"""app_config table (运营可配置项:rewards 常量等后台化)

Revision ID: cfg1a2b3c4d5
Revises: ad60a1b2c3d4
Create Date: 2026-06-04 12:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'cfg1a2b3c4d5'
down_revision: Union[str, Sequence[str], None] = 'ad60a1b2c3d4'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        'app_config',
        sa.Column('key', sa.String(length=64), nullable=False),
        sa.Column('value', sa.JSON().with_variant(sa.dialects.postgresql.JSONB(), 'postgresql'), nullable=False),
        sa.Column('updated_by_admin_id', sa.Integer(), nullable=True),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
        sa.PrimaryKeyConstraint('key'),
    )


def downgrade() -> None:
    op.drop_table('app_config')