function Write-Log {
    param (
        [string]$Message,
        [string]$Level = "INFO"
    )
    $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
    $logMessage = "[$timestamp] [$Level] $Message"
    Write-Output $logMessage
    Add-Content -Path "C:\DisableNetworkBanner.log" -Value $logMessage
}


if (-not (Test-Path "C:\DisableNetworkBanner.log")) {
    New-Item -Path "C:\DisableNetworkBanner.log" -ItemType File -Force | Out-Null
}

try {

    New-Item -Path "HKLM:\System\CurrentControlSet\Control\Network" -Name "NewNetworkWindowOff" -Force -ErrorAction SilentlyContinue | Out-Null
    
    netsh advfirewall firewall set rule group="Network Discovery" new enable=No | Out-Null
    
    if (-not (Test-Path "HKLM:\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet")) {
        New-Item -Path "HKLM:\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet" -Force | Out-Null
    }
    New-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet" -Name "EnableActiveProbing" -Value 0 -PropertyType DWord -Force | Out-Null
    
    $services = @("upnphost", "FDResPub", "SSDPSRV")
    foreach ($service in $services) {
        try {
            Set-Service -Name $service -StartupType Disabled -ErrorAction SilentlyContinue
            Stop-Service -Name $service -Force -ErrorAction SilentlyContinue
        } catch {
            Write-Log "Échec de la désactivation du service $service : $_" -Level "ERROR"
        }
    }
    
    $userProfiles = Get-ChildItem "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList" | 
                Where-Object { $_.Name -like "*S-1-5-21*" }
    
    foreach ($profile in $userProfiles) {
        try {
            $sid = $profile.PSChildName
            $regPath = "Registry::HKEY_USERS\$sid\System\CurrentControlSet\Control\Network"
            
            if (Test-Path "Registry::HKEY_USERS\$sid") {
                if (-not (Test-Path $regPath)) {
                    New-Item -Path $regPath -Force -ErrorAction SilentlyContinue | Out-Null
                }
                New-Item -Path $regPath -Name "NewNetworkWindowOff" -Force -ErrorAction SilentlyContinue | Out-Null
            }
        } catch {
            Write-Log "Erreur lors de la modification du profil $sid : $_" -Level "ERROR"
        }
    }
    
    $regCommands = @(
        'reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\NetworkConnections" /v "NC_ShowSharedAccessUI" /t REG_DWORD /d 0 /f',
        'reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\Network Connections" /v "NC_DoNotShowLocalOnlyIcon" /t REG_DWORD /d 1 /f',
        'reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "HideSCANetwork" /t REG_DWORD /d 1 /f'
    )
    
    foreach ($cmd in $regCommands) {
        try {
            Invoke-Expression -Command "cmd.exe /c $cmd" | Out-Null
            Write-Log "Commande exécutée avec succès: $cmd"
        } catch {
            Write-Log "Échec de la commande: $cmd - $_" -Level "ERROR"
        }
    }

    Write-Log "Script terminé avec succès" -Level "SUCCESS"
} catch {
    Write-Log "Erreur globale dans le script: $_" -Level "ERROR"
}