from django.db import models
import datetime

# Create your models here.

class Tutorial(models.Model):
    title = models.CharField(maxlength=100)
    slug = models.SlugField(
        unique=True, 
        prepopulate_from=('title',),
        help_text="The path for this tutorial, no file extensions."
        )
    pub_date = models.DateTimeField('Published Date')
    created_date = models.DateTimeField(auto_now_add=True)
    last_modified = models.DateTimeField('Last Modified', auto_now=True)
    intro = models.TextField('Inroduction')
    related_links = models.TextField('Related Links')
    
    class Meta:
        ordering = ['-pub_date', '-created_date']

    def __str__(self):
        return self.title

    class Admin:
      pass
      fields = (
        #(None, {'fields': ('title','slug')}),
        ('Tutorial Information', {'fields': ('title','slug','pub_date','intro','related_links'), 'classes': 'collapse'}),
        #(None, {'fields': ('intro','related_links')}),

      )
      list_display = ('title', 'pub_date', 'last_modified')
      list_filter = ['last_modified']
      search_fields = ['title']

 
class Section(models.Model):
  tutorial = models.ForeignKey(Tutorial, edit_inline=True, num_in_admin=3, num_extra_on_change=1)
  title = models.CharField(maxlength=100, core=True)
  created_date = models.DateTimeField(auto_now_add=True, core=True)
  slug = models.SlugField(
        prepopulate_from=('title',),
        help_text="The link directly to a section.",
        core=True
        )
  body = models.TextField('Body', core=True)

  class Meta:
    unique_together = (("tutorial", "slug"),)
    ordering = ['created_date']