# -*- coding: utf-8 -*-
import datetime
from django.core.exceptions import ObjectDoesNotExist
from south.db import db
from south.v2 import DataMigration
from django.db import models
from fluent_blogs import appsettings


class Migration(DataMigration):

    def forwards(self, orm):
        db.execute(
            'INSERT INTO fluent_blogs_entry_translation(title, slug, intro, language_code, master_id)'
            ' SELECT title, slug, intro, %s, id FROM fluent_blogs_entry',
            [appsettings.FLUENT_BLOGS_DEFAULT_LANGUAGE_CODE]
        )

    def backwards(self, orm):
        # Convert all fields back to the single-language table.
        for entry in orm['fluent_blogs.Entry'].objects.all():
            translations = orm['fluent_blogs.Entry_Translation'].objects.filter(master_id=entry.id)
            try:
                # Try default translation
                translation = translations.get(language_code=appsettings.FLUENT_BLOGS_DEFAULT_LANGUAGE_CODE)
            except ObjectDoesNotExist:
                try:
                    # Try internal fallback
                    translation = translations.get(language_code__in=('en-us', 'en'))
                except ObjectDoesNotExist:
                    # Hope there is a single translation
                    translation = translations.get()

            entry.title = translation.title
            entry.slug = translation.slug
            entry.intro = translation.intro
            entry.save()   # As intended: doesn't call Entry.save() but Model.save() only.

    models = {
        u'auth.group': {
            'Meta': {'object_name': 'Group'},
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
        },
        u'auth.permission': {
            'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
        },
        u'auth.user': {
            'Meta': {'object_name': 'User'},
            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
        },
        u'categories.category': {
            'Meta': {'ordering': "('tree_id', 'lft')", 'unique_together': "(('parent', 'name'),)", 'object_name': 'Category'},
            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
            'alternate_title': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '100', 'blank': 'True'}),
            'alternate_url': ('django.db.models.fields.CharField', [], {'max_length': '200', 'blank': 'True'}),
            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'level': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
            'lft': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
            'meta_extra': ('django.db.models.fields.TextField', [], {'default': "''", 'blank': 'True'}),
            'meta_keywords': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255', 'blank': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'order': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
            'parent': ('mptt.fields.TreeForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': u"orm['categories.Category']"}),
            'rght': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '50'}),
            'thumbnail': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
            'thumbnail_height': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
            'thumbnail_width': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
            'tree_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'})
        },
        u'contenttypes.contenttype': {
            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
        },
        'fluent_blogs.entry': {
            'Meta': {'ordering': "('-publication_date',)", 'object_name': 'Entry'},
            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']"}),
            'categories': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['categories.Category']", 'symmetrical': 'False', 'blank': 'True'}),
            'creation_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'enable_comments': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'intro': ('django.db.models.fields.TextField', [], {}),
            'modification_date': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
            'parent_site': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['sites.Site']"}),
            'publication_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'db_index': 'True'}),
            'publication_end_date': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '50'}),
            'status': ('django.db.models.fields.CharField', [], {'default': "'d'", 'max_length': '1', 'db_index': 'True'}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '200'})
        },
        'fluent_blogs.entry_translation': {
            'Meta': {'object_name': 'Entry_Translation'},
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'intro': ('django.db.models.fields.TextField', [], {}),
            'language_code': ('django.db.models.fields.CharField', [], {'max_length': '15', 'db_index': 'True'}),
            'master': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'translations'", 'null': 'True', 'to': "orm['fluent_blogs.Entry']"}),
            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '50'}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '200'})
        },
        'fluent_contents.placeholder': {
            'Meta': {'unique_together': "(('parent_type', 'parent_id', 'slot'),)", 'object_name': 'Placeholder'},
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'parent_id': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
            'parent_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']", 'null': 'True', 'blank': 'True'}),
            'role': ('django.db.models.fields.CharField', [], {'default': "'m'", 'max_length': '1'}),
            'slot': ('django.db.models.fields.SlugField', [], {'max_length': '50'}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'})
        },
        u'sites.site': {
            'Meta': {'ordering': "('domain',)", 'object_name': 'Site', 'db_table': "'django_site'"},
            'domain': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
        },
        u'taggit.tag': {
            'Meta': {'object_name': 'Tag'},
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'}),
            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '100'})
        },
        u'taggit.taggeditem': {
            'Meta': {'object_name': 'TaggedItem'},
            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "u'taggit_taggeditem_tagged_items'", 'to': u"orm['contenttypes.ContentType']"}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'object_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'}),
            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "u'taggit_taggeditem_items'", 'to': u"orm['taggit.Tag']"})
        }
    }

    complete_apps = ['fluent_blogs']
    symmetrical = True
