from django.contrib.sitemaps import Sitemap
from django.core.urlresolvers import reverse

from main.models import Package
from news.models import News
from packages.utils import get_group_info

class PackagesSitemap(Sitemap):
    changefreq = "weekly"
    priority = "0.5"

    def items(self):
        return Package.objects.normal()

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


class PackageFilesSitemap(PackagesSitemap):
    changefreq = "monthly"
    priority = "0.3"

    def location(self, obj):
        return PackagesSitemap.location(self, obj) + 'files/'

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


class PackageGroupsSitemap(Sitemap):
    changefreq = "weekly"
    priority = "0.4"

    def items(self):
        return get_group_info()

    def lastmod(self, obj):
        return obj['last_update']

    def location(self, obj):
        return '/groups/%s/%s/' % (obj['arch'], obj['name'])


class NewsSitemap(Sitemap):
    changefreq = "never"
    priority = "0.8"

    def items(self):
        return News.objects.all()

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


class BaseSitemap(Sitemap):
    base_viewnames = (
            ('index', 1.0, 'hourly'),
            ('packages-search', 0.8, 'hourly'),
            'page-about', 'page-art', 'page-svn', 'page-devs', 'page-tus',
            'page-fellows', 'page-donate', 'page-download', 'news-list',
            'feeds-list', 'groups-list', 'mirror-list', 'mirror-status',
            'mirrorlist', 'packages-differences', 'releng-test-overview',
    )

    def items(self):
        return self.base_viewnames

    def location(self, obj):
        name = obj
        if isinstance(obj, tuple):
            name = obj[0]
        return reverse(name)

    def priority(self, obj):
        if isinstance(obj, tuple):
            return obj[1]
        return 0.7

    def changefreq(self, obj):
        if isinstance(obj, tuple):
            return obj[2]
        return 'monthly'

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