# Run as Administrator is required for these commands
if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    Write-Warning "Please run this script as an Administrator."
    exit
}
# 1. Create the new Workstation Performance plan
# Duplicate High Performance
$output = powercfg -duplicatescheme 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c
# Use Regex to grab ONLY the GUID from the text
if ($output -match "([a-z0-9]{8}-([a-z0-9]{4}-){3}[a-z0-9]{12})") {
    $cleanGuid = $matches[1]   
    # Rename and Activate
    powercfg -changename $cleanGuid "VMware Workstation Performance Plan"
    powercfg -setactive $cleanGuid
    Write-Host "Success: Plan '$cleanGuid' created and renamed." -ForegroundColor Green
}
powercfg -setactive $cleanGuid

# Adjust the New Workstation Performance Plan
# 2. Disable Sleep, Hibernate, and Screen Timeouts (for both AC and DC)
# Setting value to 0 means "Never"
powercfg -change -monitor-timeout-ac 0
powercfg -change -monitor-timeout-dc 0
powercfg -change -standby-timeout-ac 0
powercfg -change -standby-timeout-dc 0
powercfg -hibernate off
Write-Host "Disabled -- Sleep, Hibernate, and Screen Timeouts (for both AC and DC)" -ForegroundColor Green
powercfg -setactive $cleanGuid

# 3. CPU To MAX

# Set Min/Max Processor State to 100% (Plugged In)
powercfg -setacvalueindex $cleanGuid SUB_PROCESSOR PROCTHROTTLEMIN 100
powercfg -setacvalueindex $cleanGuid SUB_PROCESSOR PROCTHROTTLEMAX 100

# Optional Set thresholds for Battery power as well
powercfg -setdcvalueindex $cleanGuid SUB_PROCESSOR PROCTHROTTLEMIN 100
powercfg -setdcvalueindex $cleanGuid SUB_PROCESSOR PROCTHROTTLEMAX 100
Write-Host "Processor thresholds for are now locked at 100%." -ForegroundColor Green
powercfg -setactive $cleanGuid

# 4. Disable USB Selective Suspend
# NOTE -- GUIDs in this section are unique and will need to be changed to match the intended system
# Run this command to create a list of devices and GUIDs  powercfg /QH > "$env:USERPROFILE\Desktop\PowerSettings.txt"
# Search the text file for USB Setting to find the First and Second GUIDs needed below
# In the text file the First GUID is a group name 'Subgroup GUID: 2a737441-1930-4402-8d77-b2bebba308a3 (USB settings)'
# Directly below the First GUID locate the GUID for the 'Power Setting GUID: 0853a681-27c8-4100-a2fd-82013e970683 (Hub Selective Suspend Timeout)'
# Next section below is the 'Power Setting GUID: 48e6b7a6-50f5-4782-a5d4-53bb8f07e226 (USB selective suspend setting)'
# These GUID will be used in the commands below

# These commands unhide the Power Hub Selective Suspend Time Out in the Power Plan USB Settings 
# The first GUID is the Subgroup GUID: 2a737441-1930-4402-8d77-b2bebba308a3
# The second GUID is the Power Setting GUID: 0853a681-27c8-4100-a2fd-82013e970683
powercfg -attributes 2a737441-1930-4402-8d77-b2bebba308a3 0853a681-27c8-4100-a2fd-82013e970683 -ATTRIB_HIDE
# The first GUID is the Subgroup GUID: 2a737441-1930-4402-8d77-b2bebba308a3
# The second GUID is the Power Setting GUID: 48e6b7a6-50f5-4782-a5d4-53bb8f07e226
powercfg -attributes 2a737441-1930-4402-8d77-b2bebba308a3 48e6b7a6-50f5-4782-a5d4-53bb8f07e226 -ATTRIB_HIDE

# These commands Hub Selective Suspend Time Out to 0
# The first GUID is the Subgroup GUID: 2a737441-1930-4402-8d77-b2bebba308a3
# The second GUID is the Power Setting GUID: 0853a681-27c8-4100-a2fd-82013e970683
powercfg -setacvalueindex $cleanGuid 2a737441-1930-4402-8d77-b2bebba308a3 0853a681-27c8-4100-a2fd-82013e970683 0
# The first GUID is the Subgroup GUID: 2a737441-1930-4402-8d77-b2bebba308a3
# The second GUID is the Power Setting GUID: 48e6b7a6-50f5-4782-a5d4-53bb8f07e226
powercfg -setdcvalueindex $cleanGuid 2a737441-1930-4402-8d77-b2bebba308a3 48e6b7a6-50f5-4782-a5d4-53bb8f07e226 0

Write-Host "USB Selective Suspend Time out set to 0" -ForegroundColor Green
powercfg -setactive $cleanGuid

# 5. Disable "Allow the computer to turn off this device to save power" for all hardware
# This uses WMI to target the Power Management tab in Device Manager for all devices.
Get-CimInstance -Namespace "root\WMI" -ClassName "MSPower_DeviceEnable" | ForEach-Object {
    Set-CimInstance -InputObject $_ -Property @{Enable = $false} -ErrorAction SilentlyContinue
}
Write-Host "Disabled -- Allow the computer to turn off this device to save power for all hardware" -ForegroundColor Green
powercfg -setactive $cleanGuid

# 6. Unhide the 'Turn off hard disk after' setting in Power Options
# This ensures the command works even if the UI has hidden the disk settings.
powercfg -attributes SUB_DISK 6738e2c4-e8a5-4a42-b16a-3971e75a7627 -ATTRIB_HIDE
# Set the 'Turn off hard disk after' timeout to 0 (Never)
powercfg -setacvalueindex SCHEME_CURRENT SUB_DISK 6738e2c4-e8a5-4a42-b16a-e040e769756e 0
powercfg -setactive SCHEME_CURRENT

Write-Host "Hard disk power-down has been disabled (Set to 'Never')." -ForegroundColor Green
# 7. Disable Powerthrottling for VMware Workstation executable.
powercfg /powerthrottling disable /path "C:\Program Files (x86)\VMware\VMware Workstation\x64\vmware-vmx.exe"
Write-Host "Disable Powerthrottling for VMware Workstation executable" -ForegroundColor Green
# 8. Apply changes immediately
powercfg -setactive SCHEME_CURRENT
Write-Host "All power-saving restrictions have been disabled." -ForegroundColor Green
Write-Host "`n...Changes Applied, Script Completed" -ForegroundColor Cyan