/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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 org.apache.shardingsphere.test.it.sql.parser.internal.asserts.statement.rdl.create;
  
  import lombok.AccessLevel;
  import lombok.NoArgsConstructor;
  import org.apache.shardingsphere.distsql.segment.DataSourceSegment;
  import org.apache.shardingsphere.distsql.statement.rdl.resource.unit.type.RegisterStorageUnitStatement;
  import org.apache.shardingsphere.test.it.sql.parser.internal.asserts.SQLCaseAssertContext;
  import org.apache.shardingsphere.test.it.sql.parser.internal.asserts.segment.distsql.DataSourceAssert;
  import org.apache.shardingsphere.test.it.sql.parser.internal.cases.parser.jaxb.segment.impl.distsql.ExpectedDataSource;
  import org.apache.shardingsphere.test.it.sql.parser.internal.cases.parser.jaxb.statement.rdl.resource.RegisterStorageUnitStatementTestCase;
  
  import java.util.Collection;
  import java.util.List;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  /**
   * Register storage unit statement assert.
   */
  @NoArgsConstructor(access = AccessLevel.PRIVATE)
  public final class RegisterStorageUnitStatementAssert {
      
      /**
       * Assert register storage unit statement is correct with expected parser result.
       *
       * @param assertContext assert context
       * @param actual actual register storage unit statement
       * @param expected expected register storage unit statement test case
       */
      public static void assertIs(final SQLCaseAssertContext assertContext, final RegisterStorageUnitStatement actual, final RegisterStorageUnitStatementTestCase expected) {
          if (null == expected) {
              assertNull(actual, assertContext.getText("Actual statement should not exist."));
          } else {
              assertNotNull(actual, assertContext.getText("Actual statement should exist."));
              assertThat(assertContext.getText("if not exists segment assertion error: "), actual.isIfNotExists(), is(expected.isIfNotExists()));
              assertDataSources(assertContext, actual.getStorageUnits(), expected.getDataSources());
          }
      }
      
      private static void assertDataSources(final SQLCaseAssertContext assertContext, final Collection<DataSourceSegment> actual, final List<ExpectedDataSource> expected) {
          if (null == expected) {
              assertNull(actual, assertContext.getText("Actual storage unit should not exist."));
          } else {
              assertNotNull(actual, assertContext.getText("Actual storage unit should exist."));
              assertThat(assertContext.getText(String.format("Actual storage unit size should be %s , but it was %s", expected.size(), actual.size())), actual.size(), is(expected.size()));
              int count = 0;
              for (DataSourceSegment each : actual) {
                  DataSourceAssert.assertIs(assertContext, each, expected.get(count));
                  count++;
              }
          }
      }
  }