from datetime import datetime
from sqlalchemy import Column, Integer, String, ForeignKey, Boolean, DateTime, JSON as JSONType
from sqlalchemy.orm import relationship
from base.orm import Base, local_session
from orm.rbac import Role
from storages.roles import RoleStorage

class UserNotifications(Base):
	__tablename__ = 'user_notifications'

	id: int = Column(Integer, primary_key = True)
	user_id: int = Column(Integer, ForeignKey("user.id"))
	kind: str = Column(String, ForeignKey("notification.kind"))
	values: JSONType = Column(JSONType, nullable = True) # [ <var1>, .. ]

class UserRating(Base):
	__tablename__ = "user_rating"

	id = None
	rater = Column(ForeignKey('user.slug'), primary_key = True)
	user = Column(ForeignKey('user.slug'), primary_key = True)
	value = Column(Integer)

class UserRole(Base):
	__tablename__ = "user_role"

	id = None
	user_id = Column(ForeignKey('user.id'), primary_key = True)
	role_id = Column(ForeignKey('role.id'), primary_key = True)

class AuthorFollower(Base):
	__tablename__ = "author_follower"
	
	id = None
	follower = Column(ForeignKey('user.slug'), primary_key = True)
	author = Column(ForeignKey('user.slug'), primary_key = True)
	createdAt = Column(DateTime, nullable=False, default = datetime.now, comment="Created at")

class User(Base):
	__tablename__ = "user"

	email: str = Column(String, unique=True, nullable=False, comment="Email")
	username: str = Column(String, nullable=False, comment="Login")
	password: str = Column(String, nullable=True, comment="Password")
	bio: str = Column(String, nullable=True, comment="Bio")
	userpic: str = Column(String, nullable=True, comment="Userpic")
	name: str = Column(String, nullable=True, comment="Display name")
	slug: str = Column(String, unique=True, comment="User's slug")
	muted: bool = Column(Boolean, default=False)
	emailConfirmed: bool = Column(Boolean, default=False)
	createdAt: DateTime = Column(DateTime, nullable=False, default = datetime.now, comment="Created at")
	wasOnlineAt: DateTime = Column(DateTime, nullable=False, default = datetime.now, comment="Was online at")
	deletedAt: DateTime = Column(DateTime, nullable=True, comment="Deleted at")
	links: JSONType = Column(JSONType, nullable=True, comment="Links")
	oauth: str = Column(String, nullable=True)
	notifications = relationship(lambda: UserNotifications)
	ratings = relationship(UserRating, foreign_keys=UserRating.user)
	roles = relationship(lambda: Role, secondary=UserRole.__tablename__)
	oid: str = Column(String, nullable = True)
	
	@staticmethod
	def init_table():
		with local_session() as session:
			default = session.query(User).filter(User.slug == "discours").first()
		if not default:
			default = User.create(
				id = 0,
				email = "welcome@discours.io",
				username = "welcome@discours.io",
				slug = "discours",
				userpic = 'https://discours.io/images/logo-mini.svg',
			)

		User.default_user = default

	async def get_permission(self):
		scope = {}
		for user_role in self.roles:
			role = await RoleStorage.get_role(user_role.id)
			for p in role.permissions:
				if not p.resource_id in scope:
					scope[p.resource_id] = set()
				scope[p.resource_id].add(p.operation_id)
		return scope


if __name__ == "__main__":
	print(User.get_permission(user_id=1))