from sqlalchemy import Boolean, Table, Column, BigInteger, Integer, String, \
    MetaData, ForeignKey, DateTime, create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship, backref
import datetime
import email.utils
import simplejson


Base = declarative_base()

APPLICATION_NAME = "IRI_TWITTER" 
CONSUMER_KEY = "54ThDZhpEjokcMgHJOMnQA"
CONSUMER_SECRET = "wUoL9UL2T87tfc97R0Dff2EaqRzpJ5XGdmaN2XK3udA"
#ACCESS_TOKEN_KEY= "47312923-LiNTtz0I18YXMVIrFeTuhmH7bOvYsK6p3Ln2Dc"
#ACCESS_TOKEN_SECRET = "r3LoXVcjImNAElUpWqTu2SG2xCdWFHkva7xeQoncA"

def adapt_date(date_str):
    ts = email.utils.parsedate_tz(date_str)
    return datetime.datetime(*ts[0:7])

def adapt_json(obj):
    if obj is None:
        return None
    else:
        return simplejson.dumps(obj)

class Entity(Base):
    __tablename__ = "tweet_entity"
    id = Column(Integer, primary_key = True)
    tweet_id = Column(BigInteger, ForeignKey('tweet_tweet.id'))
    #tweet = relationship(Tweet, primaryjoin = tweet_id == Tweet.id)
    type = Column(String)
    indice_start = Column(Integer)
    indice_end = Column(Integer)
    __mapper_args__ = {'polymorphic_on': type}

    def __init__(self, **kwargs):
        for key, value in kwargs.items():
            if hasattr(self,key):
                setattr(self,key,value)


class Tweet(Base):
    __tablename__ = 'tweet_tweet'

    id = Column(BigInteger, primary_key=True, autoincrement=False)
    id_str = Column(String)
    contributors = Column(String)
    coordinates =  Column(String) 
    created_at = Column(DateTime)
    favorited = Column(Boolean)
    geo = Column(String)
    in_reply_to_screen_name = Column(String)
    in_reply_to_status_id = Column(BigInteger) 
    in_reply_to_status_id_str = Column(String)
    in_reply_to_user_id = Column(Integer)
    in_reply_to_user_id_str = Column(String)
    place = Column(String)
    retweet_count = Column(Integer)
    retweeted = Column(Boolean)
    source = Column(String)
    text = Column(String)
    truncated = Column(Boolean)
    user_id = Column(Integer, ForeignKey('tweet_user.id'))
    original_json = Column(String)
    entity_list = relationship(Entity, backref='tweet')
    
    #user = relationship(User, primaryjoin=user_id == User.id)
    
    def __init__(self, **kwargs):
        for key, value in kwargs.items():
            if hasattr(self,key):
                setattr(self,key,value)
    

class User(Base):
    __tablename__ = "tweet_user"
    
    id = Column(Integer, primary_key = True, autoincrement=False)
    id_str= Column(String)
    contributors_enabled= Column(Boolean)
    created_at= Column(DateTime)
    description= Column(String)
    favourites_count = Column(Integer)
    follow_request_sent = Column(Boolean)
    followers_count = Column(Integer)
    following = Column(String)
    friends_count = Column(Integer)
    geo_enabled= Column(Boolean)
    is_translator= Column(Boolean)
    lang = Column(String)
    listed_count = Column(Integer)
    location= Column(String)
    name = Column(String)
    notifications = Column(String)
    profile_background_color= Column(String)
    profile_background_image_url= Column(String)
    profile_background_tile= Column(Boolean)
    profile_image_url= Column(String)
    profile_link_color= Column(String)
    profile_sidebar_border_color= Column(String)
    profile_sidebar_fill_color= Column(String)
    profile_text_color= Column(String)
    profile_use_background_image= Column(Boolean)
    protected= Column(Boolean)
    screen_name= Column(String)
    show_all_inline_media= Column(Boolean)
    statuses_count = Column(Integer)
    time_zone= Column(String)
    url= Column(String)
    utc_offset = Column(Integer)
    verified= Column(Boolean)
    tweets = relationship(Tweet, backref='user')

    def __init__(self, **kwargs):
        for key, value in kwargs.items():
            if hasattr(self,key):
                setattr(self,key,value)

    

class Hashtag(Base):
    __tablename__ = "tweet_hashtag"
    id = Column(Integer, primary_key=True)
    text = Column(String, unique = True)
    def __init__(self, **kwargs):
        for key, value in kwargs.items():
            if hasattr(self,key):
                setattr(self,key,value)



class Url(Base):
    __tablename__ = "tweet_url"
    id = Column(Integer, primary_key=True)
    url = Column(String, unique=True)
    expanded_url = Column(String)
    def __init__(self, **kwargs):
        for key, value in kwargs.items():
            if hasattr(self,key):
                setattr(self,key,value)

    

class EntityHashtag(Entity):
    __tablename__ = "tweet_entity_hashtag"
    __mapper_args__ = {'polymorphic_identity': 'entity_hashtag'}
    id = Column(Integer, ForeignKey('tweet_entity.id'), primary_key=True)
    hashtag_id = Column(Integer, ForeignKey("tweet_hashtag.id"))
    hashtag = relationship(Hashtag, primaryjoin=hashtag_id == Hashtag.id)
    def __init__(self, **kwargs):
        super(EntityHashtag, self).__init__(**kwargs)
        for key, value in kwargs.items():
            if hasattr(self,key):
                setattr(self,key,value)

    
class EntityUrl(Entity):
    __tablename__ = "tweet_entity_url"
    __mapper_args__ = {'polymorphic_identity': 'entity_url'}
    id = Column(Integer, ForeignKey('tweet_entity.id'), primary_key=True)
    url_id = Column(Integer, ForeignKey("tweet_url.id"))
    url = relationship(Url, primaryjoin=url_id == Url.id)
    def __init__(self, **kwargs):
        super(EntityUrl, self).__init__(**kwargs)
        for key, value in kwargs.items():
            if hasattr(self,key):
                setattr(self,key,value)

class EntityUser(Entity):
    __tablename__ = "tweet_entity_user"
    __mapper_args__ = {'polymorphic_identity': 'entity_user'}
    id = Column(Integer, ForeignKey('tweet_entity.id'), primary_key=True)
    user_id = Column(Integer, ForeignKey('tweet_user.id'))
    user = relationship(User, primaryjoin=user_id == User.id)

    def __init__(self, **kwargs):
        super(EntityUser, self).__init__(**kwargs)
        for key, value in kwargs.items():
            if hasattr(self,key):
                setattr(self,key,value)
                
                
def setup_database(*args, **kwargs):
        
    create_all = True        
    if "create_all" in kwargs:
        create_all = kwargs["create_all"]
        del(kwargs["create_all"])

    engine = create_engine(*args, **kwargs)
    metadata = Base.metadata
            
    if create_all:
        metadata.create_all(engine)

    return (engine, metadata)

rest_tweet_tweet = {
    u'iso_language_code': 'unicode',
    u'text': 'unicode',
    u'from_user_id_str': 'unicode',
    u'profile_image_url': 'unicode',
    u'to_user_id_str': 'NoneType',
    u'created_at': 'unicode',
    u'source': 'unicode',
    u'to_user': 'unicode',
    u'id_str': 'unicode',
    u'from_user': 'unicode',
    u'place': {u'type': 'unicode', u'id': 'unicode', u'full_name': 'unicode'},
    u'from_user_id': 'int',
    u'to_user_id': 'NoneType',
    u'geo': 'NoneType',
    u'id': 'int',
    u'metadata': {u'result_type': 'unicode'}
}

tweet_tweet = {
    'contributors': None,
    'coordinates': None, 
    'created_at': 'date', 
    'entities': "tweet_entity", 
    'favorited': "bool",
    'geo': None,
    'id': "long",
    'id_str': "string",
    'in_reply_to_screen_name': "string", 
    'in_reply_to_status_id': "long", 
    'in_reply_to_status_id_str': "string",
    'in_reply_to_user_id': "int",
    'in_reply_to_user_id_str': "string",
    'place': "string",
    'retweet_count': "int",
    'retweeted': "bool",
    'source': "string",
    'text': "string",
    'truncated': "bool",
    'user': "tweet_user"
}
tweet_user = {
    'contributors_enabled': 'bool',
    'created_at': 'str',
    'description': 'str',
    'favourites_count': 'int',
    'follow_request_sent': None,
    'followers_count': 'int',
    'following': None,
    'friends_count': 'int',
    'geo_enabled': 'bool',
    'id': 'int',
    'id_str': 'str',
    'is_translator': 'bool',
    'lang': 'str',
    'listed_count': 'int',
    'location': 'str',
    'name': 'str',
    'notifications': 'NoneType',
    'profile_background_color': 'str',
    'profile_background_image_url': 'str',
    'profile_background_tile': 'bool',
    'profile_image_url': 'str',
    'profile_link_color': 'str',
    'profile_sidebar_border_color': 'str',
    'profile_sidebar_fill_color': 'str',
    'profile_text_color': 'str',
    'profile_use_background_image': 'bool',
    'protected': 'bool',
    'screen_name': 'str',
    'show_all_inline_media': 'bool',
    'statuses_count': 'int',
    'time_zone': 'str',
    'url': 'str',
    'utc_offset': 'int',
    'verified': 'bool',
}


tweet_entity_hashtag = {
    'hashtag' : 'tweet_hashtag',
    'indice_start' : 'int',
    'indice_end' : 'int',
    'tweet':'tweet_tweet'
}

tweet_entity_url = {
    'url' : 'tweet_url',
    'indice_start' : 'int',
    'indice_end' : 'int',
    'tweet':'tweet_tweet'
}

tweet_entity_user = {
    'user' : 'tweet_user',
    'indice_start' : 'int',
    'indice_end' : 'int',
    'tweet':'tweet_tweet'
}

#id int
#id_str str
#indices list
#name str
#screen_name str

tweet_hashtag = {
    "text": "string"
}

tweet_url = {
    "url": "string",
    "expanded_url" : "string",    
}

