/*
 * 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.test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.InsetDrawable;
import android.os.Build;
import android.view.ContextThemeWrapper;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import com.android.setupwizardlib.SetupWizardLayout;
import com.android.setupwizardlib.SetupWizardListLayout;
import com.android.setupwizardlib.view.NavigationBar;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)
@SmallTest
public class SetupWizardListLayoutTest {

  private Context mContext;

  @Before
  public void setUp() throws Exception {
    mContext =
        new ContextThemeWrapper(
            InstrumentationRegistry.getContext(), R.style.SuwThemeMaterial_Light);
  }

  @Test
  public void testDefaultTemplate() {
    SetupWizardListLayout layout = new SetupWizardListLayout(mContext);
    assertListTemplateInflated(layout);
  }

  @Test
  public void testAddView() {
    SetupWizardListLayout layout = new SetupWizardListLayout(mContext);
    TextView tv = new TextView(mContext);
    try {
      layout.addView(tv);
      fail("Adding view to ListLayout should throw");
    } catch (UnsupportedOperationException e) {
      // Expected exception
    }
  }

  @Test
  public void testInflateFromXml() {
    LayoutInflater inflater = LayoutInflater.from(mContext);
    SetupWizardListLayout layout =
        (SetupWizardListLayout) inflater.inflate(R.layout.test_list_layout, null);
    assertListTemplateInflated(layout);
  }

  @Test
  public void testShowProgressBar() {
    final SetupWizardListLayout layout = new SetupWizardListLayout(mContext);
    layout.showProgressBar();
    assertTrue("Progress bar should be shown", layout.isProgressBarShown());
    final View progressBar = layout.findViewById(R.id.suw_layout_progress);
    assertTrue(
        "Progress bar view should be shown",
        progressBar instanceof ProgressBar && progressBar.getVisibility() == View.VISIBLE);
  }

  @Test
  public void testDividerInsetLegacy() {
    SetupWizardListLayout layout = new SetupWizardListLayout(mContext);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
      layout.setLayoutDirection(View.LAYOUT_DIRECTION_LTR);
    }
    assertListTemplateInflated(layout);

    layout.setDividerInset(10);
    assertEquals("Divider inset should be 10", 10, layout.getDividerInset());

    final Drawable divider = layout.getDivider();
    assertTrue("Divider should be instance of InsetDrawable", divider instanceof InsetDrawable);
  }

  @Test
  public void testDividerInsets() {
    SetupWizardListLayout layout = new SetupWizardListLayout(mContext);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
      layout.setLayoutDirection(View.LAYOUT_DIRECTION_LTR);
    }
    assertListTemplateInflated(layout);

    layout.setDividerInsets(10, 15);
    assertEquals("Divider inset start should be 10", 10, layout.getDividerInsetStart());
    assertEquals("Divider inset end should be 15", 15, layout.getDividerInsetEnd());

    final Drawable divider = layout.getDivider();
    assertTrue("Divider should be instance of InsetDrawable", divider instanceof InsetDrawable);
  }

  private void assertListTemplateInflated(SetupWizardLayout layout) {
    View decorView = layout.findViewById(R.id.suw_layout_decor);
    View navbar = layout.findViewById(R.id.suw_layout_navigation_bar);
    View title = layout.findViewById(R.id.suw_layout_title);
    View list = layout.findViewById(android.R.id.list);
    assertNotNull("@id/suw_layout_decor_view should not be null", decorView);
    assertTrue(
        "@id/suw_layout_navigation_bar should be an instance of NavigationBar",
        navbar instanceof NavigationBar);
    assertNotNull("@id/suw_layout_title should not be null", title);
    assertTrue("@android:id/list should be an instance of ListView", list instanceof ListView);
  }
}