# spwn installer for Windows — https://spwn.stream
# Usage:  irm https://spwn.stream/install.ps1 | iex
$ErrorActionPreference = "Stop"

$Server = "https://spwn.stream"
if ($env:SPWN_SERVER) { $Server = $env:SPWN_SERVER }

# amd64 everywhere except ARM64 Windows
$arch = "amd64"
if ($env:PROCESSOR_ARCHITECTURE -eq "ARM64") { $arch = "arm64" }

$dest = Join-Path $env:LOCALAPPDATA "Programs\spwn"
New-Item -ItemType Directory -Force -Path $dest | Out-Null

$url = "$Server/dist/windows/$arch/spwn-windows-$arch.exe"
Write-Host "spwn: downloading $url"
$exe = Join-Path $dest "spwn.exe"
Invoke-WebRequest -Uri $url -OutFile $exe -UseBasicParsing

# Make sure the user PATH carries it (no admin rights needed).
$userPath = [Environment]::GetEnvironmentVariable("Path", "User")
if (($userPath -split ";") -notcontains $dest) {
    [Environment]::SetEnvironmentVariable("Path", "$userPath;$dest", "User")
    Write-Host "spwn: added $dest to your user PATH — restart your terminal to pick it up"
}

& $exe version
Write-Host "spwn: installed — pipe something:  long-command | spwn"