Write-Host "=== Windows-underhåll startar ===" -ForegroundColor Green
Write-Host ""

# Diskutrymme före
$diskBefore = (Get-PSDrive C).Free / 1GB

Write-Host "Uppdaterar Winget-källor..." -ForegroundColor Green
winget source update

Write-Host ""
Write-Host "Installerar Winget-uppdateringar..." -ForegroundColor Green

winget upgrade --all `
    --accept-package-agreements `
    --accept-source-agreements

Write-Host ""
Write-Host "Installerar Windows Updates..." -ForegroundColor Green

Import-Module PSWindowsUpdate -ErrorAction SilentlyContinue

Get-WindowsUpdate -Install -AcceptAll -IgnoreReboot

Write-Host ""
Write-Host "Rensar gamla Windows-komponenter..." -ForegroundColor Green

DISM /Online /Cleanup-Image /StartComponentCleanup /ResetBase

Write-Host ""
Write-Host "Rensar temporära filer..." -ForegroundColor Green

Remove-Item "$env:TEMP\*" `
    -Recurse `
    -Force `
    -ErrorAction SilentlyContinue

Remove-Item "C:\Windows\Temp\*" `
    -Recurse `
    -Force `
    -ErrorAction SilentlyContinue

Write-Host "Temporära filer rensade." -ForegroundColor Green

Write-Host ""
Write-Host "Rensar Windows Update-cache..." -ForegroundColor Green

Stop-Service wuauserv -Force -ErrorAction SilentlyContinue

Remove-Item "C:\Windows\SoftwareDistribution\Download\*" `
    -Recurse `
    -Force `
    -ErrorAction SilentlyContinue

Start-Service wuauserv

Write-Host "Windows Update-cache rensad." -ForegroundColor Green

Write-Host ""
Write-Host "Kontrollerar om fler Winget-uppdateringar finns..." -ForegroundColor Green

winget upgrade

Write-Host ""

# Diskutrymme efter
$diskAfter = (Get-PSDrive C).Free / 1GB
$freed = $diskAfter - $diskBefore

Write-Host ("Diskutrymme före : {0:N2} GB" -f $diskBefore) -ForegroundColor Cyan
Write-Host ("Diskutrymme efter : {0:N2} GB" -f $diskAfter) -ForegroundColor Cyan
Write-Host ("Frigjort utrymme : {0:N2} GB" -f $freed) -ForegroundColor Yellow

if (Get-WURebootStatus -Silent) {
    Write-Host "⚠ Systemet behöver startas om." -ForegroundColor Yellow
}
else {
    Write-Host "✅ Ingen omstart krävs." -ForegroundColor Green
}

Write-Host ""
Write-Host "=== Windows-underhåll klart ===" -ForegroundColor Green