Aggiornamento script meteo (Vigilia di Natale)

services/telegram-bot/arome_snow_alert.py

@@ -1,209 +1,483 @@
-import requests
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
 import datetime
-import time
+import html
 import json
+import logging
 import os
-from dateutil import parser
+import time
+from logging.handlers import RotatingFileHandler
+from typing import Dict, List, Optional
 from zoneinfo import ZoneInfo
 
-# --- CONFIGURAZIONE UTENTE ---
+import requests
-# 👇👇 INSERISCI QUI I TUOI DATI 👇👇
+from dateutil import parser
-TELEGRAM_BOT_TOKEN = "8155587974:AAF9OekvBpixtk8ZH6KoIc0L8edbhdXt7A4"
-TELEGRAM_CHAT_IDS = ["64463169", "24827341", "132455422", "5405962012"]
 
-# --- PUNTI DI MONITORAGGIO ---
+# =============================================================================
-# Sostituito San Leo con Carpegna
+# arome_snow_alert.py
+#
+# Scopo:
+#   Monitorare neve prevista nelle prossime 24 ore su più punti (Casa/Titano/Dogana/Carpegna)
+#   e notificare su Telegram se:
+#     - esiste almeno 1 ora nelle prossime 24h con snowfall > 0.2 cm
+#       (nessuna persistenza richiesta)
+#
+# Modello meteo:
+#   SOLO AROME HD 1.5 km (Meteo-France): meteofrance_arome_france_hd
+#
+# Token Telegram:
+#   Nessun token in chiaro. Lettura in ordine:
+#     1) env TELEGRAM_BOT_TOKEN
+#     2) ~/.telegram_dpc_bot_token
+#     3) /etc/telegram_dpc_bot_token
+#
+# Debug:
+#   DEBUG=1 python3 arome_snow_alert.py
+#
+# Log:
+#   ./arome_snow_alert.log (stessa cartella dello script)
+# =============================================================================
+
+DEBUG = os.environ.get("DEBUG", "0").strip() == "1"
+
+# ----------------- TELEGRAM -----------------
+TELEGRAM_CHAT_IDS = ["64463169", "24827341", "132455422", "5405962012"]
+TOKEN_FILE_HOME = os.path.expanduser("~/.telegram_dpc_bot_token")
+TOKEN_FILE_ETC = "/etc/telegram_dpc_bot_token"
+
+# ----------------- PUNTI DI MONITORAGGIO -----------------
 POINTS = [
     {"name": "🏠 Casa",      "lat": 43.9356, "lon": 12.4296},
     {"name": "⛰️ Titano",    "lat": 43.9360, "lon": 12.4460},
     {"name": "🏢 Dogana",    "lat": 43.9800, "lon": 12.4900},
-    {"name": "🏔️ Carpegna",  "lat": 43.7819, "lon": 12.3346}
+    {"name": "🏔️ Carpegna",  "lat": 43.7819, "lon": 12.3346},
 ]
 
-# Soglia notifica (cm)
+# ----------------- LOGICA ALLERTA -----------------
-SOGLIA_NOTIFICA = 0.0
+TZ = "Europe/Rome"
+TZINFO = ZoneInfo(TZ)
 
-# File di stato per ricordare l'ultima allerta
+HOURS_AHEAD = 24
+
+# Soglia precipitazione neve oraria (cm/h): NOTIFICA se qualsiasi ora > soglia
+SNOW_HOURLY_THRESHOLD_CM = 0.2
+
+# Stagione invernale: 1 Nov -> 15 Apr
+WINTER_START_MONTH = 11
+WINTER_END_MONTH = 4
+WINTER_END_DAY = 15
+
+# File di stato
 STATE_FILE = "/home/daniely/docker/telegram-bot/snow_state.json"
 
-# --- FUNZIONI DI UTILITÀ ---
+# ----------------- OPEN-METEO -----------------
+OPEN_METEO_URL = "https://api.open-meteo.com/v1/forecast"
+HTTP_HEADERS = {"User-Agent": "rpi-arome-snow-alert/2.1"}
+MODEL = "meteofrance_arome_france_hd"
 
-def is_winter_season():
+# ----------------- LOG FILE -----------------
-    """Ritorna True se oggi è tra il 1 Novembre e il 15 Aprile"""
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
-    now = datetime.datetime.now()
+LOG_FILE = os.path.join(BASE_DIR, "arome_snow_alert.log")
-    month = now.month
-    day = now.day
 
-    if month >= 11: return True  # Nov, Dic
+
-    if month <= 3: return True   # Gen, Feb, Mar
+def setup_logger() -> logging.Logger:
-    if month == 4 and day <= 15: return True # Fino al 15 Apr
+    logger = logging.getLogger("arome_snow_alert")
+    logger.setLevel(logging.DEBUG if DEBUG else logging.INFO)
+    logger.handlers.clear()
+
+    fh = RotatingFileHandler(LOG_FILE, maxBytes=1_000_000, backupCount=5, encoding="utf-8")
+    fh.setLevel(logging.DEBUG)
+    fmt = logging.Formatter("%(asctime)s %(levelname)s %(message)s")
+    fh.setFormatter(fmt)
+    logger.addHandler(fh)
+
+    if DEBUG:
+        sh = logging.StreamHandler()
+        sh.setLevel(logging.DEBUG)
+        sh.setFormatter(fmt)
+        logger.addHandler(sh)
+
+    return logger
+
+
+LOGGER = setup_logger()
+
+
+# =============================================================================
+# Utility
+# =============================================================================
+def now_local() -> datetime.datetime:
+    return datetime.datetime.now(TZINFO)
+
+
+def is_winter_season() -> bool:
+    """True se oggi è tra 1 Novembre e 15 Aprile (in TZ locale)."""
+    now = now_local()
+    m = now.month
+    d = now.day
+
+    if m >= WINTER_START_MONTH:
+        return True
+    if m <= 3:
+        return True
+    if m == WINTER_END_MONTH and d <= WINTER_END_DAY:
+        return True
     return False
 
-def load_last_state():
-    """Legge se c'era un allerta attiva"""
-    if not os.path.exists(STATE_FILE): return False
-    try:
-        with open(STATE_FILE, 'r') as f:
-            data = json.load(f)
-            return data.get("alert_active", False)
-    except: return False
 
-def save_current_state(is_active):
+def read_text_file(path: str) -> str:
-    """Salva lo stato corrente"""
     try:
-        with open(STATE_FILE, 'w') as f:
+        with open(path, "r", encoding="utf-8") as f:
-            json.dump({"alert_active": is_active, "updated": str(datetime.datetime.now())}, f)
+            return f.read().strip()
+    except FileNotFoundError:
+        return ""
+    except PermissionError:
+        LOGGER.debug("Permission denied reading %s", path)
+        return ""
     except Exception as e:
-        print(f"Errore salvataggio stato: {e}")
+        LOGGER.exception("Error reading %s: %s", path, e)
+        return ""
 
-def send_telegram_message(message):
-    if not TELEGRAM_BOT_TOKEN or "INSERISCI" in TELEGRAM_BOT_TOKEN:
-        print(f"[TEST OUT] {message}")
-        return
 
-    url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage"
+def load_bot_token() -> str:
+    tok = os.environ.get("TELEGRAM_BOT_TOKEN", "").strip()
+    if tok:
+        return tok
+    tok = read_text_file(TOKEN_FILE_HOME)
+    if tok:
+        return tok
+    tok = read_text_file(TOKEN_FILE_ETC)
+    return tok.strip() if tok else ""
+
+
+def parse_time_to_local(t: str) -> datetime.datetime:
+    dt = parser.isoparse(t)
+    if dt.tzinfo is None:
+        return dt.replace(tzinfo=TZINFO)
+    return dt.astimezone(TZINFO)
+
+
+def hhmm(dt: datetime.datetime) -> str:
+    return dt.strftime("%H:%M")
+
+
+# =============================================================================
+# Telegram
+# =============================================================================
+def telegram_send_html(message_html: str) -> bool:
+    """Invia solo in caso di allerta (mai per errori)."""
+    token = load_bot_token()
+    if not token:
+        LOGGER.warning("Telegram token missing: message not sent.")
+        return False
+
+    url = f"https://api.telegram.org/bot{token}/sendMessage"
+    base_payload = {
+        "text": message_html,
+        "parse_mode": "HTML",
+        "disable_web_page_preview": True,
+    }
+
+    sent_ok = False
+    with requests.Session() as s:
         for chat_id in TELEGRAM_CHAT_IDS:
-        payload = {"chat_id": chat_id, "text": message, "parse_mode": "Markdown"}
+            payload = dict(base_payload)
+            payload["chat_id"] = chat_id
             try:
-            requests.post(url, json=payload, timeout=10)
+                resp = s.post(url, json=payload, timeout=15)
-            time.sleep(0.2)
+                if resp.status_code == 200:
+                    sent_ok = True
+                else:
+                    LOGGER.error("Telegram error chat_id=%s status=%s body=%s",
+                                 chat_id, resp.status_code, resp.text[:500])
+                time.sleep(0.25)
             except Exception as e:
-            print(f"Errore invio a {chat_id}: {e}")
+                LOGGER.exception("Telegram exception chat_id=%s err=%s", chat_id, e)
 
-def get_forecast(lat, lon):
+    return sent_ok
-    url = "https://api.open-meteo.com/v1/forecast"
+
+
+# =============================================================================
+# State
+# =============================================================================
+def load_state() -> Dict:
+    default = {"alert_active": False, "signature": "", "updated": ""}
+    if os.path.exists(STATE_FILE):
+        try:
+            with open(STATE_FILE, "r", encoding="utf-8") as f:
+                data = json.load(f) or {}
+                default.update(data)
+        except Exception as e:
+            LOGGER.exception("State read error: %s", e)
+    return default
+
+
+def save_state(alert_active: bool, signature: str) -> None:
+    try:
+        os.makedirs(os.path.dirname(STATE_FILE), exist_ok=True)
+        with open(STATE_FILE, "w", encoding="utf-8") as f:
+            json.dump(
+                {"alert_active": alert_active, "signature": signature, "updated": now_local().isoformat()},
+                f,
+                ensure_ascii=False,
+                indent=2,
+            )
+    except Exception as e:
+        LOGGER.exception("State write error: %s", e)
+
+
+# =============================================================================
+# Open-Meteo
+# =============================================================================
+def get_forecast(session: requests.Session, lat: float, lon: float) -> Optional[Dict]:
     params = {
-        "latitude": lat, "longitude": lon,
+        "latitude": lat,
+        "longitude": lon,
         "hourly": "snowfall",
-        "models": "arome_france_hd",
+        "timezone": TZ,
-        "timezone": "Europe/Rome",
+        "forecast_days": 2,
-        "forecast_days": 2
+        "models": MODEL,
     }
     try:
-        response = requests.get(url, params=params, timeout=5)
+        r = session.get(OPEN_METEO_URL, params=params, headers=HTTP_HEADERS, timeout=25)
-        response.raise_for_status()
+        if r.status_code == 400:
-        return response.json()
+            try:
-    except:
+                j = r.json()
+                LOGGER.error("Open-Meteo 400 (model=%s lat=%.4f lon=%.4f): %s", MODEL, lat, lon, j.get("reason", j))
+            except Exception:
+                LOGGER.error("Open-Meteo 400 (model=%s lat=%.4f lon=%.4f): %s", MODEL, lat, lon, r.text[:500])
+            return None
+        r.raise_for_status()
+        return r.json()
+    except Exception as e:
+        LOGGER.exception("Open-Meteo request error (model=%s lat=%.4f lon=%.4f): %s", MODEL, lat, lon, e)
         return None
 
-def calculate_sums(data):
-    if not data: return None
 
-    hourly = data.get("hourly", {})
+# =============================================================================
-    times = hourly.get("time", [])
+# Analytics
-    snow = hourly.get("snowfall", [])
+# =============================================================================
+def compute_snow_stats(data: Dict) -> Optional[Dict]:
+    hourly = data.get("hourly", {}) or {}
+    times = hourly.get("time", []) or []
+    snow = hourly.get("snowfall", []) or []
 
-    if not times or not snow: return None
+    n = min(len(times), len(snow))
+    if n == 0:
+        return None
 
-    now = datetime.datetime.now(ZoneInfo("Europe/Rome"))
+    times = times[:n]
+    snow = snow[:n]
 
+    now = now_local()
     start_idx = -1
-    for i, t_str in enumerate(times):
+    for i, t in enumerate(times):
         try:
-            t_obj = parser.isoparse(t_str).replace(tzinfo=ZoneInfo("Europe/Rome"))
+            if parse_time_to_local(t) >= now:
-            if t_obj >= now.replace(minute=0, second=0, microsecond=0):
                 start_idx = i
                 break
-        except: continue
+        except Exception:
+            continue
+    if start_idx == -1:
+        return None
 
-    if start_idx == -1: return None
+    end_idx = min(start_idx + HOURS_AHEAD, n)
+    if end_idx <= start_idx:
+        return None
 
-    end = len(snow)
+    times_w = times[start_idx:end_idx]
-    # Calcola somme sugli orizzonti temporali
+    snow_w = [float(x) if x is not None else 0.0 for x in snow[start_idx:end_idx]]
-    def get_sum(hours):
+    dt_w = [parse_time_to_local(t) for t in times_w]
-        return sum(x for x in snow[start_idx:min(start_idx+hours, end)] if x)
+
+    # Accumuli informativi
+    def sum_h(h: int) -> float:
+        upto = min(h, len(snow_w))
+        return float(sum(snow_w[:upto]))
+
+    s3 = sum_h(3)
+    s6 = sum_h(6)
+    s12 = sum_h(12)
+    s24 = sum_h(24)
+
+    # Picco orario e prima occorrenza > soglia
+    peak = max(snow_w) if snow_w else 0.0
+    peak_time = ""
+    first_thr_time = ""
+    first_thr_val = 0.0
+
+    for i, v in enumerate(snow_w):
+        if v > peak:
+            peak = v
+            peak_time = hhmm(dt_w[i])
+        if (not first_thr_time) and (v > SNOW_HOURLY_THRESHOLD_CM):
+            first_thr_time = hhmm(dt_w[i])
+            first_thr_val = v
+
+    if not peak_time and peak > 0 and dt_w:
+        try:
+            peak_i = snow_w.index(peak)
+            peak_time = hhmm(dt_w[peak_i])
+        except Exception:
+            peak_time = ""
 
     return {
-        "3h": get_sum(3),
+        "snow_3h": s3,
-        "6h": get_sum(6),
+        "snow_6h": s6,
-        "12h": get_sum(12),
+        "snow_12h": s12,
-        "24h": get_sum(24)
+        "snow_24h": s24,
+        "peak_hourly": float(peak),
+        "peak_time": peak_time,
+        "first_thr_time": first_thr_time,
+        "first_thr_val": float(first_thr_val),
+        "triggered": bool(first_thr_time),
     }
 
-# --- LOGICA PRINCIPALE ---
 
-def analyze_snow():
+def point_summary(name: str, st: Dict) -> Dict:
-    # 1. Controllo Stagionale
+    return {
+        "name": name,
+        "triggered": bool(st["triggered"]),
+        "snow_3h": st["snow_3h"],
+        "snow_6h": st["snow_6h"],
+        "snow_12h": st["snow_12h"],
+        "snow_24h": st["snow_24h"],
+        "peak_hourly": st["peak_hourly"],
+        "peak_time": st["peak_time"],
+        "first_thr_time": st["first_thr_time"],
+        "first_thr_val": st["first_thr_val"],
+    }
+
+
+def build_signature(summaries: List[Dict]) -> str:
+    # Firma per evitare spam: arrotondiamo a 0.1 cm
+    parts = []
+    for s in summaries:
+        parts.append(
+            f"{s['name']}:t{int(s['triggered'])}"
+            f":24={s['snow_24h']:.1f}"
+            f":pk={s['peak_hourly']:.1f}"
+            f":ft={s['first_thr_time'] or '-'}"
+        )
+    return "|".join(parts)
+
+
+# =============================================================================
+# Main
+# =============================================================================
+def analyze_snow() -> None:
     if not is_winter_season():
-        print("Stagione estiva. Script in pausa.")
+        LOGGER.info("Fuori stagione invernale: nessuna verifica/notify.")
+        save_state(False, "")
         return
 
-    now_str = datetime.datetime.now(ZoneInfo("Europe/Rome")).strftime('%H:%M')
+    now_str = now_local().strftime("%H:%M")
-    print(f"--- Check Meteo {now_str} ---")
+    LOGGER.info("--- Check Neve AROME HD %s ---", now_str)
 
-    home_stats = None
+    state = load_state()
-    max_area_snow = 0.0
+    was_active = bool(state.get("alert_active", False))
-    area_details = ""
+    last_sig = state.get("signature", "")
 
-    # 2. Raccolta Dati
+    summaries: List[Dict] = []
+
+    with requests.Session() as session:
         for p in POINTS:
-        data = get_forecast(p["lat"], p["lon"])
+            data = get_forecast(session, p["lat"], p["lon"])
-        stats = calculate_sums(data)
+            if not data:
+                LOGGER.warning("Forecast non disponibile per %s (skip).", p["name"])
+                continue
 
-        if not stats: continue
+            st = compute_snow_stats(data)
+            if not st:
+                LOGGER.warning("Statistiche non calcolabili per %s (skip).", p["name"])
+                continue
 
-        if p["name"] == "🏠 Casa":
+            summaries.append(point_summary(p["name"], st))
-            home_stats = stats
+            time.sleep(0.2)
 
-        # Aggiorna il massimo rilevato in zona
+    if not summaries:
-        if stats["24h"] > max_area_snow:
+        LOGGER.error("Nessun punto ha restituito statistiche valide.")
-            max_area_snow = stats["24h"]
+        return
 
-        # Costruisci dettaglio se c'è neve
+    any_trigger = any(s["triggered"] for s in summaries)
-        if stats["24h"] > 0:
+    sig = build_signature(summaries)
-            area_details += f"{p['name']}: {stats['24h']:.1f}cm (12h: {stats['12h']:.1f})\n"
 
-        time.sleep(1)
+    # --- Scenario A: soglia superata ---
+    if any_trigger:
+        if (not was_active) or (sig != last_sig):
+            msg: List[str] = []
+            msg.append("❄️ <b>ALLERTA NEVE (AROME HD)</b>")
+            msg.append(f"🕒 <i>Aggiornamento ore {html.escape(now_str)}</i>")
+            msg.append(f"🛰️ <code>Modello: {html.escape(MODEL)}</code>")
+            msg.append(f"⏱️ <code>Finestra: prossime {HOURS_AHEAD} ore | Trigger: snowfall &gt; {SNOW_HOURLY_THRESHOLD_CM:.1f} cm/h</code>")
+            msg.append("")
 
-    # 3. Decisione Alert
+            casa = next((s for s in summaries if s["name"] == "🏠 Casa"), None)
-    # C'è neve se a casa o nei dintorni l'accumulo è > soglia
+            if casa:
-    home_max = home_stats["24h"] if home_stats else 0.0
+                msg.append("🏠 <b>CASA</b>")
-    SNOW_DETECTED = (home_max > SOGLIA_NOTIFICA or max_area_snow > SOGLIA_NOTIFICA)
+                msg.append(f"• 03h: <b>{casa['snow_3h']:.1f}</b> cm | 06h: <b>{casa['snow_6h']:.1f}</b> cm")
-    
+                msg.append(f"• 12h: <b>{casa['snow_12h']:.1f}</b> cm | 24h: <b>{casa['snow_24h']:.1f}</b> cm")
-    # Leggi stato precedente
+                if casa["triggered"]:
-    WAS_ACTIVE = load_last_state()
+                    msg.append(
-
+                        f"• Primo superamento soglia: <b>{html.escape(casa['first_thr_time'] or '—')}</b> "
-    # --- SCENARIO A: C'È NEVE (Nuova o Continua) ---
+                        f"({casa['first_thr_val']:.1f} cm/h)"
-    if SNOW_DETECTED:
-        
-        def f(v): return f"**{v:.1f}**" if v > 0 else f"{v:.1f}"
-
-        msg = f"❄️ **ALLERTA NEVE (AROME HD)**\n📅 _Aggiornamento ore {now_str}_\n\n"
-        
-        if home_stats:
-            msg += f"🏠 **CASA:**\n"
-            msg += f"• 03h: {f(home_stats['3h'])} cm\n"
-            msg += f"• 06h: {f(home_stats['6h'])} cm\n"
-            msg += f"• 12h: {f(home_stats['12h'])} cm\n"
-            msg += f"• 24h: {f(home_stats['24h'])} cm\n\n"
-        
-        if area_details:
-            msg += f"🌍 **NEL CIRCONDARIO (24h):**\n"
-            msg += f"`{area_details}`"
-        else:
-            msg += "🌍 Nessuna neve rilevante nei dintorni."
-
-        send_telegram_message(msg)
-        save_current_state(True) # Salva che l'allerta è attiva
-        print("Neve rilevata. Notifica inviata.")
-
-    # --- SCENARIO B: ALLARME RIENTRATO (Neve 0, ma prima c'era) ---
-    elif not SNOW_DETECTED and WAS_ACTIVE:
-        msg = (
-            f"🟢 **PREVISIONE NEVE ANNULLATA**\n"
-            f"📅 _Aggiornamento ore {now_str}_\n\n"
-            f"Le ultime previsioni AROME non indicano più accumuli nevosi rilevanti nelle prossime 24 ore.\n"
-            f"Situazione tornata alla normalità."
                     )
-        send_telegram_message(msg)
+                if casa["peak_hourly"] > 0:
-        save_current_state(False) # Resetta lo stato
+                    msg.append(f"• Picco orario: <b>{casa['peak_hourly']:.1f}</b> cm/h (~{html.escape(casa['peak_time'] or '—')})")
-        print("Allarme rientrato. Notifica inviata.")
+                msg.append("")
 
-    # --- SCENARIO C: TUTTO TRANQUILLO (E lo era anche prima) ---
+            msg.append("🌍 <b>NEL CIRCONDARIO</b>")
+            lines = []
+            for s in summaries:
+                if not s["triggered"]:
+                    continue
+                lines.append(
+                    f"{s['name']}: primo > soglia alle {s['first_thr_time'] or '—'} "
+                    f"({s['first_thr_val']:.1f} cm/h), picco {s['peak_hourly']:.1f} cm/h, 24h {s['snow_24h']:.1f} cm"
+                )
+
+            if lines:
+                msg.append("<pre>" + html.escape("\n".join(lines)) + "</pre>")
             else:
-        # Aggiorna timestamp ma mantieni false
+                msg.append("Nessun punto ha superato la soglia (anomalia).")
-        save_current_state(False)
+
-        print(f"Nessuna neve. Casa: {home_max}cm, Area: {max_area_snow}cm")
+            msg.append("<i>Fonte dati: Open-Meteo</i>")
+
+            ok = telegram_send_html("<br/>".join(msg))
+            if ok:
+                LOGGER.info("Notifica neve inviata.")
+            else:
+                LOGGER.warning("Notifica neve NON inviata (token mancante o errore Telegram).")
+
+            save_state(True, sig)
+        else:
+            LOGGER.info("Allerta già notificata e invariata.")
+        return
+
+    # --- Scenario B: rientro (nessun superamento) ---
+    if was_active and not any_trigger:
+        msg = (
+            "🟢 <b>PREVISIONE NEVE ANNULLATA</b><br/>"
+            f"🕒 <i>Aggiornamento ore {html.escape(now_str)}</i><br/><br/>"
+            f"Nelle prossime {HOURS_AHEAD} ore non risultano ore con snowfall &gt; {SNOW_HOURLY_THRESHOLD_CM:.1f} cm/h.<br/>"
+            "<i>Fonte dati: Open-Meteo</i>"
+        )
+        ok = telegram_send_html(msg)
+        if ok:
+            LOGGER.info("Rientro neve notificato.")
+        else:
+            LOGGER.warning("Rientro neve NON inviato (token mancante o errore Telegram).")
+        save_state(False, "")
+        return
+
+    # --- Scenario C: tranquillo ---
+    save_state(False, "")
+    top = sorted(summaries, key=lambda x: x["snow_24h"], reverse=True)[:3]
+    LOGGER.info(
+        "Nessuna neve sopra soglia. Top accumuli 24h: %s",
+        " | ".join(f"{t['name']}={t['snow_24h']:.1f}cm (pk {t['peak_hourly']:.1f}cm/h)" for t in top)
+    )
+
 
 if __name__ == "__main__":
     analyze_snow()