#!/usr/bin/env python2.7
# -*- coding: utf-8 -*-

from libervia.server.constants import Const as C
from sat.core.i18n import _
from twisted.internet import defer
from twisted.words.protocols.jabber import jid
from libervia.server import session_iface
from sat.tools.common import uri
from sat.tools.common.template import safe
import time
import cgi
from sat.core.log import getLogger

name = u'event_view'
access = C.PAGES_ACCESS_PROFILE
template = u"event/invitation.html"
log = getLogger(u'pages/' + name)


@defer.inlineCallbacks
def prepare_render(self, request):
    template_data = request.template_data
    guest_session = self.host.getSessionData(request, session_iface.ISATGuestSession)
    try:
        event_uri = guest_session.data['event_uri']
    except KeyError:
        log.warning(_(u"event URI not found, can't render event page"))
        self.pageError(request, C.HTTP_SERVICE_UNAVAILABLE)

    data = self.getRData(request)

    ## Event ##

    event_uri_data = uri.parseXMPPUri(event_uri)
    if event_uri_data[u'type'] != u'pubsub':
        self.pageError(request, C.HTTP_SERVICE_UNAVAILABLE)

    event_service = template_data[u'event_service'] = jid.JID(event_uri_data[u'path'])
    event_node = template_data[u'event_node'] = event_uri_data[u'node']
    event_id = template_data[u'event_id'] = event_uri_data.get(u'item','')
    profile = self.getProfile(request)
    event_timestamp, event_data = yield self.host.bridgeCall(u"eventGet", event_service.userhost(), event_node, event_id, profile)
    try:
        background_image = event_data.pop('background-image')
    except KeyError:
        pass
    else:
        template_data['dynamic_style'] = safe(u"""
            html {
                background-image: url("%s");
                background-size: 15em;
            }
            """ % cgi.escape(background_image, True))
    template_data['event'] = event_data
    event_invitee_data = yield self.host.bridgeCall(
        u"eventInviteeGet",
        event_data['invitees_service'],
        event_data['invitees_node'],
        profile)
    template_data['invitee'] = event_invitee_data
    template_data['days_left'] = int((event_timestamp - time.time()) / (60 * 60 * 24))

    ## Blog ##

    data[u'service'] = jid.JID(event_data[u'blog_service'])
    data[u'node'] = event_data[u'blog_node']
    data[u'allow_commenting'] = u'simple'

    # we now need blog items, using blog common page
    # this will fill the "items" template data
    blog_page = self.getPageByName(u'blog_view')
    yield blog_page.prepare_render(self, request)

@defer.inlineCallbacks
def on_data_post(self, request):
    type_ = self.getPostedData(request, u'type')
    if type_ == u'comment':
        blog_page = self.getPageByName(u'blog_view')
        yield blog_page.on_data_post(self, request)
    elif type_ == u'attendance':
        profile = self.getProfile(request)
        service, node, attend, guests = self.getPostedData(request, (u'service', u'node', u'attend', u'guests'))
        data = {u'attend': attend,
                u'guests': guests}
        yield self.host.bridgeCall(u"eventInviteeSet", service, node, data, profile)
    else:
        log.warning(_(u"Unhandled data type: {}").format(type_))