/*
 * 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.util;

import static com.google.common.truth.Truth.assertThat;
import static org.robolectric.RuntimeEnvironment.application;

import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import androidx.annotation.Nullable;
import android.util.AttributeSet;
import android.view.ContextThemeWrapper;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import com.android.setupwizardlib.R;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.Robolectric;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;
import org.robolectric.util.ReflectionHelpers;
import org.robolectric.util.ReflectionHelpers.ClassParameter;

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

  @Test
  public void testSuwGlifButtonTertiary() {
    Button button =
        createButton(
            new ContextThemeWrapper(application, R.style.SuwThemeGlif_Light),
            Robolectric.buildAttributeSet()
                .setStyleAttribute("@style/SuwGlifButton.Tertiary")
                .build());
    assertThat(button.getBackground()).named("background").isNotNull();
    assertThat(button.getTransformationMethod()).named("transformation method").isNull();
    if (VERSION.SDK_INT < VERSION_CODES.M) {
      // Robolectric resolved the wrong theme attribute on versions >= M
      // https://github.com/robolectric/robolectric/issues/2940
      assertThat(Integer.toHexString(button.getTextColors().getDefaultColor()))
          .isEqualTo("ff4285f4");
    }
  }

  @TargetApi(VERSION_CODES.LOLLIPOP)
  @Config(sdk = Config.NEWEST_SDK)
  @Test
  public void glifThemeLight_statusBarColorShouldBeTransparent() {
    GlifThemeActivity activity = Robolectric.setupActivity(GlifThemeActivity.class);
    assertThat(activity.getWindow().getStatusBarColor()).isEqualTo(0x00000000);
  }

  @Test
  public void glifLoadingScreen_shouldHaveProgressBar() {
    GlifThemeActivity activity = Robolectric.setupActivity(GlifThemeActivity.class);
    activity.setContentView(R.layout.suw_glif_loading_screen);

    assertThat((View) activity.findViewById(R.id.suw_large_progress_bar))
        .isInstanceOf(ProgressBar.class);
  }

  private Button createButton(Context context, AttributeSet attrs) {
    Class<? extends Button> buttonClass;
    try {
      // Use AppCompatButton in builds that have them (i.e. gingerbreadCompat)
      // noinspection unchecked
      buttonClass =
          (Class<? extends Button>) Class.forName("androidx.appcompat.widget.AppCompatButton");
    } catch (ClassNotFoundException e) {
      buttonClass = Button.class;
    }
    return ReflectionHelpers.callConstructor(
        buttonClass,
        ClassParameter.from(Context.class, context),
        ClassParameter.from(AttributeSet.class, attrs));
  }

  private static class GlifThemeActivity extends Activity {

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
      setTheme(R.style.SuwThemeGlif_Light);
      super.onCreate(savedInstanceState);
    }
  }
}