# -*- coding: utf-8 -*-
from django.db import models
from django.contrib.contenttypes import generic
from hvad.models import TranslatableModel, TranslatedFields
from functions.custom_fields import EnumField
from functions.custom_fields import LocationField


CONFERENCE_TYPE = (('Convention centre', 'Конгресс-центр'), ('Exposition centre', 'Конференц зал'),)

class PlaceConference(TranslatableModel):
    """
    Create PlaceConference model

    Uses hvad.TranslatableModel which is child of django.db.models class

    """
    url = models.SlugField(unique=True)
    country = models.ForeignKey('country.Country', on_delete=models.PROTECT)
    city = models.ForeignKey('city.City', on_delete=models.PROTECT)
    #type uses EnumField for creating Enum type field in Mysql database
    type = EnumField(values = [item1 for item1, item2 in CONFERENCE_TYPE])
    #information
    #
    address= LocationField(verbose_name='Адресс')
    #
    phone = models.PositiveIntegerField(blank=True, null=True)
    fax = models.PositiveIntegerField(blank=True, null=True)
    web_page = models.URLField(blank=True)
    email = models.EmailField(blank=True)
    total_capacity = models.PositiveIntegerField(blank=True, null=True)
    amount_halls = models.PositiveIntegerField(blank=True, null=True)
    exposition_hall = models.NullBooleanField()
    exp_hall_area = models.PositiveIntegerField(blank=True, null=True)
    #
    wifi = models.NullBooleanField()
    multimedia_equipment = models.NullBooleanField()
    conference_call = models.NullBooleanField()
    translate_equipment = models.NullBooleanField()
    banquet_hall = models.NullBooleanField()
    catering = models.NullBooleanField()
    hotel = models.NullBooleanField()
    #
    files = generic.GenericRelation('file.FileModel',content_type_field='content_type', object_id_field='object_id')
    #translations is translated fields
    translations = TranslatedFields(
        name = models.CharField(max_length=100),
        description = models.TextField(blank=True),
        adress = models.TextField(blank=True),
        hall_capacity = models.CharField(max_length=255, blank=True),
        #-----meta data
        title = models.CharField(max_length=250),
        descriptions = models.CharField(max_length=250),
        keywords = models.CharField(max_length=250),
    )
    #fields saves information about creating and changing model
    created = models.DateTimeField(auto_now_add=True)
    modified = models.DateTimeField(auto_now=True)

    def __unicode__(self):
        return self.lazy_translation_getter('name', unicode(self.pk))

class Hall(models.Model):
    """
    Create Hall model which saves information about halls in PlaceConference
    """
    place_conference = models.ForeignKey(PlaceConference)
    name = models.CharField(max_length=100, blank=True)
    number = models.PositiveIntegerField(blank=True, null=True)
    capacity = models.PositiveIntegerField(blank=True, null=True)