"""
Author: Michel Peltriaux
Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
Contact: michel.peltriaux@sgdnord.rlp.de
Created on: 09.08.21

"""
from django.contrib.auth.mixins import LoginRequiredMixin
from django.urls import reverse
from django.http import HttpRequest
from django.shortcuts import get_object_or_404
from django.utils.decorators import method_decorator
from django.views import View

from compensation.forms.modals.payment import NewPaymentForm, RemovePaymentModalForm, EditPaymentModalForm
from compensation.models import Payment
from intervention.models import Intervention
from konova.decorators import default_group_required, shared_access_required
from konova.utils.message_templates import PAYMENT_ADDED, PAYMENT_REMOVED, PAYMENT_EDITED


class NewPaymentView(LoginRequiredMixin, View):

    def __process_request(self, request: HttpRequest, id: str):
        """ Renders a modal view for adding new payments

        Args:
            request (HttpRequest): The incoming request
            id (str): The intervention's id for which a new payment shall be added

        Returns:

        """
        intervention = get_object_or_404(Intervention, id=id)
        form = NewPaymentForm(request.POST or None, instance=intervention, request=request)
        return form.process_request(
            request,
            msg_success=PAYMENT_ADDED,
            redirect_url=reverse("intervention:detail", args=(id,)) + "#related_data"
        )

    @method_decorator(default_group_required)
    @method_decorator(shared_access_required(Intervention, "id"))
    def get(self, request: HttpRequest, id: str):
        return self.__process_request(request, id=id)

    @method_decorator(default_group_required)
    @method_decorator(shared_access_required(Intervention, "id"))
    def post(self, request: HttpRequest, id: str):
        return self.__process_request(request, id=id)


class RemovePaymentView(LoginRequiredMixin, View):

    def __process_request(self, request: HttpRequest, id: str, payment_id: str):
        """ Renders a modal view for removing payments

        Args:
            request (HttpRequest): The incoming request
            id (str): The intervention's id
            payment_id (str): The payment's id

        Returns:

        """
        intervention = get_object_or_404(Intervention, id=id)
        payment = get_object_or_404(Payment, id=payment_id)
        form = RemovePaymentModalForm(request.POST or None, instance=intervention, payment=payment, request=request)
        return form.process_request(
            request=request,
            msg_success=PAYMENT_REMOVED,
            redirect_url=reverse("intervention:detail", args=(payment.intervention_id,)) + "#related_data"
        )

    @method_decorator(default_group_required)
    @method_decorator(shared_access_required(Intervention, "id"))
    def get(self, request: HttpRequest, id: str, payment_id: str):
        return self.__process_request(request, id=id, payment_id=payment_id)

    @method_decorator(default_group_required)
    @method_decorator(shared_access_required(Intervention, "id"))
    def post(self, request: HttpRequest, id: str, payment_id: str):
        return self.__process_request(request, id=id, payment_id=payment_id)


class EditPaymentView(LoginRequiredMixin, View):
    def __process_request(self, request: HttpRequest, id: str, payment_id: str):
        """ Renders a modal view for editing payments

        Args:
            request (HttpRequest): The incoming request
            id (str): The intervention's id
            payment_id (str): The payment's id

        Returns:

        """
        intervention = get_object_or_404(Intervention, id=id)
        payment = get_object_or_404(Payment, id=payment_id)
        form = EditPaymentModalForm(request.POST or None, instance=intervention, payment=payment, request=request)
        return form.process_request(
            request=request,
            msg_success=PAYMENT_EDITED,
            redirect_url=reverse("intervention:detail", args=(payment.intervention_id,)) + "#related_data"
        )

    @method_decorator(default_group_required)
    @method_decorator(shared_access_required(Intervention, "id"))
    def get(self, request: HttpRequest, id: str, payment_id: str):
        return self.__process_request(request, id=id, payment_id=payment_id)

    @method_decorator(default_group_required)
    @method_decorator(shared_access_required(Intervention, "id"))
    def post(self, request: HttpRequest, id: str, payment_id: str):
        return self.__process_request(request, id=id, payment_id=payment_id)