#!/bin/bash
# home-router-watchdog.sh — Check home router via WireGuard tunnel
# Silent on success (no_agent mode). Alerts only on failure.

TUNNEL_IP="10.77.0.2"
PING_COUNT=6
PING_INTERVAL=10
SUCCESS=0

for i in $(seq 1 $PING_COUNT); do
    if ping -c 1 -W 5 "$TUNNEL_IP" >/dev/null 2>&1; then
        SUCCESS=$((SUCCESS + 1))
        if [ "$SUCCESS" -ge 2 ]; then
            exit 0
        fi
    fi
    sleep "$PING_INTERVAL"
done

echo "[-] Home router offline — not responding through WireGuard tunnel"
echo "[-] Router IP: $TUNNEL_IP"
exit 1