#!/usr/bin/env python3
"""promote_candidates.py — 自动提拔候选股入自选（修复版 2026-08-10）
修复：每次运行限处理 N 个新候选（按评分降序优中选优），
加单例守卫防重叠，缩短重评子进程超时，加总时长护栏。
"""
import sys, json, sqlite3, time
from pathlib import Path
from datetime import datetime

DB_PATH = Path("/home/hmo/MoFin/data/mofin.db")

# 2026-08-10 修复参数：控制单次运行时长，防 hermes 600s 超时杀进程
MAX_NEW_PER_RUN = 10        # 每次最多提拔 10 个新候选（评分降序优中选优）
REASSESS_TIMEOUT = 120       # 重评子进程超时（原480s→120s，重评是辅助不阻塞主流程）
TOTAL_TIME_BUDGET = 500      # 总时长护栏（hermes child_timeout=600，留100s余量）
START_TIME = time.time()

def over_budget():
    return (time.time() - START_TIME) > TOTAL_TIME_BUDGET

def main():
    # ── 单例守卫（2026-05-31 铁律：常驻/定时脚本必须防重复）──
    import fcntl
    lock_path = "/tmp/promote_candidates.lock"
    lock_f = open(lock_path, "w")
    try:
        fcntl.flock(lock_f, fcntl.LOCK_EX | fcntl.LOCK_NB)
    except OSError:
        print("[PROMOTE] 已有实例在运行，退出")
        return

    conn = sqlite3.connect(str(DB_PATH), timeout=30)
    conn.execute("PRAGMA busy_timeout=30000")
    conn.row_factory = sqlite3.Row
    
    # 读未提拔候选（按评分降序）
    rows = conn.execute("""
        SELECT c.code, c.name, c.score_final, c.entry_range, c.stop_loss, c.target, c.sector
        FROM candidates c
        WHERE (c.promoted IS NULL OR c.promoted = 0)
        AND (c.dropped IS NULL OR c.dropped = 0)
        AND c.score_final >= 7
        ORDER BY c.score_final DESC
    """).fetchall()
    
    if not rows:
        print("[PROMOTE] 无待提拔候选")
        conn.close()
        return
    
    print(f"[PROMOTE] 待处理 {len(rows)} 个候选（本次最多 {MAX_NEW_PER_RUN} 个新提拔）", flush=True)
    promoted = 0
    processed = 0
    for r in rows:
        if over_budget():
            print(f"[PROMOTE] 已达时长护栏 {TOTAL_TIME_BUDGET}s，停止本批（已处理{processed}）", flush=True)
            break
        # 已有"在自选"的候选（上次已插但被标记或重复）快速跳过，不计入 new 配额
        code = str(r[0])
        # 2026-08-11：读取候选 sector（用于 p_oversold RR 例外）
        cand_sector = str(r[6] or "").strip() if len(r) > 6 else ""
        exists = conn.execute(
            "SELECT id FROM holding_strategies WHERE code=? AND status='active'",
            (code,)
        ).fetchone()
        if exists:
            conn.execute("UPDATE candidates SET promoted=1 WHERE code=?", (code,))
            processed += 1
            continue
        
        # 已达本批新提拔配额 → 停止（剩余的留到下批，按评分降序保证优中选优）
        if promoted >= MAX_NEW_PER_RUN:
            print(f"[PROMOTE] 本批已达 {MAX_NEW_PER_RUN} 个新提拔配额，停止（剩余留待下批）", flush=True)
            break
        
        name = r[1] or code
        score = r[2] or 0
        entry_range = r[3] or ""
        sl = r[4] or 0
        tp = r[5] or 0
        
        # 解析 entry_range
        el, eh = 0, 0
        if "~" in entry_range:
            parts = entry_range.split("~")
            try:
                el = float(parts[0])
                eh = float(parts[1])
            except: pass
        
        # 验证实时价格
        _price = 0.0
        try:
            import subprocess, json as _jj
            _r = subprocess.run(["python3", "/home/hmo/.hermes/profiles/position-analyst/scripts/stock_quote.py", code],
                               capture_output=True, text=True, timeout=10)
            _q = _jj.loads(_r.stdout)
            _price = float(_q.get("price", 0))
            if _price <= 0:
                print(f"  ⏭ {code} {name} 无实时价格，跳过")
                processed += 1
                continue
        except Exception as _e:
            print(f"  ⏭ {code} {name} 价格获取失败({_e})，跳过")
            processed += 1
            continue

        # 优中选优闸：ST排除 + 技术位锚定 + RR>=2.0
        if "ST" in (name or "").upper():
            print(f"  ⏭ {code} {name} ST股，不入自选")
            processed += 1
            continue
        try:
            import sys as _s
            if '/home/hmo/MoFin/deploy/profile-scripts' not in _s.path:
                _s.path.insert(0, '/home/hmo/MoFin/deploy/profile-scripts')
            import technical_analysis as _ta
            _ta_r = _ta.full_analysis(code)
            _sr = (_ta_r or {}).get("support_resistance", {}) or {}
            _ws, _ss = _sr.get("weak_support"), _sr.get("strong_support")
            _wr, _sr2 = _sr.get("weak_resist"), _sr.get("strong_resist")
            if _ws and _wr and _price > 0:
                el = round(_ws * 0.995, 2)
                eh = round(min(_wr, _price * 1.05), 2)
                sl = round((_ss or _ws) * 0.985, 2)
                tp = round(_sr2 or _wr * 1.15, 2)
        except Exception as _te:
            print(f"  ⚠️ {code} 技术位锚定失败({_te})，用扫描器参数", flush=True)
        if el > 0 and eh > el and sl > 0 and tp > 0:
            _mid = (el + eh) / 2
            _rr = (tp - _mid) / (_mid - sl) if (_mid - sl) > 0 else 0
            # 2026-08-11：p_oversold（预测超跌反弹）候选跳过 RR>=2.0 门槛——
            # 超跌反弹候选 RR 天然 <2（支撑近/压力远），用专属评估替代（部署计划 §8.3 方案C）
            if _rr < 2.0 and cand_sector != "p_oversold":
                print(f"  ⏭ {code} {name} RR={_rr:.2f}<2.0，不入自选")
                processed += 1
                continue
        else:
            print(f"  ⏭ {code} {name} 锚定后参数无效(区{el}~{eh} 损{sl} 盈{tp})，跳过")
            processed += 1
            continue
        
        # 构建策略
        now = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        timing_signal = "关注"
        price_est = (el + eh) / 2 if el > 0 and eh > 0 else 0
        reason_text = []
        if el > 0: reason_text.append(f"买{el}~{eh}")
        if sl > 0: reason_text.append(f"损{sl}")
        if tp > 0: reason_text.append(f"盈{tp}")
        if sl > 0 and tp > 0 and price_est > 0:
            rr = (tp - price_est) / (price_est - sl) if (price_est - sl) > 0 else 0
            reason_text.append(f"RR{rr:.1f}")
        reason_text.append(f"评分{score}")
        action = " | ".join(reason_text) if reason_text else f"市场扫描发现(评分{score})"
        
        # 容量闸：自选上限60只
        MAX_WATCH = 60
        wl_count = conn.execute(
            "SELECT COUNT(*) FROM holding_strategies WHERE status='active' AND decision_type='自选策略'").fetchone()[0]
        if wl_count >= MAX_WATCH:
            weakest = conn.execute("""
                SELECT code, name, COALESCE(rr_ratio,0) as rr FROM holding_strategies
                WHERE status='active' AND decision_type='自选策略'
                ORDER BY COALESCE(rr_ratio,0) ASC, updated_at ASC LIMIT 1""").fetchone()
            if weakest and (weakest[2] or 0) < 2.0:
                conn.execute(
                    "INSERT INTO watchlist_log (code, name, event, reason, old_signal, new_signal, price) "
                    "VALUES (?,?,?,?,?,?,?)",
                    (weakest[0], weakest[1] or "", "exit", f"容量{MAX_WATCH}淘汰为新标的{code}腾位", "", "已删除", 0))
                conn.execute(
                    "DELETE FROM holding_strategies WHERE code=? AND status='active' AND decision_type='自选策略'",
                    (weakest[0],))
                print(f"  🔴 容量淘汰: {weakest[0]} {weakest[1]} (RR={weakest[2]})", flush=True)
            else:
                print(f"  ⏭ 自选已满{MAX_WATCH}且现有标的均RR>=2.0，{code}暂缓提拔", flush=True)
                processed += 1
                continue

        cur = conn.execute("""
            INSERT OR IGNORE INTO holding_strategies 
            (code, name, price, entry_low, entry_high, stop_loss, take_profit,
             timing_signal, action, decision_type, strategy_type, status,
             rr_ratio, stock_category, created_at, updated_at,
             sector_context, quality_check)
            VALUES (?,?,?,?,?,?,?,?,?,'自选策略','scan',
                    'active',0,'关注',?,?,'', 'pending')
        """, (code, name, 0, el, eh, sl, tp, timing_signal, action, now, now))
        newly_added = cur.rowcount > 0
        
        conn.execute("UPDATE candidates SET promoted=1 WHERE code=?", (code,))
        if newly_added:
            promoted += 1
            processed += 1
            print(f"  ✅ {code} {name} 评分{score} → 已加入自选({timing_signal})", flush=True)
        else:
            print(f"  ⏭ {code} {name} 已在自选策略中，标记promoted", flush=True)
            processed += 1
        
        # 触发全量重评（仅新插入）
        if newly_added:
            try:
                import subprocess as _sp
                r = _sp.run(["python3", "/home/hmo/MoFin/deploy/profile-scripts/per_stock_reassess.py", code],
                           capture_output=True, text=True, timeout=REASSESS_TIMEOUT)
                if r.returncode == 0:
                    print(f"    重评完成", flush=True)
                else:
                    print(f"    重评失败: {r.stderr.strip()[:100]}", flush=True)
            except Exception as e:
                print(f"    重评异常: {e}", flush=True)
    
    conn.commit()
    print(f"\n[PROMOTE] 本次处理{processed}个，提拔{promoted}只（剩余留待下批）", flush=True)
    
    # 推XMPP
    if promoted > 0:
        try:
            import urllib.request
            body = f"🤖 候选自动提拔: {promoted}只新入自选（评分降序优中选优，每批≤{MAX_NEW_PER_RUN}）"
            req = urllib.request.Request("http://127.0.0.1:5805/",
                data=json.dumps({"to": "hmo@yoin.fun", "body": body, "type": "chat"}).encode(),
                headers={"Content-Type": "application/json"})
            urllib.request.urlopen(req, timeout=5)
            print("[PROMOTE] XMPP 通知已发送", flush=True)
        except Exception as e:
            print(f"[PROMOTE] XMPP 通知失败: {e}", flush=True)
    
    conn.close()

if __name__ == "__main__":
    main()