import time
from unittest.mock import MagicMock
import pytest
from config.config_manager import ConfigManager
from core.device_watcher import DeviceWatcher


@pytest.fixture
def config(tmp_path):
    return ConfigManager(tmp_path / "config.json")


@pytest.fixture
def switcher():
    return MagicMock()


def test_handle_event_connect_triggers_correct_profile(config, switcher):
    watcher = DeviceWatcher(config, switcher)
    watcher._handle_event(
        "HID\\{...}_DEV_VID&0203F0_PID&6343_REV&0413_AABBCCDD", "connect"
    )
    time.sleep(0.6)
    switcher.apply_profile.assert_called_once_with("pc1_dp")


def test_handle_event_disconnect_triggers_correct_profile(config, switcher):
    watcher = DeviceWatcher(config, switcher)
    watcher._handle_event(
        "HID\\{...}_DEV_VID&0203F0_PID&6343_REV&0413_AABBCCDD", "disconnect"
    )
    time.sleep(0.6)
    switcher.apply_profile.assert_called_once_with("pc2_hdmi")


def test_handle_event_ignores_unknown_device(config, switcher):
    watcher = DeviceWatcher(config, switcher)
    watcher._handle_event("HID\\VID&DEAD_PID&BEEF", "connect")
    time.sleep(0.6)
    switcher.apply_profile.assert_not_called()


def test_handle_event_ignores_disabled_trigger(config, switcher):
    cfg = config.get()
    cfg["device_triggers"][0]["enabled"] = False
    config.update(cfg)

    watcher = DeviceWatcher(config, switcher)
    watcher._handle_event(
        "HID\\{...}_DEV_VID&0203F0_PID&6343_REV&0413", "connect"
    )
    time.sleep(0.6)
    switcher.apply_profile.assert_not_called()


def test_debounce_collapses_rapid_events(config, switcher):
    watcher = DeviceWatcher(config, switcher)
    device_id = "HID\\{...}_DEV_VID&0203F0_PID&6343_REV&0413"
    for _ in range(5):
        watcher._handle_event(device_id, "connect")
    time.sleep(0.8)
    assert switcher.apply_profile.call_count == 1