uninstall.bat

:: Windows uninstaller script for PyNetDesign
:: This script removes associated Conda environments whose name starts with "pnd"
:: Run: uninstall.bat from cmd
:: D. Anikiev, 2025-04-01

@echo off
:: Delayed expansion is required because ENV_NAME and CONFIRM are both assigned and
:: read inside the for loop; with normal %VAR% expansion cmd would substitute their
:: pre-loop values and the script would never remove anything.
setlocal enabledelayedexpansion

set ENV_PATTERN=pnd
set ENV_FOUND=0

:: Check for Conda Installation
where conda >nul 2>nul
if %ERRORLEVEL% neq 0 (
    echo Conda is not installed or not found in the system PATH.
    echo Please install Conda and make sure it's added to the system PATH.
    pause
    exit /b 1
)

:: Find environments whose name starts with the pattern, anchored to the start of the
:: line so that an unrelated environment is not matched through its path
for /f "tokens=*" %%A in ('conda info --envs ^| findstr /r /c:"^%ENV_PATTERN%"') do (
    for /f "tokens=1" %%B in ("%%A") do (
        set "ENV_NAME=%%B"
        set "ENV_FOUND=1"
        echo Found Conda environment: "!ENV_NAME!"

        rem Ask user if they want to remove each environment
        set /p CONFIRM="Do you want to remove environment !ENV_NAME!? (y/n): "
        if /i "!CONFIRM!" == "y" (
            rem Deactivate any active environment before removal
            echo Deactivating any active Conda environment...
            call conda deactivate

            rem Remove the environment
            echo Removing Conda environment !ENV_NAME!...
            call conda remove -n !ENV_NAME! --all
            if !ERRORLEVEL! equ 0 (
                echo Conda environment !ENV_NAME! removed successfully.
            ) else (
                echo Failed to remove Conda environment !ENV_NAME!. Please check the error messages above.
                pause
                exit /b 3
            )
        ) else (
            echo Skipping Conda environment !ENV_NAME!.
        )
    )
)

:: Check if no matching environments were found
if %ENV_FOUND% equ 0 (
    echo No Conda environments matching "%ENV_PATTERN%*" were found.
) else (
    echo Done!
)

pause