from __future__ import annotations

from api.mcp import tool_handlers
from core.models import ActiveApp
from device.manager import DeviceManager
from tests.fakes import FakeDriver


def test_mcp_handlers_are_semantic_and_hide_driver_terms() -> None:
    manager = DeviceManager()
    manager.register_device("iphone-1", lambda: FakeDriver())
    manager.connect("iphone-1", max_retries=1)
    handlers = tool_handlers(manager=manager)

    responses = [
        handlers["take_screenshot"](device_id="iphone-1"),
        handlers["tap"](x=1, y=2, device_id="iphone-1"),
        handlers["swipe"](
            start_x=1,
            start_y=2,
            end_x=3,
            end_y=4,
            device_id="iphone-1",
        ),
        handlers["input_text"](text="hello", device_id="iphone-1"),
        handlers["launch_app"](app_id="com.example.app", device_id="iphone-1"),
        handlers["find_text"](query="Search", device_id="iphone-1"),
        handlers["find_icon"](name="Settings", device_id="iphone-1"),
        handlers["get_ui_tree"](device_id="iphone-1"),
        handlers["describe_screen"](device_id="iphone-1"),
        handlers["list_devices"](),
        handlers["device_status"](device_id="iphone-1"),
    ]

    serialized = repr(responses)
    assert "WDA" not in serialized
    assert "Appium" not in serialized
    assert "XCUI" not in serialized
    assert all(response is not None for response in responses)


def test_mcp_ui_tree_can_include_active_app_info() -> None:
    manager = DeviceManager()
    manager.register_device(
        "android-1",
        lambda: FakeDriver(
            active_app=ActiveApp(
                platform="android",
                package="com.example.mobile",
                activity=".MainActivity",
            )
        ),
    )
    manager.connect("android-1", max_retries=1)

    response = tool_handlers(manager=manager)["get_ui_tree"](
        device_id="android-1",
        include_app_info=True,
    )

    assert response["app"] == {
        "platform": "android",
        "package": "com.example.mobile",
        "activity": ".MainActivity",
    }
    assert isinstance(response["nodes"], list)


def test_tool_handlers_requires_manager() -> None:
    """D12: tool_handlers must not silently fall back to DEFAULT_MANAGER."""
    from api.mcp import tool_handlers
    import pytest

    with pytest.raises(TypeError):
        tool_handlers()  # type: ignore[call-arg]