#!/bin/bash

set -x

# Function to get the default gateway IP address
get_gateway_ip() {
    gateway_ip=$(ip route | awk '/default/ {print $3}')
    echo "$gateway_ip"
}

# Assign the gateway IP address automatically
gateway_ip=$(get_gateway_ip)

# Array of IP addresses to ping, including the gateway IP
ip_addresses=("9.9.9.9" "8.8.8.8" "1.1.1.1")
if [ -n "$gateway_ip" ]; then
    ip_addresses+=("$gateway_ip")
fi

# CSV file to store ping results
csv_file="ping_data.csv"

# Check if the CSV file already exists
if [ ! -e "$csv_file" ]; then
    # Create the CSV file with a header including a timestamp column
    echo "Timestamp,IP Address,Status" > "$csv_file"
fi

# Function to ping an IP address and log the result to the CSV file
ping_ip() {
    ip="$1"
    result=$(ping -c 4 -i 0.2 -q "$ip" | tail -1)
    if [ $? -eq 0 ]; then
        if [ "$ip" == "$gateway_ip" ]; then
            status="1" # Gateway IP is "1" for successful pings
        else
            status="2" # Other IP addresses are "2" for successful pings
        fi
    else
        status="0" # Network is not reachable
    fi
    timestamp=$(date +"%Y-%m-%d %H:%M:%S")
    echo "$timestamp,$ip,$status" >> "$csv_file"
}

# Loop through the IP addresses and ping them periodically
while true; do
    for ip in "${ip_addresses[@]}"; do
        ping_ip "$ip"
    done
    sleep 60  # Ping every 60 seconds, adjust as needed
done