/*
 * MIT License
 *
 * Copyright (c) 2020-present Cloudogu GmbH and Contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package sonia.scm.store;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.api.io.TempDir;
import org.mockito.junit.jupiter.MockitoExtension;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.adapters.XmlAdapter;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Path;
import java.util.Collections;
import java.util.Optional;
import java.util.concurrent.atomic.AtomicReference;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

@ExtendWith(MockitoExtension.class)
class TypedStoreContextTest {

  @Test
  void shouldMarshallAndUnmarshall(@TempDir Path tempDir) {
    TypedStoreContext<Sample> context = context(Sample.class);

    File file = tempDir.resolve("test.xml").toFile();
    context.marshal(new Sample("awesome"), file);
    Sample sample = context.unmarshall(file);

    assertThat(sample.value).isEqualTo("awesome");
  }

  @Test
  void shouldWorkWithMarshallerAndUnmarshaller(@TempDir Path tempDir) {
    TypedStoreContext<Sample> context = context(Sample.class);

    File file = tempDir.resolve("test.xml").toFile();

    context.withMarshaller(marshaller -> {
      marshaller.marshal(new Sample("wow"), file);
    });

    AtomicReference<Sample> ref = new AtomicReference<>();

    context.withUnmarshaller(unmarshaller -> {
      Sample sample = (Sample) unmarshaller.unmarshal(file);
      ref.set(sample);
    });

    assertThat(ref.get().value).isEqualTo("wow");
  }

  @Test
  void shouldSetContextClassLoader() {
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();

    ClassLoader classLoader = new URLClassLoader(new URL[0], contextClassLoader);

    TypedStoreParameters<Sample> params = params(Sample.class);
    when(params.getClassLoader()).thenReturn(Optional.of(classLoader));

    TypedStoreContext<Sample> context = TypedStoreContext.of(params);

    AtomicReference<ClassLoader> ref = new AtomicReference<>();
    context.withMarshaller(marshaller -> {
      ref.set(Thread.currentThread().getContextClassLoader());
    });

    assertThat(ref.get()).isSameAs(classLoader);
    assertThat(Thread.currentThread().getContextClassLoader()).isSameAs(contextClassLoader);
  }

  @Test
  void shouldConfigureAdapter(@TempDir Path tempDir) {
    TypedStoreParameters<SampleWithAdapter> params = params(SampleWithAdapter.class);
    when(params.getAdapters()).thenReturn(Collections.singleton(new AppendingAdapter("!")));

    TypedStoreContext<SampleWithAdapter> context = TypedStoreContext.of(params);

    File file = tempDir.resolve("test.xml").toFile();
    context.marshal(new SampleWithAdapter("awesome"), file);
    SampleWithAdapter sample = context.unmarshall(file);

    // one ! should be added for marshal and one for unmarshal
    assertThat(sample.value).isEqualTo("awesome!!");
  }

  private <T> TypedStoreContext<T> context(Class<T> type) {
    return TypedStoreContext.of(params(type));
  }

  private <T> TypedStoreParameters<T> params(Class<T> type) {
    TypedStoreParameters<T> params = mock(TypedStoreParameters.class);
    when(params.getType()).thenReturn(type);
    return params;
  }

  @XmlRootElement
  @XmlAccessorType(XmlAccessType.FIELD)
  public static class Sample {
    private String value;

    public Sample() {
    }

    public Sample(String value) {
      this.value = value;
    }
  }

  @XmlRootElement
  @XmlAccessorType(XmlAccessType.FIELD)
  public static class SampleWithAdapter {
    @XmlJavaTypeAdapter(AppendingAdapter.class)
    private String value;

    public SampleWithAdapter() {
    }

    public SampleWithAdapter(String value) {
      this.value = value;
    }
  }

  public static class AppendingAdapter extends XmlAdapter<String, String> {

    private final String suffix;

    public AppendingAdapter(String suffix) {
      this.suffix = suffix;
    }

    @Override
    public String unmarshal(String v) {
      return v + suffix;
    }

    @Override
    public String marshal(String v) {
      return v + suffix;
    }
  }

}
