# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.http import Http404
from django.views.generic.dates import DateDetailView, ArchiveIndexView, \
    YearArchiveView, MonthArchiveView, DayArchiveView

from .models import NewsboxSEOBase, NewsboxExpiredBase


class NewsboxBaseArchiveView(object):
    """
    This view is responsible for displaying a list of newsbox
    """
    date_field = "newsbox_publication_start_date"
    slug_field = "newsbox_slug"
    paginate_by = 10
    make_object_list = True
    allow_future = True
    template_name = "newsbox/list.html"
    context_object_name = 'newsset'
    title = None

    def get_context_data(self, *args, **kwargs):
        context = super(NewsboxBaseArchiveView, self).get_context_data(*args, **kwargs)
        with_pager = context['is_paginated']
        context['newsset'].number = context['page_obj'].number
        context['newsset'].has_previous = context['page_obj'].has_previous
        context['newsset'].has_next = context['page_obj'].has_next
        context['newsset'].next_page_number = context['page_obj'].next_page_number
        context['newsset'].previous_page_number = context['page_obj'].previous_page_number
        context['newsset'].paginator = context['paginator']
        if self.title == None:
            title = self.model._meta.verbose_name_plural.capitalize()
        else:
            title=self.title
        context.update({
            'instance': None,
            'title': title,
            'title_url': '',
            'newsbox_opts':self.model._newsbox_meta,
            'with_pager': with_pager,
            'date_list_period':self.date_list_period,
        })

        return context

    def get_queryset(self):
        queryset = super(NewsboxBaseArchiveView, self).get_queryset()
        if not self.request.user.is_staff:
            queryset = queryset.filter(pk__in=self.model.objects.published())
        return queryset


class NewsboxArchiveView(NewsboxBaseArchiveView, ArchiveIndexView):
    pass


class NewsboxYearArchiveView(NewsboxBaseArchiveView, YearArchiveView):
    pass


class NewsboxMonthArchiveView(NewsboxBaseArchiveView, MonthArchiveView):
    month_format = "%m"


class NewsboxDayArchiveView(NewsboxBaseArchiveView, DayArchiveView):
    month_format = "%m"


class NewsboxDetailView(DateDetailView):
    """
    This view is responsible for displaying a newsbox
    """
    month_format = "%m"
    date_field = "newsbox_publication_start_date"
    slug_field = "newsbox_slug"
    template_name = "newsbox/detail.html"
    context_object_name = "news"
    allow_future = True

    def get_context_data(self, **kwargs):
        context = super(NewsboxDetailView, self).get_context_data(**kwargs)
        if 'NewsboxCMSBase' in (base.__name__ for base in self.model.__bases__):
            from menus.utils import set_language_changer
            set_language_changer(self.request, self.object.get_absolute_url)
        context['newsbox_seo'] = isinstance(context['news'], NewsboxSEOBase)
        context['newsbox_expired'] = isinstance(context['news'], NewsboxExpiredBase)
        context['object'] = context['news']
        return context

    def get_object(self, queryset=None):
        # We check user permission
        obj = super(NewsboxDetailView, self).get_object(queryset)
        if(
            not obj.is_published()
            and not obj.has_change_permission(self.request)
        ):
            raise Http404
        return obj