/*
 * Copyright (C) 2020 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.network.telephony.gsm;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;

import android.content.Context;
import android.os.PersistableBundle;
import android.telephony.CarrierConfigManager;
import android.telephony.ServiceState;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;

import androidx.preference.Preference;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;

import com.android.settings.testutils.ResourcesUtils;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import java.util.Arrays;

@RunWith(AndroidJUnit4.class)
public class OpenNetworkSelectPagePreferenceControllerTest {
    private static final int SUB_ID = 2;
    private static final String OPERATOR_NAME = "T-mobile";

    @Mock
    private TelephonyManager mTelephonyManager;
    @Mock
    private SubscriptionManager mSubscriptionManager;
    @Mock
    private CarrierConfigManager mCarrierConfigManager;
    @Mock
    private ServiceState mServiceState;
    @Mock
    private SubscriptionInfo mSubscriptionInfo;

    private PersistableBundle mCarrierConfig;
    private OpenNetworkSelectPagePreferenceController mController;
    private Preference mPreference;
    private Context mContext;

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

        mContext = spy(ApplicationProvider.getApplicationContext());

        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
        when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(mSubscriptionManager);
        when(mContext.getSystemService(CarrierConfigManager.class)).thenReturn(
                mCarrierConfigManager);
        when(mTelephonyManager.createForSubscriptionId(SUB_ID)).thenReturn(mTelephonyManager);
        when(mTelephonyManager.getServiceState()).thenReturn(mServiceState);

        mCarrierConfig = new PersistableBundle();
        when(mCarrierConfigManager.getConfigForSubId(SUB_ID)).thenReturn(mCarrierConfig);

        when(mSubscriptionInfo.getSubscriptionId()).thenReturn(SUB_ID);
        when(mSubscriptionInfo.getCarrierName()).thenReturn(OPERATOR_NAME);

        when(mSubscriptionManager.getActiveSubscriptionInfoList()).thenReturn(
                Arrays.asList(mSubscriptionInfo));

        when(mTelephonyManager.getNetworkOperatorName()).thenReturn(OPERATOR_NAME);

        mPreference = new Preference(mContext);
        mController = new OpenNetworkSelectPagePreferenceController(mContext,
                "open_network_select") {
            @Override
            public void updateState(Preference preference) {
                super.updateState(mPreference);
            }
        };
        mController.init(SUB_ID);
    }

    @Test
    public void updateState_modeAuto_disabled() {
        mController.onNetworkSelectModeUpdated(TelephonyManager.NETWORK_SELECTION_MODE_AUTO);
        mController.updateState(mPreference);

        assertThat(mPreference.isEnabled()).isFalse();
    }

    @Test
    public void getSummary_inService_returnOperatorName() {
        when(mServiceState.getState()).thenReturn(ServiceState.STATE_IN_SERVICE);

        assertThat(mController.getSummary()).isEqualTo(OPERATOR_NAME);
    }

    @Test
    public void getSummary_notInService_returnDisconnect() {
        when(mServiceState.getState()).thenReturn(ServiceState.STATE_OUT_OF_SERVICE);

        assertThat(mController.getSummary()).isEqualTo(
                ResourcesUtils.getResourcesString(mContext, "network_disconnected"));
    }
}
