/*
 * Copyright 2016-2018 shardingsphere.io.
 * <p>
 * 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.
 * </p>
 */

package io.shardingsphere.orchestration.internal.config;

import io.shardingsphere.core.config.DataSourceConfiguration;
import io.shardingsphere.core.event.ShardingEventBusInstance;
import io.shardingsphere.core.rule.Authentication;
import io.shardingsphere.core.rule.ShardingRule;
import io.shardingsphere.orchestration.internal.event.config.ConfigurationChangedEvent;
import io.shardingsphere.orchestration.internal.event.config.MasterSlaveConfigurationChangedEvent;
import io.shardingsphere.orchestration.internal.event.config.ShardingConfigurationChangedEvent;
import io.shardingsphere.orchestration.internal.listener.ListenerManager;
import io.shardingsphere.orchestration.internal.state.datasource.DataSourceService;
import io.shardingsphere.orchestration.reg.api.RegistryCenter;
import io.shardingsphere.orchestration.reg.listener.DataChangedEvent;
import io.shardingsphere.orchestration.reg.listener.EventListener;

import java.util.Map;
import java.util.Properties;

/**
 * Authentication listener manager.
 *
 * @author panjuan
 */
public final class AuthenticationListenerManager implements ListenerManager {
    
    private final ConfigurationNode configNode;
    
    private final RegistryCenter regCenter;
    
    private final String shardingSchemaName;
    
    private final ConfigurationService configService;
    
    private final DataSourceService dataSourceService;
    
    public AuthenticationListenerManager(final String name, final RegistryCenter regCenter, final String shardingSchemaName) {
        configNode = new ConfigurationNode(name);
        this.regCenter = regCenter;
        this.shardingSchemaName = shardingSchemaName;
        configService = new ConfigurationService(name, regCenter);
        dataSourceService = new DataSourceService(name, regCenter);
    }
    
    @Override
    public void watch() {
        watch(configNode.getDataSourcePath(shardingSchemaName));
        watch(configNode.getRulePath(shardingSchemaName));
        watch(configNode.getPropsPath());
        watch(configNode.getAuthenticationPath());
    }
    
    private void watch(final String path) {
        regCenter.watch(path, new EventListener() {
            
            @Override
            public void onChange(final DataChangedEvent event) {
                if (DataChangedEvent.Type.UPDATED == event.getEventType()) {
                    Map<String, DataSourceConfiguration> dataSourceConfigurations = dataSourceService.getAvailableDataSourceConfigurations(shardingSchemaName);
                    Authentication authentication = configService.loadAuthentication();
                    Properties props = configService.loadProperties();
                    ShardingEventBusInstance.getInstance().post(configService.isShardingRule(shardingSchemaName)
                            ? getShardingEvent(dataSourceConfigurations, authentication, props) : getMasterSlaveEvent(dataSourceConfigurations, authentication, props));
                }
            }
            
            private ConfigurationChangedEvent getShardingEvent(final Map<String, DataSourceConfiguration> dataSourceConfigurations, final Authentication authentication, final Properties props) {
                return new ShardingConfigurationChangedEvent(shardingSchemaName, dataSourceConfigurations,
                        new ShardingRule(dataSourceService.getAvailableShardingRuleConfiguration(shardingSchemaName), dataSourceConfigurations.keySet()), authentication, props);
            }
            
            private ConfigurationChangedEvent getMasterSlaveEvent(final Map<String, DataSourceConfiguration> dataSourceConfigurations, final Authentication authentication, final Properties props) {
                return new MasterSlaveConfigurationChangedEvent(shardingSchemaName, dataSourceConfigurations,
                        dataSourceService.getAvailableMasterSlaveRuleConfiguration(shardingSchemaName), authentication, props);
            }
        });
    }
}

@@ -895,16 +895,105 @@
 ngRule;%0A
+import io.shardingsphere.orchestration.internal.event.config.AuthenticationChangedEvent;%0A
 import i
@@ -1064,32 +1064,32 @@
 onChangedEvent;%0A
-
 import io.shardi
@@ -2192,41 +2192,8 @@
 nter
-, final String shardingSchemaName
 ) %7B%0A
@@ -2282,62 +2282,8 @@
 er;%0A
-        this.shardingSchemaName = shardingSchemaName;%0A
     
@@ -2349,76 +2349,8 @@
 r);%0A
-        dataSourceService = new DataSourceService(name, regCenter);%0A
     
@@ -2921,1576 +2921,138 @@
     
-Map%3CString, DataSourceConfiguration%3E dataSourceConfigurations = dataSourceService.getAvailableDataSourceConfigurations(shardingSchemaName);%0A                    Authentication authentication = configService.loadAuthentication();%0A                    Properties props = configService.loadProperties();%0A                    ShardingEventBusInstance.getInstance().post(configService.isShardingRule(shardingSchemaName)%0A                            ? getShardingEvent(dataSourceConfigurations, authentication, props) : getMasterSlaveEvent(dataSourceConfigurations, authentication, props));%0A                %7D%0A            %7D%0A            %0A            private ConfigurationChangedEvent getShardingEvent(final Map%3CString, DataSourceConfiguration%3E dataSourceConfigurations, final Authentication authentication, final Properties props) %7B%0A                return new ShardingConfigurationChangedEvent(shardingSchemaName, dataSourceConfigurations,%0A                        new ShardingRule(dataSourceService.getAvailableShardingRuleConfiguration(shardingSchemaName), dataSourceConfigurations.keySet()), authentication, props);%0A            %7D%0A            %0A            private ConfigurationChangedEvent getMasterSlaveEvent(final Map%3CString, DataSourceConfiguration%3E dataSourceConfigurations, final Authentication authentication, final Properties props) %7B%0A                return new MasterSlaveConfigurationChangedEvent(shardingSchemaName, dataSourceConfigurations,%0A                        dataSourceService.getAvailableMasterSlaveRuleConfiguration(shardingSchemaName), authentication, props);
+ShardingEventBusInstance.getInstance().post(new AuthenticationChangedEvent(configService.loadAuthentication()));%0A                %7D
 %0A   

modify watch()