"""
Database models for organisation module

Models:
 - Organisation:
  - id[PK], name, status, intake_questionnaire, root_user_id[FK], billing_contact_id[FK], security_contact_id[FK], owner_contact_id[FK]
  - user_rel: ORM relationship to User via OrgUsers relationship table
  - group_rel: ORM relationship to Group, backprops Group.org_rel
  - root_user_rel: ORM relationship to User with root_user_id FK
  - root_user_email: Calc property root_user_rel.email
  - billing_contact_rel: ORM relationship to Contact with billing_contact FK
  - security_contact_rel: ORM relationship to Contact with security_contact FK
  - owner_contact_rel: ORM relationship to Contact with owner_contact FK
 - OrgUsers: org_id[FK][PK], user_id[FK][PK]
"""

from typing import Any

from sqlalchemy import ForeignKey
from sqlalchemy.orm import relationship, Mapped, mapped_column

from src.models import CustomBase


class Organisation(CustomBase):
	__tablename__ = "organisation"

	id: Mapped[int] = mapped_column(primary_key=True)
	name: Mapped[str]
	status: Mapped[str] = mapped_column(default="partial")
	intake_questionnaire: Mapped[dict[str, Any] | None]

	root_user_id: Mapped[int] = mapped_column(ForeignKey("user.id"))
	billing_contact_id: Mapped[int] = mapped_column(ForeignKey("contact.id"), nullable=True)
	security_contact_id: Mapped[int] = mapped_column(
		ForeignKey("contact.id"), nullable=True
	)
	owner_contact_id: Mapped[int] = mapped_column(ForeignKey("contact.id"), nullable=True)

	user_rel = relationship("User", secondary="orgusers", back_populates="organisation_rel")

	group_rel = relationship(
		"Group", back_populates="org_rel", cascade="all, delete-orphan"
	)
	root_user_rel = relationship("User", foreign_keys="Organisation.root_user_id")

	billing_contact_rel = relationship(
		"Contact", foreign_keys="Organisation.billing_contact_id"
	)
	security_contact_rel = relationship(
		"Contact", foreign_keys="Organisation.security_contact_id"
	)
	owner_contact_rel = relationship(
		"Contact", foreign_keys="Organisation.owner_contact_id"
	)

	permission_rel = relationship(
		"Permission", secondary="org_permissions", back_populates="org_rel"
	)

	@property
	def root_user_email(self) -> str:
		return self.root_user_rel.email if self.root_user_rel else ""


class OrgUsers(CustomBase):
	__tablename__ = "orgusers"

	org_id: Mapped[int] = mapped_column(
		ForeignKey("organisation.id", ondelete="CASCADE"), primary_key=True
	)
	user_id: Mapped[int] = mapped_column(
		ForeignKey("user.id", ondelete="CASCADE"), primary_key=True
	)