# irm https://spellbook.nitemaeric.com/install.ps1 | iex
$ErrorActionPreference = "Stop"
$Base = if ($env:SPELLBOOK_DOWNLOAD_BASE) { $env:SPELLBOOK_DOWNLOAD_BASE } else { "https://spellbook.nitemaeric.com" }
$Version = if ($env:SPELLBOOK_VERSION) { $env:SPELLBOOK_VERSION } else { "latest" }
$DestDir = if ($env:SPELLBOOK_BIN) { $env:SPELLBOOK_BIN } else { Join-Path $env:LOCALAPPDATA "Spellbook\bin" }
$Arch = if ([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture.ToString() -eq "Arm64") { "arm64" } else { "x64" }
$Name = "spellbook-windows-$Arch.exe"
$Url = "$Base/cli/$Version/$Name"
New-Item -ItemType Directory -Force -Path $DestDir | Out-Null
$Dest = Join-Path $DestDir "spellbook.exe"
Write-Host "Downloading $Url"
Invoke-WebRequest -Uri $Url -OutFile $Dest
Write-Host "Installed $Dest"
$userPath = [Environment]::GetEnvironmentVariable("Path", "User")
if ($userPath -notlike "*$DestDir*") {
  [Environment]::SetEnvironmentVariable("Path", "$userPath;$DestDir", "User")
  $env:Path = "$env:Path;$DestDir"
  Write-Host "Added $DestDir to your user PATH."
}