/*
 * 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.phoenix.pig;

import static org.apache.phoenix.util.PhoenixRuntime.JDBC_PROTOCOL_SEPARATOR;
import static org.apache.phoenix.util.TestUtil.LOCALHOST;
import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;

import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Map;
import java.util.Properties;

import org.apache.hadoop.conf.Configuration;
import org.apache.phoenix.end2end.NeedsOwnMiniClusterTest;
import org.apache.phoenix.query.BaseTest;
import org.apache.phoenix.query.QueryConstants;
import org.apache.phoenix.query.QueryServices;
import org.apache.phoenix.query.QueryServicesOptions;
import org.apache.phoenix.util.PhoenixRuntime;
import org.apache.phoenix.util.PropertiesUtil;
import org.apache.phoenix.util.ReadOnlyProps;
import org.apache.pig.ExecType;
import org.apache.pig.PigServer;
import org.apache.pig.data.TupleFactory;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.experimental.categories.Category;

import org.apache.phoenix.thirdparty.com.google.common.collect.Maps;

@Category(NeedsOwnMiniClusterTest.class)
public class BasePigIT extends BaseTest {
    protected TupleFactory tupleFactory;
    protected String zkQuorum;
    protected Connection conn;
    protected Configuration conf;
    protected PigServer pigServer;

    @BeforeClass
    public static void doSetup() throws Exception {
        Map<String,String> props = Maps.newHashMapWithExpectedSize(3);
        props.put(QueryServices.EXTRA_JDBC_ARGUMENTS_ATTRIB, QueryServicesOptions.DEFAULT_EXTRA_JDBC_ARGUMENTS);
        // Must update config before starting server
        setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
    }
    
    @Before
    public void setUp() throws Exception {
        conf = getTestClusterConfig();
        conf.set(QueryServices.EXTRA_JDBC_ARGUMENTS_ATTRIB, QueryServicesOptions.DEFAULT_EXTRA_JDBC_ARGUMENTS);
        // Set CURRENT_SCN to confirm that it's ignored
        conf.set(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(System.currentTimeMillis()+QueryConstants.MILLIS_IN_DAY));
        pigServer = new PigServer(ExecType.LOCAL, conf);
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        conn = DriverManager.getConnection(getUrl(), props);
        zkQuorum = LOCALHOST + JDBC_PROTOCOL_SEPARATOR + getZKClientPort(conf);
        tupleFactory = TupleFactory.getInstance();
    }

    @After
    public void tearDown() throws Exception {
        if(conn != null) {
            conn.close();
        }
        if (pigServer != null) {
            pigServer.shutdown();
        }
    }

    protected static Configuration getTestClusterConfig() {
        // don't want callers to modify config.
        return new Configuration(config);
    }

}