from django.contrib import messages
from django.contrib.auth.mixins import LoginRequiredMixin

from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
from konova.views.base import BaseView, BaseModalFormView
from user.forms.modals.user import UserContactForm
from user.forms.user import UserNotificationForm
from user.models import User
from django.http import HttpRequest
from django.shortcuts import render, redirect
from django.utils.translation import gettext_lazy as _

from konova.contexts import BaseContext


class UserBaseView(BaseView):
    def _user_has_shared_access(self, user, **kwargs):
        return True

    def _user_has_permission(self, user, **kwargs):
        return True


class UserDetailView(LoginRequiredMixin, UserBaseView):
    _TEMPLATE = "user/index.html"
    _TAB_TITLE = _("User settings")

    def get(self, request: HttpRequest):
        context = {
            "user": request.user,
            TAB_TITLE_IDENTIFIER: self._TAB_TITLE,
        }
        context = BaseContext(request, context).context
        return render(request, self._TEMPLATE, context)


class NotificationsView(LoginRequiredMixin, UserBaseView):
    _TEMPLATE = "user/notifications.html"
    _TAB_TITLE = _("User notifications")

    def get(self, request: HttpRequest):
        user = request.user
        form = UserNotificationForm(user=user, data=None)
        context = {
            "user": user,
            "form": form,
            TAB_TITLE_IDENTIFIER: self._TAB_TITLE,
        }
        context = BaseContext(request, context).context
        return render(request, self._TEMPLATE, context)

    def post(self, request: HttpRequest):
        user = request.user
        form = UserNotificationForm(user=user, data=request.POST)
        if form.is_valid():
            form.save()
            messages.success(
                request,
                _("Notifications edited")
            )
            return redirect("user:detail")
        context = {
            "user": user,
            "form": form,
            TAB_TITLE_IDENTIFIER: self._TAB_TITLE,
        }
        context = BaseContext(request, context).context
        return render(request, self._TEMPLATE, context)


class ContactView(LoginRequiredMixin, BaseModalFormView):
    _FORM_CLS = UserContactForm
    _MODEL_CLS = User

    def _user_has_shared_access(self, user, **kwargs):
        # No specific constraints
        return True

    def _user_has_permission(self, user, **kwargs):
        # No specific constraints
        return True