/*
    *    Copyright 2006-2026 the original author or authors.
    *
    *    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
    *
    *       https://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.mybatis.generator.config;
  
  import static org.mybatis.generator.internal.util.StringUtility.stringHasValue;
  import static org.mybatis.generator.internal.util.messages.Messages.getString;
  
  import java.util.List;
  import java.util.Objects;
  
  import org.jspecify.annotations.Nullable;
  import org.mybatis.generator.internal.db.DatabaseDialects;
  
  /**
   * This class specifies that a key is auto-generated, either as an identity
   * column (post insert), or as some other query like a sequence (pre insert).
   *
   * @author Jeff Butler
   */
  public class GeneratedKey {
  
      private final String column;
      private final String runtimeSqlStatement;
      private final boolean isIdentity;
  
      public GeneratedKey(@Nullable String column, @Nullable String configuredSqlStatement, boolean isIdentity) {
          this.column = Objects.requireNonNull(column);
          this.isIdentity = isIdentity;
  
          Objects.requireNonNull(configuredSqlStatement);
          this.runtimeSqlStatement = DatabaseDialects.getDatabaseDialect(configuredSqlStatement)
                  .map(DatabaseDialects::getIdentityRetrievalStatement)
                  .orElse(configuredSqlStatement);
      }
  
      public String getColumn() {
          return column;
      }
  
      public boolean isIdentity() {
          return isIdentity;
      }
  
      public String getRuntimeSqlStatement() {
          return runtimeSqlStatement;
      }
  
      public String getMyBatis3Order() {
          return isIdentity ? "AFTER" : "BEFORE"; //$NON-NLS-1$ //$NON-NLS-2$
      }
  
      public void validate(List<String> errors, String tableName, String contextId) {
          if (!stringHasValue(runtimeSqlStatement)) {
              errors.add(getString("ValidationError.7", tableName, contextId)); //$NON-NLS-1$
          }
      }
  
      public boolean isJdbcStandard() {
          return "JDBC".equals(runtimeSqlStatement); //$NON-NLS-1$
      }
  }