"""passbook Application Security Gateway Forms"""
from django import forms
from oauth2_provider.generators import (generate_client_id,
                                        generate_client_secret)
from oidc_provider.models import Client

from passbook.providers.app_gw.models import ApplicationGatewayProvider


class ApplicationGatewayProviderForm(forms.ModelForm):
    """Security Gateway Provider form"""

    def save(self, *args, **kwargs):
        if not self.instance.pk:
            # New instance, so we create a new OIDC client with random keys
            self.instance.client = Client.objects.create(
                client_id=generate_client_id(),
                client_secret=generate_client_secret())
        self.instance.client.name = self.instance.name
        self.instance.client.redirect_uris = [
            f"http://{self.instance.host}/oauth2/callback",
            f"https://{self.instance.host}/oauth2/callback",
        ]
        self.instance.client.scope = ['openid', 'email']
        self.instance.client.save()
        return super().save(*args, **kwargs)

    class Meta:

        model = ApplicationGatewayProvider
        fields = [
            'name', 'host'
        ]
        widgets = {
            'name': forms.TextInput(),
            'host': forms.TextInput(),
        }