"""로또 큐레이션·당첨 알림 — 텔레그램 푸시."""
import logging
from typing import Dict, Any, List

# 기존 에이전트들과 동일한 패턴: send_raw(text, reply_markup=None, chat_id=None)
# chat_id 생략 시 기본 TELEGRAM_CHAT_ID로 자동 발송.
from ..telegram.messaging import send_raw

logger = logging.getLogger("agent-office")

LOTTO_URL = "https://gahusb.synology.me/lotto"


def _format_briefing(payload: Dict[str, Any]) -> str:
    draw_no = payload["draw_no"]
    nar = payload["narrative"]
    conf = payload["confidence"]

    # 분배 칩 — core 5세트의 risk_tag 빈도
    core = payload["picks"]["core"]
    role_count = {"안정": 0, "균형": 0, "공격": 0}
    for p in core:
        role_count[p["risk_tag"]] = role_count.get(p["risk_tag"], 0) + 1
    chip = " · ".join(f"{k} {v}" for k, v in role_count.items() if v)

    msg = [
        f"🎟 {draw_no}회 · 큐레이션 떴음",
        "",
        f"\"{nar['headline']}\"",
        f"신뢰도 {conf} · 분배 {chip}",
    ]
    retro = nar.get("retrospective") or ""
    if retro:
        msg += ["", f"▸ 회고: {retro}"]
    msg += ["", f"👉 결정 카드 보러가기  ({LOTTO_URL})"]
    return "\n".join(msg)


def _format_prize_alert(event: Dict[str, Any]) -> str:
    return (
        "🚨 로또 당첨 가능성!\n"
        f"{event['draw_no']}회 — {event['match_count']}개 일치\n"
        f"번호: {', '.join(str(n) for n in event['numbers'])}\n"
        "동행복권에서 즉시 확인하세요."
    )


async def send_curator_briefing(payload: Dict[str, Any]) -> None:
    text = _format_briefing(payload)
    try:
        await send_raw(text)
    except Exception as e:
        logger.warning(f"[telegram_lotto] briefing send failed: {e}")


async def send_prize_alert(event: Dict[str, Any]) -> None:
    text = _format_prize_alert(event)
    try:
        await send_raw(text)
    except Exception as e:
        logger.warning(f"[telegram_lotto] prize alert send failed: {e}")


# ---------- 능동 시그널 알림 (urgent + digest) ----------

_METRIC_LABEL = {
    "sim_signal": "Sim Consensus",
    "drift": "Strategy Drift",
    "confidence": "Confidence",
}


def _format_urgent_signal(event: Dict[str, Any]) -> str:
    """긴급 시그널 텔레그램 메시지 포맷."""
    triggered = event.get("triggered_at", "")[:19].replace("T", " ")
    results = event.get("results", [])
    fired = [r for r in results if r.get("fire_level") in ("normal", "urgent")]

    lines = [
        "🚨 로또 능동 신호",
        "",
        f"[{triggered}]",
        f"강한 시그널 {len(fired)}종 발화:",
    ]
    for r in fired:
        label = _METRIC_LABEL.get(r["metric"], r["metric"])
        v = r.get("value")
        mu = r.get("baseline_mu")
        sigma = r.get("baseline_sigma")
        z = r.get("z_score")
        v_text = f"{v:.2f}" if v is not None else "N/A"
        if mu is not None and sigma is not None and z is not None:
            lines.append(f"• {label} {v_text} (μ={mu:.2f}, σ={sigma:.2f}) z={z:.1f}")
        else:
            lines.append(f"• {label} {v_text}")

    # drift 페이로드 — 어떤 전략이 변동했는지 한 줄
    for r in fired:
        if r["metric"] == "drift":
            wn = (r.get("payload") or {}).get("weights_now") or {}
            wp = (r.get("payload") or {}).get("weights_prev") or {}
            if wn and wp:
                diffs = {k: wn.get(k, 0) - wp.get(k, 0) for k in (set(wn) | set(wp))}
                top = sorted(diffs.items(), key=lambda kv: abs(kv[1]), reverse=True)[:2]
                detail = ", ".join(f"{k} {'+' if d>=0 else ''}{d*100:.0f}%p" for k, d in top)
                lines.append("")
                lines.append(f"요인: {detail}")
            break

    lines.append("")
    lines.append(f"[자세히 보기] ({LOTTO_URL}/agent)")
    return "\n".join(lines)


def _format_signal_digest(digest: Dict[str, Any]) -> str:
    """일일 요약 메시지. 발화 0건이면 빈 문자열 (발송 skip 신호)."""
    fired = int(digest.get("fired", 0))
    if fired == 0:
        return ""

    signals_list = digest.get("signals", [])
    evaluated = digest.get("evaluated", 0)

    lines = [
        "📊 로또 일일 요약 (지난 24h)",
        "",
        f"평가 {evaluated}회 / 발화 {fired}회",
    ]
    for s in signals_list:
        label = _METRIC_LABEL.get(s["metric"], s["metric"])
        z = s.get("z_score")
        when = (s.get("triggered_at") or "")[11:16]  # HH:MM
        z_text = f"z={z:.1f}" if z is not None else "z=-"
        lines.append(f"• {label:14s} {s['fire_level']:6s} {z_text}  ({when})")

    weights_trend = digest.get("weights_trend") or {}
    if weights_trend:
        lines += ["", "전략 가중치 추세 (최근 8회 baseline):"]
        for strategy, delta in sorted(weights_trend.items(), key=lambda kv: -abs(kv[1])):
            arrow = "↑" if delta > 0.01 else ("↓" if delta < -0.01 else "→")
            lines.append(f"  {strategy:12s} {arrow} {delta*100:+.0f}%")

    return "\n".join(lines)


async def send_urgent_signal(event: Dict[str, Any]) -> None:
    text = _format_urgent_signal(event)
    try:
        await send_raw(text)
    except Exception as e:
        logger.warning(f"[telegram_lotto] urgent signal send failed: {e}")


async def send_signal_summary(digest: Dict[str, Any]) -> None:
    text = _format_signal_digest(digest)
    if not text:
        return  # 발화 0건이면 발송 skip
    try:
        await send_raw(text)
    except Exception as e:
        logger.warning(f"[telegram_lotto] digest send failed: {e}")


# ---------- Weight Evolver 주간 리포트 ----------

_DAY_NAMES = ["월", "화", "수", "목", "금", "토"]
_METRIC_NAMES = ["freq", "finger", "gap", "cooccur", "divers"]
_REASON_LABEL = {
    "winner_4plus": "4개 이상 일치 → base 교체",
    "ema_blend": "3개 일치 → EMA blend (0.3)",
    "unchanged": "유효 성과 없음 → base 유지",
    "cold_start": "초기 균등 적용",
}


def _format_evolution_report(eval_result: Dict[str, Any], current_base: List[float]) -> str:
    """주간 weight evolution 텔레그램 메시지. ok=False 또는 winner 없으면 빈 문자열."""
    if not eval_result or "winner" not in eval_result:
        return ""

    draw_no = eval_result.get("draw_no", "?")
    winner = eval_result["winner"]
    new_base = eval_result.get("new_base") or [0.0] * 5
    reason = eval_result.get("update_reason", "")
    dow = winner.get("day_of_week", 0)
    day_name = _DAY_NAMES[dow] if 0 <= dow < len(_DAY_NAMES) else "?"

    lines = [
        f"🧬 로또 학습 주간 리포트 ({draw_no}회차)",
        "",
        f"이번주 시도: 6일 × {winner.get('n_picks', 5)}세트",
        "",
        f"🏆 Winner: {day_name}요일",
        f"  W = [" + ", ".join(
            f"{name} {w:.2f}" for name, w in zip(_METRIC_NAMES, winner["weight"])
        ) + "]",
        f"  최고 적중: {winner.get('max_correct', 0)}개 일치 (max={winner.get('max_correct', 0)})",
        f"  평균 점수: {winner.get('avg_score', 0):.2f}",
        "",
        f"📊 다음주 base 변경 ({reason}):",
    ]
    base_now = current_base or [0.2] * 5
    for i, (cur, new) in enumerate(zip(base_now, new_base)):
        diff = new - cur
        if abs(diff) < 0.005:
            marker = "="
        elif diff > 0:
            marker = "+" if diff < 0.05 else "++"
        else:
            marker = "-" if diff > -0.05 else "--"
        lines.append(f"  {_METRIC_NAMES[i]:8s} {cur:.2f} → {new:.2f}  ({marker})")
    lines.append("")
    lines.append(f"  → {_REASON_LABEL.get(reason, reason)}")
    lines.append("")
    lines.append(f"[웹에서 차트 보기] ({LOTTO_URL}/evolver)")
    return "\n".join(lines)


async def send_evolution_report(eval_result: Dict[str, Any], current_base: List[float]) -> None:
    text = _format_evolution_report(eval_result, current_base)
    if not text:
        return
    try:
        await send_raw(text)
    except Exception as e:
        logger.warning(f"[telegram_lotto] evolution report send failed: {e}")