from sqlalchemy import Column, String, TIMESTAMP, func, BIGINT, ARRAY
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy_utils.types.pg_composite import CompositeType
from sqlalchemy.ext.mutable import MutableList

Base = declarative_base()

CompositeType.cache_ok = False

comment_type = CompositeType(
    'comment',
    [
        Column('content', String),
        Column('ip', String),
        Column('hash', String),
        Column('created_at', TIMESTAMP),
        Column("sha1", String)
    ]
)


# post
class SQLarticle(Base):
    __tablename__ = 'posts'
    
    id = Column(BIGINT, primary_key=True)
    content = Column(String)
    file_list = Column(ARRAY(String))
    hash = Column(String)
    comment_list = Column(MutableList.as_mutable(ARRAY(comment_type)))


# post metadata
class SQLmeta(Base):
    __tablename__ = 'article_meta'
    
    hash = Column(String, primary_key=True)
    created_at = Column(TIMESTAMP(timezone=True), server_default=func.now())
    igid = Column(String)
    ip = Column(String)


# post mark
class SQLmark(Base):
    __tablename__ = 'mark'
    
    hash = Column(String, primary_key=True)
    mark = Column(String)


# logs
class SQLlog(Base):
    __tablename__ = 'logs'
    
    id = Column(BIGINT, primary_key=True)
    created_at = Column(TIMESTAMP(timezone=True), server_default=func.now())
    message = Column(String)
    source = Column(String)


# user
class SQLuser(Base):
    __tablename__ = 'users'
    
    id = Column(BIGINT, primary_key=True)
    user = Column(String)
    password = Column(String)   # hash , sha512
    permission = Column(ARRAY(String))