"""授权归一到角色，停用全局制作人入口，保留旧结构与历史工资依据。"""

from alembic import op
from sqlalchemy import text

revision: str = "26e7f8a9b0c1"
down_revision: str | None = "25d6e7f8a9b0"
branch_labels = None
depends_on = None

STATEMENTS = (
    "UPDATE authorization_settings SET maker_user_id=NULL, revision=revision+1 WHERE id=1",
    "UPDATE permissions SET status=0 WHERE perm_code IN ('system:authorization:view','system:authorization:update')",
    "UPDATE roles SET role_name='工资经办', description='按角色授权维护核算资料、计算工资及生成工资；月份锁定和实际经办人留痕继续生效' WHERE role_code='payroll_maker' AND role_name='工资制作人'",
    "UPDATE roles SET description='管理业务基础资料，具体功能由角色权限配置决定' WHERE role_code='marketing_ops' AND description LIKE '%审批链%'",
)


def upgrade():
    bind = op.get_bind()
    if bind.execute(text("SELECT COUNT(*) FROM user_permission_overrides")).scalar():
        raise RuntimeError("存在个人权限覆盖，请先整理为等效角色后再升级，避免隐式改变用户权限")
    for statement in STATEMENTS:
        op.execute(text(statement))


def downgrade():
    # 只恢复旧入口，不猜测重新绑定哪个账号。旧版本需由管理员重新指定。
    op.execute(text("UPDATE permissions SET status=1 WHERE perm_code IN ('system:authorization:view','system:authorization:update')"))
    op.execute(text("UPDATE roles SET role_name='工资制作人' WHERE role_code='payroll_maker' AND role_name='工资经办'"))
    op.execute(text("UPDATE authorization_settings SET revision=revision+1 WHERE id=1"))