@echo off
setlocal EnableDelayedExpansion

:: Set log file location
set "LOGFILE=internet_log.txt"
set "TARGET=8.8.8.8"  :: Google's DNS server - reliable target
set "INTERVAL=60"     :: Seconds between checks (1 minute)

:: Check if log file exists, if not create it with header
if not exist "%LOGFILE%" (
    echo Internet Monitoring Log > "%LOGFILE%"
    echo Started: %date% %time% >> "%LOGFILE%"
    echo ----------------------------------- >> "%LOGFILE%"
)

echo Internet Monitoring Started...
echo Logging to: %LOGFILE%
echo Press Ctrl+C to stop.

:monitor_loop
:: Get current timestamp
set "TIMESTAMP=%date% %time%"

:: Ping the target (1 attempt, timeout 2 seconds)
ping -n 1 -w 2000 %TARGET% | find "TTL=" >nul
if !errorlevel! equ 0 (
    set "STATUS=ONLINE"
) else (
    set "STATUS=OFFLINE"
)

:: Log the result
echo !TIMESTAMP! - Status: !STATUS! >> "%LOGFILE%"
echo !TIMESTAMP! - Status: !STATUS!

:: Wait for the specified interval
timeout /t %INTERVAL% /nobreak >nul
goto monitor_loop

:end
echo Monitoring stopped.
pause