install.bat

@echo off
REM FPPT One-Click Install for Windows
REM Requires: Python 3.10+

echo ========================================
echo   FPPT Installer (Windows)
echo ========================================
echo.

REM Step 1: Check Python version (multi-command detection + auto-install)
echo [1/5] Checking Python...

set "PYTHON_CMD="

REM Try py -3 first (Windows Python Launcher, always on PATH)
py -3 --version >nul 2>&1
if %errorlevel% equ 0 (
    set "PYTHON_CMD=py -3"
    goto :python_found
)

REM Try python3
python3 --version >nul 2>&1
if %errorlevel% equ 0 (
    set "PYTHON_CMD=python3"
    goto :python_found
)

REM Try python
python --version >nul 2>&1
if %errorlevel% equ 0 (
    set "PYTHON_CMD=python"
    goto :python_found
)

REM --- Python not found. Try winget auto-install. ---
echo   Python not found on this system.

winget --version >nul 2>&1
if %errorlevel% neq 0 goto :winget_not_found

echo.
echo   ======================================================
echo   Found winget package manager.
echo   I can install Python 3.12 automatically for you.
echo.
echo   Press any key to install Python 3.12 now,
echo   or press Ctrl+C to cancel and install manually.
echo   ======================================================
pause >nul

echo.
echo   Installing Python 3.12 via winget...
echo   (This may take a few minutes)
winget install --id Python.Python.3.12 --accept-source-agreements --accept-package-agreements --disable-interactivity

if %errorlevel% neq 0 (
    echo   WARNING: winget returned an error. Trying to continue anyway...
)

REM Add winget default install location to current session PATH
set "PATH=%LOCALAPPDATA%\Programs\Python\Python312;%LOCALAPPDATA%\Programs\Python\Python312\Scripts;%PATH%"

REM Re-check for python
python --version >nul 2>&1
if %errorlevel% equ 0 (
    set "PYTHON_CMD=python"
    goto :python_found
)

REM Try py launcher again
py -3 --version >nul 2>&1
if %errorlevel% equ 0 (
    set "PYTHON_CMD=py -3"
    goto :python_found
)

REM Try full path to known winget location
"%LOCALAPPDATA%\Programs\Python\Python312\python.exe" --version >nul 2>&1
if %errorlevel% equ 0 (
    set "PYTHON_CMD=%LOCALAPPDATA%\Programs\Python\Python312\python.exe"
    goto :python_found
)

echo   Install completed but Python cannot be found on PATH.
echo   Please restart your terminal and run install.bat again.
exit /b 1

:winget_not_found
echo.
echo   Please install Python 3.10+ manually:
echo     1. Visit https://www.python.org/downloads/
echo     2. Download the latest Python 3.12 installer
echo     3. Run the installer -- CHECK "Add Python to PATH"
echo     4. Restart your terminal
echo     5. Run install.bat again
exit /b 1

:python_found
REM Display version
%PYTHON_CMD% --version 2>&1
for /f "tokens=2" %%v in ('%PYTHON_CMD% --version 2^>^&1') do set PYVER=%%v
echo   Found Python %PYVER%

REM Version >= 3.10 check
%PYTHON_CMD% -c "import sys; sys.exit(0 if sys.version_info >= (3,10) else 1)"
if %errorlevel% neq 0 (
    echo ERROR: Python 3.10+ required. Found %PYVER%
    echo Please install Python 3.10 or newer from https://python.org
    exit /b 1
)

REM Step 2: Create virtual environment
echo [2/5] Creating virtual environment...
%PYTHON_CMD% -m venv venv
if %errorlevel% neq 0 (
    echo ERROR: Failed to create venv
    exit /b 1
)

REM Step 3: Install Python dependencies
echo [3/5] Installing Python dependencies...
venv\Scripts\pip install -r requirements.txt
if %errorlevel% neq 0 (
    echo ERROR: Failed to install dependencies
    exit /b 1
)

REM Step 4: Install Playwright browsers
echo [4/5] Installing Playwright Chromium...
venv\Scripts\playwright install chromium
if %errorlevel% neq 0 (
    echo WARNING: Playwright browser install failed. Some features may be unavailable.
)

REM Step 5: Verify
echo [5/5] Verifying installation...
venv\Scripts\python -c "import flask, pptx, yaml, requests, webview; print('OK')"
if %errorlevel% neq 0 (
    echo ERROR: Verification failed
    exit /b 1
)

echo.
echo ========================================
echo   Installation complete!
echo.
echo   Desktop: Double-click start.bat to launch FPPT Assistant
echo   AI Use: Import SKILL.md into your AI agent terminal
echo ========================================