[CmdletBinding()]
param()

$ErrorActionPreference = 'Continue'

Write-Host '[host] CPU virtualization / DEP'
try {
    Get-CimInstance Win32_Processor |
        Select-Object Name,
            VirtualizationFirmwareEnabled,
            SecondLevelAddressTranslationExtensions,
            DataExecutionPrevention_Available |
        Format-Table -AutoSize
} catch {
    Write-Warning "Unable to query CPU virtualization state: $($_.Exception.Message)"
}

Write-Host ''
Write-Host '[host] Required Windows optional features'
$features = @(
    'Microsoft-Windows-Subsystem-Linux',
    'VirtualMachinePlatform',
    'Microsoft-Hyper-V-All',
    'HypervisorPlatform'
)

foreach ($feature in $features) {
    try {
        Get-WindowsOptionalFeature -Online -FeatureName $feature |
            Select-Object FeatureName,State |
            Format-Table -AutoSize
    } catch {
        Write-Warning "Unable to query ${feature}. Run this script from an elevated PowerShell prompt to inspect Windows optional features."
    }
}

Write-Host ''
Write-Host '[host] Docker daemon'
$RepoRoot = Resolve-Path (Join-Path $PSScriptRoot '..\..')
$DockerConfig = Join-Path $RepoRoot 'docker\.docker-config'
New-Item -ItemType Directory -Force $DockerConfig | Out-Null
$env:DOCKER_CONFIG = $DockerConfig

docker version