"""
Weibo-HotSign 定时任务调度器 (APScheduler)

启动时从 DB 加载所有 enabled 的 Task，按 cron 精确注册。
每 5 分钟重新同步一次 DB（处理新增/删除/修改的任务）。
签到逻辑直接操作数据库和微博 API，不依赖其他服务。
"""

import os
import sys
import re
import asyncio
import logging
import signal
import time as _time
from datetime import datetime, timedelta

from apscheduler.schedulers.background import BackgroundScheduler
from apscheduler.triggers.cron import CronTrigger
from apscheduler.triggers.interval import IntervalTrigger
from apscheduler.jobstores.memory import MemoryJobStore

# 确保 shared 模块可导入
sys.path.insert(0, os.path.join(os.path.dirname(__file__), "../.."))

from shared.config import shared_settings

logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
    datefmt="%Y-%m-%d %H:%M:%S",
)
logger = logging.getLogger("scheduler")

scheduler = BackgroundScheduler(
    jobstores={"default": MemoryJobStore()},
    timezone="Asia/Shanghai",
)

# 已注册的任务 ID 集合，用于同步时对比
_registered_tasks: dict = {}  # task_id -> cron_expression

# 日志保留天数
SIGNIN_LOG_RETAIN_DAYS = int(os.getenv("SIGNIN_LOG_RETAIN_DAYS", "30"))
CLEANUP_BATCH_SIZE = 1000

# Webhook 推送地址和时间（从 DB 加载，env 作为 fallback）
WEBHOOK_URL = os.getenv("WEBHOOK_URL", "")
DAILY_REPORT_HOUR = int(os.getenv("DAILY_REPORT_HOUR", "23"))
DAILY_REPORT_MINUTE = int(os.getenv("DAILY_REPORT_MINUTE", "30"))

# Redis 订阅线程是否运行
_redis_listener_running = False

WEIBO_HEADERS = {
    "User-Agent": (
        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 "
        "(KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
    ),
    "Referer": "https://weibo.com/",
    "Accept": "*/*",
    "Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",
}


def _make_session():
    """每次创建独立的 engine + session，避免 event loop 冲突。"""
    from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
    from sqlalchemy.orm import sessionmaker

    kwargs = {"echo": False}
    if "sqlite" not in shared_settings.DATABASE_URL:
        kwargs.update(pool_size=5, max_overflow=10, pool_pre_ping=True)
    eng = create_async_engine(shared_settings.DATABASE_URL, **kwargs)
    factory = sessionmaker(eng, class_=AsyncSession, expire_on_commit=False)
    return factory, eng


def _run_async(coro):
    """在新 event loop 中运行 async 函数。"""
    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
    try:
        return loop.run_until_complete(coro)
    finally:
        loop.close()


def _parse_cookies(cookie_str: str) -> dict:
    cookies = {}
    for pair in cookie_str.split(";"):
        pair = pair.strip()
        if "=" in pair:
            k, v = pair.split("=", 1)
            cookies[k.strip()] = v.strip()
    return cookies


# =============== 任务同步 ===============

def load_config_from_db():
    """从 DB 加载系统配置，更新全局变量并重新调度日报任务。"""
    global WEBHOOK_URL, DAILY_REPORT_HOUR, DAILY_REPORT_MINUTE
    try:
        config = _run_async(_fetch_config())
        new_url = config.get("webhook_url", WEBHOOK_URL)
        new_hour = int(config.get("daily_report_hour", DAILY_REPORT_HOUR))
        new_minute = int(config.get("daily_report_minute", DAILY_REPORT_MINUTE))

        changed = (new_url != WEBHOOK_URL or new_hour != DAILY_REPORT_HOUR or new_minute != DAILY_REPORT_MINUTE)
        WEBHOOK_URL = new_url
        DAILY_REPORT_HOUR = new_hour
        DAILY_REPORT_MINUTE = new_minute

        if changed and scheduler.running:
            # 重新调度日报任务
            try:
                scheduler.remove_job("daily_report")
            except Exception:
                pass
            if WEBHOOK_URL:
                scheduler.add_job(
                    send_daily_report,
                    trigger=CronTrigger(hour=DAILY_REPORT_HOUR, minute=DAILY_REPORT_MINUTE, timezone="Asia/Shanghai"),
                    id="daily_report",
                    replace_existing=True,
                    misfire_grace_time=3600,
                )
                logger.info(f"📊 日报任务已更新: {DAILY_REPORT_HOUR:02d}:{DAILY_REPORT_MINUTE:02d}")
            else:
                logger.info("📊 Webhook 为空，日报任务已移除")

        logger.info(f"⚙️ 配置加载完成: webhook={'已配置' if WEBHOOK_URL else '未配置'}, 推送时间={DAILY_REPORT_HOUR:02d}:{DAILY_REPORT_MINUTE:02d}")
    except Exception as e:
        logger.warning(f"从 DB 加载配置失败，使用默认值: {e}")


async def _fetch_config() -> dict:
    from sqlalchemy import select
    from shared.models.system_config import SystemConfig

    SessionFactory, eng = _make_session()
    try:
        async with SessionFactory() as session:
            result = await session.execute(select(SystemConfig))
            return {r.key: r.value for r in result.scalars().all()}
    finally:
        await eng.dispose()


def sync_db_tasks():
    """从 DB 同步任务到 APScheduler。新增的加上，删除的移除，cron 变了的更新。"""
    try:
        tasks = _run_async(_load_tasks_from_db())
    except Exception as e:
        logger.error(f"同步任务失败: {e}")
        return

    db_task_ids = set()
    for task_id, account_id, cron_expr in tasks:
        db_task_ids.add(task_id)
        job_id = f"signin_{task_id}"

        # 已存在且 cron 没变 → 跳过
        if task_id in _registered_tasks and _registered_tasks[task_id] == cron_expr:
            continue

        # 新增或 cron 变了 → 添加/替换
        try:
            parts = cron_expr.split()
            if len(parts) != 5:
                logger.warning(f"无效 cron: task={task_id}, expr={cron_expr}")
                continue

            # 提前 1 分钟触发，用于预加载超话列表，到整点再发签到请求
            orig_minute = parts[0]
            orig_hour = parts[1]
            try:
                m = int(orig_minute)
                h = int(orig_hour) if orig_hour != "*" else None
                if m == 0:
                    early_minute = "59"
                    early_hour = str(h - 1) if h is not None and h > 0 else "23" if h == 0 else "*"
                else:
                    early_minute = str(m - 1)
                    early_hour = orig_hour
            except (ValueError, TypeError):
                # 复杂 cron 表达式（如 */5），不做提前
                early_minute = orig_minute
                early_hour = orig_hour

            trigger = CronTrigger(
                minute=early_minute, hour=early_hour,
                day=parts[2], month=parts[3], day_of_week=parts[4],
                timezone="Asia/Shanghai",
            )
            scheduler.add_job(
                run_signin,
                trigger=trigger,
                id=job_id,
                args=[task_id, account_id, cron_expr],
                replace_existing=True,
                misfire_grace_time=300,
            )
            _registered_tasks[task_id] = cron_expr
            actual_cron = f"{early_minute} {early_hour} {parts[2]} {parts[3]} {parts[4]}"
            logger.info(f"✅ 注册任务: task={task_id}, account={account_id}, 用户cron={cron_expr}, 实际触发={actual_cron}")
        except Exception as e:
            logger.error(f"注册任务失败: task={task_id}, error={e}")

    # 移除 DB 中已删除/禁用的任务
    removed = set(_registered_tasks.keys()) - db_task_ids
    for task_id in removed:
        job_id = f"signin_{task_id}"
        try:
            scheduler.remove_job(job_id)
            logger.info(f"🗑️ 移除任务: task={task_id}")
        except Exception:
            pass
        _registered_tasks.pop(task_id, None)

    logger.info(f"📋 任务同步完成: 活跃 {len(db_task_ids)} 个, 已注册 {len(_registered_tasks)} 个")


async def _load_tasks_from_db():
    """从 DB 读取所有 enabled 且账号 active/pending 的任务。"""
    from sqlalchemy import select
    from shared.models.task import Task
    from shared.models.account import Account

    SessionFactory, eng = _make_session()
    try:
        async with SessionFactory() as session:
            stmt = (
                select(Task.id, Task.account_id, Task.cron_expression)
                .join(Account, Task.account_id == Account.id)
                .where(Task.is_enabled == True)
                .where(Account.status.in_(["pending", "active"]))
            )
            result = await session.execute(stmt)
            return [(str(r[0]), str(r[1]), r[2]) for r in result.all()]
    finally:
        await eng.dispose()


# =============== 签到入口 ===============

def run_signin(task_id: str, account_id: str, cron_expr: str = ""):
    """APScheduler 调用的签到入口（同步函数，内部跑 async）。"""
    logger.info(f"🎯 开始签到: task={task_id}, account={account_id}, cron={cron_expr}")
    start = _time.time()
    try:
        result = _run_async(asyncio.wait_for(_async_do_signin(account_id, cron_expr), timeout=300))
        elapsed = _time.time() - start
        result["elapsed_seconds"] = round(elapsed, 1)
        logger.info(f"✅ 签到完成: task={task_id}, 耗时={elapsed:.1f}s, result={result}")
        # 签到完成后立即推送通知
        _push_signin_result(account_id, result, elapsed)
    except asyncio.TimeoutError:
        elapsed = _time.time() - start
        logger.error(f"⏰ 签到超时(5分钟): task={task_id}, account={account_id}")
        _push_signin_result(account_id, {"status": "timeout"}, elapsed)
    except Exception as e:
        elapsed = _time.time() - start
        logger.error(f"❌ 签到失败: task={task_id}, error={e}")
        _push_signin_result(account_id, {"status": "error", "reason": str(e)}, elapsed)


def _push_signin_result(account_id: str, result: dict, elapsed: float):
    """签到完成后立即推送结果到 Webhook。"""
    if not WEBHOOK_URL:
        return
    try:
        # 获取账号备注名
        remark = _run_async(_get_account_remark(account_id)) or account_id[:8]

        status = result.get("status", "")
        if status == "timeout":
            lines = [f"⏰ {remark} 签到超时 ({elapsed:.1f}s)"]
        elif status == "error":
            lines = [f"❌ {remark} 签到异常: {result.get('reason', '未知')}"]
        else:
            signed = result.get("signed", 0)
            already = result.get("already_signed", 0)
            failed = result.get("failed", 0)
            total = result.get("total", 0)
            details = result.get("details", [])

            lines = [
                f"🎯 {remark} 签到完成",
                f"⏱ 耗时: {elapsed:.1f}s | 超话: {total} 个",
                f"✅ 成功: {signed}  📌 已签: {already}  ❌ 失败: {failed}",
            ]

            # 签到名次明细
            if details:
                lines.append("")
                for d in details:
                    topic = d.get("topic", "")
                    msg = d.get("message", "")
                    st = d.get("status", "")
                    icon = "✅" if st == "success" else "📌" if st == "already_signed" else "❌"
                    lines.append(f"  {icon} {topic}: {msg}")

        _send_webhook("\n".join(lines))
    except Exception as e:
        logger.warning(f"推送签到结果失败: {e}")


async def _get_account_remark(account_id: str) -> str:
    from sqlalchemy import select
    from shared.models.account import Account

    SessionFactory, eng = _make_session()
    try:
        async with SessionFactory() as session:
            result = await session.execute(
                select(Account.remark, Account.weibo_user_id).where(Account.id == account_id)
            )
            row = result.first()
            return (row[0] or row[1]) if row else ""
    finally:
        await eng.dispose()


async def _async_do_signin(account_id: str, cron_expr: str = ""):
    """
    执行单个账号的全量超话签到。
    流程：提前 1 分钟触发 → 预加载超话列表 + XSRF → 等到目标整点 → 快速签到
    """
    import httpx
    from sqlalchemy import select
    from shared.models.account import Account
    from shared.models.signin_log import SigninLog
    from shared.crypto import decrypt_cookie, derive_key

    # 计算目标签到时间（用户设定的 cron 对应的时间点）
    target_time = None
    if cron_expr:
        try:
            from croniter import croniter
            # 从当前时间往后算下一个 cron 触发点（因为我们提前了 1 分钟）
            now = datetime.now()
            cron = croniter(cron_expr, now)
            target_time = cron.get_next(datetime)
            # 如果下次触发超过 2 分钟，说明计算有误，忽略
            if (target_time - now).total_seconds() > 120:
                target_time = None
        except Exception:
            target_time = None

    # ---- 阶段 1: 短事务读取账号信息 ----
    SessionFactory, eng = _make_session()
    try:
        async with SessionFactory() as session:
            result = await session.execute(select(Account).where(Account.id == account_id))
            account = result.scalar_one_or_none()
            if not account:
                return {"status": "error", "reason": "account not found"}
            if account.status not in ("pending", "active"):
                return {"status": "skipped", "reason": f"status={account.status}"}

            key = derive_key(shared_settings.COOKIE_ENCRYPTION_KEY)
            try:
                cookie_str = decrypt_cookie(account.encrypted_cookies, account.iv, key)
            except Exception:
                account.status = "invalid_cookie"
                await session.commit()
                return {"status": "failed", "reason": "cookie decryption failed"}

            acc_id = str(account.id)
            acc_selected_topics = account.selected_topics  # 用户选择的超话列表
    except Exception as e:
        await eng.dispose()
        raise e

    cookies = _parse_cookies(cookie_str)

    # ---- 阶段 2: 预加载超话列表 + XSRF token ----
    try:
        topics = await _fetch_topics(cookies)
        if not topics:
            async with SessionFactory() as session:
                result = await session.execute(select(Account).where(Account.id == acc_id))
                acc = result.scalar_one_or_none()
                if acc:
                    acc.last_checked_at = datetime.now()
                    await session.commit()
            return {"status": "completed", "signed": 0, "message": "no topics"}

        # 如果用户选择了特定超话，只签选中的
        if acc_selected_topics and isinstance(acc_selected_topics, list):
            selected_cids = {t.get("containerid") for t in acc_selected_topics if t.get("containerid")}
            if selected_cids:
                topics = [t for t in topics if t["containerid"] in selected_cids]
                logger.info(f"📌 按用户选择过滤: {len(topics)} 个超话 (共 {len(selected_cids)} 个已选)")

        if not topics:
            return {"status": "completed", "signed": 0, "message": "no selected topics"}

        signed = already = failed = 0
        log_entries = []

        async with httpx.AsyncClient(timeout=15, follow_redirects=True) as client:
            # 预获取 XSRF token
            await client.get("https://weibo.com/", headers=WEIBO_HEADERS, cookies=cookies)
            xsrf = client.cookies.get("XSRF-TOKEN", "")

            logger.info(f"📦 预加载完成: account={account_id}, topics={len(topics)}, xsrf={'有' if xsrf else '无'}")

            # ---- 等到目标时间再开始签到 ----
            if target_time:
                wait_seconds = (target_time - datetime.now()).total_seconds()
                if 0 < wait_seconds <= 90:
                    logger.info(f"⏳ 等待 {wait_seconds:.1f} 秒到目标时间 {target_time.strftime('%H:%M:%S')}")
                    await asyncio.sleep(wait_seconds)

            # ---- 快速签到（间隔 0.5 秒） ----
            for topic in topics:
                r = await _do_single_signin(client, cookies, topic, xsrf)
                if r["status"] == "success":
                    s, signed = "success", signed + 1
                elif r["status"] == "already_signed":
                    s, already = "failed_already_signed", already + 1
                else:
                    s, failed = "failed_network", failed + 1

                log_entries.append(SigninLog(
                    account_id=acc_id, topic_title=topic["title"],
                    status=s, reward_info={"message": r["message"]},
                    signed_at=datetime.now(),
                ))
                await asyncio.sleep(0.5)

        # ---- 阶段 3: 短事务写日志 + 更新状态 ----
        async with SessionFactory() as session:
            for log in log_entries:
                session.add(log)
            result = await session.execute(select(Account).where(Account.id == acc_id))
            acc = result.scalar_one_or_none()
            if acc:
                acc.last_checked_at = datetime.now()
                if acc.status != "active":
                    acc.status = "active"
            await session.commit()

        logger.info(
            f"签到结果: account={account_id}, "
            f"signed={signed}, already={already}, failed={failed}"
        )
        return {
            "signed": signed, "already_signed": already, "failed": failed,
            "total": len(topics),
            "details": [
                {"topic": e.topic_title, "status": e.status,
                 "message": (e.reward_info or {}).get("message", "")}
                for e in log_entries
            ],
        }

    except Exception as e:
        logger.error(f"签到过程异常: account={account_id}, error={e}")
        return {"status": "error", "reason": str(e)}
    finally:
        await eng.dispose()


async def _fetch_topics(cookies: dict) -> list:
    """
    获取关注的超话列表。
    带重试机制：微博凌晨可能触发风控（302 到通行证验证页），重试 2 次。
    返回空列表表示获取失败（Cookie 失效或风控）。
    """
    import httpx

    max_retries = 3
    for attempt in range(max_retries):
        topics = []
        try:
            # 不自动跟随重定向，手动检测 302
            async with httpx.AsyncClient(timeout=15, follow_redirects=False) as client:
                resp = await client.get("https://weibo.com/", headers=WEIBO_HEADERS, cookies=cookies)

                # 302 重定向到登录页 = Cookie 失效或风控
                if resp.status_code in (301, 302):
                    location = resp.headers.get("location", "")
                    if "login.sina.com.cn" in location or "passport" in location:
                        if attempt < max_retries - 1:
                            wait = (attempt + 1) * 3
                            logger.warning(f"被重定向到登录页(尝试 {attempt+1}/{max_retries})，{wait}秒后重试...")
                            await asyncio.sleep(wait)
                            continue
                        else:
                            logger.warning(f"多次重试仍被重定向，Cookie 可能已失效")
                            return []

                    # 其他 302（如 weibo.com → www.weibo.com），跟随一次
                    resp = await client.get(location, headers=WEIBO_HEADERS, cookies=cookies)

                xsrf = ""
                for c in resp.cookies.jar:
                    if c.name == "XSRF-TOKEN":
                        xsrf = c.value
                        break

                headers = {**WEIBO_HEADERS, "X-Requested-With": "XMLHttpRequest"}
                if xsrf:
                    headers["X-XSRF-TOKEN"] = xsrf

                page = 1
                while page <= 10:
                    resp = await client.get(
                        "https://weibo.com/ajax/profile/topicContent",
                        params={"tabid": "231093_-_chaohua", "page": str(page)},
                        headers=headers, cookies=cookies,
                    )

                    # 超话接口也可能被 302
                    if resp.status_code in (301, 302):
                        if attempt < max_retries - 1:
                            wait = (attempt + 1) * 3
                            logger.warning(f"超话接口被重定向(尝试 {attempt+1}/{max_retries})，{wait}秒后重试...")
                            await asyncio.sleep(wait)
                            break  # break inner loop, retry outer
                        else:
                            logger.warning("超话接口多次重定向，放弃")
                            return []

                    try:
                        data = resp.json()
                    except Exception:
                        logger.warning(f"超话列表响应非 JSON: {resp.text[:200]}")
                        break
                    if data.get("ok") != 1:
                        break
                    tlist = data.get("data", {}).get("list", [])
                    if not tlist:
                        break
                    for item in tlist:
                        title = item.get("topic_name", "") or item.get("title", "")
                        cid = ""
                        for field in ("oid", "scheme"):
                            m = re.search(r"100808[0-9a-fA-F]+", item.get(field, ""))
                            if m:
                                cid = m.group(0)
                                break
                        if title and cid:
                            topics.append({"title": title, "containerid": cid})
                    if page >= data.get("data", {}).get("max_page", 1):
                        break
                    page += 1
                else:
                    # while 正常结束（没有 break），说明成功
                    if topics:
                        return topics

                # 如果有 topics 说明成功了
                if topics:
                    return topics

        except Exception as e:
            logger.error(f"获取超话列表失败(尝试 {attempt+1}/{max_retries}): {e}")
            if attempt < max_retries - 1:
                await asyncio.sleep(3)

    return topics


async def _do_single_signin(client, cookies: dict, topic: dict, xsrf: str) -> dict:
    """签到单个超话（复用已有的 httpx client 和 xsrf token）。"""
    try:
        h = {
            **WEIBO_HEADERS,
            "Referer": f"https://weibo.com/p/{topic['containerid']}/super_index",
            "X-Requested-With": "XMLHttpRequest",
        }
        if xsrf:
            h["X-XSRF-TOKEN"] = xsrf

        resp = await client.get(
            "https://weibo.com/p/aj/general/button",
            params={
                "ajwvr": "6",
                "api": "http://i.huati.weibo.com/aj/super/checkin",
                "texta": "签到", "textb": "已签到",
                "status": "0",
                "id": topic["containerid"],
                "location": "page_100808_super_index",
                "timezone": "GMT+0800",
                "lang": "zh-cn",
                "plat": "Win32",
                "ua": WEIBO_HEADERS["User-Agent"],
                "screen": "1920*1080",
                "__rnd": str(int(_time.time() * 1000)),
            },
            headers=h, cookies=cookies,
        )
        try:
            data = resp.json()
        except Exception:
            return {"status": "failed", "message": f"非JSON响应: {resp.text[:100]}"}

        code = str(data.get("code", ""))
        msg = data.get("msg", "")

        if code == "100000":
            tip = ""
            if isinstance(data.get("data"), dict):
                tip = data["data"].get("alert_title", "") or data["data"].get("tipMessage", "")
            return {"status": "success", "message": tip or "签到成功"}
        elif code == "382004":
            return {"status": "already_signed", "message": msg or f"今天已签到({code})"}
        else:
            return {"status": "failed", "message": f"code={code}, msg={msg}"}
    except Exception as e:
        return {"status": "failed", "message": str(e)}


# =============== Webhook 每日报告 ===============

def send_daily_report():
    """每日签到结果 + 账号状态汇总，推送到 Webhook。"""
    if not WEBHOOK_URL:
        logger.info("⚠️ WEBHOOK_URL 未配置，跳过每日报告推送")
        return
    logger.info("📊 开始生成每日报告...")
    try:
        report = _run_async(_build_daily_report())
        _send_webhook(report)
        logger.info("✅ 每日报告推送成功")
    except Exception as e:
        logger.error(f"❌ 每日报告推送失败: {e}")


async def _build_daily_report() -> str:
    """从 DB 汇总今日签到数据和账号状态。"""
    from sqlalchemy import select, func as sa_func
    from shared.models.account import Account
    from shared.models.signin_log import SigninLog
    from shared.models.user import User

    today_start = datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
    now = datetime.now()

    SessionFactory, eng = _make_session()
    try:
        async with SessionFactory() as session:
            # 1. 账号总览
            acc_status = await session.execute(
                select(Account.status, sa_func.count())
                .group_by(Account.status)
            )
            status_map = {row[0]: row[1] for row in acc_status.all()}
            total_accounts = sum(status_map.values())
            active = status_map.get("active", 0)
            pending = status_map.get("pending", 0)
            invalid = status_map.get("invalid_cookie", 0)

            # 2. 今日签到统计
            log_stats = await session.execute(
                select(SigninLog.status, sa_func.count())
                .where(SigninLog.signed_at >= today_start)
                .group_by(SigninLog.status)
            )
            log_map = {row[0]: row[1] for row in log_stats.all()}
            success = log_map.get("success", 0)
            already = log_map.get("failed_already_signed", 0)
            failed_net = log_map.get("failed_network", 0)
            total_logs = sum(log_map.values())

            # 3. 今日各账号签到明细（含名次）
            detail_rows = await session.execute(
                select(
                    Account.remark,
                    Account.weibo_user_id,
                    SigninLog.status,
                    sa_func.count(),
                )
                .join(Account, SigninLog.account_id == Account.id)
                .where(SigninLog.signed_at >= today_start)
                .group_by(Account.id, Account.remark, Account.weibo_user_id, SigninLog.status)
                .order_by(Account.remark)
            )
            # 按账号聚合
            account_details = {}
            for remark, uid, st, cnt in detail_rows.all():
                name = remark or uid
                if name not in account_details:
                    account_details[name] = {"success": 0, "already": 0, "failed": 0}
                if st == "success":
                    account_details[name]["success"] += cnt
                elif st == "failed_already_signed":
                    account_details[name]["already"] += cnt
                else:
                    account_details[name]["failed"] += cnt

            # 5. 今日签到名次明细（从 reward_info 提取）
            rank_rows = await session.execute(
                select(
                    Account.remark, Account.weibo_user_id,
                    SigninLog.topic_title, SigninLog.reward_info,
                )
                .join(Account, SigninLog.account_id == Account.id)
                .where(SigninLog.signed_at >= today_start)
                .where(SigninLog.status == "success")
                .order_by(Account.remark, SigninLog.signed_at)
            )
            rank_details = []
            for remark, uid, topic, reward in rank_rows.all():
                name = remark or uid
                msg = ""
                if isinstance(reward, dict):
                    msg = reward.get("message", "")
                elif isinstance(reward, str):
                    msg = reward
                if msg:
                    rank_details.append({"name": name, "topic": topic, "message": msg})

            # 4. Cookie 即将失效的账号（超过 3 天未检查）
            stale_cutoff = now - timedelta(days=3)
            stale_result = await session.execute(
                select(Account.remark, Account.weibo_user_id, Account.last_checked_at)
                .where(Account.status == "active")
                .where(
                    (Account.last_checked_at < stale_cutoff) | (Account.last_checked_at == None)
                )
            )
            stale_accounts = [
                (row[0] or row[1], row[2].strftime("%m-%d %H:%M") if row[2] else "从未")
                for row in stale_result.all()
            ]

    finally:
        await eng.dispose()

    # 组装报告
    lines = [
        "📊 微博超话签到日报",
        f"⏰ {now.strftime('%Y-%m-%d %H:%M')}",
        "━━━━━━━━━━━━━━━━━━",
        "",
        "📱 账号状态",
        f"  总计: {total_accounts} 个",
        f"  ✅ 正常: {active}  ⏳ 待验证: {pending}  ❌ 失效: {invalid}",
    ]

    if invalid > 0:
        lines.append(f"  ⚠️ 有 {invalid} 个账号 Cookie 已失效，请及时更新")

    lines += [
        "",
        "🎯 今日签到",
        f"  总计: {total_logs} 条记录",
        f"  ✅ 成功: {success}  📌 已签: {already}  ❌ 失败: {failed_net}",
    ]

    if account_details:
        lines += ["", "📋 账号明细"]
        for name, d in account_details.items():
            lines.append(f"  {name}: ✅{d['success']} 📌{d['already']} ❌{d['failed']}")

    if rank_details:
        lines += ["", "🏆 签到名次"]
        for r in rank_details:
            lines.append(f"  {r['name']} - {r['topic']}: {r['message']}")

    if stale_accounts:
        lines += ["", "⚠️ 需要关注"]
        for name, last in stale_accounts:
            lines.append(f"  {name} (上次检查: {last})")

    if total_logs == 0:
        lines += ["", "💤 今日暂无签到记录"]

    return "\n".join(lines)


def _send_webhook(content: str):
    """发送消息到 Webhook（自动适配企业微信/钉钉/飞书格式）。"""
    import httpx

    url = WEBHOOK_URL
    if not url:
        return

    # 根据 URL 特征判断平台
    if "qyapi.weixin.qq.com" in url:
        # 企业微信
        payload = {"msgtype": "markdown", "markdown": {"content": content}}
    elif "oapi.dingtalk.com" in url:
        # 钉钉
        payload = {"msgtype": "markdown", "markdown": {"title": "签到日报", "text": content}}
    elif "open.feishu.cn" in url:
        # 飞书自定义机器人 - 使用富文本消息
        # 将 Markdown 转为纯文本（飞书 text 类型不支持 Markdown）
        plain = content.replace("## ", "").replace("### ", "\n").replace("**", "").replace("> ", "")
        payload = {"msg_type": "text", "content": {"text": plain}}
    else:
        # 通用 JSON（兼容自定义 Webhook）
        payload = {"text": content, "markdown": content}

    resp = httpx.post(url, json=payload, timeout=15)
    if resp.status_code != 200:
        logger.warning(f"Webhook 响应异常: status={resp.status_code}, body={resp.text[:200]}")
    else:
        resp_data = resp.json() if resp.headers.get("content-type", "").startswith("application/json") else {}
        if resp_data.get("code", 0) != 0 and resp_data.get("StatusCode", 0) != 0:
            logger.warning(f"Webhook 业务异常: {resp.text[:300]}")


# =============== 日志清理 ===============

def cleanup_old_signin_logs():
    """清理超过 N 天的签到日志，分批删除避免锁表。"""
    logger.info(f"🧹 开始清理 {SIGNIN_LOG_RETAIN_DAYS} 天前的签到日志...")
    try:
        result = _run_async(_async_cleanup())
        logger.info(f"✅ 日志清理完成: {result}")
    except Exception as e:
        logger.error(f"❌ 日志清理失败: {e}")


async def _async_cleanup():
    from sqlalchemy import select, delete
    from shared.models.signin_log import SigninLog

    cutoff = datetime.now() - timedelta(days=SIGNIN_LOG_RETAIN_DAYS)
    total_deleted = 0

    SessionFactory, eng = _make_session()
    try:
        async with SessionFactory() as session:
            while True:
                stmt = (
                    select(SigninLog.id)
                    .where(SigninLog.signed_at < cutoff)
                    .limit(CLEANUP_BATCH_SIZE)
                )
                result = await session.execute(stmt)
                ids = [row[0] for row in result.all()]

                if not ids:
                    break

                del_stmt = delete(SigninLog).where(SigninLog.id.in_(ids))
                await session.execute(del_stmt)
                await session.commit()
                total_deleted += len(ids)
                logger.info(f"🧹 已删除 {total_deleted} 条...")

                if len(ids) < CLEANUP_BATCH_SIZE:
                    break
    finally:
        await eng.dispose()

    return {"deleted": total_deleted, "cutoff": cutoff.isoformat()}


# =============== Redis 订阅（实时同步任务变更） ===============

def _start_redis_listener():
    """启动 Redis pub/sub 监听线程，收到 task_updates 消息后立即同步。"""
    global _redis_listener_running
    if not shared_settings.USE_REDIS or not shared_settings.REDIS_URL:
        logger.info("⚠️ Redis 未启用，任务变更仅靠 5 分钟轮询同步")
        return

    import threading
    import redis

    def _listen():
        global _redis_listener_running
        _redis_listener_running = True
        logger.info("📡 Redis 订阅线程启动，监听 task_updates / config_updates 频道")
        while _redis_listener_running:
            try:
                r = redis.from_url(shared_settings.REDIS_URL, decode_responses=True)
                pubsub = r.pubsub()
                pubsub.subscribe("task_updates", "config_updates")
                for message in pubsub.listen():
                    if not _redis_listener_running:
                        break
                    if message["type"] == "message":
                        channel = message.get("channel", "")
                        if channel == "config_updates":
                            logger.info("📡 收到配置变更通知，重新加载...")
                            load_config_from_db()
                        else:
                            logger.info(f"📡 收到任务变更通知: {message['data'][:200]}")
                            sync_db_tasks()
                pubsub.close()
                r.close()
            except Exception as e:
                logger.warning(f"Redis 订阅异常，5 秒后重连: {e}")
                _time.sleep(5)

    t = threading.Thread(target=_listen, daemon=True, name="redis-listener")
    t.start()


# =============== 启动入口 ===============

def _shutdown(signum, frame):
    global _redis_listener_running
    logger.info(f"收到信号 {signum}，正在关闭调度器...")
    _redis_listener_running = False
    scheduler.shutdown(wait=False)
    sys.exit(0)


if __name__ == "__main__":
    logger.info("=" * 60)
    logger.info("🚀 Weibo-HotSign 定时调度器启动 (APScheduler)")
    logger.info("=" * 60)

    # 注册信号处理
    signal.signal(signal.SIGTERM, _shutdown)
    signal.signal(signal.SIGINT, _shutdown)

    # 启动调度器
    scheduler.start()

    # 从 DB 加载配置（Webhook 地址、推送时间等）
    load_config_from_db()

    # 首次同步 DB 任务
    sync_db_tasks()

    # 启动 Redis 订阅，实时接收任务变更通知
    _start_redis_listener()

    # 每 50 分钟重新同步 DB（兜底，正常靠 Redis 实时通知）
    scheduler.add_job(
        sync_db_tasks,
        trigger=IntervalTrigger(minutes=50),
        id="sync_db_tasks",
        replace_existing=True,
        misfire_grace_time=60,
    )

    # 每天凌晨 3 点清理过期签到日志
    scheduler.add_job(
        cleanup_old_signin_logs,
        trigger=CronTrigger(hour=3, minute=0, timezone="Asia/Shanghai"),
        id="cleanup_old_signin_logs",
        replace_existing=True,
        misfire_grace_time=3600,
    )

    # 每天定时推送签到日报到 Webhook（如果 load_config_from_db 已调度则跳过）
    if WEBHOOK_URL and not scheduler.get_job("daily_report"):
        scheduler.add_job(
            send_daily_report,
            trigger=CronTrigger(hour=DAILY_REPORT_HOUR, minute=DAILY_REPORT_MINUTE, timezone="Asia/Shanghai"),
            id="daily_report",
            replace_existing=True,
            misfire_grace_time=3600,
        )
    if WEBHOOK_URL:
        logger.info(f"📊 每日报告: 每天 {DAILY_REPORT_HOUR:02d}:{DAILY_REPORT_MINUTE:02d} 推送到 Webhook")
    else:
        logger.info("⚠️ Webhook 未配置，每日报告推送已禁用（可在管理面板设置）")

    logger.info("📋 调度器已启动，等待任务触发...")
    logger.info(f"📋 日志清理: 每天 03:00, 保留 {SIGNIN_LOG_RETAIN_DAYS} 天")

    # 打印当前所有已注册的 job
    jobs = scheduler.get_jobs()
    for job in jobs:
        logger.info(f"  📌 {job.id}: next_run={job.next_run_time}")

    # 主线程保持运行
    try:
        while True:
            _time.sleep(1)
    except (KeyboardInterrupt, SystemExit):
        logger.info("调度器关闭中...")
        scheduler.shutdown(wait=False)