#region: Workaround for SelfSigned Cert and force TLS 1.2
add-type @”
  using System.Net;
  using System.Security.Cryptography.X509Certificates;
  public class TrustAllCertsPolicy : ICertificatePolicy {
    public bool CheckValidationResult(ServicePoint srvPoint, X509Certificate certificate,WebRequest request, int certificateProblem) {
      return true;
    }
  }
“@

[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy
[System.Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
#endregion

#region Set the stage
$Credentials = Get-Credential -Message "Enter credentials for SRS"

$Headers = @{
"accept" = "application/json"
"content-type" = "application/json"
}
#endregion

#region Logon
Write-Host "Logging on..."
$WebRequest = @{
  Uri = "https://srs.local.lab/api/auth/login"
  Method = "POST"
  Headers = $Headers
  Credential = $Credentials
}
$Logon = Invoke-WebRequest @WebRequest
$Headers.Add('X-SRS-API-KEY', $Logon.Headers['X-SRS-API-KEY'])
#endregion

#region Create Runspace
Write-Host "Creating a new runspace..."
$Body = @{
  name = 'MyRunSpace'
  run_vc_connection_script = $true
}
$WebRequest = @{
  Uri = "https://srs.local.lab/api/runspaces"
  Method = "POST"
  Headers = $Headers
  Credential = $Credentials
}
$WebRequest.Add('Body', ($Body | ConvertTo-Json))
$RunSpace = Invoke-WebRequest @WebRequest
$RunSpace = $RunSpace.Content | ConvertFrom-Json
#endregion

#region Check runspace status
Write-Host "Checking the runspace status..."
while ($RunSpace.state -eq 'Creating') {
  $WebRequest = @{
    Uri = "https://srs.local.lab/api/runspaces/$($RunSpace.id)"
    Method = 'GET'
    Headers = $headers
    Credential = $Credentials
  }
  $getRunSpace = Invoke-WebRequest @WebRequest
  $RunSpace = $getRunSpace.Content | ConvertFrom-Json
}
Write-Host "New runspace is ready..."
#endregion

#region Run script
Write-Host "Running the script..."
$Body = @{
  runspace_id = $RunSpace.Id
  name = "MyScript"
  script = "Get-VM"
  script_parameters = @()
}
$WebRequest = @{
  Uri = "https://srs.local.lab/api/script-executions"
  Method = "POST"
  Headers = $Headers
  Credential = $Credentials
}
$WebRequest.Add('Body', ($Body | ConvertTo-Json))
$RunScript = Invoke-WebRequest @WebRequest
$RunScript = $RunScript.Content | ConvertFrom-Json
#endregion

#region Check script status
Write-Host "Checking script status..."
while ($RunScript.state -eq 'running') {
  $WebRequest = @{
    Uri = "https://srs.local.lab/api/script-executions/$($RunScript.id)"
    Method = 'GET'
    Headers = $Headers
  }
  $GetScript = Invoke-WebRequest @WebRequest
  $RunScript = $GetScript.Content | ConvertFrom-Json
}
Write-Host "Script is ready..."
#endregion

#region Retrieve Script output
Write-Host "Retrieving script output..."`n
$WebRequest = @{
  Uri = "https://srs.local.lab/api/script-executions/$($RunScript.id)/Output"
  Method = 'GET'
  Headers = $Headers
}
$ScriptOutput = Invoke-WebRequest @WebRequest
$ScriptOutput.Content | ConvertFrom-Json
#endregion

#region Retrieve Script streams
Write-Host `n"Retrieving script streams..."
$Status = 'information','error','warning','debug','verbose'
$Status | ForEach-Object -Process {
  $WebRequest = @{
    Uri = "https://srs.local.lab/api/script-executions/$($RunScript.id)/streams/$($_)"
    Method = 'GET'
    Headers = $headers
  }
  $Stream = Invoke-WebRequest @WebRequest
  if ($Stream.Content -ne '[]') {
    $out = ($Stream.Content | ConvertFrom-Json).message | Out-String
    switch($_){
      'information' {Write-Information -MessageData $out}
      'error' {Write-Error -Message $out}
      'warning' {Write-Warning -Message $out}
      'debug' {Write-Debug -Message $out}
      'verbose' {Write-Verbose -Message $out}
    }
  }
}
#endregion

#region Remove Runspace
Write-Host "Removing runspace..."
$WebRequest = @{
  Uri = "https://srs.local.lab/api/runspaces/$($RunSpace.id)"
  Method = "DELETE"
  Headers = $Headers
  Credential = $Credentials
}
$WebRequest.Add('Body', ($Body | ConvertTo-Json))
$RunSpace = Invoke-WebRequest @WebRequest
$RunSpace = $RunSpace.Content | ConvertFrom-Json
#endregion

#region Logout
Write-Host "Logging out..."
$WebRequest = @{
  Uri = "https://srs.local.lab/api/auth/logout"
  Method = "POST"
  Headers = $Headers
  Credential = $Credentials
}
$Logout = Invoke-WebRequest @WebRequest
#endregion