# -*- coding: utf-8 -*-
from django.db import models
from django.utils.translation import ugettext_lazy as _
from hvad.models import TranslatableModel, TranslatedFields
from bitfield import BitField

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

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

    """
    FLAGS = (
        ('exposition', 'Выставка'),
        ('conference', 'Конференция'),
        ('seminar', 'Семинар'),
        ('webinar', 'Вебинар'),
    )
    types = BitField([k for k, v in FLAGS])
    #translated fields
    translations = TranslatedFields(
        name = models.CharField(max_length=100),
        main_title = models.CharField(max_length=100),
        description = models.TextField(blank=True),
        #-----meta data
        title = models.CharField(max_length=250, blank=True),
        descriptions = models.CharField(max_length=250, blank=True),
        keywords = models.CharField(max_length=250, blank=True),
    )
    #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 Tag(TranslatableModel):
    """
    Create Tag model

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

    """
    theme = models.ForeignKey(Theme, related_name='themes')
    #translated fields
    translations = TranslatedFields(
        name = models.CharField(max_length=100),
        main_title = models.CharField(max_length=100),
        description = models.TextField(blank=True),
        #-----meta data
        title = models.CharField(max_length=250, blank=True),
        descriptions = models.CharField(max_length=250, blank=True),
        keywords = models.CharField(max_length=250, blank=True),

    )
    #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))