from base.orm import Base, local_session
from datetime import datetime
from orm.reaction import Reaction
from orm.topic import Topic
from orm.user import User
from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, JSON, String
from sqlalchemy.orm import column_property, relationship


class ShoutTopic(Base):
    __tablename__ = "shout_topic"

    id = None  # type: ignore
    shout = Column(ForeignKey("shout.id"), primary_key=True, index=True)
    topic = Column(ForeignKey("topic.id"), primary_key=True, index=True)


class ShoutReactionsFollower(Base):
    __tablename__ = "shout_reactions_followers"

    id = None  # type: ignore
    follower = Column(ForeignKey("user.id"), primary_key=True, index=True)
    shout = Column(ForeignKey("shout.id"), primary_key=True, index=True)
    auto = Column(Boolean, nullable=False, default=False)
    createdAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
    deletedAt = Column(DateTime, nullable=True)


class ShoutAuthor(Base):
    __tablename__ = "shout_author"

    id = None  # type: ignore
    shout = Column(ForeignKey("shout.id"), primary_key=True, index=True)
    user = Column(ForeignKey("user.id"), primary_key=True, index=True)
    caption = Column(String, nullable=True, default="")


class Shout(Base):
    __tablename__ = "shout"

    # timestamps
    createdAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
    updatedAt = Column(DateTime, nullable=True, comment="Updated at")
    publishedAt = Column(DateTime, nullable=True)
    deletedAt = Column(DateTime, nullable=True)

    createdBy = Column(ForeignKey("user.id"), comment="Created By")
    deletedBy = Column(ForeignKey("user.id"), nullable=True)

    slug = Column(String, unique=True)
    cover = Column(String, nullable=True, comment="Cover image url")
    lead = Column(String, nullable=True)
    description = Column(String, nullable=True)
    body = Column(String, nullable=False, comment="Body")
    title = Column(String, nullable=True)
    subtitle = Column(String, nullable=True)
    layout = Column(String, nullable=True)
    media = Column(JSON, nullable=True)
    authors = relationship(lambda: User, secondary=ShoutAuthor.__tablename__)
    topics = relationship(lambda: Topic, secondary=ShoutTopic.__tablename__)

    # views from the old Discours website
    viewsOld = Column(Integer, default=0)
    # views from Ackee tracker on the new Discours website
    viewsAckee = Column(Integer, default=0)
    views = column_property(viewsOld + viewsAckee)
    reactions = relationship(lambda: Reaction)

    # TODO: these field should be used or modified
    community = Column(ForeignKey("community.id"), default=1)
    lang = Column(String, nullable=False, default="ru", comment="Language")
    mainTopic = Column(ForeignKey("topic.slug"), nullable=True)
    visibility = Column(String, nullable=True)  # owner authors community public
    versionOf = Column(ForeignKey("shout.id"), nullable=True)
    oid = Column(String, nullable=True)

    @staticmethod
    def init_table():
        with local_session() as session:
            s = session.query(Shout).first()
            if not s:
                entry = {
                    "slug": "genesis-block",
                    "body": "",
                    "title": "Ничего",
                    "lang": "ru",
                }
                s = Shout.create(**entry)
                session.add(s)
                session.commit()