# -*- coding: utf-8 -*-
# Import the reverse lookup function
from django.core.urlresolvers import reverse

# view imports
from django.views.generic import DetailView
from django.views.generic import RedirectView
from django.views.generic import UpdateView
from django.views.generic import ListView

# Only authenticated users can access views using this.
from braces.views import LoginRequiredMixin

# Import the form from users/forms.py
from .forms import UserForm

# Import the customized User model
from .models import User


class UserDetailView(LoginRequiredMixin, DetailView):
    model = User
    # These next two lines tell the view to index lookups by username
    slug_field = "username"
    slug_url_kwarg = "username"


class UserRedirectView(LoginRequiredMixin, RedirectView):
    permanent = False

    def get_redirect_url(self):
        return reverse("users:detail",
            kwargs={"username": self.request.user.username})


class UserUpdateView(LoginRequiredMixin, UpdateView):

    form_class = UserForm

    # we already imported User in the view code above, remember?
    model = User

    # send the user back to their own page after a successful update
    def get_success_url(self):
        return reverse("users:detail",
                    kwargs={"username": self.request.user.username})

    def get_object(self):
        # Only get the User record for the user making the request
        return User.objects.get(username=self.request.user.username)


class UserListView(LoginRequiredMixin, ListView):
    model = User
    # These next two lines tell the view to index lookups by username
    slug_field = "username"
    slug_url_kwarg = "username"


class FetchFloodMapView(LoginRequiredMixin, DetailView):
    model = User
    slug_field = "username"
    slug_url_kwarg = "username"

    def get_context_data(self, **kwargs):
        context_data = super(FetchFloodMapView, self).get_context_data(**kwargs)

        # fetch flood maps using NOAH API
        municipality = self.object.lgu.municipality
        floodmaps = municipality.get_floodmaps()

        # add newly fetched floodmaps to context
        context_data.update({
            'floodmaps': floodmaps
        })

        return context_data
