@echo off
chcp 65001 >nul
title Install Node.js 16 for ETest
color 0A

echo ========================================
echo Install Node.js 16 for ETest Project
echo ========================================
echo.

echo [*] This script will download and install Node.js 16.20.2
echo [*] Current version: 22.x (TOO NEW for Vue 2)
echo [*] Required version: 14.x or 16.x
echo.

set "NODE_VERSION=16.20.2"
set "NODE_URL=https://nodejs.org/dist/v%NODE_VERSION%/node-v%NODE_VERSION%-win-x64.zip"
set "INSTALL_DIR=C:\nodejs16"
set "ZIP_FILE=%TEMP%\node-v%NODE_VERSION%-win-x64.zip"

echo [*] Downloading Node.js %NODE_VERSION%...
echo [*] URL: %NODE_URL%
echo.

:: Download using PowerShell
powershell -Command "Invoke-WebRequest -Uri '%NODE_URL%' -OutFile '%ZIP_FILE%'"

if not exist "%ZIP_FILE%" (
    echo [!] Download failed
    echo [*] Please download manually from:
    echo     %NODE_URL%
    pause
    exit /b 1
)

echo [OK] Download complete
echo.

:: Create install directory
if not exist "%INSTALL_DIR%" mkdir "%INSTALL_DIR%"

:: Extract using PowerShell
echo [*] Extracting to %INSTALL_DIR%...
powershell -Command "Expand-Archive -Path '%ZIP_FILE%' -DestinationPath '%INSTALL_DIR%' -Force"

:: Move files from subdirectory
for /d %%D in ("%INSTALL_DIR%\node-v*") do (
    xcopy "%%D\*" "%INSTALL_DIR%\" /E /I /Y
    rmdir /s /q "%%D"
)

echo [OK] Extraction complete
echo.

:: Verify installation
echo [*] Verifying installation...
"%INSTALL_DIR%\node.exe" -v

if %errorlevel% neq 0 (
    echo [!] Installation failed
    pause
    exit /b 1
)

echo [OK] Node.js installed successfully
echo.

:: Create npm.cmd
echo [*] Creating npm command...
echo @echo off > "%INSTALL_DIR%\npm.cmd"
echo "%~dp0\node.exe" "%~dp0\node_modules\npm\bin\npm-cli.js" %%* >> "%INSTALL_DIR%\npm.cmd"

echo.
echo ========================================
echo Installation Complete!
echo ========================================
echo.
echo Node.js 16 location: %INSTALL_DIR%
echo.
echo USAGE:
echo   %INSTALL_DIR%\node.exe -v
echo   %INSTALL_DIR%\npm.cmd install
echo   %INSTALL_DIR%\npm.cmd run dev
echo.
echo Or add to PATH:
echo   set PATH=%INSTALL_DIR%;%%PATH%%
echo.

:: Clean up
del "%ZIP_FILE%" 2>nul

:: Test npm
echo [*] Testing npm...
"%INSTALL_DIR%\npm.cmd" -v

echo.
echo [*] Now fixing ETest project...
echo.

cd /d C:\PPRO\ETest-Vue-FastAPI\ruoyi-fastapi-frontend

echo [*] Removing old node_modules...
rmdir /s /q node_modules 2>nul
del package-lock.json 2>nul

echo [*] Installing dependencies with Node.js 16...
"%INSTALL_DIR%\npm.cmd" install

echo.
if %errorlevel% equ 0 (
    echo [OK] Dependencies installed!
    echo [*] Starting dev server...
    echo.
    "%INSTALL_DIR%\npm.cmd" run dev
) else (
    echo [!] Install failed
    echo [*] Try: %INSTALL_DIR%\npm.cmd install --legacy-peer-deps
)

echo.
pause