"""离线 mock 档位：纯内存仿真，CI / 单测必跑。"""

from __future__ import annotations

from .base import AdapterBase, ExampleItem, ExampleResult


class MockAdapter(AdapterBase):
    name = "mock"

    def do_batch(self, target: str, items: list[ExampleItem]) -> ExampleResult:
        if not items:
            return ExampleResult(
                ok=False,
                serial_no=None,
                error_msg="empty batch",
                artifacts={},
            )
        return ExampleResult(
            ok=True,
            serial_no=f"MOCK-{len(items)}",
            error_msg=None,
            artifacts={"mode": "mock", "target": target, "count": len(items)},
        )