"""Tag model: labels that can be linked to accounts/contacts/deals."""

from __future__ import annotations

from typing import TYPE_CHECKING

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

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

if TYPE_CHECKING:
    from app.models.tag_link import TagLink


class Tag(Base, TimestampMixin, SoftDeleteMixin, OrgScopedMixin):
    __tablename__ = "tags"

    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    name: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
    color: Mapped[str] = mapped_column(
        String(7), nullable=False, default="#3B82F6", server_default="#3B82F6"
    )

    # Relationships
    links: Mapped[list[TagLink]] = relationship(
        "TagLink", back_populates="tag", cascade="all, delete-orphan", lazy="selectin"
    )

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


__all__ = ["Tag"]