#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2014  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>
#

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# See the file COPYING for details.

import datetime
from haystack import indexes
from django.db.models import Q

from chimere import models
from chimere.views import checkDate

class GeographicItemIndex(indexes.SearchIndex):
    text = indexes.CharField(document=True, use_template=True)
    categories = indexes.MultiValueField()
    # for autocomplete
    content_auto = indexes.EdgeNgramField(model_attr='name')

    def index_queryset(self, using=None):
        q = checkDate(Q(status='A', categories__available=True,
                        categories__category__available=True))
        return self.get_model().objects.filter(q).distinct('pk').order_by('pk')

    def prepare_categories(self, obj):
        cats = []
        for cat in obj.categories.all():
            cats.append(cat.name)
        return cats

class MarkerIndex(GeographicItemIndex, indexes.Indexable):
    location = indexes.LocationField(model_attr='point')
    def get_model(self):
        return models.Marker

"""
class RouteIndex(GeographicItemIndex, indexes.Indexable):
    location = indexes.LocationField()
    def get_model(self):
        return models.Route

    def prepare_location(self, obj):
        centroid = obj.route.centroid
        return "%s,%s" % (centroid.y, centroid.x)
"""