"""passbook app_gw views"""
import string
from random import SystemRandom

from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import HttpRequest, HttpResponse
from django.shortcuts import get_object_or_404, render
from django.views import View
from structlog import get_logger

from passbook import __version__
from passbook.providers.app_gw.models import ApplicationGatewayProvider

ORIGINAL_URL = 'HTTP_X_ORIGINAL_URL'
LOGGER = get_logger()

def get_cookie_secret():
    """Generate random 50-character string for cookie-secret"""
    return ''.join(SystemRandom().choice(
        string.ascii_uppercase + string.digits) for _ in range(50))


class K8sManifestView(LoginRequiredMixin, View):
    """Generate K8s Deployment and SVC for gatekeeper"""

    def get(self, request: HttpRequest, provider: int) -> HttpResponse:
        """Render deployment template"""
        provider = get_object_or_404(ApplicationGatewayProvider, pk=provider)
        return render(request, 'app_gw/k8s-manifest.yaml', {
            'provider': provider,
            'cookie_secret': get_cookie_secret(),
            'version': __version__
        }, content_type='text/yaml')