$client = Get-Content ".\client_secret.json" | ConvertFrom-Json

$clientId = $client.installed.client_id
$clientSecret = $client.installed.client_secret
$redirectUri = "http://localhost"

$scope = "https://www.googleapis.com/auth/drive.file"

$authUrl = "https://accounts.google.com/o/oauth2/v2/auth?client_id=$clientId&redirect_uri=$redirectUri&response_type=code&scope=$scope&access_type=offline"

Write-Host "Öffne folgende URL im Browser:"
Write-Host $authUrl

Start-Process $authUrl

$code = Read-Host "Code aus URL eingeben"

$body = @{
    code = $code
    client_id = $clientId
    client_secret = $clientSecret
    redirect_uri = $redirectUri
    grant_type = "authorization_code"
}

$response = Invoke-RestMethod -Method Post -Uri "https://oauth2.googleapis.com/token" -Body $body

$response | ConvertTo-Json | Out-File "token.json"

Write-Host "Token gespeichert!"