@echo off
chcp 65001 >nul
echo ========================================
echo   IoT SaaS 后端服务启动脚本 (Java 17)
echo ========================================
echo.

:: Java 17 路径
set JAVA17=C:\Program Files\Eclipse Adoptium\jdk-17.0.19.10-hotspot\bin\java.exe

:: 检查Java 17是否存在
if not exist "%JAVA17%" (
    echo [错误] 找不到 Java 17: %JAVA17%
    echo 请确认 JDK 17 已安装在此路径
    pause
    exit /b 1
)

:: JAR文件路径
set JAR_FILE=%~dp0backend\iot-device\target\iot-device-1.0.0-exec.jar

:: 检查JAR文件是否存在
if not exist "%JAR_FILE%" (
    echo [错误] 找不到JAR文件: %JAR_FILE%
    echo 请先执行编译: mvn -f backend/pom.xml package -DskipTests
    pause
    exit /b 1
)

:: 检查9081端口是否被占用
netstat -ano | findstr ":9081.*LISTENING" >nul 2>&1
if %errorlevel%==0 (
    echo [警告] 端口 9081 已被占用，尝试结束旧进程...
    for /f "tokens=5" %%a in ('netstat -ano ^| findstr ":9081.*LISTENING"') do (
        taskkill /F /PID %%a >nul 2>&1
    )
    timeout /t 2 /nobreak >nul
)

echo [信息] 使用Java版本:
"%JAVA17%" -version 2>&1 | findstr /i "version"
echo.
echo [信息] 启动后端服务...
echo [信息] JAR文件: %JAR_FILE%
echo [信息] 监听端口: 9081
echo.
echo 按 Ctrl+C 停止服务
echo ========================================
echo.

:: 启动后端
"%JAVA17%" -jar "%JAR_FILE%"

pause