"""department-scoped sections

Revision ID: 0010
Revises: 0009
Create Date: 2026-06-04

"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "0010"
down_revision: Union[str, None] = "0009"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.alter_column(
        "app_settings",
        "key",
        existing_type=sa.String(length=128),
        type_=sa.String(length=255),
        existing_nullable=False,
    )
    op.add_column("sections", sa.Column("department_id", sa.String(length=64), nullable=True))
    op.drop_column("sections", "access_code")
    op.drop_constraint("uq_section_vertical_slug", "sections", type_="unique")
    op.create_unique_constraint(
        "uq_section_vertical_department_slug",
        "sections",
        ["vertical", "department_id", "slug"],
    )
    op.drop_index("ix_sections_vertical", table_name="sections")
    op.create_index("ix_sections_vertical_department", "sections", ["vertical", "department_id"])


def downgrade() -> None:
    op.drop_index("ix_sections_vertical_department", table_name="sections")
    op.create_index("ix_sections_vertical", "sections", ["vertical"])
    op.drop_constraint("uq_section_vertical_department_slug", "sections", type_="unique")
    op.create_unique_constraint("uq_section_vertical_slug", "sections", ["vertical", "slug"])
    op.add_column("sections", sa.Column("access_code", sa.String(length=255), nullable=True))
    op.drop_column("sections", "department_id")
    op.alter_column(
        "app_settings",
        "key",
        existing_type=sa.String(length=255),
        type_=sa.String(length=128),
        existing_nullable=False,
    )