from django.db import models
from django.core.files.storage import FileSystemStorage
from django.contrib.auth.models import User


class Abstract(models.Model): 
    title = models.CharField(max_length=128, blank=True, null=True)
    link = models.URLField(blank=True, null=True)
    show_date = models.DateTimeField()
    abstract = models.TextField()
    more_details = models.JSONField(blank=True, null=True)

    class Meta:
        verbose_name_plural = "Abstracts"
        ordering = ['title']

    def __unicode__(self):
        return "%s" % self.show_title

    def __str__(self):
        return u'%s' % self.show_title


class Author(models.Model):
    AUTHOR_TYPE = (
        ('Ug', 'Undergrad'),
        ('Gs', 'Grad Student'),
        ('Ms', 'Masters'),
        ('Dr', 'Doctorate'),
        ('Ot', 'Other')
    )
    name = models.CharField(max_length=64)
    author_type = models.CharField(max_length=16, choices=AUTHOR_TYPE, default='0')
    bio = models.TextField(blank=True, null=True)
    link = models.URLField(blank=True, null=True)
    notes = models.TextField(blank=True, null=True)

    class Meta:
        verbose_name_plural = "Authors"

    def __unicode__(self):
        return "%s" % self.name

    def __str__(self):
        return u'%s' % self.name
    
    
class Tag(models.Model):
    name = models.CharField(max_length=64)
    description = models.TextField(blank=True, null=True)
    slug = models.SlugField()

    class Meta:
        verbose_name_plural = "Tags"

    def __unicode__(self):
        return "%s" % self.name

    def __str__(self):
        return u'%s' % self.name