"""user.self_person_id ("home person" link)

Revision ID: b3d5f8a1c920
Revises: 9a2b1c7d4e10
Create Date: 2026-06-07

"""
from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "b3d5f8a1c920"
down_revision: str | None = "9a2b1c7d4e10"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.add_column(
        "users",
        sa.Column("self_person_id", sa.Uuid(), nullable=True),
    )
    op.create_foreign_key(
        "fk_users_self_person_id",
        "users",
        "persons",
        ["self_person_id"],
        ["id"],
        ondelete="SET NULL",
    )


def downgrade() -> None:
    op.drop_constraint("fk_users_self_person_id", "users", type_="foreignkey")
    op.drop_column("users", "self_person_id")