/*
 * 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.setupwizardlib.template;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import android.content.Context;
import android.content.res.ColorStateList;
import android.graphics.Canvas;
import android.graphics.Color;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.view.ContextThemeWrapper;
import android.view.View;
import android.widget.ProgressBar;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import com.android.setupwizardlib.TemplateLayout;
import com.android.setupwizardlib.test.R;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

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

  private TemplateLayout mTemplateLayout;

  @Before
  public void setUp() {
    Context context =
        new ContextThemeWrapper(
            InstrumentationRegistry.getContext(), R.style.SuwThemeMaterial_Light);
    mTemplateLayout =
        new TemplateLayout(context, R.layout.test_progress_bar_template, R.id.suw_layout_content);
  }

  @Test
  public void testSetShown() {
    ProgressBarMixin mixin = new ProgressBarMixin(mTemplateLayout);
    mixin.setShown(true);

    ProgressBar progressBar = (ProgressBar) mTemplateLayout.findViewById(R.id.suw_layout_progress);
    assertNotNull("Progress bar should be available after setting to shown", progressBar);
    assertEquals(View.VISIBLE, progressBar.getVisibility());
  }

  @Test
  public void testNotShown() {
    ProgressBarMixin mixin = new ProgressBarMixin(mTemplateLayout);
    mixin.setShown(true);
    mixin.setShown(false);

    ProgressBar progressBar = (ProgressBar) mTemplateLayout.findViewById(R.id.suw_layout_progress);
    assertNotEquals(View.VISIBLE, progressBar.getVisibility());
  }

  @Test
  public void testIsShown() {
    ProgressBarMixin mixin = new ProgressBarMixin(mTemplateLayout);

    mixin.setShown(true);
    assertTrue(mixin.isShown());

    mixin.setShown(false);
    assertFalse(mixin.isShown());
  }

  @Test
  public void testPeekProgressBar() {
    ProgressBarMixin mixin = new ProgressBarMixin(mTemplateLayout);
    assertNull(
        "PeekProgressBar should return null when stub not inflated yet", mixin.peekProgressBar());

    mixin.setShown(true);
    assertNotNull(
        "PeekProgressBar should be available after setting to shown", mixin.peekProgressBar());
  }

  @Test
  public void testSetColorBeforeSetShown() {
    ProgressBarMixin mixin = new ProgressBarMixin(mTemplateLayout);
    mixin.setColor(ColorStateList.valueOf(Color.MAGENTA));

    mixin.setShown(true);

    if (VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
      ProgressBar progressBar =
          (ProgressBar) mTemplateLayout.findViewById(R.id.suw_layout_progress);
      assertEquals(ColorStateList.valueOf(Color.MAGENTA), progressBar.getIndeterminateTintList());
      assertEquals(
          ColorStateList.valueOf(Color.MAGENTA), progressBar.getProgressBackgroundTintList());
    }
    // this method is a no-op on versions < lollipop. Just check that it doesn't crash.
  }

  @Test
  public void testSetColorAfterSetShown() {
    ProgressBarMixin mixin = new ProgressBarMixin(mTemplateLayout);
    mixin.setShown(true);

    mixin.setColor(ColorStateList.valueOf(Color.YELLOW));

    if (VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
      ProgressBar progressBar =
          (ProgressBar) mTemplateLayout.findViewById(R.id.suw_layout_progress);
      assertEquals(ColorStateList.valueOf(Color.YELLOW), progressBar.getIndeterminateTintList());
      assertEquals(
          ColorStateList.valueOf(Color.YELLOW), progressBar.getProgressBackgroundTintList());
    }
    // this method is a no-op on versions < lollipop. Just check that it doesn't crash.
  }

  @Test
  public void testDeterminateProgressBarNullTint() {
    ProgressBarMixin mixin = new ProgressBarMixin(mTemplateLayout);
    mixin.setShown(true);
    mixin.peekProgressBar().setIndeterminate(false);

    mixin.setColor(null);

    if (VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
      ProgressBar progressBar =
          (ProgressBar) mTemplateLayout.findViewById(R.id.suw_layout_progress);
      assertEquals(null, progressBar.getProgressBackgroundTintList());
      progressBar.draw(new Canvas());
    }
    // setColor is a no-op on versions < lollipop. Just check that it doesn't crash.
  }
}