# Kontrola a oprava systemovych souboru
sfc /scannow

# Oprava Windows obrazu pres DISM
DISM /Online /Cleanup-Image /RestoreHealth

# Kompletni informace o systemu
Get-ComputerInfo | Select-Object WindowsProductName, WindowsVersion, TotalPhysicalMemory, CsProcessors

# Zobrazit vsechny bezici sluzby
Get-Service | 
Where-Object {$_.Status -eq "Running"} | 
Select-Object Name, DisplayName, Status | 
Sort-Object DisplayName | Format-Table -AutoSize

# Cas posledniho bootu a uptime
$boot = (Get-CimInstance Win32_OperatingSystem).LastBootUpTime
$uptime = (Get-Date) - $boot
Write-Host "Posledni boot: $boot"
Write-Host "Uptime: $($uptime.Days)d $($uptime.Hours)h $($uptime.Minutes)m"

# Vycistit docasne soubory
Remove-Item -Path "$env:TEMP\*" -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item -Path "C:\Windows\Temp\*" -Recurse -Force -ErrorAction SilentlyContinue
Write-Host "✅ Temp slozky vycisteny!" -ForegroundColor Green

# Prehled vyuziti disku
Get-PSDrive -PSProvider FileSystem | 
Select-Object Name, @{N="Celkem GB";E={[math]::Round($_.Used/1GB+$_.Free/1GB,1)}}, @{N="Volne GB";E={[math]::Round($_.Free/1GB,1)}}, @{N="Obsazeno %";E={[math]::Round($_.Used/($_.Used+$_.Free)*100,1)}} | 
Format-Table -AutoSize

# TOP 20 nejvetsi soubory na C:
Get-ChildItem C:\ -Recurse -ErrorAction SilentlyContinue | 
Sort-Object Length -Descending | 
Select-Object -First 20 FullName, @{N="MB";E={[math]::Round($_.Length/1MB,1)}} | 
Format-Table -AutoSize

# Naplánovat CHKDSK pri pristem restartu
chkdsk C: /f /r /x

# Optimalizace disku C: (TRIM pro SSD, defrag pro HDD)
Optimize-Volume -DriveLetter C -Verbose

# Informace o fyzickych discich
Get-PhysicalDisk | 
Select-Object FriendlyName, MediaType, Size, HealthStatus, OperationalStatus | 
Format-Table -AutoSize

# Vyciistit Windows Update cache
Stop-Service wuauserv -Force
Remove-Item "C:\Windows\SoftwareDistribution\Download\*" -Recurse -Force -ErrorAction SilentlyContinue
Start-Service wuauserv
Write-Host "✅ Windows Update cache vycistena!" -ForegroundColor Green

# Vymazat DNS cache
ipconfig /flushdns
Write-Host "✅ DNS cache vycistena!" -ForegroundColor Green

# Reset Winsock a TCP/IP stacku
netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /renew
ipconfig /flushdns

# Prehled sitovych adapteru
Get-NetIPAddress | 
Select-Object InterfaceAlias, IPAddress, AddressFamily, PrefixLength | 
Where-Object {$_.AddressFamily -eq "IPv4"} | 
Format-Table -AutoSize

# Test odezvy DNS serveru
Resolve-DnsName google.com -Server 8.8.8.8 | Select-Object Name, QueryType, IPAddress
Resolve-DnsName google.com -Server 1.1.1.1 | Select-Object Name, QueryType, IPAddress

# Zkontrolovat stav VBS v registry
Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\DeviceGuard" | Select-Object Enable*

# Kompletni VBS cleanup - spustit jako ADMIN
reg add "HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard" /v "EnableVirtualizationBasedSecurity" /t REG_DWORD /d 0 /f
reg add "HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard" /v "RequirePlatformSecurityFeatures" /t REG_DWORD /d 0 /f
reg add "HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity" /v "Enabled" /t REG_DWORD /d 0 /f
Write-Host "✅ VBS registry vycisteny! Restartuj PC." -ForegroundColor Green

# Zkontrolovat stav Secure Boot
Confirm-SecureBootUEFI

# Stav Windows Defender
Get-MpComputerStatus | 
Select-Object AntivirusEnabled, RealTimeProtectionEnabled, AntivirusSignatureLastUpdated, QuickScanAge | 
Format-List

# Vymazat vsechny Event Logy - mesicni reset
Get-WinEvent -ListLog * | ForEach-Object { 
    wevtutil cl $_.LogName 2>$null 
}
Write-Host "✅ Vsechny logy vycisteny!" -ForegroundColor Green

# Zobrazit vsechny Kernel Power pady ID:41
Get-WinEvent -FilterHashtable @{LogName='System'; Id=41} -ErrorAction SilentlyContinue | 
Select-Object TimeCreated, Id, Message | 
Format-Table -AutoSize

# Zobrazit Disk IO chyby ID:153
Get-WinEvent -FilterHashtable @{LogName='System'; Id=153} -ErrorAction SilentlyContinue | 
Select-Object TimeCreated, Id, Message | 
Format-Table -AutoSize -Wrap

# Zobrazit Bluetooth HCI chyby ID:5
Get-WinEvent -FilterHashtable @{LogName='System'; Id=5} -ErrorAction SilentlyContinue | 
Select-Object TimeCreated, Id, Message | 
Format-Table -AutoSize

# Systemove chyby za poslednich 24h
$cas = (Get-Date).AddHours(-24)
Get-WinEvent -FilterHashtable @{LogName='System'; Level=2; StartTime=$cas} -ErrorAction SilentlyContinue | 
Select-Object TimeCreated, Id, Message | 
Sort-Object TimeCreated -Descending | 
Format-Table -AutoSize -Wrap

# Naplánovat RAM test pri pristim restartu
mdsched.exe

# Informace o RAM modulech
Get-WmiObject Win32_PhysicalMemory | 
Select-Object BankLabel, Capacity, Speed, Manufacturer, PartNumber | 
Format-Table -AutoSize

# Aktualni vyuziti RAM
$os = Get-CimInstance Win32_OperatingSystem
$total = [math]::Round($os.TotalVisibleMemorySize/1MB, 2)
$free = [math]::Round($os.FreePhysicalMemory/1MB, 2)
$used = [math]::Round($total - $free, 2)
$pct = [math]::Round($used/$total*100, 1)
Write-Host "Celkem: ${total} GB | Volno: ${free} GB | Obsazeno: ${used} GB (${pct}%)"

# TOP 10 procesu zrouc RAM
Get-Process | 
Sort-Object WorkingSet -Descending | 
Select-Object -First 10 Name, @{N="RAM MB";E={[math]::Round($_.WorkingSet/1MB,1)}}, CPU | 
Format-Table -AutoSize

# Vypnout C-States pro NVMe stabilitu
powercfg -setacvalueindex SCHEME_CURRENT SUB_PROCESSOR IDLEDISABLE 1
powercfg -setactive SCHEME_CURRENT
Write-Host "✅ C-States vypnuty!" -ForegroundColor Green

# Aktivovat Spickovy vykon napajeci plan
powercfg /setactive 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c
Write-Host "✅ Spickovy vykon aktivovan!" -ForegroundColor Green

# Zobrazit napajeci plan
powercfg /getactivescheme
powercfg /list

# Generovat report energeticke narocnosti
powercfg /energy /output "C:\energy-report.html"
Write-Host "✅ Report ulozen: C:\energy-report.html" -ForegroundColor Green