#coding:utf-8

from __future__ import print_function

import httplib2

from django.template import loader

from django.core.cache import cache

from django.utils import six

from django.utils.translation import ugettext as _

from xadmin.sites import site

from xadmin.models import UserSettings

from xadmin.views import BaseAdminPlugin, BaseAdminView

from xadmin.util import static, json

import six

if six.PY2:

    import urllib

else:

    import urllib.parse

import requests

THEME_CACHE_KEY = 'xadmin_themes'

class ThemePlugin(BaseAdminPlugin):

    enable_themes = False

    # {'name': 'Blank Theme', 'description': '...', 'css': 'http://...', 'thumbnail': '...'}

    user_themes = None

    use_bootswatch = False

    default_theme = static('xadmin/css/themes/bootstrap-xadmin.css')

    bootstrap2_theme = static('xadmin/css/themes/bootstrap-theme.css')

    def init_request(self, *args, **kwargs):

        return self.enable_themes

    def _get_theme(self):

        if self.user:

            try:

                return UserSettings.objects.get(user=self.user, key="site-theme").value

            except Exception:

                pass

        if '_theme' in self.request.COOKIES:

            if six.PY2:

                func = urllib.unquote

            else:

                func = urllib.parse.unquote

            return func(self.request.COOKIES['_theme'])

        return self.default_theme

    def get_context(self, context):

        context['site_theme'] = self._get_theme()

        return context

    # Media

    def get_media(self, media):

        return media + self.vendor('jquery-ui-effect.js', 'xadmin.plugin.themes.js')

    # Block Views

    def block_top_navmenu(self, context, nodes):

        themes = [

            {'name': _(u"Default"), 'description': _(u"Default bootstrap theme"), 'css': self.default_theme},

            {'name': _(u"Bootstrap2"), 'description': _(u"Bootstrap 2.x theme"), 'css': self.bootstrap2_theme},

            ]

        select_css = context.get('site_theme', self.default_theme)

        if self.user_themes:

            themes.extend(self.user_themes)

        if self.use_bootswatch:

            ex_themes = cache.get(THEME_CACHE_KEY)

            if ex_themes:

                themes.extend(json.loads(ex_themes))

            else:

                ex_themes = []

                try:

                    # h = httplib2.Http()

                    # resp, content = h.request("https://bootswatch.com/api/3.json", 'GET', '',

                    #     headers={"Accept": "application/json", "User-Agent": self.request.META['HTTP_USER_AGENT']})

                    # if six.PY3:

                    #     content = content.decode()

                    # watch_themes = json.loads(content)['themes']

                    # ex_themes.extend([

                    #     {'name': t['name'], 'description': t['description'],

                    #         'css': t['cssMin'], 'thumbnail': t['thumbnail']}

                    #     for t in watch_themes])

                    flag = False  # 假如为True使用原来的代码，假如为Flase，使用requests库来访问

                    if flag:

                        h = httplib2.Http()

                        resp, content = h.request("http://bootswatch.com/api/3.json", 'GET', '',

                                                  headers={"Accept": "application/json",

                                                           "User-Agent": self.request.META['HTTP_USER_AGENT']})

                        if six.PY3:

                            content = content.decode()

                        watch_themes = json.loads(content)['themes']

                    else:

                        content = requests.get("https://bootswatch.com/api/3.json")

                        if six.PY3:

                            content = content.text.decode()

                        watch_themes = json.loads(content.text)['themes']

                    ex_themes.extend([

                        {'name': t['name'], 'description': t['description'],

                         'css': t['cssMin'], 'thumbnail': t['thumbnail']}

                        for t in watch_themes])

                except Exception as e:

                    print(e)

                cache.set(THEME_CACHE_KEY, json.dumps(ex_themes), 24 * 3600)

                themes.extend(ex_themes)

        nodes.append(loader.render_to_string('xadmin/blocks/comm.top.theme.html', {'themes': themes, 'select_css': select_css}))

site.register_plugin(ThemePlugin, BaseAdminView)