#What display user want
$WhichDisplay = Read-Host -Prompt 'Input main display for hearthstone'

#Setting it in reg
Set-ItemProperty -Path "HKCU:\SOFTWARE\Blizzard Entertainment\Hearthstone\" -Name UnitySelectMonitor_h17969598 -Value ($WhichDisplay-1)

#For cross reference against the windows monitor info
$Display = "DISPLAY$Whichdisplay"

#Getting info from the system
$Monitors = [System.Windows.Forms.Screen]::AllScreens

foreach ($Monitor in $Monitors)
{
	$DeviceName = (($Monitor.DeviceName).replace("\", "")).replace(".", "")
    if( $DeviceName -eq $Display)
    {
	$Width = $Monitor.bounds.Width
	$Height = $Monitor.bounds.Height
    }
}

#Set local user
$p = $ENV:UserProfile

#File to change
$file = "$p\AppData\Local\Blizzard\Hearthstone\options.txt"

#Get file content and store it into $content variable
$content = Get-Content -Path $file

#Check and change
$i=0
$u=0
While ($content[$i] -ne $null)
{if ($content[$i] -match "graphicsheight")
    {$content[$i] = "graphicsheight=$Height"}
    $i++
}

While ($content[$u] -ne $null)
{if ($content[$u] -match "graphicswidth")
    {$content[$u] = "graphicswidth=$Width"}
    $u++
}
# Set the new content
$content | Set-Content -Path $file