/*
    * 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.shardingsphere.agent.plugin.tracing.opentelemetry.advice;
  
  import io.opentelemetry.api.GlobalOpenTelemetry;
  import io.opentelemetry.api.trace.Span;
  import io.opentelemetry.api.trace.SpanBuilder;
  import io.opentelemetry.api.trace.StatusCode;
  import io.opentelemetry.api.trace.Tracer;
  import io.opentelemetry.context.Context;
  import org.apache.shardingsphere.agent.api.advice.TargetAdviceObject;
  import org.apache.shardingsphere.agent.plugin.tracing.core.advice.TracingJDBCExecutorCallbackAdvice;
  import org.apache.shardingsphere.agent.plugin.tracing.core.constant.AttributeConstants;
  import org.apache.shardingsphere.agent.plugin.tracing.opentelemetry.constant.OpenTelemetryConstants;
  import org.apache.shardingsphere.infra.database.core.connector.ConnectionProperties;
  import org.apache.shardingsphere.infra.database.core.type.DatabaseType;
  import org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutionUnit;
  
  import java.lang.reflect.Method;
  
  /**
   * OpenTelemetry JDBC executor callback advice executor.
   */
  public final class OpenTelemetryJDBCExecutorCallbackAdvice extends TracingJDBCExecutorCallbackAdvice<Span> {
      
      @Override
      protected void recordExecuteInfo(final Span parentSpan, final TargetAdviceObject target, final JDBCExecutionUnit executionUnit, final boolean isTrunkThread,
                                       final ConnectionProperties connectionProps, final DatabaseType databaseType) {
          Tracer tracer = GlobalOpenTelemetry.getTracer(OpenTelemetryConstants.TRACER_NAME);
          SpanBuilder spanBuilder = tracer.spanBuilder(OPERATION_NAME);
          spanBuilder.setParent(Context.current().with(parentSpan));
          spanBuilder.setAttribute(AttributeConstants.COMPONENT, AttributeConstants.COMPONENT_NAME);
          spanBuilder.setAttribute(AttributeConstants.DB_TYPE, databaseType.getType());
          spanBuilder.setAttribute(AttributeConstants.DB_INSTANCE, executionUnit.getExecutionUnit().getDataSourceName())
                  .setAttribute(AttributeConstants.PEER_HOSTNAME, connectionProps.getHostname())
                  .setAttribute(AttributeConstants.PEER_PORT, String.valueOf(connectionProps.getPort()))
                  .setAttribute(AttributeConstants.DB_STATEMENT, executionUnit.getExecutionUnit().getSqlUnit().getSql())
                  .setAttribute(AttributeConstants.DB_BIND_VARIABLES, executionUnit.getExecutionUnit().getSqlUnit().getParameters().toString())
                  .setAttribute(AttributeConstants.SPAN_KIND, AttributeConstants.SPAN_KIND_CLIENT);
          target.setAttachment(spanBuilder.startSpan());
      }
      
      @Override
      public void afterMethod(final TargetAdviceObject target, final Method method, final Object[] args, final Object result, final String pluginType) {
          Span span = (Span) target.getAttachment();
          span.setStatus(StatusCode.OK);
          span.end();
      }
      
      @Override
      public void onThrowing(final TargetAdviceObject target, final Method method, final Object[] args, final Throwable throwable, final String pluginType) {
          Span span = (Span) target.getAttachment();
          span.setStatus(StatusCode.ERROR).recordException(throwable);
          span.end();
      }
  }