/*
 * Copyright 2010-2011 Ning, Inc.
 *
 * Ning 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 com.ning.billing.util.customfield.dao;

import org.skife.jdbi.v2.IDBI;
import org.skife.jdbi.v2.sqlobject.mixins.Transmogrifier;

import com.google.inject.Inject;
import com.ning.billing.util.customfield.CustomField;
import com.ning.billing.util.dao.AuditedCollectionDaoBase;
import com.ning.billing.util.dao.TableName;
import com.ning.billing.util.entity.collection.dao.UpdatableEntityCollectionSqlDao;

public class AuditedCustomFieldDao extends AuditedCollectionDaoBase<CustomField, String> implements CustomFieldDao {
    private final CustomFieldSqlDao dao;

    @Inject
    public AuditedCustomFieldDao(final IDBI dbi) {
        dao = dbi.onDemand(CustomFieldSqlDao.class);
    }

    @Override
    protected TableName getTableName() {
        return TableName.CUSTOM_FIELD_HISTORY;
    }

    @Override
    protected String getEquivalenceObjectFor(CustomField obj) {
        return obj.getName();
    }

    @Override
    protected UpdatableEntityCollectionSqlDao<CustomField> transmogrifyDao(Transmogrifier transactionalDao) {
        return transactionalDao.become(CustomFieldSqlDao.class);
    }

    @Override
    protected UpdatableEntityCollectionSqlDao<CustomField> getSqlDao() {
        return dao;
    }

    @Override
    protected String getKey(CustomField entity) {
        return entity.getName();
    }

//    @Override
//    public void saveEntitiesFromTransaction(Transmogrifier dao, UUID objectId, ObjectType objectType, List<CustomField> fields, CallContext context) {
//        CustomFieldSqlDao customFieldSqlDao = dao.become(CustomFieldSqlDao.class);
//
//        // get list of existing fields
//        List<CustomField> existingFields = customFieldSqlDao.load(objectId.toString(), objectType);
//        List<CustomField> fieldsToUpdate = new ArrayList<CustomField>();
//
//        // sort into fields to update (fieldsToUpdate), fields to add (fields), and fields to delete (existingFields)
//        Iterator<CustomField> fieldIterator = fields.iterator();
//        while (fieldIterator.hasNext()) {
//            CustomField field = fieldIterator.next();
//
//            Iterator<CustomField> existingFieldIterator = existingFields.iterator();
//            while (existingFieldIterator.hasNext()) {
//                CustomField existingField = existingFieldIterator.next();
//                if (field.getName().equals(existingField.getName())) {
//                    // if the tagStore match, remove from both lists
//                    fieldsToUpdate.add(field);
//                    fieldIterator.remove();
//                    existingFieldIterator.remove();
//                }
//            }
//        }
//
//        customFieldSqlDao.batchInsertFromTransaction(objectId.toString(), objectType, fields, context);
//        customFieldSqlDao.batchUpdateFromTransaction(objectId.toString(), objectType, fieldsToUpdate, context);
//
//        // get all custom fields (including those that are about to be deleted) from the database in order to get the record ids
//        List<Mapper> recordIds = customFieldSqlDao.getRecordIds(objectId.toString(), objectType);
//        Map<UUID, Long> recordIdMap = new HashMap<UUID, Long>();
//        for (Mapper recordId : recordIds) {
//            recordIdMap.put(recordId.getId(), recordId.getRecordId());
//        }
//
//        customFieldSqlDao.batchDeleteFromTransaction(objectId.toString(), objectType, existingFields, context);
//
//        List<MappedEntity<CustomField>> fieldHistories = new ArrayList<MappedEntity<CustomField>>();
//        fieldHistories.addAll(convertToHistory(fields, recordIdMap, ChangeType.INSERT));
//        fieldHistories.addAll(convertToHistory(fieldsToUpdate, recordIdMap, ChangeType.UPDATE));
//        fieldHistories.addAll(convertToHistory(existingFields, recordIdMap, ChangeType.DELETE));
//
//        customFieldSqlDao.batchAddHistoryFromTransaction(objectId.toString(), objectType, fieldHistories, context);
//        customFieldSqlDao.batchInsertAuditLogFromTransaction(TableName.CUSTOM_FIELD_HISTORY, objectId.toString(), objectType, fieldHistories, context);
//    }
//
//    private List<MappedEntity<CustomField>> convertToHistory(List<CustomField> fields, Map<UUID, Long> recordIds, ChangeType changeType) {
//        List<MappedEntity<CustomField>> result = new ArrayList<MappedEntity<CustomField>>();
//
//        for (CustomField field : fields) {
//            result.add(new MappedEntity<CustomField>(recordIds.get(field.getId()), field, changeType));
//        }
//
//        return result;
//    }
}
