"""add form_meta globally_visible column

Revision ID: f6g7h8i9j0k1
Revises: e5f6g7h8i9j0
Create Date: 2026-06-04 12:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = 'f6g7h8i9j0k1'
down_revision: Union[str, None] = 'e5f6g7h8i9j0'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column(
        'form_meta',
        sa.Column(
            'globally_visible',
            sa.Boolean(),
            nullable=True,
            server_default=sa.text('false'),
            comment='是否全局可见（供其他应用引用）',
        ),
    )
    op.execute("UPDATE form_meta SET globally_visible = false WHERE globally_visible IS NULL")


def downgrade() -> None:
    op.drop_column('form_meta', 'globally_visible')