# Install Temurin JDK 17 portable under E:\wwwroot\tools (do not replace jdk8)
$ErrorActionPreference = "Stop"
$Tools = "E:\wwwroot\tools"
$Zip = Join-Path $Tools "OpenJDK17-windows-x64.zip"
$Dest = Join-Path $Tools "jdk-17"
$Url = "https://api.adoptium.net/v3/binary/latest/17/ga/windows/x64/jdk/hotspot/normal/eclipse?project=jdk"

New-Item -ItemType Directory -Force -Path $Tools | Out-Null

if (-not (Test-Path (Join-Path $Dest "bin\java.exe"))) {
  Write-Output "=== download ==="
  if (Test-Path $Zip) { Remove-Item $Zip -Force }
  # TLS
  [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
  $ProgressPreference = "SilentlyContinue"
  Invoke-WebRequest -Uri $Url -OutFile $Zip -UseBasicParsing -TimeoutSec 600
  Write-Output ("ZIP_BYTES=" + (Get-Item $Zip).Length)

  Write-Output "=== expand ==="
  $stage = Join-Path $Tools ("jdk17-stage-" + (Get-Date -Format "yyyyMMddHHmmss"))
  New-Item -ItemType Directory -Force -Path $stage | Out-Null
  Expand-Archive -Path $Zip -DestinationPath $stage -Force
  $jdkRoot = Get-ChildItem $stage -Directory | Select-Object -First 1
  if (-not $jdkRoot) { throw "no jdk folder in zip" }
  if (Test-Path $Dest) { Remove-Item $Dest -Recurse -Force }
  Move-Item $jdkRoot.FullName $Dest
  Remove-Item $stage -Recurse -Force -ErrorAction SilentlyContinue
  Remove-Item $Zip -Force -ErrorAction SilentlyContinue
} else {
  Write-Output "JDK_ALREADY_PRESENT"
}

$java = Join-Path $Dest "bin\java.exe"
if (-not (Test-Path $java)) { throw "java.exe missing" }
& $java -version 2>&1 | ForEach-Object { "$_" }

# Machine-level JDK17_HOME for new ledger; do NOT overwrite JAVA_HOME if jdk8 services rely on it
[Environment]::SetEnvironmentVariable("JDK17_HOME", $Dest, "Machine")
[Environment]::SetEnvironmentVariable("JAVA17_HOME", $Dest, "Machine")

# Write helper for ops
$cmd = @"
@echo off
REM New-system JDK17 only. Do not use for legacy Jeecg (jdk8).
set JAVA_HOME=$Dest
set PATH=%JAVA_HOME%\bin;%PATH%
"@
Set-Content -Path (Join-Path $Tools "use-jdk17.cmd") -Value $cmd -Encoding ASCII

$info = @{
  vendor = "Eclipse Temurin"
  major = 17
  home = $Dest
  javaExe = $java
  installedAt = (Get-Date).ToString("o")
  note = "Alongside C:\yutongda\tools\jdk8; legacy JAVA_HOME untouched"
} | ConvertTo-Json
Set-Content -Path (Join-Path $Tools "jdk17.json") -Value $info -Encoding UTF8
Set-Content -Path "E:\wwwroot\ops\jdk17.json" -Value $info -Encoding UTF8

Write-Output "JDK17_HOME=$Dest"
Write-Output "INSTALL_OK"