<#
.SYNOPSIS
Grants VRio.App.exe package identity by registering the sparse package
(pkg\AppxManifest.xml) with the exe's folder as the external location.

Identity is what lets Windows Dynamic Lighting offer vRIO under
Settings > Personalization > Dynamic Lighting > "Background light control",
so the keyboard lamp mirror keeps working while the game has focus.

Unsigned registration requires Developer Mode
(Settings > System > For developers).

.PARAMETER ExePath
Folder containing VRio.App.exe. Defaults to the repo's Release output;
for a deployed zip, pass the extracted VRio folder.

.PARAMETER Unregister
Remove the registration instead.
#>
param(
    [string]$ExePath = (Join-Path $PSScriptRoot '..\src\VRio.App\bin\Release\net48'),
    [switch]$Unregister
)

$ErrorActionPreference = 'Stop'
$packageName = 'VWE.vRIO'

$existing = Get-AppxPackage -Name $packageName -ErrorAction SilentlyContinue
if ($existing) {
    Write-Host "Removing existing registration $($existing.PackageFullName)..."
    Remove-AppxPackage -Package $existing.PackageFullName
}
if ($Unregister) {
    Write-Host 'Unregistered.'
    return
}

$exe = Join-Path $ExePath 'VRio.App.exe'
if (-not (Test-Path $exe)) { throw "VRio.App.exe not found in '$ExePath'" }
$manifest = Join-Path $PSScriptRoot 'AppxManifest.xml'

# With AllowExternalContent the shell resolves the manifest's logo assets
# against the EXTERNAL location, not the manifest's folder — the Start/taskbar
# icon only shows if Assets\ and resources.pri sit next to the exe.
$assetDir = New-Item -ItemType Directory -Force (Join-Path $ExePath 'Assets')
Copy-Item (Join-Path $PSScriptRoot 'Assets\*') $assetDir -Force
Copy-Item (Join-Path $PSScriptRoot 'resources.pri') $ExePath -Force

Add-AppxPackage -Register $manifest -ExternalLocation (Resolve-Path $ExePath).Path
$family = (Get-AppxPackage -Name $packageName).PackageFamilyName
Write-Host "Registered $packageName with external location '$ExePath'."
Write-Host ''
Write-Host 'IMPORTANT: identity is granted through shell activation only. Launch vRIO'
Write-Host 'from the Start menu entry ("vRIO") or via:'
Write-Host "    explorer shell:AppsFolder\$family!vRIO"
Write-Host 'Double-clicking VRio.App.exe runs it WITHOUT identity (lamp mirror then'
Write-Host 'works only while vRIO has focus).'
Write-Host ''
Write-Host 'Then enable the lamp mirror and pick vRIO under Settings > Personalization >'
Write-Host 'Dynamic Lighting > Background light control.'