function Start-SpecialkService
{
    param(
        $cpuArchitecture,
        $skifPath
    )

    $dllPath = [System.IO.Path]::Combine($skifPath, "SpecialK" + $cpuArchitecture + ".dll")
    if ([System.IO.File]::Exists($dllPath) -eq $false)
    {
        $__logger.Info("Special K dll not found in $dllPath")
        return $false
    }

    $serviceParams = @{
        FilePath = "rundll32.exe"
        ArgumentList = "`"$dllPath`",RunDLL_InjectionManager Install"
        WorkingDirectory = $skifPath
        Wait = $false
    }
    Start-Process @serviceParams

    $eventName = "Local\SK_GlobalHookTeardown" + $cpuArchitecture
    $i = 0
    do
    {
        try {
            Start-Sleep -Milliseconds 100
            $eventWaitHandle = [System.Threading.EventWaitHandle]::OpenExisting($eventName)
            $eventWaitHandle.Close()
            $eventWaitHandle.Dispose()
            $__logger.Info("Special K process and event for $dllPath started")
            return $true
        } catch {
            $i++
            Start-Sleep -Milliseconds 300
        }
    } while ($i -lt 10)

    $__logger.Info("Special K event `"$eventName`" could not be opened")
    return $false
}

function Stop-SpecialkService
{
    param(
        $cpuArchitecture,
        $skifPath
    )

    $dllPath = [System.IO.Path]::Combine($skifPath, "SpecialK" + $cpuArchitecture + ".dll")
    if ([System.IO.File]::Exists($dllPath) -eq $false)
    {
        $__logger.Info("Special K dll not found in $dllPath")
        return $false
    }

    try {
        $serviceParams = @{
            FilePath = "rundll32.exe"
            ArgumentList = "`"$dllPath`",RunDLL_InjectionManager Remove"
            WorkingDirectory = $skifPath
            Wait = $false
        }
        Start-Process @serviceParams
        $__logger.Info("Special K $cpuArchitecture service has been removed")
        return $true
    } catch {
        $__logger.Info("Special K $cpuArchitecture service could not be removed")
        return $false
    }
}

function OnGameStarting
{
    param(
        $OnGameStartingEventArgs
    )

    $game = $OnGameStartingEventArgs.Game

    $skifPath = [System.IO.Path]::Combine([Environment]::GetFolderPath("MyDocuments"), "My Mods", "SpecialK")
    $cpuArchitectures = @("32", "64")

    $disableSpecialK = $false
    if ($game.Features)
    {
        foreach ($feature in $game.Features)
        {
            if (($feature.Name -eq "[SW] Disable Special K") -or ($feature.Name -eq "Valve Anti-Cheat Enabled"))
            {
                $disableSpecialK = $true
                $__logger.Info("`"Disable Special K`" feature found. Special K will be disabled.")
                break
            }
        }
    }

    foreach ($cpuArchitecture in $cpuArchitectures)
    {
        if ($disableSpecialK -eq $true)
        {
            # Check if leftover service is running and close it
            Stop-SpecialkService $cpuArchitecture $skifPath
        }
        else
        {
            if ($null -eq $game.Platforms)
            {
                $__logger.Info("Null platforms")
                return
            }

            if ($null -eq ($game.Platforms | Where-Object {$_.Name -eq "PC (Windows)"}))
            {
                $__logger.Info("Not a PC game")
                return
            }

            Start-SpecialkService $cpuArchitecture $skifPath
        }
    }
}

function OnGameStopped
{
    param(
        $OnGameStoppedEventArgs
    )

    $skifPath = [System.IO.Path]::Combine([Environment]::GetFolderPath("MyDocuments"), "My Mods", "SpecialK")
    $cpuArchitectures = @("32", "64")
    foreach ($cpuArchitecture in $cpuArchitectures)
    {
        Stop-SpecialkService $cpuArchitecture $skifPath
    }
}