// Copyright 2020 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.persistence.converter;

import static com.google.common.truth.Truth.assertThat;
import static google.registry.persistence.transaction.TransactionManagerFactory.tm;
import static google.registry.testing.DatabaseHelper.insertInDb;

import google.registry.model.ImmutableObject;
import google.registry.model.registrar.Registrar.State;
import google.registry.persistence.transaction.JpaTestExtensions;
import google.registry.persistence.transaction.JpaTestExtensions.JpaUnitTestExtension;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.Id;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.RegisterExtension;

/** Unit tests for {@link Enumerated} annotation. */
public class StringValueEnumeratedTest {

  @RegisterExtension
  public final JpaUnitTestExtension jpaExtension =
      new JpaTestExtensions.Builder().withEntityClass(TestEntity.class).buildUnitTestExtension();

  @Test
  void roundTripConversion_returnsSameEnum() {
    TestEntity testEntity = new TestEntity(State.ACTIVE);
    insertInDb(testEntity);
    TestEntity persisted =
        tm().transact(() -> tm().getEntityManager().find(TestEntity.class, "id"));
    assertThat(persisted.state).isEqualTo(State.ACTIVE);
  }

  @Test
  void testNativeQuery_succeeds() {
    TestEntity testEntity = new TestEntity(State.DISABLED);
    insertInDb(testEntity);

    assertThat(
            tm().transact(
                    () ->
                        tm().getEntityManager()
                            .createNativeQuery("SELECT state FROM \"TestEntity\" WHERE name = 'id'")
                            .getSingleResult()))
        .isEqualTo("DISABLED");
  }

  @Entity(name = "TestEntity") // Override entity name to avoid the nested class reference.
  private static class TestEntity extends ImmutableObject {

    @Id String name = "id";

    @Enumerated(EnumType.STRING)
    State state;

    private TestEntity() {}

    private TestEntity(State state) {
      this.state = state;
    }
  }
}
