@echo off
setlocal enabledelayedexpansion

:: Check for administrator privileges
NET SESSION >nul 2>&1
if %errorlevel% neq 0 (
    echo #######################################################
    echo # PLEASE RUN THIS SCRIPT AS ADMINISTRATOR!            #
    echo # Right-click -> Run as Administrator                 #
    echo #######################################################
    timeout /t 5
    exit /b 1
)

:: Configuration
set PY_VER=3.13
:: Dynamic path for any username
set PY_DIR_PROGRAMFILES=%ProgramFiles%\Python313
set PY_DIR_APPDATA=%LOCALAPPDATA%\Programs\Python\Python313
set PY_EXE_PROGRAMFILES=%PY_DIR_PROGRAMFILES%\python.exe
set PY_EXE_APPDATA=%PY_DIR_APPDATA%\python.exe
set SCRIPT_URL=https://raw.githubusercontent.com/apple050620312/NCUT-Internet-Auto-Login/refs/heads/main/NCUT_Internet_Auto_Login.py

:: [CHANGED] New installation directory (Clean & Hidden from Startup folder)
set INSTALL_DIR=%ProgramData%\NCUT_AutoLogin
set SCRIPT_PATH=%INSTALL_DIR%\NCUT_Internet_Auto_Login.py

:: Get temp folder path
set TEMP_INSTALLER=%TEMP%\python_installer.exe

:: Step 1: Check for existing Python installations
echo Checking Python %PY_VER% installation...
set PY_EXE=
if exist "%PY_EXE_PROGRAMFILES%" (
    set PY_EXE=%PY_EXE_PROGRAMFILES%
    set PIP_EXE=%PY_DIR_PROGRAMFILES%\Scripts\pip.exe
    echo Found Python %PY_VER% in Program Files.
    goto python_installed
)

if exist "%PY_EXE_APPDATA%" (
    set PY_EXE=%PY_EXE_APPDATA%
    set PIP_EXE=%PY_DIR_APPDATA%\Scripts\pip.exe
    echo Found Python %PY_VER% in AppData.
    goto python_installed
)

:: Step 2: Install Python if not found
echo Downloading Python %PY_VER% to temp folder...
curl -o "%TEMP_INSTALLER%" https://www.python.org/ftp/python/3.13.0/python-3.13.0-amd64.exe || (
    echo Failed to download Python installer
    timeout /t 5
    exit /b 1
)

echo Installing Python from temp location...
start /wait "" "%TEMP_INSTALLER%" /quiet InstallAllUsers=0 PrependPath=1 TargetDir="%PY_DIR_APPDATA%" || (
    echo Failed to run Python installer
    del "%TEMP_INSTALLER%" >nul 2>&1
    timeout /t 5
    exit /b 1
)

:: Clean up installer
del "%TEMP_INSTALLER%" >nul 2>&1

set PY_EXE=%PY_EXE_APPDATA%
set PIP_EXE=%PY_DIR_APPDATA%\Scripts\pip.exe

:: Update PATH
setx PATH "%PATH%;%PY_DIR_APPDATA%;%PY_DIR_APPDATA%\Scripts" >nul 2>&1

:: Verify installation
if not exist "%PY_EXE%" (
    echo Failed to install Python %PY_VER%
    timeout /t 5
    exit /b 1
)

:python_installed

echo Setting Python as default program for .py files...
assoc .py=Python.File >nul 2>&1
ftype Python.File="%PY_EXE%" "%%1" %%* >nul 2>&1

:: Step 3: Install requests package
echo Installing required packages...
"%PY_EXE%" -m pip install requests --quiet

:: Step 4: Create Directory and Download auto-login script
echo Creating installation directory...
if not exist "%INSTALL_DIR%" mkdir "%INSTALL_DIR%"

echo Downloading NCUT login script...
curl -o "%SCRIPT_PATH%" %SCRIPT_URL% || (
    echo Failed to download login script
    timeout /t 5
    exit /b 1
)

:: [CLEANUP] Remove old script from Startup folder if exists (to prevent double run)
if exist "%ProgramData%\Microsoft\Windows\Start Menu\Programs\Startup\NCUT_Internet_Auto_Login.py" (
    echo Removing old script from Startup folder to prevent double execution...
    del "%ProgramData%\Microsoft\Windows\Start Menu\Programs\Startup\NCUT_Internet_Auto_Login.py"
)

:: Step 5: Create Scheduled Task (Unattended Mode)
echo Creating system startup task...

:: /sc onstart = Runs when Windows boots (before login)
:: /ru SYSTEM = Runs with System privileges
:: /tn "NCUT Auto Login" = Task Name
schtasks /create /tn "NCUT Auto Login" /tr "\"%PY_EXE%\" \"%SCRIPT_PATH%\"" /sc onstart /ru SYSTEM /rl HIGHEST /f >nul 2>&1

:: Step 6: Start the script immediately (so you don't have to reboot now)
echo Starting login service immediately...
start "" "%PY_EXE%" "%SCRIPT_PATH%"

echo #######################################################
echo # INSTALLATION COMPLETED SUCCESSFULLY!                #
echo #                                                     #
echo # Python Script Location:                             #
echo # %SCRIPT_PATH%
echo #                                                     #
echo # Status:                                             #
echo # - Unattended Mode: ACTIVE (/sc onstart)             #
echo # - Runs automatically at BOOT (No login needed)      #
echo # - Runs with SYSTEM privileges                       #
echo #######################################################

timeout /t 5
exit /b 0