@echo off
echo ========================================
echo Family Hub - Prerequisites Check
echo ========================================
echo.

set PYTHON_OK=0
set NODE_OK=0
set NPM_OK=0

REM Check Python
echo [1/3] Checking Python...
where python >nul 2>nul
if %ERRORLEVEL% EQU 0 (
    for /f "tokens=*" %%i in ('python --version 2^>^&1') do set PYTHON_VERSION=%%i
    echo     [OK] !PYTHON_VERSION!
    set PYTHON_OK=1
) else (
    echo     [MISSING] Python not found in PATH
    echo     Download from: https://www.python.org/downloads/
)
echo.

REM Check Node.js
echo [2/3] Checking Node.js...
where node >nul 2>nul
if %ERRORLEVEL% EQU 0 (
    for /f "tokens=*" %%i in ('node --version 2^>^&1') do set NODE_VERSION=%%i
    echo     [OK] Node.js !NODE_VERSION!
    set NODE_OK=1
) else (
    echo     [MISSING] Node.js not found in PATH
    echo     Download from: https://nodejs.org/
)
echo.

REM Check npm
echo [3/3] Checking npm...
where npm >nul 2>nul
if %ERRORLEVEL% EQU 0 (
    for /f "tokens=*" %%i in ('npm --version 2^>^&1') do set NPM_VERSION=%%i
    echo     [OK] npm v!NPM_VERSION!
    set NPM_OK=1
) else (
    echo     [MISSING] npm not found in PATH
    echo     (npm is included with Node.js)
)
echo.

REM Summary
echo ========================================
echo Summary
echo ========================================
if %PYTHON_OK%==1 (
    echo Python:  [OK]
) else (
    echo Python:  [MISSING]
)

if %NODE_OK%==1 (
    echo Node.js: [OK]
) else (
    echo Node.js: [MISSING]
)

if %NPM_OK%==1 (
    echo npm:     [OK]
) else (
    echo npm:     [MISSING]
)

echo.

if %PYTHON_OK%==1 if %NODE_OK%==1 if %NPM_OK%==1 (
    echo ========================================
    echo All prerequisites installed!
    echo ========================================
    echo.
    echo You can now proceed with:
    echo 1. download-source.bat
    echo 2. setup.bat
    echo.
) else (
    echo ========================================
    echo Some prerequisites are missing!
    echo ========================================
    echo.
    echo Please install the missing software:
    if %PYTHON_OK%==0 echo - Python 3.9+ from https://www.python.org/downloads/
    if %NODE_OK%==0 echo - Node.js 16+ from https://nodejs.org/
    echo.
    echo Make sure to check "Add to PATH" during installation!
    echo.
)

pause