# AgentXPro installer for Windows (PowerShell 5.1+ / 7+).
#
#   irm https://agentxpro-site.vercel.app/install.ps1 | iex
#
# With a model endpoint:
#   $env:AGENTXPRO_BASE_URL = "https://your-endpoint/v1"; irm https://agentxpro-site.vercel.app/install.ps1 | iex
#
# Installs, all under %USERPROFILE%\.agentxpro (no admin rights needed):
#   runtime\node   a private Node.js 22.19.0 (checksum-verified)
#   runtime        the agent runtime (@deepseek-ai/dsh@0.1.1-rc.2) from npm
#   profiles\...   the AgentXPro client (checksum-verified)
# plus a launcher at %USERPROFILE%\.agentxpro\bin\agentxpro.cmd, added to your user PATH.
# Everything runs in a child scope so `irm | iex` leaves no variables or
# preference changes behind in the user's session, and errors `throw` rather
# than `exit` (which would close the user's PowerShell window under iex).
& {
$ErrorActionPreference = 'Stop'
$ProgressPreference = 'SilentlyContinue'   # Invoke-WebRequest is very slow with the progress bar on 5.1
[Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12

$Version      = '0.1.2'
$BundleSha256 = '60d2abc4abebdde00c76f25861ae87fdeb81453d28abd97a6d847f0e65a358db'
$NodeVersion  = '22.19.0'
$DshVersion   = '0.1.1-rc.2'
$Base    = if ($env:AGENTXPRO_DOWNLOAD_BASE) { $env:AGENTXPRO_DOWNLOAD_BASE } else { 'https://agentxpro-site.vercel.app/downloads' }
$AxpHome = Join-Path $env:USERPROFILE '.agentxpro'
$Runtime = Join-Path $AxpHome 'runtime'

function Say($m) { Write-Host "==> $m" }
function Fail($m) { throw "AgentXPro install failed: $m" }
function Sha256($p) { (Get-FileHash -Algorithm SHA256 -Path $p).Hash.ToLower() }

# 32-bit PowerShell on 64-bit Windows reports x86 here; the real CPU is in *W6432.
$cpu = if ($env:PROCESSOR_ARCHITEW6432) { $env:PROCESSOR_ARCHITEW6432 } else { $env:PROCESSOR_ARCHITECTURE }
$arch = switch ($cpu) {
  'ARM64' { 'arm64' }
  'AMD64' { 'x64' }
  default { Fail "unsupported CPU $cpu" }
}

$tmp = Join-Path ([IO.Path]::GetTempPath()) ("agentxpro-" + [Guid]::NewGuid().ToString('N'))
New-Item -ItemType Directory -Path $tmp | Out-Null
try {
  # 1. private Node.js ---------------------------------------------------------
  $nodeDir = Join-Path $Runtime 'node'
  $node = Join-Path $nodeDir 'node.exe'
  if ((Test-Path $node) -and ((& $node -v) -eq "v$NodeVersion")) {
    Say "Node.js v$NodeVersion already present"
  } else {
    $dist = "node-v$NodeVersion-win-$arch"
    Say "downloading Node.js v$NodeVersion (win-$arch)"
    Invoke-WebRequest -UseBasicParsing "https://nodejs.org/dist/v$NodeVersion/$dist.zip" -OutFile "$tmp\node.zip"
    $sums = (Invoke-WebRequest -UseBasicParsing "https://nodejs.org/dist/v$NodeVersion/SHASUMS256.txt").Content
    $want = ($sums -split "`n" | Where-Object { $_ -match " $([regex]::Escape("$dist.zip"))$" }) -replace ' .*', ''
    if (-not $want -or (Sha256 "$tmp\node.zip") -ne $want.Trim()) { Fail 'Node.js checksum mismatch' }
    if (Test-Path $nodeDir) { Remove-Item -Recurse -Force $nodeDir }
    Expand-Archive -Path "$tmp\node.zip" -DestinationPath $tmp -Force
    New-Item -ItemType Directory -Force -Path $Runtime | Out-Null
    Move-Item (Join-Path $tmp $dist) $nodeDir
  }
  $npm = Join-Path $nodeDir 'npm.cmd'

  # 2. AgentXPro bundle --------------------------------------------------------
  Say "downloading AgentXPro $Version"
  Invoke-WebRequest -UseBasicParsing "$Base/agentxpro-$Version.tgz" -OutFile "$tmp\axp.tgz"
  if ((Sha256 "$tmp\axp.tgz") -ne $BundleSha256) { Fail 'AgentXPro bundle checksum mismatch' }
  New-Item -ItemType Directory -Path "$tmp\axp" | Out-Null
  tar.exe -xzf "$tmp\axp.tgz" -C "$tmp\axp"      # bundled with Windows 10 1803+ / 11
  if ($LASTEXITCODE -ne 0) { Fail 'could not extract the AgentXPro bundle' }

  # 3. agent runtime — exact tested tree from the bundle's lockfile ------------
  Say "installing agent runtime $DshVersion"
  $env:Path = "$nodeDir;$env:Path"
  New-Item -ItemType Directory -Force -Path $Runtime | Out-Null
  Copy-Item "$tmp\axp\runtime\package.json", "$tmp\axp\runtime\package-lock.json" $Runtime -Force
  Push-Location $Runtime
  try { & $npm ci --omit=dev --no-audit --no-fund --loglevel=error --update-notifier=false | Out-Null }
  finally { Pop-Location }
  if ($LASTEXITCODE -ne 0) { Fail 'agent runtime install failed' }

  # 4. install + launcher ------------------------------------------------------
  $extra = @()
  if ($env:AGENTXPRO_BASE_URL) { $extra = @('--base-url', $env:AGENTXPRO_BASE_URL) }
  & $node "$tmp\axp\install.mjs" --runtime $Runtime --node $node @extra
  if ($LASTEXITCODE -ne 0) { Fail 'install step failed' }
  Write-Host "Open a new terminal (Windows Terminal recommended) and run: agentxpro"
} finally {
  Remove-Item -Recurse -Force $tmp -ErrorAction SilentlyContinue
}
}