$ImageUrl = "https://wallpaper.fasco.dev/Nick.php"

$WallpaperDir = "$env:LOCALAPPDATA\ManagedWallpaper"
$WallpaperPath = "$WallpaperDir\wallpaper.jpg"

New-Item -ItemType Directory -Path $WallpaperDir -Force | Out-Null

Invoke-WebRequest -Uri $ImageUrl -OutFile $WallpaperPath

$DesktopKey = "HKCU:\Control Panel\Desktop"
Set-ItemProperty -Path $DesktopKey -Name Wallpaper -Value $WallpaperPath
Set-ItemProperty -Path $DesktopKey -Name WallpaperStyle -Value "10"
Set-ItemProperty -Path $DesktopKey -Name TileWallpaper -Value "0"

$ActiveDesktopKey = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop"
New-Item -Path $ActiveDesktopKey -Force | Out-Null
New-ItemProperty `
    -Path $ActiveDesktopKey `
    -Name "NoChangingWallPaper" `
    -PropertyType DWord `
    -Value 1 `
    -Force | Out-Null

$SystemPolicyKey = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies\System"
New-Item -Path $SystemPolicyKey -Force | Out-Null
New-ItemProperty `
    -Path $SystemPolicyKey `
    -Name "Wallpaper" `
    -PropertyType String `
    -Value $WallpaperPath `
    -Force | Out-Null

New-ItemProperty `
    -Path $SystemPolicyKey `
    -Name "WallpaperStyle" `
    -PropertyType String `
    -Value "2" `
    -Force | Out-Null

Add-Type @"
using System;
using System.Runtime.InteropServices;

public class Wallpaper {
    [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
    public static extern int SystemParametersInfo(
        int uAction,
        int uParam,
        string lpvParam,
        int fuWinIni
    );
}
"@

[Wallpaper]::SystemParametersInfo(
    20,
    0,
    $WallpaperPath,
    0x01 -bor 0x02
) | Out-Null

if ("Microsoft.PowerShell.PSConsoleReadLine" -as [type]) {
    [Microsoft.PowerShell.PSConsoleReadLine]::ClearHistory()
}