# Installs ToolUniverse for this Windows account, so `tu` works in every terminal.
#
#   powershell -ExecutionPolicy ByPass -c "irm https://connect.aiscientist.tools/install.ps1 | iex"
#
# Python does not need to be installed first: uv (https://docs.astral.sh/uv) fetches its own
# Python 3.12, and everything lives in uv's tool folder. Running it again updates in place.
# The versions below are kept identical to frontend/lib/tuplatform-connect.ts by
# frontend/tests/install-script.test.mts.
# Native programs report failure through $LASTEXITCODE, which is checked after each one. 'Stop'
# would also turn any line uv prints on stderr into an error in Windows PowerShell 5.1.
$ErrorActionPreference = 'Continue'

$ToolUniverseRequirement = 'tooluniverse==1.5.7'
$TuplatformConnectRequirement = 'tuplatform-connect @ https://connect.aiscientist.tools/downloads/tuplatform_connect-0.4.2-py3-none-any.whl#sha256=e4e09af02093da3e739c9234e1f8182f8a9c311cd9fc0145a1dc119a296ef8ba'
$PythonVersion = '3.12'

function Test-UsableUv([string]$Path) {
  if (-not $Path -or -not (Test-Path $Path)) { return $false }
  return [bool]((& $Path tool install --help 2>$null) -match '--with-executables-from')
}

$uv = (Get-Command uv -ErrorAction SilentlyContinue).Source
if (-not (Test-UsableUv $uv)) {
  $uv = Join-Path $HOME '.local\bin\uv.exe'
  if (-not (Test-UsableUv $uv)) { $uv = Join-Path $HOME '.local/bin/uv' }
  if (-not (Test-UsableUv $uv)) {
    Write-Host 'Getting uv, the small program that installs Python and ToolUniverse for you...'
    $env:UV_NO_MODIFY_PATH = '1'
    Invoke-RestMethod https://astral.sh/uv/install.ps1 -ErrorAction Stop | Invoke-Expression | Out-Null
    $uv = Join-Path $HOME '.local\bin\uv.exe'
    if (-not (Test-UsableUv $uv)) { $uv = Join-Path $HOME '.local/bin/uv' }
    if (-not (Test-UsableUv $uv)) { throw 'uv was downloaded but does not run on this computer.' }
  }
}

Write-Host 'Installing ToolUniverse (about a minute the first time)...'
& $uv tool install --quiet --force --python $PythonVersion `
  --with-executables-from $TuplatformConnectRequirement $ToolUniverseRequirement
if ($LASTEXITCODE -ne 0) { throw 'The install did not finish. The messages above say why.' }

$bin = "$(& $uv tool dir --bin)".Trim()
$tu = @('tu.exe', 'tu') | ForEach-Object { Join-Path $bin $_ } | Where-Object { Test-Path $_ } | Select-Object -First 1
if (-not $tu) { throw 'tu was not installed.' }
& $tu --help | Out-Null
if ($LASTEXITCODE -ne 0) { throw 'tu was installed but does not start.' }
& $uv tool update-shell 2>&1 | Out-Null

Write-Host ''
Write-Host 'ToolUniverse is installed.'
Write-Host 'Open a new terminal window, then run the next step there.'