start-local.bat

@echo off
echo Offline LeetCode Practice System - Local Startup
echo ===================================================
echo.

REM Support a non-interactive mode for automation/CI
REM Usage: start-local.bat --yes  OR  set START_LOCAL_NONINTERACTIVE=1 && start-local.bat
set NONINTERACTIVE=0
if /I "%1"=="--yes" set NONINTERACTIVE=1
if /I "%1"=="-y" set NONINTERACTIVE=1
if defined START_LOCAL_NONINTERACTIVE (
    if "%START_LOCAL_NONINTERACTIVE%"=="1" set NONINTERACTIVE=1
)

REM First-run check: interactive AI configuration for .env (or copy from .env.example in non-interactive)
if not exist ".env" (
    if "%NONINTERACTIVE%"=="1" (
        echo No .env file found - non-interactive mode enabled.
        if exist ".env.example" (
            copy /Y ".env.example" ".env" >nul
            echo .env created from .env.example (non-interactive). Edit .env to change settings.
        ) else (
            echo No .env.example found - creating minimal .env with defaults and empty keys.
            >.env echo # Generated by start-local.bat (non-interactive)
            >>.env echo # AI provider configuration
            >>.env echo OPENAI_MODEL=gpt-4-turbo
            >>.env echo OPENAI_API_KEY=
            >>.env echo DEEPSEEK_MODEL=deepseek-chat
            >>.env echo DEEPSEEK_API_KEY=
            >>.env echo QWEN_MODEL=qwen-turbo
            >>.env echo QWEN_API_KEY=
            >>.env echo CLAUDE_MODEL=claude-3-haiku-20240307
            >>.env echo CLAUDE_API_KEY=
            >>.env echo OLLAMA_ENDPOINT=http://localhost:11434
            >>.env echo OLLAMA_MODEL=llama3
            >>.env echo # Note: To change AI configuration later, edit the .env file.
        )
    ) else (
        echo No .env file found - first time startup.
        set /p enable_ai="Would you like to enable AI features? [Y/n]: "
        if "%enable_ai%"=="" set enable_ai=Y
        for /f "tokens=*" %%A in ('echo %enable_ai%') do set enable_ai=%%A

        if /I "%enable_ai%"=="Y" (
            echo Creating .env and configuring AI providers...
            >.env echo # Generated by start-local.bat
            >>.env echo # AI provider configuration

            REM OpenAI
            set /p use_openai="Enable OpenAI? [Y/n]: "
            if "%use_openai%"=="" set use_openai=Y
            if /I "%use_openai%"=="Y" (
                set /p openai_model="OpenAI model (default: gpt-4-turbo): "
                if "%openai_model%"=="" set openai_model=gpt-4-turbo
                set /p openai_key="OpenAI API key (paste and press Enter): "
                >>.env echo OPENAI_MODEL=%openai_model%
                >>.env echo OPENAI_API_KEY=%openai_key%
            ) else (
                >>.env echo OPENAI_API_KEY=
            )

            REM DeepSeek
            set /p use_deepseek="Enable DeepSeek? [y/N]: "
            if "%use_deepseek%"=="" set use_deepseek=N
            if /I "%use_deepseek%"=="Y" (
                set /p deepseek_model="DeepSeek model (default: deepseek-chat): "
                if "%deepseek_model%"=="" set deepseek_model=deepseek-chat
                set /p deepseek_key="DeepSeek API key (paste and press Enter): "
                >>.env echo DEEPSEEK_MODEL=%deepseek_model%
                >>.env echo DEEPSEEK_API_KEY=%deepseek_key%
            ) else (
                >>.env echo DEEPSEEK_API_KEY=
            )

            REM Qwen
            set /p use_qwen="Enable Qwen? [y/N]: "
            if "%use_qwen%"=="" set use_qwen=N
            if /I "%use_qwen%"=="Y" (
                set /p qwen_model="Qwen model (default: qwen-turbo): "
                if "%qwen_model%"=="" set qwen_model=qwen-turbo
                set /p qwen_key="Qwen API key (paste and press Enter): "
                >>.env echo QWEN_MODEL=%qwen_model%
                >>.env echo QWEN_API_KEY=%qwen_key%
            ) else (
                >>.env echo QWEN_API_KEY=
            )

            REM Claude
            set /p use_claude="Enable Claude (Anthropic)? [y/N]: "
            if "%use_claude%"=="" set use_claude=N
            if /I "%use_claude%"=="Y" (
                set /p claude_model="Claude model (default: claude-3-haiku-20240307): "
                if "%claude_model%"=="" set claude_model=claude-3-haiku-20240307
                set /p claude_key="Claude API key (paste and press Enter): "
                >>.env echo CLAUDE_MODEL=%claude_model%
                >>.env echo CLAUDE_API_KEY=%claude_key%
            ) else (
                >>.env echo CLAUDE_API_KEY=
            )

            REM Ollama (endpoint + model)
            set /p use_ollama="Enable Ollama? [y/N]: "
            if "%use_ollama%"=="" set use_ollama=N
            if /I "%use_ollama%"=="Y" (
                set /p ollama_endpoint="Ollama endpoint (default: http://localhost:11434): "
                if "%ollama_endpoint%"=="" set ollama_endpoint=http://localhost:11434
                set /p ollama_model="Ollama model (default: llama3): "
                if "%ollama_model%"=="" set ollama_model=llama3
                >>.env echo OLLAMA_ENDPOINT=%ollama_endpoint%
                >>.env echo OLLAMA_MODEL=%ollama_model%
            ) else (
                >>.env echo OLLAMA_ENDPOINT=
                >>.env echo OLLAMA_MODEL=
            )

            >>.env echo.
            >>.env echo # Note: To change AI configuration later, edit the .env file.
            echo AI configuration complete. .env created.
        ) else (
            echo AI features will be disabled. Creating empty .env file.
            >.env echo # Generated by start-local.bat - AI disabled
            >>.env echo # To enable AI later, edit this .env and add API keys and models.
        )
    )
) else (
    echo .env exists - skipping AI configuration step. If you want to change AI settings, edit the .env file.
)

REM Check if Node.js is installed
node --version >nul 2>&1
if %errorlevel% neq 0 (
    echo Error: Node.js not found
    echo Please install Node.js: https://nodejs.org
    pause
    exit /b 1
)

echo Node.js installed: 
node --version

REM Check if npm is installed
where npm >nul 2>&1
if %errorlevel% neq 0 (
    echo Error: npm not found
    echo Please install npm
    pause
    exit /b 1
)

echo npm installed: 
npm --version

REM Check if dependencies are installed
if not exist "node_modules\" (
    echo Installing dependencies...
    npm install
    if %errorlevel% neq 0 (
        echo Failed to install dependencies
        pause
        exit /b 1
    )
    echo Dependencies installed successfully
)

REM Check if project is built
if not exist ".next\" (
    echo Building application...
    npm run build
    if %errorlevel% neq 0 (
        echo Build failed
        pause
        exit /b 1
    )
    echo Build completed successfully
)

echo.
echo Starting application...
echo URL: http://localhost:3000
echo.
echo Usage Instructions:
echo    - Open http://localhost:3000 in your browser
echo    - Fully local execution, no external network required
echo    - Press Ctrl+C to stop the server
echo    - To add problems: Edit public/problems.json (see MODIFY-PROBLEMS-GUIDE.md)
echo    - To change AI settings: Edit the .env file
echo    - Changes take effect immediately without rebuilding!
echo.

REM Start the application
npm start