# will use this and make an automated generater and approver

#requires -Version 3.0

function Get-CertificateRequestFile {
  param (
    [string]$InitialDirectory = $PSScriptRoot
  )
  [System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") | Out-Null
  $ShowDialog = New-Object System.Windows.Forms.OpenFileDialog
  $ShowDialog.InitialDirectory = $InitialDirectory
  $ShowDialog.Filter = "CSR File (*.csr)|*.csr|Request File (*.req)|*.req|Text File (*.txt)|*.txt|All Files (*.*)|*.*"
  $ShowDialog.ShowDialog() | Out-Null
  return $ShowDialog.FileName
}


function Get-CertificateTemplates {
  $script:IssuingCA = certutil -config - -ping
  $script:IssuingCA = $script:IssuingCA | Where-Object { ($_ -match '\\') -and ($_ -notmatch 'Connecting')}
  $TemplateList = certutil -CATemplates -config $script:IssuingCA
  return $TemplateList
}

$script:IssuingCA = ""
$TemplateItems = @{}
$i = 0
$RequestFile = Get-CertificateRequestFile
$Templates = Get-CertificateTemplates

foreach ($Template in $Templates) {
  if ($Template.Contains("--")) { 
    $CurrentItem = $Template -split ' -- '
    $TemplateItems.Add($i,$CurrentItem[0])
    $i++
  }
} 
do { 
  Clear-Host
  Write-Output "`n"
  Write-Output "Selected Certificate Authority: $script:IssuingCA`n"
  $TemplateItems.GetEnumerator() | Sort-Object Name | ForEach-Object {Write-Output (" {0} - {1}" -F $_.Key, $_.Value)}
  $SelectedItem = Read-Host -Prompt "`nSelect the number for the requested template (CTRL+C to quit)"
  if ($SelectedItem -notin @(0..$i)) { 
    $CurrentUIColor = $Host.UI.RawUI.ForegroundColor
    $Host.UI.RawUI.ForegroundColor = 'Yellow'
    Write-Output "Please select a valid number or CTRL+C to quit.." 
    $Host.UI.RawUI.ForegroundColor = $CurrentUIColor
    Start-Sleep -Seconds 2
  }
} while ($SelectedItem -notin @(0..$i))

$results = $TemplateItems.GetEnumerator() | Where-Object { $_.Key -eq $SelectedItem}
$SelectedTemplate = ($($results.Value -split ':')[0]).Trim()

certreq -submit -config $script:IssuingCA -attrib "CertificateTemplate:$SelectedTemplate" $RequestFile

Clear-Variable TemplateItems