/*
    * 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.alter.impl;
  
  import lombok.AccessLevel;
  import lombok.NoArgsConstructor;
  import org.apache.shardingsphere.readwritesplitting.distsql.segment.ReadwriteSplittingRuleSegment;
  import org.apache.shardingsphere.readwritesplitting.distsql.statement.AlterReadwriteSplittingRuleStatement;
  import org.apache.shardingsphere.test.it.sql.parser.internal.asserts.SQLCaseAssertContext;
  import org.apache.shardingsphere.test.it.sql.parser.internal.asserts.segment.distsql.rdl.ReadwriteSplittingRuleAssert;
  import org.apache.shardingsphere.test.it.sql.parser.internal.asserts.statement.ExistingAssert;
  import org.apache.shardingsphere.test.it.sql.parser.internal.cases.parser.jaxb.segment.impl.distsql.rdl.ExceptedReadwriteSplittingRule;
  import org.apache.shardingsphere.test.it.sql.parser.internal.cases.parser.jaxb.statement.rdl.rule.readwritesplitting.AlterReadwriteSplittingRuleStatementTestCase;
  
  import java.util.Collection;
  import java.util.List;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  /**
   * Alter readwrite-splitting rule statement assert.
   */
  @NoArgsConstructor(access = AccessLevel.PRIVATE)
  public final class AlterReadwriteSplittingRuleStatementAssert {
      
      /**
       * Assert alter readwrite-splitting rule statement is correct with expected parser result.
       *
       * @param assertContext assert context
       * @param actual actual alter readwrite-splitting rule statement
       * @param expected expected alter readwrite-splitting rule statement result
       */
      public static void assertIs(final SQLCaseAssertContext assertContext, final AlterReadwriteSplittingRuleStatement actual, final AlterReadwriteSplittingRuleStatementTestCase expected) {
          if (ExistingAssert.assertIs(assertContext, actual, expected)) {
              assertReadwriteSplittingRule(assertContext, actual.getRules(), expected.getRules());
          }
      }
      
      private static void assertReadwriteSplittingRule(final SQLCaseAssertContext assertContext, final Collection<ReadwriteSplittingRuleSegment> actual,
                                                       final List<ExceptedReadwriteSplittingRule> expected) {
          if (null == expected) {
              assertNull(actual, assertContext.getText("Actual readwrite-splitting rule should not exist."));
          } else {
              assertNotNull(actual, assertContext.getText("Actual readwrite-splitting rule should exist."));
              assertThat(assertContext.getText(String.format("Actual readwrite-splitting rule size should be %s , but it was %s", expected.size(), actual.size())), actual.size(), is(expected.size()));
              int count = 0;
              for (ReadwriteSplittingRuleSegment each : actual) {
                  ReadwriteSplittingRuleAssert.assertIs(assertContext, each, expected.get(count));
                  count++;
              }
          }
      }
  }