"""remove obsolete assistant binding from test suites

Revision ID: 20260810_0017
Revises: 20260810_0016
"""

from __future__ import annotations

from collections.abc import Sequence

from alembic import op
import sqlalchemy as sa


revision: str = "20260810_0017"
down_revision: str | Sequence[str] | None = "20260810_0016"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.drop_index("ix_test_suites_assistant_id", table_name="test_suites")
    op.drop_column("test_suites", "assistant_id")


def downgrade() -> None:
    op.add_column(
        "test_suites",
        sa.Column("assistant_id", sa.String(length=40), nullable=True),
    )
    op.create_foreign_key(
        "fk_test_suites_assistant_id_assistants",
        "test_suites",
        "assistants",
        ["assistant_id"],
        ["id"],
        ondelete="SET NULL",
    )
    op.create_index(
        "ix_test_suites_assistant_id",
        "test_suites",
        ["assistant_id"],
    )