$a = "<style>"
$a = $a + "BODY{background-color:peachpuff;}"
$a = $a + "TABLE{border-width: 1px;border-style: solid;border-color: black;border-collapse: collapse;}"
$a = $a + "TH{border-width: 1px;padding: 1px;border-style: solid;border-color: black;background-color:thistle}"
$a = $a + "TD{border-width: 1px;padding: 1px;border-style: solid;border-color: black;background-color:PaleGoldenrod}"
$a = $a + "</style>"

[array]$vcenter_srv = @("10.1.1.100","myvcenter.mydomain.com")
[array]$allobj = @()
[string]$Admin = "Sudershan.Bharti@gmail.com"
[string]$vPass = "Passw0rd"
$OutputPath="C:\Temp\ClusterVMsToolsHW"

Remove-Item -Path ($OutputPath + "\*.*") -Confirm:$false -Force:$true -ErrorAction SilentlyContinue 2>&1 > $null

$vcenter_srv |
%{
	Connect-VIServer $_ -User $Admin -Password $vPass -ErrorAction Stop
	$vC = $_
	$obj = New-Object -TypeName PSObject
	$v600 = "6.5.0"
	$v600 = "6.0.0"
	$v550 = "5.5.0"
	$v510 = "5.1.0"
	$v500 = "5.0.0"
	$v410 = "4.1.0"
	$v410 = "4.0.0"
	$vmx13 = "v13"
	$vmx11 = "v11"
	$vmx10 = "v10"
	$vmx9 = "v9"
	$vmx8 = "v8"
	$vmx7 = "v7"
	$Clusters = Get-Cluster
	Foreach ($Cluster in $Clusters)
	{
		$i = 1
		$AllVMs = $Cluster | Get-VM | Where-Object {$_.PowerState -eq "PoweredOn"}
		Foreach ($vm in $AllVMs)
		{
			$ESXiHVer = ($vm.VMHost).Version
			$HWVer = [string]$vm.Version
			If($ESXiHVer -eq $v550 -and $HWVer -eq $vmx10)
			{
				$VMHWVerStatus = "OK"
			}
			elseif (($vm.VMHost).Version -eq $v550 -and [string]$vm.Version -ne $vmx10)
			{
				$VMHWVerStatus = "Update available"
			}
			elseif (($vm.VMHost).Version -eq $v510 -and [string]$vm.Version -eq $vmx9)
			{
				$VMHWVerStatus = "OK"
			}
			elseif (($vm.VMHost).Version -eq $v510 -and [string]$vm.Version -ne $vmx9)
			{
				$VMHWVerStatus = "Update available"
			}
			elseif (($vm.VMHost).Version -eq $v500 -and [string]$vm.Version -eq $vmx8)
			{
				$VMHWVerStatus = "OK"
			}
			elseif (($vm.VMHost).Version -eq $v500 -and [string]$vm.Version -ne $vmx8)
			{
				$VMHWVerStatus = "Update available"
			}
			elseif (($vm.VMHost).Version -eq $v410 -and [string]$vm.Version -eq $vmx7)
			{
				$VMHWVerStatus = "OK"
			}
			elseif (($vm.VMHost).Version -eq $v410 -and [string]$vm.Version -ne $vmx7)
			{
				$VMHWVerStatus = "Update available"
			}
			elseif (($vm.VMHost).Version -eq $v400 -and [string]$vm.Version -eq $vmx7)
			{
				$VMHWVerStatus = "OK"
			}
			elseif (($vm.VMHost).Version -eq $v400 -and [string]$vm.Version -ne $vmx7)
			{
				$VMHWVerStatus = "Update available"
			}
			elseif (($vm.VMHost).Version -eq $v600 -and [string]$vm.Version -eq $vmx11)
			{
				$VMHWVerStatus = "OK"
			}
			elseif (($vm.VMHost).Version -eq $v600 -and [string]$vm.Version -ne $vmx11)
			{
				$VMHWVerStatus = "Update available"
			}
			elseif (($vm.VMHost).Version -eq $v650 -and [string]$vm.Version -eq $vmx13)
			{
				$VMHWVerStatus = "OK"
			}
			elseif (($vm.VMHost).Version -eq $v650 -and [string]$vm.Version -ne $vmx13)
			{
				$VMHWVerStatus = "Update available"
			}
			Else{
				$VMHWVerStatus = "Validate"
			}
			$props = @{
				"vCenter" = $vC;
				"ClusterName"= $Cluster.Name;
				"VMName"= $vm.Name;
				"OS" = $vm.ExtensionData.summary.config.guestfullname;
				"VMToolsVersionStatus" = $vm.ExtensionData.Guest.ToolsVersionStatus;
				"ESXiHost" = $vm.VMHost;
				"ESXiHostVersion" = ($vm.VMHost).Version;
				"HWVersion" = [string]$vm.Version;
				"VMHWVersionStatus" = $VMHWVerStatus
			}
			$obj = New-Object -TypeName PSObject -Property $Props
			$obj = $obj | Select-Object -Property "vCenter", "ClusterName", "VMName", "OS", "VMToolsVersionStatus", "ESXiHost", "ESXiHostVersion","HWVersion", "VMHWVersionStatus"
			$allobj += $obj
			$props = ""
			Write-Progress -Activity "Looking up Clusters" -Status "Current Cluster: $($Cluster.Name) in $vC" -PercentComplete ($i/(($AllVMs| Measure).Count)*100)
			$i++
		}
	}
	Disconnect-VIServer * -Confirm:$false
}
$allobj | Select-Object -Property * | Export-Csv -Path $OutputPath\ClusterVMsToolsHW.csv -NoTypeInformation
$allobj | ConvertTo-Html -Head $a | Out-File $OutputPath\ClusterVMsToolsHW.html
$emailto = "Sudershan.Bharti@gmail.com"
$emailcc = "Sudershan.Bharti@gmail.com"
$emailfrom = "ClusterVMsToolsHW@gmail.com"
$smtpserver = "smtp.gmail.com"
$vmbody = Get-Content $OutputPath\ClusterVMsToolsHW.html
Send-mailmessage -to $emailto -cc $emailcc -from $emailfrom -subject "Cluster VMTool HW# Report" -body ($vmbody | out-string) -BodyAsHtml -SmtpServer $smtpserver