from datetime import datetime
from uuid import uuid4

from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship

Base = declarative_base()


class User(Base):
    __tablename__ = 'users'

    user_id = Column(String, primary_key=True)
    email = Column(String)
    date = Column(DateTime)
    requests_count = Column(Integer)


class Brain(Base):
    __tablename__ = 'brains'

    brain_id = Column(Integer, primary_key=True)
    name = Column(String)
    users = relationship('BrainUser', back_populates='brain')
    vectors = relationship('BrainVector', back_populates='brain')


class BrainUser(Base):
    __tablename__ = 'brains_users'

    id = Column(Integer, primary_key=True)
    user_id = Column(Integer, ForeignKey('users.user_id'))
    brain_id = Column(Integer, ForeignKey('brains.brain_id'))
    rights = Column(String)

    user = relationship('User')
    brain = relationship('Brain', back_populates='users')


class BrainVector(Base):
    __tablename__ = 'brains_vectors'

    vector_id = Column(String, primary_key=True, default=lambda: str(uuid4()))
    brain_id = Column(Integer, ForeignKey('brains.brain_id'))
    file_sha1 = Column(String)

    brain = relationship('Brain', back_populates='vectors')

class BrainSubscriptionInvitation(Base):
    __tablename__ = 'brain_subscription_invitations'

    id = Column(Integer, primary_key=True)  # Assuming an integer primary key named 'id'
    brain_id = Column(String, ForeignKey('brains.brain_id'))
    email = Column(String, ForeignKey('users.email'))
    rights = Column(String)

    brain = relationship('Brain')
    user = relationship('User', foreign_keys=[email])

class ApiKey(Base):
    __tablename__ = 'api_keys'

    key_id = Column(String, primary_key=True, default=lambda: str(uuid4()))
    user_id = Column(Integer, ForeignKey('users.user_id'))
    api_key = Column(String, unique=True)
    creation_time = Column(DateTime, default=datetime.utcnow)
    is_active = Column(Boolean, default=True)
    deleted_time = Column(DateTime, nullable=True)

    user = relationship('User')