Waifu Solitair Fix 3

$waifu = Read-Host -Prompt "Waifu name?"

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

$response = Invoke-WebRequest $auto_complete_url
$completions = $response.Content | ConvertFrom-Json | % { $_.name }

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

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

    $hasChosenNumber = $false

    while(-not $hasChosenNumber)
    {
        $number = Read-Host -Promt "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 ""
    Write-Host "You have chosen $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 ""
}
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 ""
}

$waifu_path = "waifus\$waifu"

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

    $full_page = $true
    $match_count = 0
    $page = 0

    while($full_page -and $page -lt 3)
    {

        $start_page_id = 42 * $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+-absurdres&pid=$start_page_id"

        $response = Invoke-WebRequest $main_url_base

        ($response.Content | Select-String -Pattern 'js-pop" id="p.\d*" href="(.*?)"' -AllMatches).Matches.Value |
        % {
            $_ -match 'js-pop" id="p.\d*" href="(.*?)"' | Out-Null

            $match_count = ($match_count + 1);
            $url = "https:" + ($Matches[1] -replace "amp;","")
            $response = Invoke-WebRequest $url

            $response.Content -match 'href="(https://img2.gelbooru.com/images/.*?\.(.*?))"' | Out-Null

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

            $img = Invoke-WebRequest $Matches[1] -OutFile $out_path
        }
        $page++

        $full_page = $match_count -eq 42
    }
}

.\waifu_solitaire.exe