"""斗鱼 Cookie 有效性检测结果持久化字段

Revision ID: 20260807_0018
Revises: 20260807_0017
Create Date: 2026-08-07
"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


revision: str = "20260807_0018"
down_revision: Union[str, None] = "20260807_0017"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    bind = op.get_bind()
    if not sa.inspect(bind).has_table("login_tasks"):
        return
    columns = {column["name"] for column in sa.inspect(bind).get_columns("login_tasks")}
    for column in [
        sa.Column("ck_check_status", sa.String(length=16), nullable=True),
        sa.Column("ck_check_result", sa.JSON(), nullable=True),
        sa.Column("ck_checked_at", sa.DateTime(), nullable=True),
    ]:
        if column.name not in columns:
            op.add_column("login_tasks", column)


def downgrade() -> None:
    bind = op.get_bind()
    if not sa.inspect(bind).has_table("login_tasks"):
        return
    columns = {column["name"] for column in sa.inspect(bind).get_columns("login_tasks")}
    for column_name in ["ck_checked_at", "ck_check_result", "ck_check_status"]:
        if column_name in columns:
            op.drop_column("login_tasks", column_name)