"""recipe_tasks.acquisition_json (#97)

recipe_tasks.acquisition_json: camera e modo di analisi scelti nel task,
{"camera_url", "camera_source", "modo": "impulsiva" | "in_linea"}; NULL = la
camera della stazione dell'operatore, analisi impulsiva (come prima).

Revision ID: 021_task_acquisition
Revises: 020_station_camera
Create Date: 2026-10-24

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = '021_task_acquisition'
down_revision: Union[str, None] = '020_station_camera'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # batch_alter_table come nelle migrazioni vicine: serve a SQLite
    with op.batch_alter_table('recipe_tasks') as batch:
        batch.add_column(sa.Column('acquisition_json', sa.JSON(), nullable=True))


def downgrade() -> None:
    with op.batch_alter_table('recipe_tasks') as batch:
        batch.drop_column('acquisition_json')