# 在当前 PowerShell 会话中加载 JDK 17 + Maven 3.9.9
# 用法：. D:\juzi\tools\env-java.ps1
$ErrorActionPreference = 'Stop'

$projectRoot = Split-Path -Parent $PSScriptRoot
$jdkRoot = Join-Path $projectRoot 'tools\jdk17'
$jdkCandidates = @($jdkRoot)
if (Test-Path $jdkRoot) {
    $jdkCandidates += Get-ChildItem $jdkRoot -Directory -ErrorAction SilentlyContinue |
        ForEach-Object { $_.FullName }
}

$jdkHome = $jdkCandidates |
    Where-Object { Test-Path (Join-Path $_ 'bin\java.exe') } |
    Select-Object -First 1

if (-not $jdkHome) {
    throw "JDK 17 not found under $jdkRoot. Run the portable JDK setup first."
}

$mavenHome = Join-Path $projectRoot 'tools\maven\apache-maven-3.9.9'
if (-not (Test-Path (Join-Path $mavenHome 'bin\mvn.cmd'))) {
    throw "Maven not found at $mavenHome. Run the portable Maven setup first."
}

$env:JAVA_HOME = $jdkHome
$env:MAVEN_HOME = $mavenHome
$env:PATH = "$jdkHome\bin;$mavenHome\bin;$env:PATH"

Write-Host "JAVA_HOME=$env:JAVA_HOME"
Write-Host "MAVEN_HOME=$env:MAVEN_HOME"
java -version
mvn -version