import datetime
from django.contrib.sitemaps import Sitemap
from exposition.models import Exposition
from conference.models import Conference
from city.models import City
from country.models import Country
from theme.models import Theme, Tag
from article.models import Article
from django.core.urlresolvers import reverse
from django.core.paginator import Paginator


class Abstract(Sitemap):
    changefreq = 'weekly'
    priority = 0.8

    def lastmod(self, obj):
        return datetime.date.today()


class ExpoCard(Abstract):
    changefreq = 'weekly'
    priority = 0.8

    def items(self):
        return Exposition.enable.upcoming()

    def lastmod(self, obj):
        return obj.modified

class ExpoCity(Abstract):

    def items(self):
        return City.used.expo_cities()

    def location(self, obj):
        return "/expo/city/%s/" % obj.url

class ExpoCountry(Abstract):
    def items(self):
        return Country.objects.expo_countries()

    def location(self, obj):
        return "/expo/country/%s/" % obj.url

class ExpoTheme(Abstract):
    def items(self):
        return Theme.active.expo_themes()

    def location(self, obj):
        return "/expo/theme/%s/" % obj.url

class ExpoTag(Abstract):
    def items(self):
        return Tag.active.expo_tag()

    def location(self, obj):
        return "/expo/tag/%s/" % obj.url



class ConfCard(Sitemap):
    changefreq = 'weekly'
    priority = 0.8

    def items(self):
        return Conference.enable.upcoming()

    def lastmod(self, obj):
        return obj.modified

    def location(self, obj):
        return "/conference/%s/" % obj.url


class ConfCity(Abstract):

    def items(self):
        return City.used.conference_cities()

    def location(self, obj):
        return "/conference/city/%s/" % obj.url

class ConfCountry(Abstract):
    def items(self):
        return Country.objects.conference_countries()

    def location(self, obj):
        return "/conference/country/%s/" % obj.url

class ConfTheme(Abstract):
    def items(self):
        return Theme.active.conference_themes_with_count()

    def location(self, obj):
        return "/conference/theme/%s/" % obj.url

class ConfTag(Abstract):
    def items(self):
        return Tag.active.conference_tags()

    def location(self, obj):
        return "/conference/tag/%s/" % obj.url


class NewsSiteMap(Abstract):
    priority = 0.5
    def items(self):
        return Article.objects.news().filter(publish_date__isnull=False)

    def location(self, obj):
        return "/news/%s/" % obj.slug

class BlogsSiteMap(Abstract):
    priority = 0.5
    def items(self):
        return Article.objects.blogs().filter(publish_date__isnull=False)

    def location(self, obj):
        return "/blogs/%s/" % obj.slug


class SimpleAbstract(Sitemap):
    priority = 0.5

    def location(self, item):
        return item


class Important(SimpleAbstract):
    priority = 1

    def items(self):
        return ['', '/expo/', '/conference/', '/conference/country/', '/conference/city/', '/conference/theme/',
                '/expo/theme/', '/expo/country/', '/expo/city/']

class Additional(SimpleAbstract):
    priority = 0.5

    def items(self):
        return ['/blogs/', '/news/', '/partners/', '/about/', '/advertising/', '/contacts/']