from django.db import models
from django.contrib.auth.models import User
from django.forms import ModelForm
from django import forms

# Create your models here.
class Author(models.Model):
	id = models.AutoField(primary_key=True)
	given_initials = models.CharField(max_length=50)
	first_name = models.CharField(max_length=50,blank=True)
	last_name = models.CharField(max_length=50)
	email = models.EmailField(null=True,blank=True)
	affiliation = models.CharField(max_length=500,null=True,blank=True)
	position = models.CharField(max_length=100,null=True,blank=True)
	subject_area = models.CharField(max_length=3,null=True,blank=True)
	def __unicode__(self):
		return self.first_name+' ' + self.last_name + ' ' + self.affiliation + ' ' + self.email

class Publication(models.Model):
	id = models.AutoField(primary_key=True)
	title = models.CharField(max_length=500)
	publisher = models.CharField(max_length=300,null=True,blank=True)
	type_published_in = models.CharField(max_length=200,null=True,blank=True)
	volume = models.CharField(max_length=10,null=True,blank=True)
	year = models.IntegerField(default=0000,blank=True)
	URL = models.URLField(verify_exists=True,max_length=200,null=True,blank=True)
	keywords = models.TextField(null=True,blank=True)
	abstract = models.TextField(null=True,blank=True)
	number = models.CharField(max_length=10,null=True,blank=True)
	pages  = models.CharField(max_length=20,null=True,blank=True)
	cited_by = models.IntegerField(default=0,blank=True)
        event_title = models.CharField(max_length=500,blank=True)
	#Below are not really author_id rather than author object
	author_id = models.ManyToManyField(Author)
	userid = models.ManyToManyField(User)
	def __unicode__(self):
		return self.title + ' ' + self.publisher
	class Meta:
		ordering = ('-year',)

class LoginForm(forms.Form):
	username = forms.CharField(max_length=100)
	password = forms.CharField(max_length=100)


class AuthorForm(ModelForm):
    class Meta:
        model = Author

class PublicationForm(ModelForm):
    class Meta:
        model = Publication

#class User_active_author(models.Model):
#	user = models.ForeignKey(User, unique=True)
#	pubid = models.ManyToManyField(Publication)
#	authorid = models.ManyToManyField(Author)