@echo off
:: ==================================================================
:: Add India Post related hosts entries to Windows hosts file
:: ==================================================================

:: Check for administrator privileges
NET SESSION >NUL 2>&1
IF %ERRORLEVEL% NEQ 0 (
    ECHO Requesting administrative privileges...
    powershell -Command "Start-Process '%~f0' -Verb RunAs"
    EXIT /B
)

SETLOCAL ENABLEDELAYEDEXPANSION

:: Path to hosts file
SET HOSTS_FILE=%SystemRoot%\System32\drivers\etc\hosts

:: Temporary file for backup
SET BACKUP_FILE=%HOSTS_FILE%_backup_%DATE:~6,4%-%DATE:~3,2%-%DATE:~0,2%.bak

ECHO Creating backup: %BACKUP_FILE%
COPY /Y "%HOSTS_FILE%" "%BACKUP_FILE%" >NUL

:: Comment header
ECHO.>>"%HOSTS_FILE%"
ECHO # ===== Added by India Post Configuration on %DATE% =====>>"%HOSTS_FILE%"

:: Add entries (IP + Hostname on same line)
CALL :AddHost "172.16.20.40" "dpdcpfjc.fsi.indiapost.gov.in"
CALL :AddHost "172.18.68.34" "dpdcpflmis.fsi.indiapost.gov.in"
CALL :AddHost "45.127.75.252" "app.indiapost.gov.in"
CALL :AddHost "169.148.142.41" "accounts.mgovcloud.in"
CALL :AddHost "169.148.142.38" "mail.mgovcloud.in"
CALL :AddHost "169.148.142.38" "workplace.mgovcloud.in"
CALL :AddHost "169.148.142.38" "mail.gov.in"
CALL :AddHost "172.23.228.110" "cbslb001.ippb.in"

ECHO.
ECHO ------------------------------------------------------
ECHO All entries processed successfully.
ECHO ------------------------------------------------------
PAUSE
EXIT /B

:AddHost
SET IP=%~1
SET HOST=%~2
FIND /I "%HOST%" "%HOSTS_FILE%" >NUL
IF %ERRORLEVEL% EQU 0 (
    ECHO [SKIP] Entry already exists for %HOST%
) ELSE (
    ECHO %IP% %HOST%>>"%HOSTS_FILE%"
    ECHO [ADDED] %IP% %HOST%
)
EXIT /B