from __future__ import unicode_literals

from django.db import models
from django.utils.encoding import python_2_unicode_compatible


@python_2_unicode_compatible
class Place(models.Model):
    name = models.CharField(max_length=50)
    address = models.CharField(max_length=80)

    def __str__(self):
        return "%s the place" % self.name


@python_2_unicode_compatible
class Restaurant(models.Model):
    place = models.OneToOneField(Place)
    serves_hot_dogs = models.BooleanField(default=False)
    serves_pizza = models.BooleanField(default=False)

    def __str__(self):
        return "%s the restaurant" % self.place.name


@python_2_unicode_compatible
class Bar(models.Model):
    place = models.OneToOneField(Place)
    serves_cocktails = models.BooleanField(default=True)

    def __str__(self):
        return "%s the bar" % self.place.name


class UndergroundBar(models.Model):
    place = models.OneToOneField(Place, null=True)
    serves_cocktails = models.BooleanField(default=True)


@python_2_unicode_compatible
class Favorites(models.Model):
    name = models.CharField(max_length=50)
    restaurants = models.ManyToManyField(Restaurant)

    def __str__(self):
        return "Favorites for %s" % self.name


class Target(models.Model):
    pass


class Pointer(models.Model):
    other = models.OneToOneField(Target, primary_key=True)


class Pointer2(models.Model):
    other = models.OneToOneField(Target, related_name='second_pointer')


class HiddenPointer(models.Model):
    target = models.OneToOneField(Target, related_name='hidden+')