"""media unique_id for edit detection

Revision ID: a9c3e7f1d2b4
Revises: f7a2c9e1b3d5
Create Date: 2026-05-30 04:00:00.000000

"""

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "a9c3e7f1d2b4"
down_revision: str | None = "f7a2c9e1b3d5"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.add_column("media", sa.Column("unique_id", sa.String(), nullable=True))
    op.add_column("media_versions", sa.Column("unique_id", sa.String(), nullable=True))


def downgrade() -> None:
    op.drop_column("media_versions", "unique_id")
    op.drop_column("media", "unique_id")