/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License
 */
package com.android.settings.bluetooth;

import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;

import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Context;

import com.android.settings.TestConfig;
import com.android.settings.connecteddevice.DevicePreferenceCallback;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settingslib.bluetooth.CachedBluetoothDevice;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;

@RunWith(SettingsRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION_O)
public class ConnectedBluetoothDeviceUpdaterTest {
    @Mock
    private DashboardFragment mDashboardFragment;
    @Mock
    private DevicePreferenceCallback mDevicePreferenceCallback;
    @Mock
    private CachedBluetoothDevice mCachedBluetoothDevice;
    @Mock
    private BluetoothDevice mBluetoothDevice;

    private Context mContext;
    private ConnectedBluetoothDeviceUpdater mBluetoothDeviceUpdater;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);

        mContext = RuntimeEnvironment.application;
        doReturn(mContext).when(mDashboardFragment).getContext();
        doReturn(mBluetoothDevice).when(mCachedBluetoothDevice).getDevice();

        mBluetoothDeviceUpdater = spy(new ConnectedBluetoothDeviceUpdater(mDashboardFragment,
                mDevicePreferenceCallback, null));
        mBluetoothDeviceUpdater.setPrefContext(mContext);
        doNothing().when(mBluetoothDeviceUpdater).addPreference(any());
        doNothing().when(mBluetoothDeviceUpdater).removePreference(any());
    }

    @Test
    public void testUpdate_filterMatch_addPreference() {
        doReturn(BluetoothDevice.BOND_BONDED).when(mBluetoothDevice).getBondState();
        doReturn(true).when(mBluetoothDevice).isConnected();

        mBluetoothDeviceUpdater.update(mCachedBluetoothDevice);

        verify(mBluetoothDeviceUpdater).addPreference(mCachedBluetoothDevice);
    }

    @Test
    public void testUpdate_filterNotMatch_removePreference() {
        doReturn(BluetoothDevice.BOND_NONE).when(mBluetoothDevice).getBondState();
        doReturn(false).when(mBluetoothDevice).isConnected();

        mBluetoothDeviceUpdater.update(mCachedBluetoothDevice);

        verify(mBluetoothDeviceUpdater).removePreference(mCachedBluetoothDevice);
    }

    @Test
    public void testOnConnectionStateChanged_deviceConnected_addPreference() {
        mBluetoothDeviceUpdater.onConnectionStateChanged(mCachedBluetoothDevice,
                BluetoothAdapter.STATE_CONNECTED);

        verify(mBluetoothDeviceUpdater).addPreference(mCachedBluetoothDevice);
    }

    @Test
    public void testOnConnectionStateChanged_deviceDisconnected_removePreference() {
        mBluetoothDeviceUpdater.onConnectionStateChanged(mCachedBluetoothDevice,
                BluetoothAdapter.STATE_DISCONNECTED);

        verify(mBluetoothDeviceUpdater).removePreference(mCachedBluetoothDevice);
    }

}