"""Contact model: people at accounts (or standalone contacts)."""

from __future__ import annotations

from typing import TYPE_CHECKING

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

from app.models.base import Base, OrgScopedMixin, SoftDeleteMixin, TimestampMixin

if TYPE_CHECKING:
    from app.models.account import Account
    from app.models.activity import Activity
    from app.models.note import Note
    from app.models.tag_link import TagLink
    from app.models.user import User


class Contact(Base, TimestampMixin, SoftDeleteMixin, OrgScopedMixin):
    __tablename__ = "contacts"

    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    first_name: Mapped[str] = mapped_column(String(128), nullable=False)
    last_name: Mapped[str] = mapped_column(String(128), nullable=False, index=True)
    email: Mapped[str | None] = mapped_column(String(255), nullable=True, index=True)
    phone: Mapped[str | None] = mapped_column(String(64), nullable=True)
    account_id: Mapped[int | None] = mapped_column(
        ForeignKey("accounts.id"), nullable=True, index=True
    )
    owner_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False, index=True)

    # Relationships
    account: Mapped[Account | None] = relationship(
        "Account", back_populates="contacts", lazy="selectin"
    )
    owner: Mapped[User] = relationship("User", foreign_keys=[owner_id], lazy="joined")
    activities: Mapped[list[Activity]] = relationship(
        "Activity", back_populates="contact", lazy="selectin"
    )
    notes: Mapped[list[Note]] = relationship(
        "Note",
        primaryjoin="and_(Contact.id==foreign(Note.parent_id), Note.parent_type=='contact')",
        viewonly=True,
        lazy="selectin",
    )
    tags: Mapped[list[TagLink]] = relationship(
        "TagLink",
        primaryjoin="and_(Contact.id==foreign(TagLink.parent_id), TagLink.parent_type=='contact')",
        viewonly=True,
        lazy="selectin",
    )

    def __repr__(self) -> str:
        return f"<Contact id={self.id} {self.first_name} {self.last_name!r}>"


__all__ = ["Contact"]