from django.http.request import HttpRequest
import requests
from django.conf import settings
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http.response import HttpResponse, HttpResponseRedirect
from django.shortcuts import render
from django.views.decorators.csrf import ensure_csrf_cookie
from graphene_django.views import GraphQLView
from sentry_sdk.api import start_transaction
from wagtail.admin.views.pages.listing import index as wagtailadmin_explore


# For sentry perfomance monitoring
# taken from https://jerrynsh.com/how-to-monitor-python-graphql-api-with-sentry/
class SentryGraphQLView(GraphQLView):
    def execute_graphql_request(
        self,
        request: HttpRequest,
        data,
        query,
        variables,
        operation_name,
        show_graphiql,
    ):
        operation_type = (
            self.get_backend(request)
            .document_from_string(self.schema, query)
            .get_operation_type(operation_name)
        )
        with start_transaction(op=operation_type, name=operation_name):
            return super().execute_graphql_request(
                request, data, query, variables, operation_name, show_graphiql
            )


class PrivateGraphQLView(LoginRequiredMixin, SentryGraphQLView):
    pass


@ensure_csrf_cookie
def home(request):
    if settings.SERVE_VIA_WEBPACK:
        try:
            res = requests.get(
                "http://localhost:8080{}".format(request.get_full_path())
            )
            headers = res.headers
            content_type = headers.get("content-type", "text/html")
            return HttpResponse(res.text, content_type=content_type)
        except Exception as e:
            print("Can not connect to dev server at http://localhost:8080:", e)

    return render(request, "index.html", {})


def override_wagtailadmin_explore_default_ordering(request, parent_page_id):
    """
    Wrap Wagtail's explore view to change the default ordering
    """
    if request.method == "GET" and "ordering" not in request.GET:
        # Display reordering handles by default for children of all Page types.
        return HttpResponseRedirect(request.path_info + "?ordering=ord")

    return wagtailadmin_explore(request, parent_page_id=parent_page_id)