/*
 * Copyright 2017 The Mifos Initiative.
 *
 * 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 io.mifos.identity.internal.repository;

import com.datastax.driver.core.DataType;
import com.datastax.driver.core.schemabuilder.SchemaBuilder;
import io.mifos.core.cassandra.core.CassandraSessionProvider;
import io.mifos.core.cassandra.util.CodecRegistry;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;

/**
 * @author Myrle Krantz
 */
@Component
public class Permissions {

  static final String TYPE_NAME = "isis_permission";
  static final String PERMITTABLE_GROUP_IDENTIFIER_FIELD = "permittable_group_identifier";
  static final String ALLOWED_OPERATIONS_FIELD = "allowed_operations";

  private final CassandraSessionProvider cassandraSessionProvider;

  @Autowired
  public Permissions(final CassandraSessionProvider cassandraSessionProvider) {
    this.cassandraSessionProvider = cassandraSessionProvider;
  }

  @SuppressWarnings("unchecked")
  @PostConstruct
  public void initialize()
  {
    CodecRegistry.register(AllowedOperationType.getCodec());
  }

  public void buildType() {
    final String type_statement =
        SchemaBuilder.createType(TYPE_NAME)
            .ifNotExists()
            .addColumn(PERMITTABLE_GROUP_IDENTIFIER_FIELD, DataType.text())
            .addColumn(ALLOWED_OPERATIONS_FIELD, DataType.set(DataType.text()))
            .buildInternal();
    cassandraSessionProvider.getTenantSession().execute(type_statement);
  }
}