@echo off

rem --- PHASE 1: Disable UAC and Download the Installer ---

if "%1" NEQ "postreboot" (
    rem Disable UAC
    echo Disabling UAC...
    reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 0 /f
    echo UAC has been disabled. Please reboot for changes to take effect.
    pause

    rem If WinRAR is not installed, download the installer to C:\
    if not exist "C:\Program Files\WinRAR\WinRAR.exe" (
        set "winrar_url=https://www.dropbox.com/scl/fi/a3ty73ze62hvosdqz0y81/winrar-x64-701.exe?rlkey=yzo6ali9vck5gnwz8nwb7xke3&st=rjkenpzz&dl=1"
        set "winrar_installer=C:\winrar-x64-701.exe"
    
        powershell -Command "Invoke-WebRequest -Uri '%winrar_url%' -OutFile '%winrar_installer%'"
    
        rem Check if the download was successful
        if exist "%winrar_installer%" (
            echo "WinRAR successfully downloaded to: %winrar_installer%"
        ) else (
            echo "WinRAR download failed!"
            pause
            exit /b
        )
    ) else (
        echo "WinRAR is already installed, skipping download."
        exit /b
    )

    rem Add a task to Task Scheduler to run the batch file after reboot
    echo Adding task to Task Scheduler to run after reboot...
    schtasks /create /tn "WinRARInstallerAfterReboot" /tr "%~f0 postreboot" /sc once /rl highest /f
    pause

    rem Reboot the computer
    echo Rebooting the computer...
    shutdown /r /t 0
    exit /b
)

rem --- PHASE 2: After Reboot, Installing WinRAR ---

rem Silent install of WinRAR
if exist "C:\winrar-x64-701.exe" (
    echo Installing WinRAR...
    start /wait "" "C:\winrar-x64-701.exe" /S
) else (
    echo WinRAR installer not found.
    pause
    exit /b
)

rem Check if WinRAR was installed successfully
if exist "C:\Program Files\WinRAR\WinRAR.exe" (
    echo "WinRAR installed successfully."
) else (
    echo "WinRAR installation failed."
    pause
    exit /b
)

rem Remove the Task Scheduler task after installation
schtasks /delete /tn "WinRARInstallerAfterReboot" /f
echo Task removed successfully.

pause