# AI Agents Decks - installs Deck Host for the current user (Windows x64) into %LOCALAPPDATA%\AIAgentsDecks.
#   irm https://aiagentsdecks.com/install.ps1 | iex
# Downloads one binary from aiagentsdecks.com/download, checks its SHA-256, adds the folder to your user PATH.
$ErrorActionPreference = 'Stop'
$base = 'https://aiagentsdecks.com/download'
$f = 'deck-host-windows-x64.exe'
$dir = Join-Path $env:LOCALAPPDATA 'AIAgentsDecks'
New-Item -ItemType Directory -Force -Path $dir | Out-Null
$tmp = Join-Path $env:TEMP ("deck-host-" + [guid]::NewGuid() + ".exe")
Write-Host "Downloading $f..."
Invoke-WebRequest -UseBasicParsing "$base/$f" -OutFile $tmp
$sums = [string](Invoke-WebRequest -UseBasicParsing "$base/SHA256SUMS.txt").Content
$want = ($sums -split "`n" | Where-Object { $_ -match (" " + [regex]::Escape($f) + "\s*$") } | ForEach-Object { ($_ -split '\s+')[0] }) | Select-Object -First 1
$got = (Get-FileHash -Algorithm SHA256 $tmp).Hash.ToLower()
if (-not $want -or $want.Trim().ToLower() -ne $got) { Remove-Item $tmp; throw 'Checksum mismatch - not installing.' }
Move-Item -Force $tmp (Join-Path $dir 'deck-host.exe')
$userPath = [Environment]::GetEnvironmentVariable('Path', 'User')
if (-not (($userPath -split ';') -contains $dir)) {
  [Environment]::SetEnvironmentVariable('Path', ($userPath.TrimEnd(';') + ';' + $dir), 'User')
  $env:Path += ";$dir"
  Write-Host "Added $dir to your PATH (new terminals pick it up)."
}
Write-Host ("Installed " + (Join-Path $dir 'deck-host.exe') + " (" + (& (Join-Path $dir 'deck-host.exe') --version) + ")")
Write-Host 'Start it with: deck-host'