"""
monitor/notifier.py
디스코드 Webhook 알림 (단방향)
aiohttp만 사용 - 별도 라이브러리 없음
"""
import os
import asyncio
import aiohttp
import logging

logger = logging.getLogger(__name__)

WEBHOOK_URL = os.getenv("DISCORD_WEBHOOK_URL", "")

async def send(message: str) -> None:
    """디스코드 Webhook 메시지 전송"""
    if not WEBHOOK_URL:
        logger.warning(f"[Discord 미설정] {message}")
        return
    try:
        async with aiohttp.ClientSession() as session:
            await session.post(
                WEBHOOK_URL,
                json={"content": message},
                timeout=aiohttp.ClientTimeout(total=5)
            )
    except Exception as e:
        logger.error(f"Discord 알림 실패: {e}")

# ── 이벤트별 메시지 ──

async def notify_ai_result(sentiment: str, score: int,
                            hot: list, avoid: list, reason: str):
    hot_str   = ",".join(hot)   if hot   else "없음"
    avoid_str = ",".join(avoid) if avoid else "없음"
    await send(
        f"[AI분석] 시장: {sentiment}({score}점) | "
        f"주목: {hot_str} | 회피: {avoid_str}\n💬 {reason}"
    )

async def notify_ai_blocked(ticker: str, name: str, reason: str):
    await send(f"[AI차단] {name}({ticker}) - {reason}")

async def notify_buy(ticker: str, name: str, price: int,
                     target: int, stop: int, boosted: bool = False):
    star = "★ " if boosted else ""
    await send(
        f"[매수{star}] {name}({ticker}) {price:,}원 | "
        f"목표 {target:,} | 손절 {stop:,}"
    )

async def notify_tp1(ticker: str, name: str, pct: float):
    await send(f"[익절1] {name}({ticker}) +{pct:.1f}% / 잔여 50%")

async def notify_tp2(ticker: str, name: str, pct: float):
    await send(f"[익절2] {name}({ticker}) +{pct:.1f}% / 전량 청산")

async def notify_sl(ticker: str, name: str, pct: float):
    await send(f"[손절] {name}({ticker}) {pct:.1f}% / 즉시 청산")

async def notify_force_exit():
    await send("[14:50 강제청산] 전 포지션 청산 완료")

async def notify_risk(level: str, message: str):
    await send(f"[경고-{level}] {message}")

async def notify_daily_summary(trades: int, wins: int,
                                losses: int, net_pnl: float):
    win_rate = wins / trades * 100 if trades else 0
    await send(
        f"[결산] 매매 {trades}회 / 승 {wins} 패 {losses} "
        f"({win_rate:.0f}%) / 순손익 {net_pnl:+,.0f}원"
    )

async def notify_error(message: str):
    await send(f"[긴급] {message}")

async def notify_ai_fallback():
    await send("[경고] AI 판단 실패 → 기본값 적용 (비중 80%)")