discovery + yt-dlp helper

#powershell script to scrape discovery plus easier (LEGAL- need paid account, but free trial works too)
while (! ((Read-Host -Prompt "Show URL (e.g. discoveryplus.com/show/alone)") -match "/show/([\w\-]+)") ) {
    Write-Host "Invalid URL!"
}
$altid = $Matches[1]
while (!(($input0 -eq "y") -or ($input0 -eq "n"))) {
    $input0 = (Read-Host -Prompt "Do you want ALL seasons? (y/n)").ToLower()
}
$want_all_seasons = $input0 -eq "y"
$want_seasons = @()
while (!($want_all_seasons -or $want_seasons[0])) {
    $want_seasons = (Read-Host -Prompt "Type list of seasons (e.g. 2,3)") -split "\D+"
}
while (!(($qualityInput -eq "y") -or ($qualityInput -eq "n"))) {
    $qualityInput = (Read-Host -Prompt "Do you want 720p files to save space and time? Otherwise max. (y/n)").ToLower()
}
$browser = Read-Host -Prompt "Browser (e.g. brave,chrome)"
Read-Host -Prompt "Full path where season folders should go (leave blank for no change)" | cd
Write-Host; Write-Host "---------------------------";Write-Host
#token / cookie is required to use api, so create anonymous one
$token = (ConvertFrom-Json (iwr "https://us1-prod-direct.discoveryplus.com/token?realm=go&shortlived=true").Content).Data.attributes.token
$cookie = New-Object System.Net.Cookie -Property @{ Name="st"; Value=$token; Domain="us1-prod-direct.discoveryplus.com" }
$session = New-Object Microsoft.PowerShell.Commands.WebRequestSession
$session.Cookies.Add($cookie)
#fetch hidden information
$jsonDump = ConvertFrom-Json (iwr ("https://us1-prod-direct.discoveryplus.com/cms/routes/show/"+$altid+"?include=default") -WebSession $session -Headers @{"accept" = "*/*"; "x-disco-client" = "WEB:UNKNOWN:dplus_us:2.25.4"; "x-disco-params" = "realm=go,bid=dplus,hn=www.discoveryplus.com,hth=,features=ar"}).Content
foreach ($inc in $jsonDump.included) {
    if ($inc.attributes -and ($inc.attributes.alternateId -eq $altid)) {
        $showIdStr = $inc.attributes.analyticsId.Substring(3)
        $trueSeasons = $inc.attributes.seasonNumbers
    } ElseIf ($inc.attributes -and ($inc.attributes.name -eq "generic-show-episodes")) {
        $cmsid = $inc.id
    }
    if ($showIdStr -and $cmsid) { break }
}
if ($want_all_seasons) {
    $want_seasons = $trueSeasons
}
$dlformat = "bv[vbr<9000]+ba"
if ($qualityInput -eq "y") {
    $dlformat = "(bv[vbr<3100]/wv)+(ba[abr<150]/wa)"
}
foreach ($season in @($want_seasons)) {
    $old = $jsonDump
    #fetch list of episodes from database
    $jsonDump = ConvertFrom-Json (iwr ("https://us1-prod-direct.discoveryplus.com/cms/collections/"+$cmsid+"?include=default&pf[seasonNumber]="+$season+"&pf[show.id]="+$showIdStr) -WebSession $session -Headers @{"accept" = "*/*"; "x-disco-client" = "WEB:UNKNOWN:dplus_us:2.25.4"; "x-disco-params" = "realm=go,bid=dplus,hn=www.discoveryplus.com,hth=,features=ar"}).Content
    if ($old -eq $jsonDump ) { continue }
    #loop thru and download videos
    For ($i=0; $i -lt $jsonDump.included.Length; $i++) { #foreach isn't in order
        $inc = $jsonDump.included[$i]
        if ($inc.relationships -and $inc.relationships.show -and ($inc.relationships.show.data.id -eq $showIdStr) -and ($inc.attributes.path.IndexOf("-trailer") -eq -1)) {
            yt-dlp ("https://www.discoveryplus.com/video/"+$inc.attributes.path) --cookies-from-browser $browser -f $dlformat -o ("/S"+$season+"/E%(episode_number)02d %(title)s.%(ext)s") --retry-sleep exp=1
        }
    }
}
Read-Host -Prompt "ALL DONE!"