$ErrorActionPreference = 'Continue'
$candidates = @(
  'E:\wwwroot\tools\apache-maven-3.9.9\bin\mvn.cmd',
  'C:\yutongda\tools\apache-maven-3.9.9\bin\mvn.cmd',
  'C:\Program Files\Apache\maven\bin\mvn.cmd'
)
foreach ($c in $candidates) {
  if (Test-Path $c) {
    Write-Host "FOUND=$c"
    & $c -v
    exit 0
  }
}
Write-Host 'NO_LOCAL_MAVEN'
# install under E:\wwwroot\tools
$tools = 'E:\wwwroot\tools'
New-Item -ItemType Directory -Force -Path $tools | Out-Null
$mvnHome = Join-Path $tools 'apache-maven-3.9.9'
$mvnCmd = Join-Path $mvnHome 'bin\mvn.cmd'
if (Test-Path $mvnCmd) { Write-Host "FOUND=$mvnCmd"; & $mvnCmd -v; exit 0 }
$zip = Join-Path $tools 'apache-maven-3.9.9-bin.zip'
$url2 = 'https://archive.apache.org/dist/maven/maven-3/3.9.9/binaries/apache-maven-3.9.9-bin.zip'
Write-Host 'downloading maven on remote...'
Invoke-WebRequest -Uri $url2 -OutFile $zip -UseBasicParsing
Expand-Archive -Path $zip -DestinationPath $tools -Force
if (-not (Test-Path $mvnCmd)) { throw 'maven extract failed' }
Write-Host "FOUND=$mvnCmd"
& $mvnCmd -v