@echo off
REM 安装 Flutter SDK on Windows

REM 设置安装目录
set FLUTTER_DIR=C:\flutter

REM 检查是否已安装 Flutter
where flutter >nul 2>nul
if %errorlevel% == 0 (
    echo Flutter 已安装，正在检查版本...
    flutter --version
    goto :end
)

REM 如果未安装，下载 Flutter SDK
echo 下载 Flutter SDK...
powershell -Command "Invoke-WebRequest -Uri 'https://storage.googleapis.com/flutter_infra_release/releases/stable/windows/flutter_windows_3.35.5-stable.zip' -OutFile 'flutter.zip'"

REM 创建目录
if not exist "%FLUTTER_DIR%" mkdir "%FLUTTER_DIR%"

REM 解压
echo 解压 Flutter SDK 到 %FLUTTER_DIR%...
powershell -Command "Expand-Archive -Path 'flutter.zip' -DestinationPath '%FLUTTER_DIR%' -Force"

REM 添加到 PATH（临时）
set PATH=%FLUTTER_DIR%\flutter\bin;%PATH%

REM 永久添加 PATH（需要管理员权限）
echo 请手动将 %FLUTTER_DIR%\flutter\bin 添加到系统 PATH 环境变量。
echo 或者运行以下命令作为管理员：
echo setx /M PATH "%PATH%;%FLUTTER_DIR%\flutter\bin"

REM 运行 flutter doctor
flutter doctor

REM 清理
del flutter.zip

:end
pause