/*
 * Copyright 2025 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.accessibility;

import static androidx.lifecycle.Lifecycle.Event.ON_START;
import static androidx.lifecycle.Lifecycle.Event.ON_STOP;

import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
import static com.android.settings.accessibility.AccessibilityUtil.State.ON;

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

import android.content.Context;
import android.platform.test.annotations.EnableFlags;
import android.platform.test.flag.junit.SetFlagsRule;
import android.provider.Settings;

import androidx.lifecycle.LifecycleOwner;
import androidx.test.core.app.ApplicationProvider;

import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.shadow.api.Shadow;
import org.robolectric.shadows.ShadowContentResolver;

@RunWith(RobolectricTestRunner.class)
public class ToggleAutoclickMainSwitchPreferenceControllerTest {

    private static final String PREFERENCE_KEY = "accessibility_autoclick_main_switch";

    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
    private final Context mContext = ApplicationProvider.getApplicationContext();

    private ShadowContentResolver mShadowContentResolver;
    private ToggleAutoclickMainSwitchPreferenceController mController;
    private LifecycleOwner mLifecycleOwner;
    private Lifecycle mLifecycle;

    @Before
    public void setUp() {
        mShadowContentResolver = Shadow.extract(mContext.getContentResolver());

        mController = new ToggleAutoclickMainSwitchPreferenceController(mContext, PREFERENCE_KEY);
        mLifecycleOwner = () -> mLifecycle;
        mLifecycle = new Lifecycle(mLifecycleOwner);
        mLifecycle.addObserver(mController);
    }

    @Test
    @EnableFlags(com.android.server.accessibility.Flags.FLAG_ENABLE_AUTOCLICK_INDICATOR)
    public void getAvailabilityStatus_availableWhenFlagOn() {
        assertThat(mController.getAvailabilityStatus())
                .isEqualTo(BasePreferenceController.AVAILABLE);
    }

    @Test
    public void setChecked_withTrue_shouldUpdateSetting() {
        Settings.Secure.putInt(mContext.getContentResolver(),
                Settings.Secure.ACCESSIBILITY_AUTOCLICK_ENABLED, OFF);

        mController.setChecked(true);

        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
                Settings.Secure.ACCESSIBILITY_AUTOCLICK_ENABLED, OFF))
                .isEqualTo(ON);
    }

    @Test
    public void setChecked_withFalse_shouldUpdateSetting() {
        Settings.Secure.putInt(mContext.getContentResolver(),
                Settings.Secure.ACCESSIBILITY_AUTOCLICK_ENABLED, ON);

        mController.setChecked(false);

        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
                Settings.Secure.ACCESSIBILITY_AUTOCLICK_ENABLED, OFF))
                .isEqualTo(OFF);
    }

    @Test
    public void onStart_shouldRegisterContentObserver() {
        mLifecycle.handleLifecycleEvent(ON_START);

        assertThat(mShadowContentResolver.getContentObservers(
                Settings.Secure.getUriFor(Settings.Secure.ACCESSIBILITY_AUTOCLICK_ENABLED)))
                .hasSize(1);
    }

    @Test
    public void onStop_shouldUnregisterContentObserver() {
        mLifecycle.handleLifecycleEvent(ON_START);
        mLifecycle.handleLifecycleEvent(ON_STOP);

        assertThat(mShadowContentResolver.getContentObservers(
                Settings.Secure.getUriFor(Settings.Secure.ACCESSIBILITY_AUTOCLICK_ENABLED)))
                .isEmpty();
    }
}