Waifu Solitair Fix 5.0 with link to Tutorial

[CmdletBinding()]
param (
    [String] $Name,
    [Int] $Number = -1
)

# If you want to change the website, pls look into the file start_rule34xxx.ps1 (https://pastebin.com/H4LAjX7b)
# There are some pointers on how to start and do this.

if ([String]::IsNullOrEmpty($Name))
{
    $waifu = Read-Host -Prompt "Waifu name?"
}
else
{
    $waifu = $Name
}

$auto_complete_url = "https://gelbooru.com/index.php?page=autocomplete2&term=$waifu"

$response = Invoke-WebRequest $auto_complete_url -UseBasicParsing
$array_of_completions = $response.Content | ConvertFrom-Json

if($array_of_completions.Length -gt 1)
{
    Write-Host "Found multiple choices for your waifu."

    $completions = $response.Content | ConvertFrom-Json | ForEach-Object { $_.Value }

    for($i = 1; $i -le $completions.Length; $i++)
    {
        Write-Host "${i}:" $completions[$i - 1]
    }

    $hasChosenNumber = $false

    while(-not $hasChosenNumber)
    {
        if ($Number -eq -1)
        {
            $number = Read-Host "Please select the number you intended."
        }

        $number = $number - '0'

        if($number -match "\d" -and $number -le $completions.Length -and $number -ge 1)
        {
            $waifu = $completions[$number - 1]
            $hasChosenNumber = $true
        }
        else
        {
            Write-Host "Please enter a valid number (e.g. 1)"
        }
    }

    Write-Host ""
    Write-Host "You have chosen '$waifu' as a waifu."
    Write-Host "Images will now be downloaded. After the download please write the same name on the solitair start-up."
    Write-Host ""
    Write-Host "E.g. if Morgana from League of Legends is your waifu, you should write 'morgana_(league_of_legends)' and not only 'morgana'."
    Write-Host "You can select the name between the 's and press enter to copy the text. Then just paste it by pressing right click into the console window."
    Write-Host ""
}
else
{
    Write-Host ""
    Write-Host "You have chosen '$waifu' as a waifu."
    Write-Host "Images will now be downloaded. After the download please write the same name on the solitair start-up."
    Write-Host "You can select the name between the 's and press enter to copy the text. Then just paste it by pressing right click into the console window."
    Write-Host ""
}

$waifu_path = "$PSScriptRoot\waifus\$waifu"

if (-not (Test-Path $waifu_path))
{
    mkdir "waifus\$waifu" | Out-Null

    $allPictures = @()
    $url_pattern = '<a id="p.\d*" href="(.*?)"'
    $maxPicturesOnPage = 42
    $maxCardsInDeck = 60
    for($page = 0; $page -lt 3; ++$page)
    {
        $start_page_id = $maxPicturesOnPage * $page

        $main_url_base = "https://gelbooru.com/index.php?page=post&s=list&tags=$waifu+rating%3aexplicit+sort%3ascore%3adesc+-animated_gif+-animated+-webm+-solo&pid=$start_page_id"

        $response = Invoke-WebRequest $main_url_base -UseBasicParsing

        $allFoundPictures = ($response.Content | Select-String -Pattern $url_pattern -AllMatches).Matches.Value

        foreach ($foundPicture in $allFoundPictures)
        {
            $allPictures += $foundPicture

            if ($allPictures.Length -gt $maxCardsInDeck)
            {
                # No need to download more pictures than cards
                break
            }
        }

        if ($allFoundPictures.Length -ne $maxPicturesOnPage)
        {
            # This page was not full, so the next one should be empty
            break
        }
    }


    $jobCode =
    {
        [CmdletBinding()]
        param (
            [Parameter(Mandatory=$true)] [Int] $image_number,
            [Parameter(Mandatory=$true)] [String] $waifu_path,
            [Parameter(Mandatory=$true)] [String] $url_pattern,
            [Parameter(Mandatory=$true)] [String] $content

        )

        Write-Debug "Downloaded $image_number images so far. (Will stop at 10 for debugging so remove it)"

        $content -match $url_pattern | Out-Null

        $image_number = ($image_number + 1);
        $url = ($Matches[1] -replace "amp;","")
        $response = Invoke-WebRequest $url -UseBasicParsing

        $response.Content -match 'href="(https://img\d.gelbooru.com/images/.*?\.(.*?))"' | Out-Null

        $out_path = "$waifu_path\$image_number." + $Matches[2]

        $oldProgPref = $ProgressPreference
        $ProgressPreference = "SilentlyContinue"

        Invoke-WebRequest $Matches[1] -OutFile $out_path -UseBasicParsing | Out-Null

        $ProgressPreference = $oldProgPref

        if ($image_number % 10 -eq 0)
        {
            Write-Host "Downloaded $image_number images so far."
        }
    }

    Write-Debug "FULL LOOP"
    $allJobs = @()
    for ($i = 0; $i -lt $allPictures.Length; ++$i)
    {
        $allJobs += Start-job -ScriptBlock $jobCode -ArgumentList $i, $waifu_path, $url_pattern, $allPictures[$i]
    }

    foreach ($job in $allJobs)
    {
        Wait-Job $job | Out-Null
    }
}

.\waifu_solitaire.exe