from typing import Protocol


class WeatherProvider(Protocol):
    def get_current(self) -> dict: ...
    def get_forecast(self) -> list[dict]: ...


class MockWeatherProvider:
    def get_current(self):
        return {
            "location": "上海",
            "temperature": "--",
            "summary": "天气演示数据 · 尚未连接实时天气源",
            "mock": True,
        }

    def get_forecast(self):
        return []