<#
.SYNOPSIS
<Overview of script>

.DESCRIPTION
<Brief description of script>

.NOTES
   Version:			0.1
   Creation Date:	21.03.2024
   Author:			Ákos Bakos
   Company:			SmartCon GmbH
   Contact:			akos.bakos@smartcon.ch

   Copyright (c) 2024 SmartCon GmbH

HISTORY:
Date			By			Comments
----------		---			----------------------------------------------------------
21.03.2024		Ákos Bakos	Script created

#>

#region Helper Functions
function Write-DarkGrayDate {
    [CmdletBinding()]
    param (
        [Parameter(Position=0)]
        [System.String]
        $Message
    )
    if ($Message) {
        Write-Host -ForegroundColor DarkGray "$((Get-Date).ToString('yyyy-MM-dd-HHmmss')) $Message"
    }
    else {
        Write-Host -ForegroundColor DarkGray "$((Get-Date).ToString('yyyy-MM-dd-HHmmss')) " -NoNewline
    }
}
function Write-DarkGrayHost {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$true, Position=0)]
        [System.String]
        $Message
    )
    Write-Host -ForegroundColor DarkGray $Message
}
function Write-DarkGrayLine {
    [CmdletBinding()]
    param ()
    Write-Host -ForegroundColor DarkGray "========================================================================="
}
function Write-SectionHeader {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$true, Position=0)]
        [System.String]
        $Message
    )
    Write-DarkGrayLine
    Write-DarkGrayDate
    Write-Host -ForegroundColor Cyan $Message
}
function Write-SectionSuccess {
    [CmdletBinding()]
    param (
        [Parameter(Position=0)]
        [System.String]
        $Message = 'Success!'
    )
    Write-DarkGrayDate
    Write-Host -ForegroundColor Green $Message
}

function Write-SectionError {
    [CmdletBinding()]
    param (
        [Parameter(Position=0)]
        [System.String]
        $Message = 'Error!'
    )
    Write-DarkGrayDate
    Write-Host -ForegroundColor Red $Message
}
#endregion

$Title = "BIOS Settings"
$host.UI.RawUI.WindowTitle = $Title
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
[System.Net.WebRequest]::DefaultWebProxy.Credentials = [System.Net.CredentialCache]::DefaultCredentials

$env:APPDATA = "C:\Windows\System32\Config\SystemProfile\AppData\Roaming"
$env:LOCALAPPDATA = "C:\Windows\System32\Config\SystemProfile\AppData\Local"
$Env:PSModulePath = $env:PSModulePath+";C:\Program Files\WindowsPowerShell\Scripts"
$env:Path = $env:Path+";C:\Program Files\WindowsPowerShell\Scripts"

$Global:Transcript = "$((Get-Date).ToString('yyyy-MM-dd-HHmmss'))-Set_Lenovo_BIOS_Settings.log"
Start-Transcript -Path (Join-Path "$env:ProgramData\Microsoft\IntuneManagementExtension\Logs\OSD\" $Global:Transcript) -ErrorAction Ignore | Out-Null

Write-SectionHeader "Custom Lenovo BIOS Settings"
$Get_Manufacturer_Info = (Get-WmiObject win32_computersystem).Manufacturer
If($Get_Manufacturer_Info -notlike "*lenovo*")	
	{
        Write-SectionError "Device manufacturer not supported"											
		Write-DarkGrayHost "$Get_Manufacturer_Info device is not supported"
		EXIT 1			
	}
Else	
	{
		Write-SectionSuccess "Device manufacturer is Lenovo"											
	}

Write-DarkGrayHost "Staring the script"

# Define Bezirk custom settings
$Get_Settings = @(
[pscustomobject]@{
    Setting = 'BootOrder'
    Value = 'NVMe0:USBHDD'
    }

[pscustomobject]@{
	Setting = 'USBBoot'
	Value = 'Disable'
	}
)	

# Set BIOS settings
$BIOS = Get-WmiObject -Class Lenovo_SetBiosSetting -Namespace root\wmi 
ForEach($Settings in $Get_Settings)
    {
        $MySetting = $Settings.Setting
        $NewValue = $Settings.Value				
        Write-DarkGrayHost "Change to do: $MySetting - $NewValue"  
        $Change_Return_Code = $BIOS.SetBiosSetting("$MySetting,$NewValue").Return

        If(($Change_Return_Code) -eq "Success")        								
            {
                Write-DarkGrayHost "New value for $MySetting is $NewValue"  	
                Write-SectionSuccess "The setting has been set"  												
            }
        Else
            {
                Write-SectionError "An issue occured while changing the setting"
                Write-DarkGrayHost "Can not change setting $MySetting (Return code $Change_Return_Code)"  											
            }								
    }

# Save BIOS change part
$Save_BIOS = (Get-WmiObject -class Lenovo_SaveBiosSettings -namespace root\wmi)
$Save_Change_Return_Code = $SAVE_BIOS.SaveBiosSettings().Return		
If(($Save_Change_Return_Code) -eq "Success")
	{
		Write-SectionSuccess "BIOS settings have been saved"														
	}
Else
	{
		Write-SectionError "An issue occured while saving changes - $Save_Change_Return_Code"																	
	}

Stop-Transcript | Out-Null