lewis | Let 's write intricate simulators

param (
    [Parameter(Mandatory=$false)][String]$ResourceGroupName,
    [Parameter(Mandatory=$false)][String]$ServicePrincipalName,
    [Parameter(Mandatory=$false)][String]$ServicePrincipalPass,
    [Parameter(Mandatory=$false)][String]$SubscriptionId,
    [Parameter(Mandatory=$false)][String]$TenantId,
    [Parameter(Mandatory=$false)][String]$VMname,
    [Parameter(Mandatory=$false)][String]$vaultname
    )

$targetVault = Get-AzRecoveryServicesVault -ResourceGroupName $ResourceGroupName -Name $vaultname
$targetVault.ID
Get-AzRecoveryServicesBackupProtectionPolicy -WorkloadType "AzureVM" -VaultId $targetVault.ID
Get-AzRecoveryServicesVault -Name $vaultname | Set-AzRecoveryServicesVaultContext
$policy = Get-AzRecoveryServicesBackupProtectionPolicy -Name $policyname
Enable-AzRecoveryServicesBackupProtection -ResourceGroupName $ResourceGroupName -Name $VMname -Policy $policy
$backupcontainer = Get-AzRecoveryServicesBackupContainer -ContainerType "AzureVM" -FriendlyName $VMname
$item = Get-AzRecoveryServicesBackupItem -Container $backupcontainer -WorkloadType "AzureVM"
$backupjob=Backup-AzRecoveryServicesBackupItem -Item $item
echo $backupjob
#$Backupstatus=Get-AzRecoveryservicesBackupJob
#Wait-AzRecoveryServicesBackupJob -Job $joblist[0] -Timeout 43200 -VaultId $targetVault.ID
Get-AzRecoveryservicesBackupJob
$namedContainer = Get-AzRecoveryServicesBackupContainer  -ContainerType "AzureVM" -Status "Registered" -FriendlyName $VMname -VaultId $targetVault.ID
$backupitem = Get-AzRecoveryServicesBackupItem -Container $namedContainer  -WorkloadType "AzureVM" -VaultId $targetVault.ID
echo "Please wait for backup to complete - Backup is in progress"
start-sleep -s 30
$joblist = Get-AzRecoveryservicesBackupJob –Status "InProgress" -VaultId $targetVault.ID
$joblist[0]
while (!$rp.ContainerName) 
  { 
    $startDate = (Get-Date).AddDays(-7)
    $endDate = Get-Date
    $rp = Get-AzRecoveryServicesBackupRecoveryPoint -Item $backupitem -StartDate $startdate.ToUniversalTime() -EndDate $enddate.ToUniversalTime() -VaultId $targetVault.ID
    start-sleep -s 30
    $rp[0]  
    Write-Host -NoNewline "Waiting 30 seconds for" $VMName "VM to backup" 
  }
Get-AzRecoveryservicesBackupJob
echo "Backup is completed successfully"