from datetime import datetime

from peewee import Model
from peewee import AutoField, BlobField, BooleanField, CharField, DateTimeField, TextField, IPField, ForeignKeyField        
from peewee_async import Manager, PooledPostgresqlDatabase

from config import config

database = PooledPostgresqlDatabase(config.DATABASE,
                                    user=config.DB_USER,
                                    password=config.DB_PASSWORD,
                                    autorollback=True)

class BaseModel(Model):
  class Meta:
    database = database

class User(BaseModel):
  id = AutoField()
  signup_date = DateTimeField(default=datetime.now)
  ip_address = IPField()
  username = CharField(unique=True)
  password = BlobField() # Store password hash here (SCrypt).
  is_disabled = BooleanField(default=False)

class Tag(BaseModel):
  id = AutoField()
  tag = CharField(unique=True)

class Video(BaseModel):
  id = AutoField()
  upload_date = DateTimeField(default=datetime.now)
  video = CharField()
  thumbnail = CharField()
  uploader = ForeignKeyField(User, backref='videos')
  is_hidden = BooleanField(default=False)

class Comment(BaseModel):
  id = AutoField()
  publish_date = DateTimeField(default=datetime.now)
  text = TextField()
  user = ForeignKeyField(User, backref='comments')
  video = ForeignKeyField(Video, backref='comments')
  is_hidden = BooleanField(default=False)

class VideoTag(BaseModel):
  video = ForeignKeyField(Video, backref='tags')
  tag = ForeignKeyField(Tag, backref='videos')

class Like(BaseModel):
  user = ForeignKeyField(User, backref='likes')
  video = ForeignKeyField(Video, backref='likes')

database.connect()
database.create_tables([
  User, 
  Tag, 
  Video, 
  Comment,
  VideoTag,
  Like
])

db = Manager(database)

database.set_allow_sync(False)