#!/bin/bash
# Monitor system temperatures
set -euo pipefail

SEND_NTFY="/usr/local/bin/send-ntfy.sh"

# Check if sensors command exists
if ! command -v sensors &>/dev/null; then
    # Try to install lm-sensors
    apt-get install -y lm-sensors >/dev/null 2>&1 || logger -t temp-monitor "Cannot install lm-sensors"
    exit 0
fi

# Get CPU temperature
TEMPS=$(sensors 2>/dev/null | grep -E "Core.*:.*°C" || echo "")

if [ -n "$TEMPS" ]; then
    # Extract highest temperature
    MAX_TEMP=$(echo "$TEMPS" | grep -oP '\+\K[0-9]+' | sort -n | tail -1)
    
    if [ "$MAX_TEMP" -gt 90 ]; then
        $SEND_NTFY critical "Temperature Critical" "🔴 CRITICAL: PVE CPU temperature at ${MAX_TEMP}°C! System may shut down!" "fire,skull,thermometer"
    elif [ "$MAX_TEMP" -gt 80 ]; then
        $SEND_NTFY warning "Temperature High" "🟡 WARNING: PVE CPU temperature at ${MAX_TEMP}°C - check cooling" "fire,warning,thermometer"
    fi
    
    logger -t temp-monitor "Max CPU temp: ${MAX_TEMP}°C"
else
    logger -t temp-monitor "No temperature sensors found"
fi