import asyncio

from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import HttpResponse
from django.views import View
from mixins.views import ObjectCreate, ObjectDelete, ObjectList, ObjectUpdate
from two_factor.views.mixins import OTPRequiredMixin

from core.clients.aggregators.nordigen import NordigenClient
from core.forms import AggregatorForm
from core.models import Aggregator
from core.util import logs

log = logs.get_logger(__name__)


def synchronize_async_helper(to_await):
    async_response = []

    async def run_and_capture_result():
        r = await to_await
        async_response.append(r)

    try:
        loop = asyncio.get_event_loop()
    except RuntimeError:
        loop = asyncio.new_event_loop()
        asyncio.set_event_loop(loop)
    coroutine = run_and_capture_result()
    loop.run_until_complete(coroutine)
    return async_response[0]


class ReqsList(LoginRequiredMixin, OTPRequiredMixin, ObjectList):
    list_template = "partials/aggregator-info.html"
    page_title = "Aggregator Info"

    context_object_name_singular = "requisition"
    context_object_name = "requisitions"

    list_url_name = "reqs"
    list_url_args = ["type", "pk"]

    submit_url_name = "aggregator_countries"
    submit_url_args = ["type", "pk"]

    def get_context_data(self):
        context = super().get_context_data()
        context["pk"] = self.kwargs.get("pk")
        return context

    def get_queryset(self, **kwargs):
        pk = kwargs.get("pk")
        try:
            aggregator = Aggregator.get_by_id(pk, self.request.user)

        except Aggregator.DoesNotExist:
            message = "Aggregator does not exist"
            message_class = "danger"
            context = {
                "message": message,
                "message_class": message_class,
                "window_content": self.window_content,
            }
            return self.render_to_response(context)

        self.page_title = (
            f"Requisitions for {aggregator.name} ({aggregator.get_service_display()})"
        )

        run = synchronize_async_helper(NordigenClient(aggregator))
        reqs = synchronize_async_helper(run.get_requisitions())
        print("REQS", reqs)
        return reqs


class AggregatorCountriesList(LoginRequiredMixin, OTPRequiredMixin, ObjectList):
    list_template = "partials/aggregator-countries.html"
    page_title = "List of countries"

    list_url_name = "aggregator_countries"
    list_url_args = ["type", "pk"]

    context_object_name_singular = "country"
    context_object_name = "countries"

    def get_context_data(self):
        context = super().get_context_data()
        context["pk"] = self.kwargs.get("pk")
        return context

    def get_queryset(self, **kwargs):
        pk = kwargs.get("pk")
        try:
            aggregator = Aggregator.get_by_id(pk, self.request.user)

        except Aggregator.DoesNotExist:
            message = "Aggregator does not exist"
            message_class = "danger"
            context = {
                "message": message,
                "message_class": message_class,
                "window_content": self.window_content,
            }
            return self.render_to_response(context)

        self.page_title = (
            f"Countries for {aggregator.name} ({aggregator.get_service_display()})"
        )
        run = synchronize_async_helper(NordigenClient(aggregator))
        countries = synchronize_async_helper(run.get_countries())
        print("COUNTRIES", countries)
        self.extra_args = {"pk": pk}
        return countries


class AggregatorCountryBanksList(LoginRequiredMixin, OTPRequiredMixin, ObjectList):
    list_template = "partials/aggregator-country-banks.html"
    page_title = "List of banks"

    list_url_name = "aggregator_country_banks"
    list_url_args = ["type", "pk", "country"]

    context_object_name_singular = "bank"
    context_object_name = "banks"

    def get_context_data(self):
        context = super().get_context_data()
        context["pk"] = self.kwargs.get("pk")
        context["country"] = self.kwargs.get("country")
        return context

    def get_queryset(self, **kwargs):
        pk = kwargs.get("pk")
        country = kwargs.get("country")
        try:
            aggregator = Aggregator.get_by_id(pk, self.request.user)

        except Aggregator.DoesNotExist:
            message = "Aggregator does not exist"
            message_class = "danger"
            context = {
                "message": message,
                "message_class": message_class,
                "window_content": self.window_content,
            }
            return self.render_to_response(context)

        self.page_title = (
            f"Banks for {aggregator.name} in {country} "
            f"({aggregator.get_service_display()})"
        )
        run = synchronize_async_helper(NordigenClient(aggregator))
        banks = synchronize_async_helper(run.get_banks(country))
        print("BANKS", banks)
        return banks


class AggregatorLinkBank(LoginRequiredMixin, OTPRequiredMixin, View):
    def get(self, request, *args, **kwargs):
        pk = kwargs.get("pk")
        bank = kwargs.get("bank")
        try:
            aggregator = Aggregator.get_by_id(pk, self.request.user)

        except Aggregator.DoesNotExist:
            message = "Aggregator does not exist"
            message_class = "danger"
            context = {
                "message": message,
                "message_class": message_class,
                "window_content": self.window_content,
            }
            return self.render_to_response(context)
        run = synchronize_async_helper(NordigenClient(aggregator))
        auth_url = synchronize_async_helper(run.build_link(bank))

        # Redirect to auth url
        print("AUTH URL", auth_url)
        # Create a blank response
        response = HttpResponse()
        response["HX-Redirect"] = auth_url
        # return redirect(auth_url)
        return response


class ReqDelete(LoginRequiredMixin, OTPRequiredMixin, View):
    def delete(self, request, *args, **kwargs):
        pk = kwargs.get("pk")
        req_id = kwargs.get("req_id")
        try:
            aggregator = Aggregator.get_by_id(pk, self.request.user)

        except Aggregator.DoesNotExist:
            message = "Aggregator does not exist"
            message_class = "danger"
            context = {
                "message": message,
                "message_class": message_class,
                "window_content": self.window_content,
            }
            return self.render_to_response(context)
        run = synchronize_async_helper(NordigenClient(aggregator))
        synchronize_async_helper(run.delete_requisition(req_id))
        response = HttpResponse(status=204)
        response["HX-Trigger"] = "requisitionEvent"
        return response


class AggregatorList(LoginRequiredMixin, OTPRequiredMixin, ObjectList):
    list_template = "partials/aggregator-list.html"
    model = Aggregator
    page_title = "List of aggregator connections"

    list_url_name = "aggregators"
    list_url_args = ["type"]

    submit_url_name = "aggregator_create"


class AggregatorCreate(LoginRequiredMixin, OTPRequiredMixin, ObjectCreate):
    model = Aggregator
    form_class = AggregatorForm

    submit_url_name = "aggregator_create"


class AggregatorUpdate(LoginRequiredMixin, OTPRequiredMixin, ObjectUpdate):
    model = Aggregator
    form_class = AggregatorForm

    submit_url_name = "aggregator_update"


class AggregatorDelete(LoginRequiredMixin, OTPRequiredMixin, ObjectDelete):
    model = Aggregator