#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
N8N 桥接脚本 — 把 BLOG SEO 内容推送到 TG + Discord
由 daily_auto.py 统一管线调用

不在 RackNerd 上跑，本地直接调 TG Bot API + Discord Webhook
"""
import urllib.request, json, time, random, sys, io, os
from datetime import datetime

sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from config import TG_BOT_TOKEN as TG_BOT, DISCORD_WEBHOOK as DC_WEBHOOK, BLOG_URL as BLOG

TG_CHANNEL = "@GFIL_Trading"

def post_tg(msg):
    try:
        data = json.dumps({"chat_id": TG_CHANNEL, "text": msg, "disable_web_page_preview": False}).encode()
        req = urllib.request.Request(f"https://api.telegram.org/bot{TG_BOT}/sendMessage",
            data=data, headers={"Content-Type": "application/json"}, method="POST")
        r = urllib.request.urlopen(req, timeout=15)
        return r.status == 200
    except:
        return False

def post_discord(msg):
    try:
        data = json.dumps({"content": msg}).encode()
        req = urllib.request.Request(DC_WEBHOOK, data=data,
            headers={"Content-Type": "application/json", "User-Agent": "Mozilla/5.0 GFIL-Bridge"}, method="POST")
        urllib.request.urlopen(req, timeout=15)
        return True
    except:
        return False

# ===== 推广消息池 =====
PROMOS = [
    f"🛠 Free Position Size Calculator — (Account x Risk%) / (Stop x Pip Value) = exact lots.\n\nNo signup. No email. Just math.\n\n👉 {BLOG}/tools/position-size-calculator.html\n\n🔗 More free tools: {BLOG}/tools/",
    f"📊 16 Free Trading Calculators — no signup, no ads.\n\nPosition Size · Pip Value · Fibonacci · ATR · Kelly · Margin · R:R · Drawdown\n\nAll free → {BLOG}/tools/\n\n📱 Join: https://t.me/GFIL_Trading",
    f"🥇 Gold XAUUSD traders — stop using 50-year-old indicators.\n\nRead order flow: cumulative delta, volume profile, absorption.\n\nFull guide → {BLOG}/gold-xauusd-trading-2026.html\n\nFree tools: {BLOG}/tools/",
    f"⚡ TradingView latency: 500ms-3s. WebSocket: <50ms.\n\nDuring NFP, that's 60-100 pips/day difference for scalpers.\n\nFull data → {BLOG}/tradingview-vs-gfil-boss.html\n\nTry WebSocket speed: https://gold-node.xyz",
    f"📈 5-Minute Forex Scalping Setup:\n\nLondon open + delta divergence + 5 pip stop + 12-15 target.\n\nFull breakdown → {BLOG}/forex-scalping-2026.html\n\nFree tools: {BLOG}/tools/",
    f"🔐 Anonymous trading in 2026:\n\nBrokers see every trade. Market makers detect flow. Protect your strategy.\n\nGuide → {BLOG}/trading-activity-tracked.html\n\nPrivate terminal: https://gold-node.xyz",
    f"🧮 Kelly Criterion Calculator — the mathematically optimal bet size.\n\n40% win rate + 1:3 R:R = 20% Kelly.\n\nUse half-Kelly for safety → {BLOG}/tools/kelly-calculator.html\n\nAll tools: {BLOG}/tools/",
    f"📉 Why 87% of retail traders lose: data asymmetry.\n\nInstitutions get data 15 min before you see it.\n\nFull analysis → {BLOG}/why-retail-traders-lose-money.html\n\nClose the gap: https://gold-node.xyz",
]

if __name__ == "__main__":
    ts = datetime.now().strftime("%Y-%m-%d %H:%M")
    print(f"N8N Bridge [{ts}]")

    # Pick 2 random promos
    picks = random.sample(PROMOS, min(3, len(PROMOS)))
    tg_ok = 0
    dc_ok = 0

    for i, msg in enumerate(picks, 1):
        print(f"  [{i}/{len(picks)}] {msg[:60]}...")
        if post_tg(msg):
            tg_ok += 1
        if post_discord(msg):
            dc_ok += 1
        time.sleep(1.5)

    print(f"  Sent: TG={tg_ok}/DC={dc_ok}/{len(picks)}")