/*
 * 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.tuscany.nosqldatastore.couchdb;

import org.apache.tuscany.nosqldatastore.Database;
import org.apache.tuscany.nosqldatastore.Session;
import org.apache.tuscany.nosqldatastore.exception.DatabaseNotFoundException;
import org.apache.tuscany.nosqldatastore.exception.SessionException;
import org.jcouchdb.db.Server;
import org.jcouchdb.exception.CouchDBException;

public class CouchDBSession implements Session{

    private String sessionName;

    public CouchDBSession(String name){
        sessionName = name;
    }

    public Database createDatabase(String databaseName) throws SessionException {
        Database database = null;
        try{
            database = new CouchDBDatatabase(databaseName);
        } catch(CouchDBException e){
            throw new SessionException("Session error");
        }
        return database;
    }

    public Database getDatabase(String databaseName) throws SessionException {
        Database database = createDatabase(databaseName);
        return database;
    }

    public void deleteDatabase(String databaseName) throws SessionException, DatabaseNotFoundException {
        org.jcouchdb.db.Database db = new org.jcouchdb.db.Database("localhost",databaseName);
        if(db.getServer().listDatabases().contains(databaseName)){
            try{
                db.getServer().deleteDatabase(databaseName);
            } catch(CouchDBException e){
                throw new SessionException("Session error");
            }
        } else {
            throw new DatabaseNotFoundException("Database "+databaseName+" not found");
        }
    }
}