BY collected_at DESC LIMIT 1",
                (player_id,),
            ).fetchone()
            value = latest["collected_at"] if latest else row["created_at"]
            c.execute("UPDATE players SET alert_watermark_at=? WHERE id=?", (value, player_id))
            return value

    def add_snapshot(self, player_id: int, profile) -> None:
        with self.conn() as c:
            c.execute(
                "INSERT INTO snapshots(player_id,observed_at,tracker_updated_at,playlist_json) VALUES(?,?,?,?)",
                (
                    player_id,
                    utc_now_iso(),
                    profile.last_updated.isoformat() if profile.last_updated else None,
                    json.dumps(profile.playlists, separators=(",", ":")),
                ),
            )

    def latest_snapshot(self, player_id: int):
        with self.conn() as c:
            return c.execute(
                "SELECT * FROM snapshots WHERE player_id=? ORDER BY observed_at DESC LIMIT 1",
                (player_id,),
            ).fetchone()

    def insert_matches(self, player_id: int, matches: list[dict[str, Any]]) -> list[dict[str, Any]]:
        newly_added: list[dict[str, Any]] = []
        with self.conn() as c:
            for m in matches:
                ext = m.get("match_id")
                if not ext:
                    continue
                cur = c.execute(
                    """
                    INSERT OR IGNORE INTO matches(
                        player_id,external_id,collected_at,playlist,result,rating,rating_delta,tier,division,
                        is_grouped,matches_played,wins,goals,assists,saves,shots,mvps,first_seen_at,raw_json
                    ) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
                    """,
                    (
                        player_id, ext, m.get("collected_at"), m.get("playlist"), m.get("result"),
                        m.get("rating"), m.get("rating_delta"), m.get("tier"), m.get("division"),
                        int(bool(m.get("is_grouped"))), m.get("matches_played"), m.get("wins"),
                        m.get("goals"), m.get("assists"), m.get("saves"), m.get("shots"), m.get("mvps"),
                        utc_now_iso(), json.dumps(m, separators=(",", ":")),
                    ),
                )
                if cur.rowcount:
                    newly_added.append(m)
        return newly_added

    def recent_matches(self, player_id: int, limit: int = 10):
        with self.conn() as c:
            return c.execute(
                "SELECT * FROM matches WHERE player_id=? ORDER BY collected_at DESC LIMIT ?",
                (player_id, limit),
            ).fetchall()

    def latest_match(self, player_id: int):
        rows = self.recent_matches(player_id, 1)
        return rows[0] if rows else None

    def matches_since(self, player_id: int, since_iso: str):
        with self.conn() as c:
            return c.execute(
                """
                SELECT * FROM matches
                WHERE player_id=? AND collected_at IS NOT NULL AND collected_at>=?
                ORDER BY collected_at ASC, id ASC
                """,
                (player_id, since_iso),
            ).fetchall()


    def export_players(self) -> list[dict[str, Any]]:
        with self.conn() as c:
            rows = c.execute("SELECT * FROM players ORDER BY guild_id,label COLLATE NOCASE").fetchall()
        return [dict(r) for r in rows]

    def export_matches(self, limit: int = 5000) -> list[dict[str, Any]]:
        with self.conn() as c:
            rows = c.execute(
                """
                SELECT p.guild_id,p.platform,p.identifier,p.label,m.*
                FROM matches m JOIN players p ON p.id=m.player_id
                ORDER BY m.collected_at DESC, m.id DESC LIMIT ?
                """,
                (limit,),
            ).fetchall()
        out = []
        for r in rows:
            d = dict(r)
            d.pop("id", None)
            d.pop("player_id", None)
            out.append(d)
        return out

    def restore_player(self, item: dict[str, Any]) -> Optional[int]:
        try:
            guild_id = int(item["guild_id"])
            platform = str(item["platform"])
            identifier = str(item["identifier"])
            label = str(item.get("label") or identifier)
            channel_id = int(item.get("alert_channel_id") or 0)
        except (KeyError, TypeError, ValueError):
            return None
        with self.conn() as c:
            c.execute(
                """
                INSERT INTO players(
                    guild_id,label,platform,identifier,handle,tracker_player_id,
                    alert_channel_id,enabled,created_at,alert_watermark_at
                ) VALUES(?,?,?,?,?,?,?,?,?,?)
                ON CONFLICT(guild_id,platform,identifier) DO UPDATE SET
                    label=excluded.label,
                    handle=COALESCE(excluded.handle,players.handle),
                    tracker_player_id=COALESCE(excluded.tracker_player_id,players.tracker_player_id),
                    alert_channel_id=CASE WHEN excluded.alert_channel_id>0 THEN excluded.alert_channel_id ELSE players.alert_channel_id END,
                    enabled=excluded.enabled,
                    alert_watermark_at=COALESCE(excluded.alert_watermark_at,players.alert_watermark_at)
                """,
                (
                    guild_id,label,platform,identifier,item.get("handle"),item.get("tracker_player_id"),
                    channel_id,int(item.get("enabled",1)),item.get("created_at") or utc_now_iso(),item.get("alert_watermark_at"),
                ),
            )
            row=c.execute(
                "SELECT id FROM players WHERE guild_id=? AND platform=? AND identifier=?",
                (guild_id,platform,identifier),
            ).fetchone()
            return int(row["id"]) if row else None

    def restore_match(self, player_id: int, item: dict[str, Any]) -> None:
        ext = item.get("external_id") or item.get("match_id")
        if not ext:
            return
        with self.conn() as c:
            c.execute(
                """
                INSERT OR IGNORE INTO matches(
                    player_id,external_id,collected_at,playlist,result,rating,rating_delta,tier,division,
                    is_grouped,matches_played,wins,goals,assists,saves,shots,mvps,first_seen_at,raw_json
                ) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
                """,
                (
                    player_id,ext,item.get("collected_at"),item.get("playlist"),item.get("result"),
                    item.get("rating"),item.get("rating_delta"),item.get("tier"),item.get("division"),
                    int(bool(item.get("is_grouped"))),item.get("matches_played"),item.get("wins"),
                    item.get("goals"),item.get("assists"),item.get("saves"),item.get("shots"),item.get("mvps"),
                    item.get("first_seen_at") or utc_now_iso(),item.get("raw_json") or json.dumps(item,separators=(",",":")),
                ),
            )


class GitHubDataStore:
    API = "https://api.github.com"

    def __init__(self, token: str, repo: str, branch: str = "main"):
        self.token = token
        self.repo = repo
        self.branch = branch
        self.enabled = bool(token and repo)
        self.session = requests.Session()
        if self.enabled:
            self.session.headers.update({
                "Authorization": f"Bearer {token}",
                "Accept": "application/vnd.github+json",
                "X-GitHub-Api-Version": "2022-11-28",
                "User-Agent": "rocket-watch-hf/1.0",
            })
        self.last_sync_at: Optional[str] = None
        self.last_error: Optional[str] = None

    def _url(self, path: str) -> str:
        return f"{self.API}/repos/{self.repo}/contents/{path}"

    def read_json(self, path: str, default: dict[str, Any]) -> tuple[dict[str, Any], Optional[str]]:
        if not self.enabled:
            return default, None
        r = self.session.get(self._url(path), params={"ref": self.branch}, timeout=20)
        if r.status_code == 404:
            return default, None
        r.raise_for_status()
        payload = r.json()
        raw = base64.b64decode(payload.get("content", "")).decode("utf-8")
        return json.loads(raw), payload.get("sha")

    def write_json(self, path: str, data: dict[str, Any], message: str) -> None:
        if not self.enabled:
            return
        _, sha = self.read_json(path, {})
        body = {
            "message": message,
            "content": base64.b64encode((json.dumps(data, indent=2, sort_keys=False) + "\n").encode()).decode(),
            "branch": self.branch,
        }
        if sha:
            body["sha"] = sha
        r = self.session.put(self._url(path), json=body, timeout=30)
        r.raise_for_status()

    def ensure_files(self) -> None:
        if not self.enabled:
            return
        defaults = {
            "datasets/users.json": {"schema_version": 1, "updated_at": None, "players": []},
            "datasets/activity.json": {"schema_version": 1, "updated_at": None, "matches": []},
        }
        for path, default in defaults.items():
            data, sha = self.read_json(path, default)
            if sha is None:
                self.write_json(path, data, f"Create {path}")

    def restore_into(self, store: Store) -> dict[str, int]:
        if not self.enabled:
            return {"players": 0, "matches": 0}
        users, _ = self.read_json("datasets/users.json", {"players": []})
        activity, _ = self.read_json("datasets/activity.json", {"matches": []})
        key_to_id: dict[tuple[int,str,str], int] = {}
        restored_players = 0
        for item in users.get("players") or []:
            pid = store.restore_player(item)
            if pid is not None:
                key_to_id[(int(item["guild_id"]), str(item["platform"]), str(item["identifier"]))] = pid
                restored_players += 1
        restored_matches = 0
        for item in activity.get("matches") or []:
            try:
                key = (int(item["guild_id"]), str(item["platform"]), str(item["identifier"]))
            except (KeyError, TypeError, ValueError):
                continue
            pid = key_to_id.get(key)
            if pid is None:
                row = store.get_player(key[0], key[2])
                pid = int(row["id"]) if row else None
            if pid is not None:
                store.restore_match(pid, item)
                restored_matches += 1
        self.last_sync_at = utc_now_iso()
        self.last_error = None
        return {"players": restored_players, "matches": restored_matches}

    def push_all(self, store: Store, reason: str = "Sync RL dev tracker datasets") -> None:
        if not self.enabled:
            return
        now = utc_now_iso()
        users = {"schema_version": 1, "updated_at": now, "players": store.export_players()}
        activity = {"schema_version": 1, "updated_at": now, "matches": store.export_matches(GITHUB_SYNC_ACTIVITY_LIMIT)}
        self.write_json("datasets/users.json", users, f"{reason}: users")
        self.write_json("datasets/activity.json", activity, f"{reason}: activity")
        self.last_sync_at = now
        self.last_error = None


github_data = GitHubDataStore(GHT, GITHUB_DATA_REPO, GITHUB_DATA_BRANCH)


store = Store(DB_PATH)
tracker = TrackerClient()


async def github_push(reason: str = "Sync RL dev tracker datasets") -> bool:
    if not github_data.enabled:
        return False
    try:
        await asyncio.to_thread(github_data.push_all, store, reason)
        return True
    except Exception as exc:
        github_data.last_error = f"{type(exc).__name__}: {exc}"
        log.warning("GitHub dataset sync failed: %s", exc)
        return False


intents = discord.Intents.default()
client = discord.Client(intents=intents)
tree = app_commands.CommandTree(client)

# Runtime state used by the health endpoint.
runtime = {
    "discord_connected": False,
    "discord_user": None,
    "discord_last_error": None,
    "discord_last_attempt": None,
    "discord_last_connected": None,
    "discord_retry_seconds": None,
    "discord_stage": "idle",
    "discord_stage_since": None,
}


async def fetch_and_store(player_row, *, seed: bool = False) -> tuple[Any, list[dict[str, Any]]]:
    profile = await asyncio.to_thread(tracker.profile, player_row["platform"], player_row["identifier"])
    sessions_payload = await asyncio.to_thread(tracker.sessions, player_row["platform"], player_row["identifier"])
    matches = tracker.flatten_session_matches(sessions_payload)

    store.update_identity(player_row["id"], profile.handle, profile.player_id)
    store.add_snapshot(player_row["id"], profile)
    new_matches = store.insert_matches(player_row["id"], matches)

    # On initial add, establish a watermark at the newest historical match. Tracker can
    # reveal older/grouped rows later, and those must never be announced as live activity.
    if seed:
        dated = [m for m in matches if parse_dt(m.get("collected_at"))]
        if dated:
            newest = max(dated, key=lambda m: parse_dt(m.get("collected_at")))
            store.set_alert_watermark(player_row["id"], newest.get("collected_at"))
        else:
            store.set_alert_watermark(player_row["id"], utc_now_iso())
        return profile, []

    return profile, new_matches


def profile_embed(player_row, profile, latest_match=None) -> discord.Embed:
    e = discord.Embed(
        title=f"{profile.handle} — Rocket League",
        description=f"{profile.platform.upper()} • Season {profile.season or '?'}",
        color=discord.Color.blurple(),
        timestamp=datetime.now(timezone.utc),
    )
    if profile.avatar_url:
        e.set_thumbnail(url=profile.avatar_url)

    if latest_match:
        e.add_field(
            name="Activity",
            value=f"**{activity_label(latest_match['collected_at'])}** • {discord_time(latest_match['collected_at'], 'R')}\n{discord_time(latest_match['collected_at'], 'f')}",
            inline=True,
        )
        e.add_field(name="Last mode", value=latest_match["playlist"] or "Unknown", inline=True)
        if latest_match["rating"] is not None:
            delta = latest_match["rating_delta"]
            ds = f" ({delta:+d})" if delta is not None else ""
            e.add_field(name="Last MMR", value=f"{latest_match['rating']}{ds}", inline=True)

    ranked = [p for p in profile.playlists if p.get("rating") is not None]
    ranked.sort(key=lambda p: ("Ranked" not in (p.get("name") or ""), p.get("name") or ""))
    for p in ranked[:10]:
        rank = " ".join(x for x in [p.get("tier"), p.get("division")] if x) or "—"
        peak = f" • peak {p['peak_rating']}" if p.get("peak_rating") is not None else ""
        e.add_field(
            name=trunc(p.get("name") or "Playlist", 256),
            value=f"**{p['rating']} MMR** • {rank}{peak}",
            inline=False,
        )
    e.set_footer(text="Tracker collection times can lag actual in-game activity.")
    return e


def match_embed(player_row, match: dict[str, Any]) -> discord.Embed:
    rating = match.get("rating")
    delta = match.get("rating_delta")
    mmr = "Unknown"
    if rating is not None:
        mmr = str(rating)
        if delta is not None:
            mmr += f" ({delta:+d})"
    result = match.get("result") or "activity"
    e = discord.Embed(
        title=f"New RL activity — {player_row['label']}",
        description=f"**{match.get('playlist') or 'Unknown playlist'}** • {result}",
        color=discord.Color.green() if str(result).lower() == "victory" else discord.Color.orange(),
        timestamp=parse_dt(match.get("collected_at")) or datetime.now(timezone.utc),
    )
    e.add_field(name="MMR", value=mmr, inline=True)
    rank = " ".join(x for x in [match.get("tier"), match.get("division")] if x)
    if rank:
        e.add_field(name="Rank", value=rank, inline=True)
    e.add_field(
        name="Observed",
        value=f"{discord_time(match.get('collected_at'), 'R')}\n{discord_time(match.get('collected_at'), 'f')}",
        inline=True,
    )
    e.add_field(name="Matchmaking signal", value=queue_window_text(match.get("collected_at")), inline=False)
    stats = []
    for k, label in [("goals", "G"), ("assists", "A"), ("saves", "S"), ("shots", "Shots")]:
        if match.get(k) is not None:
            stats.append(f"{label}: {match[k]}")
    if stats:
        e.add_field(name="Stats", value=" • ".join(stats), inline=False)
    e.set_footer(text="Activity is inferred from Tracker updates; it is not a direct online-status signal.")
    return e




def build_activity_graph(matches, label: str, range_days: int, style: str = "bar") -> tuple[BytesIO, dict[str, Any], str]:
    valid = []
    for m in matches:
        if m["is_grouped"]:
            continue
        dt = parse_dt(m["collected_at"])
        if not dt:
            continue
        valid.append((m, dt))
    if not valid:
        raise ValueError("No non-grouped matches in the selected time range.")

    hourly = [0] * 24
    dow_hour = [[0 for _ in range(24)] for _ in range(7)]
    playlist_counter: Counter[str] = Counter()
    active_days = set()
    for m, dt in valid:
        hourly[dt.hour] += 1
        dow_hour[dt.weekday()][dt.hour] += 1
        playlist_counter[m["playlist"] or "Unknown"] += 1
        active_days.add(dt.date().isoformat())

    top_hour = max(range(24), key=lambda h: hourly[h])
    top_hour_count = hourly[top_hour]
    top_day_index = max(range(7), key=lambda d: sum(dow_hour[d]))
    day_names = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
    top_day_count = sum(dow_hour[top_day_index])
    avg_per_active_day = len(valid) / max(1, len(active_days))
    top_playlist, top_playlist_count = playlist_counter.most_common(1)[0]

    fig = plt.figure(figsize=(10.5, 4.8 if style == "bar" else 5.8))
    ax = fig.add_subplot(111)
    title = f"{label} activity by time of day — last {range_days} day(s)"

    if style == "heatmap":
        im = ax.imshow(dow_hour, aspect="auto", interpolation="nearest")
        ax.set_title(title + " (UTC)")
        ax.set_xlabel("Hour of day (UTC)")
        ax.set_ylabel("Day of week")
        ax.set_xticks(range(0, 24, 1))
        ax.set_xticklabels([str(h) for h in range(24)], fontsize=8)
        ax.set_yticks(range(7))
        ax.set_yticklabels(day_names)
        fig.colorbar(im, ax=ax, label="Observed matches")
        caption = "Heatmap uses UTC. Static images cannot auto-convert to each viewer's local timezone."
    else:
        ax.bar(list(range(24)), hourly)
        ax.set_title(title + " (UTC)")
        ax.set_xlabel("Hour of day (UTC)")
        ax.set_ylabel("Observed matches")
        ax.set_xticks(range(24))
        ax.set_xlim(-0.6, 23.6)
        ax.grid(True, axis="y", alpha=0.3)
        caption = "Bar chart uses UTC. Static images cannot auto-convert to each viewer's local timezone."

    fig.tight_layout()
    buf = BytesIO()
    fig.savefig(buf, format="png", dpi=170, bbox_inches="tight")
    plt.close(fig)
    buf.seek(0)

    stats = {
        "match_count": len(valid),
        "active_days": len(active_days),
        "avg_per_active_day": avg_per_active_day,
        "top_hour": top_hour,
        "top_hour_count": top_hour_count,
        "top_day": day_names[top_day_index],
        "top_day_count": top_day_count,
        "top_playlist": top_playlist,
        "top_playlist_count": top_playlist_count,
    }
    return buf, stats, caption

@client.event
async def on_ready():
    runtime["discord_connected"] = True
    runtime["discord_user"] = str(client.user) if client.user else None
    runtime["discord_last_connected"] = utc_now_iso()
    runtime["discord_last_error"] = None
    runtime["discord_retry_seconds"] = None
    log.info("Logged in as %s (%s)", client.user, client.user.id if client.user else "?")
    if not watcher.is_running():
        watcher.change_interval(seconds=POLL_SECONDS)
        watcher.start()
    if github_data.enabled and not github_auto_sync.is_running():
        github_auto_sync.change_interval(seconds=GITHUB_AUTO_SYNC_SECONDS)
        github_auto_sync.start()


@client.event
async def on_disconnect():
    runtime["discord_connected"] = False




@tree.command(name="help", description="Explain the tracker commands, alerts, and GitHub persistence")
async def help_cmd(interaction: discord.Interaction):
    e = discord.Embed(
        title="Dev Stalker — Help",
        description=(
            "Tracks public Rocket League Tracker activity for selected accounts. "
            "Tracker data can lag, so freshness is an inference rather than direct online/queue status."
        ),
        color=discord.Color.blurple(),
    )
    e.add_field(
        name="Tracking",
        value=(
            "`/track_add` — add an Epic/Steam/Xbox/PSN account and alert this channel.\n"
            "`/track_remove` — stop tracking an account.\n"
            "`/track_list` — list accounts tracked in this server.\n"
            "`/rl_refresh` — force an immediate Tracker refresh for all tracked accounts."
        ),
        inline=False,
    )
    e.add_field(
        name="Player info",
        value=(
            "`/rl_player` — current profile, ranks/MMR, and latest observed activity.\n"
            "`/rl_recent` — recent recorded matches/activity with local Discord timestamps.\n"
            "`/activity_graph` — graph the hours/day patterns for one tracked target or all tracked targets over a time range.\n"
            "`/watch_status` — compact playlist/MMR/freshness view for one target.\n"
            "`/watch_hot` — rank tracked targets by freshest observed activity."
        ),
        inline=False,
    )
    e.add_field(
        name="GitHub persistence",
        value=(
            "GitHub backup is automatic. Adds/removes/new activity trigger immediate syncs, and a "
            f"background safety sync runs about every **{GITHUB_AUTO_SYNC_SECONDS // 60 or 1} minute(s)**.\n"
            "`/github_status` — show persistence health and last successful sync.\n"
            "`/github_sync` — manually force a backup if you suspect something went wrong."
        ),
        inline=False,
    )
    e.add_field(
        name="Alert behavior",
        value=(
            "Historical matches are seeded silently when a player is first added. Grouped `Multiple` rows are "
            "kept in history but suppressed from live alerts. Discord timestamps render in each viewer's local timezone."
        ),
        inline=False,
    )
    e.set_footer(text="Use /github_status if persistence ever looks unhealthy.")
    await interaction.response.send_message(embed=e, ephemeral=True)


@tree.command(name="track_add", description="Track a Rocket League account and alert this channel on new activity")
@app_commands.describe(platform="steam, epic, xbox, or psn", identifier="Tracker-compatible account identifier", label="Short name shown by the bot")
async def track_add(interaction: discord.Interaction, platform: str, identifier: str, label: Optional[str] = None):
    if not interaction.guild_id or not interaction.channel_id:
        await interaction.response.send_message("Use this command inside a server channel.", ephemeral=True)
        return
    platform = platform.strip().lower()
    aliases = {"xbox": "xbl", "playstation": "psn", "epicgames": "epic"}
    platform = aliases.get(platform, platform)
    if platform not in {"steam", "epic", "xbl", "psn"}:
        await interaction.response.send_message("Platform must be `steam`, `epic`, `xbl`, or `psn`.", ephemeral=True)
        return

    await interaction.response.defer(ephemeral=True)
    row_id = store.add_player(interaction.guild_id, label or identifier, platform, identifier.strip(), interaction.channel_id)
    row = store.get_player(interaction.guild_id, label or identifier)
    if not row:
        # If label changed on an existing record, fetch by identifier.
        row = store.get_player(interaction.guild_id, identifier.strip())
    try:
        profile, _ = await fetch_and_store(row, seed=True)
    except TrackerError as exc:
        store.remove_player(interaction.guild_id, identifier.strip())
        await interaction.followup.send(f"Could not load that Tracker profile: `{exc}`", ephemeral=True)
        return

    await github_push("Track add")
    await interaction.followup.send(
        f"Tracking **{profile.handle}** as **{label or profile.handle}**. New activity will be posted in <#{interaction.channel_id}>. Historical sessions were seeded without alerts.",
        ephemeral=True,
    )


@tree.command(name="track_remove", description="Stop tracking a Rocket League account")
async def track_remove(interaction: discord.Interaction, player: str):
    if not interaction.guild_id:
        await interaction.response.send_message("Use this in a server.", ephemeral=True)
        return
    ok = store.remove_player(interaction.guild_id, player.strip())
    if ok:
        await github_push("Track remove")
    await interaction.response.send_message("Removed." if ok else "No matching tracked player.", ephemeral=True)


@tree.command(name="track_list", description="List Rocket League accounts tracked in this server")
async def track_list(interaction: discord.Interaction):
    if not interaction.guild_id:
        await interaction.response.send_message("Use this in a server.", ephemeral=True)
        return
    rows = store.players(interaction.guild_id)
    if not rows:
        await interaction.response.send_message("No players are being tracked yet.", ephemeral=True)
        return
    lines = []
    for r in rows:
        last = store.latest_match(r["id"])
        status = activity_label(last["collected_at"]) if last else "UNKNOWN"
        mode = last["playlist"] if last else "no session data"
        lines.append(f"• **{r['label']}** — `{r['platform']}` / `{r['identifier']}` — **{status}** — {mode}")
    await interaction.response.send_message("\n".join(lines), ephemeral=True)


@tree.command(name="rl_player", description="Show current MMRs and recent activity for a tracked player")
async def rl_player(interaction: discord.Interaction, player: str):
    if not interaction.guild_id:
        await interaction.response.send_message("Use this in a server.", ephemeral=True)
        return
    row = store.get_player(interaction.guild_id, player.strip())
    if not row:
        await interaction.response.send_message("Player not found. Use `/track_list`.", ephemeral=True)
        return
    await interaction.response.defer()
    try:
        profile, _ = await fetch_and_store(row, seed=False)
    except TrackerError as exc:
        await interaction.followup.send(f"Tracker request failed: `{exc}`")
        return
    latest = store.latest_match(row["id"])
    await interaction.followup.send(embed=profile_embed(row, profile, latest))


@tree.command(name="rl_recent", description="Show a tracked player's recent recorded matches/activity")
@app_commands.describe(count="Number of entries to show (1-10)")
async def rl_recent(interaction: discord.Interaction, player: str, count: app_commands.Range[int, 1, 10] = 5):
    if not interaction.guild_id:
        await interaction.response.send_message("Use this in a server.", ephemeral=True)
        return
    row = store.get_player(interaction.guild_id, player.strip())
    if not row:
        await interaction.response.send_message("Player not found. Use `/track_list`.", ephemeral=True)
        return
    matches = store.recent_matches(row["id"], count)
    if not matches:
        await interaction.response.send_message("No session records stored yet.")
        return
    lines = []
    for m in matches:
        mmr = "?" if m["rating"] is None else str(m["rating"])
        if m["rating_delta"] is not None:
            mmr += f" ({m['rating_delta']:+d})"
        lines.append(
            f"**{m['playlist'] or 'Unknown'}** — {m['result'] or 'activity'} — `{mmr} MMR` — "
            f"{discord_time(m['collected_at'], 'R')} ({discord_time(m['collected_at'], 't')})"
        )
    e = discord.Embed(title=f"Recent activity — {row['label']}", description="\n".join(lines), color=discord.Color.blurple())
    await interaction.response.send_message(embed=e)


@tree.command(name="rl_refresh", description="Refresh all tracked players in this server now")
async def rl_refresh(interaction: discord.Interaction):
    if not interaction.guild_id:
        await interaction.response.send_message("Use this in a server.", ephemeral=True)
        return
    await interaction.response.defer(ephemeral=True)
    rows = store.players(interaction.guild_id)
    ok = 0
    errors = []
    for row in rows:
        try:
            await fetch_and_store(row, seed=False)
            ok += 1
        except TrackerError as exc:
            errors.append(f"{row['label']}: {exc}")
    if ok:
        await github_push("Manual refresh")
    msg = f"Refreshed {ok}/{len(rows)} tracked players."
    if errors:
        msg += "\n" + "\n".join(f"• {trunc(e, 160)}" for e in errors[:5])
    await interaction.followup.send(msg, ephemeral=True)


@tree.command(name="watch_status", description="Show the most useful current matchmaking signal for a tracked player")
async def watch_status(interaction: discord.Interaction, player: str):
    if not interaction.guild_id:
        await interaction.response.send_message("Use this in a server.", ephemeral=True)
        return
    row = store.get_player(interaction.guild_id, player.strip())
    if not row:
        await interaction.response.send_message("Player not found. Use `/track_list`.", ephemeral=True)
        return
    latest = store.latest_match(row["id"])
    if not latest:
        await interaction.response.send_message("No activity has been recorded for that player yet.")
        return
    rating = "?" if latest["rating"] is None else str(latest["rating"])
    if latest["rating_delta"] is not None:
        rating += f" ({latest['rating_delta']:+d})"
    e = discord.Embed(title=f"Watch status — {row['label']}", color=discord.Color.blurple())
    e.add_field(name="Playlist", value=latest["playlist"] or "Unknown", inline=True)
    e.add_field(name="MMR", value=rating, inline=True)
    e.add_field(name="Freshness", value=activity_label(latest["collected_at"]), inline=True)
    e.add_field(name="Observed", value=f"{discord_time(latest['collected_at'],'R')}\n{discord_time(latest['collected_at'],'f')}", inline=False)
    e.add_field(name="Matchmaking signal", value=queue_window_text(latest["collected_at"]), inline=False)
    e.set_footer(text="Tracker collection times can lag and do not prove the player is currently queued.")
    await interaction.response.send_message(embed=e)


@tree.command(name="watch_hot", description="List tracked players with the freshest recent activity")
async def watch_hot(interaction: discord.Interaction):
    if not interaction.guild_id:
        await interaction.response.send_message("Use this in a server.", ephemeral=True)
        return
    entries=[]
    for row in store.players(interaction.guild_id):
        last=store.latest_match(row["id"])
        if not last:
            continue
        dt=parse_dt(last["collected_at"])
        if not dt:
            continue
        entries.append((dt,row,last))
    if not entries:
        await interaction.response.send_message("No tracked activity is stored yet.", ephemeral=True)
        return
    entries.sort(key=lambda x:x[0], reverse=True)
    lines=[]
    for _,row,last in entries[:15]:
        mmr="?" if last["rating"] is None else str(last["rating"])
        lines.append(f"**{row['label']}** — {last['playlist'] or 'Unknown'} — `{mmr} MMR` — **{activity_label(last['collected_at'])}** — {discord_time(last['collected_at'],'R')}")
    await interaction.response.send_message(embed=discord.Embed(title="Freshest tracked activity",description="\n".join(lines),color=discord.Color.blurple()))


@tree.command(name="activity_graph", description="Graph when a tracked player or all tracked players are most active")
@app_commands.describe(player="Tracked player label/handle/identifier, or leave empty to graph all tracked players", range_days="Trailing days to analyze (1-365)", style="Recommended graph style")
@app_commands.choices(style=[
    app_commands.Choice(name="Hourly bar chart (recommended)", value="bar"),
    app_commands.Choice(name="Day × hour heatmap", value="heatmap"),
])
async def activity_graph(
    interaction: discord.Interaction,
    player: Optional[str] = None,
    range_days: app_commands.Range[int, 1, 365] = 30,
    style: app_commands.Choice[str] | None = None,
):
    if not interaction.guild_id:
        await interaction.response.send_message("Use this in a server.", ephemeral=True)
        return
    await interaction.response.defer()
    since_dt = datetime.now(timezone.utc) - timedelta(days=int(range_days))

    selected_label = None
    matches = []
    tracked_count = 0

    if player and player.strip():
        row = store.get_player(interaction.guild_id, player.strip())
        if not row:
            await interaction.followup.send("Player not found. Use `/track_list`.")
            return
        selected_label = row["label"]
        matches = store.matches_since(row["id"], since_dt.isoformat())
        tracked_count = 1
    else:
        rows = store.players(interaction.guild_id)
        tracked_count = len(rows)
        if not rows:
            await interaction.followup.send("No players are being tracked yet.")
            return
        selected_label = f"All tracked players ({tracked_count})"
        for row in rows:
            matches.extend(store.matches_since(row["id"], since_dt.isoformat()))

    if not matches:
        await interaction.followup.send("No stored activity falls inside that time range yet.")
        return

    chosen_style = style.value if style else "bar"
    try:
        image_buf, stats, caption = build_activity_graph(matches, selected_label, int(range_days), chosen_style)
    except ValueError as exc:
        await interaction.followup.send(str(exc))
        return

    safe_name = selected_label.replace(' ', '_').replace('(', '').replace(')', '').replace('/', '_')
    filename = f"activity_{safe_name}_{chosen_style}.png"
    file = discord.File(image_buf, filename=filename)
    embed = discord.Embed(
        title=f"Activity graph — {selected_label}",
        description=(
            f"Observed public Tracker activity over the last **{int(range_days)} day(s)**. "
            "Use this as a tendency signal, not exact online status."
        ),
        color=discord.Color.blurple(),
    )
    embed.add_field(name="Scope", value=selected_label, inline=False)
    embed.add_field(name="Top hour (UTC)", value=f"`{stats['top_hour']:02d}:00–{(stats['top_hour'] + 1) % 24:02d}:00` • {stats['top_hour_count']} matches", inline=True)
    embed.add_field(name="Most active day", value=f"**{stats['top_day']}** • {stats['top_day_count']} matches", inline=True)
    embed.add_field(name="Top playlist", value=f"**{stats['top_playlist']}** • {stats['top_playlist_count']} matches", inline=True)
    embed.add_field(name="Observed matches", value=str(stats['match_count']), inline=True)
    embed.add_field(name="Active days", value=str(stats['active_days']), inline=True)
    embed.add_field(name="Avg / active day", value=f"{stats['avg_per_active_day']:.2f}", inline=True)
    embed.set_image(url=f"attachment://{filename}")
    embed.set_footer(text=caption)
    await interaction.followup.send(embed=embed, file=file)


@tree.command(name="github_sync", description="Manually sync the bot datasets to GitHub")
async def github_sync_cmd(interaction: discord.Interaction):
    await interaction.response.defer(ephemeral=True)
    if not github_data.enabled:
        await interaction.followup.send("GitHub persistence is disabled. Add `GHT` as a Hugging Face secret.", ephemeral=True)
        return
    ok=await github_push("Manual Discord sync")
    if ok:
        await interaction.followup.send(f"Synced datasets to `{GITHUB_DATA_REPO}`.", ephemeral=True)
    else:
        await interaction.followup.send(f"GitHub sync failed: `{trunc(github_data.last_error or 'unknown error',300)}`", ephemeral=True)


@tree.command(name="github_status", description="Show GitHub persistence status")
async def github_status_cmd(interaction: discord.Interaction):
    state="enabled" if github_data.enabled else "disabled"
    msg=(f"GitHub persistence: **{state}**\nRepo: `{GITHUB_DATA_REPO}`\nBranch: `{GITHUB_DATA_BRANCH}`\n"
         f"Last sync: {discord_time(github_data.last_sync_at,'R') if github_data.last_sync_at else 'never'}")
    if github_data.last_error:
        msg += f"\nLast error: `{trunc(github_data.last_error,300)}`"
    await interaction.response.send_message(msg, ephemeral=True)


@tasks.loop(seconds=300)
async def github_auto_sync():
    if not github_data.enabled:
        return
    ok = await github_push("Automatic safety sync")
    if ok:
        log.info("Automatic GitHub dataset sync completed")


@github_auto_sync.before_loop
async def before_github_auto_sync():
    await client.wait_until_ready()


@tasks.loop(seconds=120)
async def watcher():
    rows = store.players()
    for row in rows:
        try:
            profile, new_matches = await fetch_and_store(row, seed=False)
            if not new_matches:
                continue

            watermark_raw = store.ensure_alert_watermark(row["id"])
            watermark = parse_dt(watermark_raw)
            now = datetime.now(timezone.utc)
            filtered: list[dict[str, Any]] = []
            for match in new_matches:
                collected = parse_dt(match.get("collected_at"))
                if not collected:
                    continue
                # Grouped/aggregate Tracker rows such as "Multiple" can be backfilled later and
                # are not reliable enough for live matchmaking alerts. Keep them in history only.
                if match.get("is_grouped"):
                    continue
                if watermark and collected <= watermark:
                    continue
                if (now - collected).total_seconds() > ALERT_MAX_AGE_MINUTES * 60:
                    continue
                filtered.append(match)

            if not filtered:
                continue

            filtered.sort(key=lambda m: m.get("collected_at") or "", reverse=True)
            channel = client.get_channel(row["alert_channel_id"])
            if channel is None:
                try:
                    channel = await client.fetch_channel(row["alert_channel_id"])
                except discord.DiscordException:
                    log.warning("Could not resolve channel %s", row["alert_channel_id"])
                    continue
            sent_any = False
            for match in filtered[:3]:
                try:
                    await channel.send(embed=match_embed(row, match))
                    store.set_alert_watermark(row["id"], match.get("collected_at"))
                    sent_any = True
                except discord.DiscordException as exc:
                    log.warning("Failed sending alert for %s: %s", row["label"], exc)
            if sent_any:
                await github_push("New Tracker activity")
        except TrackerError as exc:
            log.warning("Tracker error for %s: %s", row["label"], exc)
        except Exception:
            log.exception("Unexpected watcher error for %s", row["label"])
        await asyncio.sleep(1)


@watcher.before_loop
async def before_watcher():
    await client.wait_until_ready()


# Hugging Face Docker Spaces expect an HTTP service. This tiny endpoint also gives
# you a convenient uptime/health check while the Discord bot runs in the same process.
health = FastAPI(title="Rocket Watch Health")


@health.get("/")
def root():
    return {
        "ok": True,
        "service": "rocket-watch-discord-bot",
        "discord_connected": runtime["discord_connected"],
        "discord_user": runtime["discord_user"],
        "discord_last_error": runtime["discord_last_error"],
        "discord_last_attempt": runtime["discord_last_attempt"],
        "discord_last_connected": runtime["discord_last_connected"],
        "discord_retry_seconds": runtime["discord_retry_seconds"],
        "discord_retry_max_seconds": max(10, int(os.getenv("DISCORD_RETRY_MAX_SECONDS", "30"))),
        "discord_stage": runtime["discord_stage"],
        "discord_stage_since": runtime["discord_stage_since"],
        "discord_relay_enabled": bool(DISCORD_RELAY_GATEWAY),
        "discord_relay_origin": DISCORD_RELAY_ORIGIN or None,
        "tracked_players": len(store.players()),
        "poll_seconds": POLL_SECONDS,
        "alert_max_age_minutes": ALERT_MAX_AGE_MINUTES,
        "github_persistence_enabled": github_data.enabled,
        "github_data_repo": GITHUB_DATA_REPO,
        "github_last_sync_at": github_data.last_sync_at,
        "github_auto_sync_seconds": GITHUB_AUTO_SYNC_SECONDS,
        "github_last_error": github_data.last_error,
    }


@health.get("/health")
def healthcheck():
    return {
        "ok": True,
        "http": "online",
        "discord": "connected" if runtime["discord_connected"] else "disconnected",
        "discord_last_error": runtime["discord_last_error"],
        "discord_stage": runtime["discord_stage"],
        "discord_stage_since": runtime["discord_stage_since"],
    }


def set_discord_stage(stage: str) -> None:
    runtime["discord_stage"] = stage
    runtime["discord_stage_since"] = utc_now_iso()


@health.get("/debug/discord")
async def debug_discord():
    """Test both direct Discord and the configured Deno relay without a token."""

    async def probe(label: str, url: str):
        started = time.monotonic()
        try:
            timeout = aiohttp.ClientTimeout(total=10, connect=5, sock_connect=5, sock_read=5)
            async with aiohttp.ClientSession(timeout=timeout) as session:
                async with session.get(url) as resp:
                    body = await resp.text()
                    return {
                        "label": label,
                        "url": url.replace(DISCORD_RELAY_SECRET, "***") if DISCORD_RELAY_SECRET else url,
                        "status": resp.status,
                        "body": body[:300],
                        "elapsed_ms": round((time.monotonic() - started) * 1000),
                    }
        except Exception as exc:
            return {
                "label": label,
                "url": url.replace(DISCORD_RELAY_SECRET, "***") if DISCORD_RELAY_SECRET else url,
                "error": f"{type(exc).__name__}: {exc}",
                "elapsed_ms": round((time.monotonic() - started) * 1000),
            }

    dns = None
    try:
        infos = await asyncio.wait_for(
            asyncio.get_running_loop().run_in_executor(
                None, lambda: socket.getaddrinfo("discord.com", 443, type=socket.SOCK_STREAM)
            ),
            timeout=5,
        )
        dns = sorted({item[4][0] for item in infos})[:6]
    except Exception as exc:
        dns = f"{type(exc).__name__}: {exc}"

    result = {
        "discord_dns": dns,
        "direct": await probe("direct", "https://discord.com/api/v10/gateway"),
        "relay_enabled": bool(DISCORD_RELAY_GATEWAY),
    }
    if DISCORD_RELAY_GATEWAY:
        relay_url = f"{DISCORD_RELAY_ORIGIN}/p/{DISCORD_RELAY_SECRET}/api/v10/gateway"
        result["relay"] = await probe("deno-relay", relay_url)
    return result


async def sync_commands():
    """Sync slash commands after Discord is actually connected."""
    try:
        if GUILD_ID:
            guild = discord.Object(id=int(GUILD_ID))
            tree.copy_global_to(guild=guild)
            synced = await tree.sync(guild=guild)
            log.info("Synced %d slash commands to guild %s", len(synced), GUILD_ID)
        else:
            synced = await tree.sync()
            log.info("Synced %d global slash commands", len(synced))
    except Exception:
        log.exception("Slash-command sync failed")


def rebuild_discord_client() -> None:
    """Replace the Discord client with a brand-new HTTP/WebSocket stack.

    discord.py can close its internal aiohttp session after a failed login.
    Client.clear() resets cache/state but does not make that closed session usable
    again, so retries must use a fresh Client instance.
    """
    global client, tree

    # Preserve the application-command objects already registered on the current
    # tree, then attach them to a fresh tree/client.
    commands = list(tree.get_commands())

    new_client = discord.Client(intents=intents)
    new_tree = app_commands.CommandTree(new_client)
    for command in commands:
        new_tree.add_command(command)

    # Re-register event callbacks on the new Client. The callbacks intentionally
    # reference the module-level `client`, which is rebound below.
    new_client.event(on_ready)
    new_client.event(on_disconnect)

    client = new_client
    tree = new_tree


async def discord_supervisor():
    """Keep Discord failures isolated from the Hugging Face HTTP service.

    The Space listens only on $PORT (7860 by default). Discord uses outbound
    HTTPS/WSS and therefore does not need another local listening port. Every
    retry uses a completely fresh discord.Client so a failed aiohttp session
    cannot poison future attempts.
    """
    delay = 3
    # Keep recovery quick. discord.py's own reconnect loop can grow to very long
    # waits after repeated relay 503s, so this supervisor owns reconnects instead.
    max_delay = max(10, int(os.getenv("DISCORD_RETRY_MAX_SECONDS", "30")))
    first_attempt = True

    while True:
        runtime["discord_last_attempt"] = utc_now_iso()
        runtime["discord_retry_seconds"] = None

        if not first_attempt:
            rebuild_discord_client()
        first_attempt = False

        connect_task = None
        try:
            log.info("Connecting to Discord with a fresh client...")

            set_discord_stage("rest_login")
            await asyncio.wait_for(
                client.login(DISCORD_BOT_TOKEN),
                timeout=DISCORD_LOGIN_TIMEOUT,
            )
            log.info("Discord REST login succeeded as %s", client.user)

            set_discord_stage("command_sync")
            await asyncio.wait_for(sync_commands(), timeout=20)

            # client.connect() is intentionally long-running. Start it separately,
            # then require READY within a bounded amount of time. This distinguishes
            # a successful REST login from a Gateway/WebSocket failure.
            set_discord_stage("gateway_connect")
            # Important: do NOT let discord.py own the reconnect loop here. Its
            # exponential backoff can grow to many minutes if the relay returns
            # repeated 503s after a Deno Deploy eviction. A single gateway failure
            # should return control to this supervisor so it can rebuild the entire
            # Client/HTTP session and retry with a small capped delay.
            connect_task = asyncio.create_task(client.connect(reconnect=False), name="discord-gateway")
            await asyncio.wait_for(client.wait_until_ready(), timeout=DISCORD_READY_TIMEOUT)
            set_discord_stage("connected")
            log.info("Discord gateway is READY")
            delay = 3

            # Stay attached until the gateway closes. With reconnect=False this
            # returns/raises immediately on a broken relay connection instead of
            # entering discord.py's long internal backoff loop.
            await connect_task

            runtime["discord_connected"] = False
            runtime["discord_last_error"] = "Discord connection closed"
            set_discord_stage("disconnected")
            delay = 3
        except asyncio.CancelledError:
            try:
                if not client.is_closed():
                    await client.close()
            finally:
                raise
        except asyncio.TimeoutError:
            stage = runtime.get("discord_stage") or "unknown"
            timeout_used = DISCORD_LOGIN_TIMEOUT if stage == "rest_login" else DISCORD_READY_TIMEOUT
            runtime["discord_connected"] = False
            runtime["discord_last_error"] = f"Timeout while in {stage} after {timeout_used}s"
            log.error("Discord timed out during %s after %ss", stage, timeout_used)
        except discord.LoginFailure as exc:
            runtime["discord_connected"] = False
            runtime["discord_last_error"] = f"Login failure: {exc}"
            delay = 300
            log.error("Discord rejected the bot token: %s", exc)
        except Exception as exc:
            runtime["discord_connected"] = False
            runtime["discord_last_error"] = f"{type(exc).__name__}: {exc}"
            log.exception("Discord connection attempt failed")

        # Best-effort cleanup. We never reuse this instance after a failure.
        if connect_task is not None and not connect_task.done():
            connect_task.cancel()
            try:
                await connect_task
            except (asyncio.CancelledError, Exception):
                pass
        try:
            if not client.is_closed():
                await client.close()
        except Exception:
            log.debug("Discord client cleanup failed", exc_info=True)

        runtime["discord_retry_seconds"] = delay
        set_discord_stage("retry_wait")
        log.warning("Discord unavailable; retrying with a fresh client in %ss", delay)
        await asyncio.sleep(delay)
        delay = min(delay * 2, max_delay)


async def main():
    if not DISCORD_BOT_TOKEN:
        raise RuntimeError(
            "DISCORD_BOT_TOKEN is not set. Add it as a Hugging Face Space secret or environment variable."
        )

    if github_data.enabled:
        try:
            await asyncio.to_thread(github_data.ensure_files)
            restored = await asyncio.to_thread(github_data.restore_into, store)
            log.info("Restored %s players and %s activity records from GitHub", restored["players"], restored["matches"])
            await github_push("Startup reconciliation")
        except Exception as exc:
            github_data.last_error = f"{type(exc).__name__}: {exc}"
            log.warning("GitHub startup restore failed: %s", exc)

    # Hugging Face exposes one HTTP port. Uvicorn owns that port; Discord runs as
    # an outbound background connection and never binds a local port.
    port = int(os.getenv("PORT", "7860"))
    config = uvicorn.Config(
        health,
        host="0.0.0.0",
        port=port,
        log_level=os.getenv("UVICORN_LOG_LEVEL", "info").lower(),
        lifespan="on",
    )
    server = uvicorn.Server(config)

    discord_task = asyncio.create_task(discord_supervisor(), name="discord-supervisor")
    try:
        await server.serve()
    finally:
        discord_task.cancel()
        try:
            await discord_task
        except asyncio.CancelledError:
            pass
        if not client.is_closed():
            await client.close()


if __name__ == "__main__":
    asyncio.run(main())