/*
 * 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.usergrid.chop.stack;


import java.io.StringReader;
import java.net.URL;
import java.util.UUID;

import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.databind.ObjectMapper;

import static junit.framework.TestCase.assertEquals;
import static junit.framework.TestCase.assertNotNull;
import static junit.framework.TestCase.assertTrue;


/**
 * This class tests stack serialization to and from JSON.
 */
public class StackTest {
    private static final Logger LOG = LoggerFactory.getLogger( StackTest.class );


    private UUID uuid = UUID.fromString( "adb51dfa-ed4f-4a36-9cbf-6b5a7b6da31e" );
    private BasicStack stack;


    @Before
    public void setup() {
        stack = new BasicStack();
    }


    @Test
    public void testBasicGeneration() throws Exception {
        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString( stack );
        LOG.debug( json );
        assertTrue( json.startsWith( "{\"name\":null,\"id\":\"" ) );
    }


    @Test
    public void testBasicName() throws Exception {
        stack.setName( "foobar" );
        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString( stack );
        LOG.info( json );

        assertTrue( json.startsWith( "{\"name\":\"foobar\",\"id\":\"" ) );
    }


    @Test
    public void testCombo() throws Exception {
        stack.setName( "UG-2.0" )
            .setId( uuid )
            .setDataCenter( "es-east-1c" )
            .setRuleSetName( "UG-Chop-Rules" )
            .addInboundRule( new BasicIpRule().withFromPort( 80 ).withToPort( 8080 ).withIpRanges( "0.0.0.0/32" )
                                              .withIpProtocol( "tcp" ) )
            .addInboundRule( new BasicIpRule().withFromPort( 443 ).withToPort( 8443 ).withIpRanges( "0.0.0.0/32" )
                                              .withIpProtocol( "tcp" ) )
            .add( new BasicCluster().setName( "ElasticSearch" ).setSize( 6 ).setInstanceSpec(
                    new BasicInstanceSpec().setKeyName( "TestKeyPair" ).setImageId( "ami-c56152ac" )
                                           .setScriptEnvProperty( "ES_PATH", "/var/lib/elastic_search" )
                                           .setScriptEnvProperty( "JAVA_HOME", "/user/lib/jvm/default" )
                                           .setType( "m1.large" ).addSetupScript( new URL( "file://./install_es.sh" ) )
                                           .addSetupScript( new URL( "file://./setup_cassandra.sh" ) ) ) )
            .add( new BasicCluster().setName( "Cassandra" ).setSize( 6 ).setInstanceSpec(
                    new BasicInstanceSpec().setKeyName( "TestKeyPair" )
                                           .setImageId( "ami-c56152ac" )
                                           .setScriptEnvProperty( "CASSANDRA_PATH", "/var/lib/cassandra" )
                                           .setScriptEnvProperty( "JAVA_HOME", "/user/lib/jvm/default" )
                                           .setType( "m1.xlarge" )
                                           .addSetupScript( new URL( "file://./install_cassandra.sh" ) )
                                           .addSetupScript( new URL( "file://./setup_cassandra.sh" ) )
            ) 
        );

        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writerWithDefaultPrettyPrinter().writeValueAsString( stack );
        LOG.info( json );
        LOG.info( "---------" );

        BasicStack foo = mapper.readValue( new StringReader( json ), BasicStack.class );
        assertEquals( "UG-2.0", foo.getName() );
        assertEquals( uuid.toString(), foo.getId().toString() );
        assertNotNull( foo.getClusters().get( 0 ) );
        assertEquals( "ElasticSearch", foo.getClusters().get( 0 ).getName() );

        Cluster cluster = foo.getClusters().get( 0 );
        InstanceSpec spec = cluster.getInstanceSpec();
        assertEquals( "file://./install_es.sh", spec.getSetupScripts().get( 0 ).toString() );
//        URL script = spec.getSetupScripts().get( 0 );
        URL script = new URL( "file://./install_es.sh" );
        LOG.info( "setup script path = {}", script.getPath() );

        LOG.info( "script modified = {}", script.getPath().substring( 1 ) );
        URL reloaded = getClass().getClassLoader().getResource( script.getPath().substring( 1 ) );
        LOG.info( "reloaded form CL script path = {}", reloaded.toString() );
    }
}