/*
 * Copyright (C) 2015 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.setupwizardlib.items;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.robolectric.RuntimeEnvironment.application;

import android.annotation.TargetApi;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import androidx.appcompat.widget.SwitchCompat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.setupwizardlib.R;
import org.junit.Assume;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.Robolectric;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;

@RunWith(RobolectricTestRunner.class)
@Config(sdk = {Config.OLDEST_SDK, Config.NEWEST_SDK})
public class SwitchItemTest {

  private SwitchCompat mSwitch;

  @Test
  public void defaultLayout_baselineAligned_shouldBeFalse() {
    Assume.assumeTrue(VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP);
    LayoutInflater inflater = LayoutInflater.from(application);
    SwitchItem item = new SwitchItem();
    LinearLayout layout = (LinearLayout) inflater.inflate(item.getDefaultLayoutResource(), null);
    assertThat(layout.isBaselineAligned()).isFalse();
  }

  @Test
  public void verboseLayout_clipPadding_shouldBeFalse() {
    Assume.assumeTrue(VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP);
    LayoutInflater inflater = LayoutInflater.from(application);
    SwitchItem item =
        new SwitchItem(
            application,
            Robolectric.buildAttributeSet()
                .addAttribute(android.R.attr.layout, "@layout/suw_items_switch_verbose")
                .build());
    ViewGroup layout = (ViewGroup) inflater.inflate(item.getLayoutResource(), null);
    assertThat(layout.getClipToPadding()).isFalse();
  }

  @Test
  public void testChecked() {
    SwitchItem item = new SwitchItem();
    item.setTitle("TestTitle");
    item.setSummary("TestSummary");
    View view = createLayout();

    item.setChecked(true);

    item.onBindView(view);

    assertTrue("Switch should be checked", mSwitch.isChecked());
  }

  @Test
  public void testNotChecked() {
    SwitchItem item = new SwitchItem();
    item.setTitle("TestTitle");
    item.setSummary("TestSummary");
    View view = createLayout();

    item.setChecked(false);

    item.onBindView(view);

    assertFalse("Switch should be unchecked", mSwitch.isChecked());
  }

  @Test
  public void testListener() {
    SwitchItem item = new SwitchItem();
    item.setTitle("TestTitle");
    item.setSummary("TestSummary");
    View view = createLayout();

    item.setChecked(true);

    final TestOnCheckedChangeListener listener = new TestOnCheckedChangeListener();
    item.setOnCheckedChangeListener(listener);

    item.onBindView(view);

    assertTrue("Switch should be checked", mSwitch.isChecked());
    mSwitch.setChecked(false);

    assertTrue("Listener should be called", listener.mCalled);
    assertFalse("Listener should not be checked", listener.mChecked);

    mSwitch.setChecked(true);

    assertTrue("Listener should be called", listener.mCalled);
    assertTrue("Listener should be checked", listener.mChecked);
  }

  @Test
  public void testRebind() {
    SwitchItem item1 = new SwitchItem();
    item1.setTitle("TestTitle1");
    item1.setSummary("TestSummary1");
    item1.setChecked(false);

    SwitchItem item2 = new SwitchItem();
    item2.setTitle("TestTitle2");
    item2.setSummary("TestSummary2");
    item2.setChecked(true);

    View view = createLayout();

    item1.onBindView(view);
    item2.onBindView(view);

    // Switch should be bound to item2, and therefore checked
    assertTrue("Switch should be checked", mSwitch.isChecked());

    // Switching the switch to false should change the checked state of item 2 only
    mSwitch.setChecked(false);
    assertFalse("Item1 should still be unchecked", item1.isChecked());
    assertFalse("Item2 should not be checked", item2.isChecked());

    // Switching the switch to true should change the checked state of item 2 only
    mSwitch.setChecked(true);
    assertFalse("Item1 should still be unchecked", item1.isChecked());
    assertTrue("Item2 should be checked", item2.isChecked());
  }

  @Test
  public void testListenerSetChecked() {
    // Check that calling setChecked on the item will also call the listener.

    SwitchItem item = new SwitchItem();
    item.setTitle("TestTitle");
    item.setSummary("TestSummary");
    View view = createLayout();

    item.setChecked(true);

    final TestOnCheckedChangeListener listener = new TestOnCheckedChangeListener();
    item.setOnCheckedChangeListener(listener);

    item.onBindView(view);

    assertTrue("Switch should be checked", mSwitch.isChecked());
    item.setChecked(false);

    assertTrue("Listener should be called", listener.mCalled);
    assertFalse("Listener should not be checked", listener.mChecked);

    item.setChecked(true);

    assertTrue("Listener should be called", listener.mCalled);
    assertTrue("Listener should be checked", listener.mChecked);
  }

  @Test
  public void testToggle() {
    SwitchItem item = new SwitchItem();
    item.setTitle("TestTitle");
    item.setSummary("TestSummary");
    View view = createLayout();

    item.setChecked(true);
    item.onBindView(view);

    assertTrue("Switch should be checked", mSwitch.isChecked());

    item.toggle(view);

    assertFalse("Switch should be unchecked", mSwitch.isChecked());
  }

  @TargetApi(VERSION_CODES.JELLY_BEAN_MR1)
  @Config(minSdk = VERSION_CODES.JELLY_BEAN_MR1)
  @Test
  public void testAccessibility() {
    SwitchItem item = new SwitchItem();
    item.setTitle("TestTitle");
    item.setSummary("TestSummary");

    View view = LayoutInflater.from(application).inflate(R.layout.suw_items_switch, null);
    item.onBindView(view);

    final View titleView = view.findViewById(R.id.suw_items_title);
    assertEquals(
        "Title view should label for switch", R.id.suw_items_switch, titleView.getLabelFor());
  }

  private ViewGroup createLayout() {
    ViewGroup root = new FrameLayout(application);

    TextView titleView = new TextView(application);
    titleView.setId(R.id.suw_items_title);
    root.addView(titleView);

    TextView summaryView = new TextView(application);
    summaryView.setId(R.id.suw_items_summary);
    root.addView(summaryView);

    FrameLayout iconContainer = new FrameLayout(application);
    iconContainer.setId(R.id.suw_items_icon_container);
    root.addView(iconContainer);

    ImageView iconView = new ImageView(application);
    iconView.setId(R.id.suw_items_icon);
    iconContainer.addView(iconView);

    mSwitch = new SwitchCompat(application);
    mSwitch.setId(R.id.suw_items_switch);
    root.addView(mSwitch);

    return root;
  }

  private static class TestOnCheckedChangeListener implements SwitchItem.OnCheckedChangeListener {

    boolean mCalled = false;
    boolean mChecked = false;

    @Override
    public void onCheckedChange(SwitchItem item, boolean isChecked) {
      mCalled = true;
      mChecked = isChecked;
    }
  }
}