text: /**
   *
   *    Copyright (c) 2021 Project CHIP Authors
   *
   *    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.
   */
  /****************************************************************************
   * @file
   * @brief Routines for the Media Input plugin, the
   *server implementation of the Media Input cluster.
   *******************************************************************************
   ******************************************************************************/
  
  #include <app-common/zap-generated/attributes/Accessors.h>
  #include <app-common/zap-generated/cluster-objects.h>
  #include <app/CommandHandler.h>
  #include <app/ConcreteCommandPath.h>
  #include <app/util/af.h>
  #include <string>
  
  using namespace chip;
  using namespace chip::app::Clusters;
  using namespace chip::app::Clusters::MediaInput;
  
  bool mediaInputClusterSelectInput(uint8_t input);
  bool mediaInputClusterShowInputStatus();
  bool mediaInputClusterHideInputStatus();
  bool mediaInputClusterRenameInput(uint8_t input, std::string name);
  
  static void storeCurrentInput(EndpointId endpoint, uint8_t currentInput)
  {
      EmberAfStatus status = Attributes::CurrentMediaInput::Set(endpoint, currentInput);
      if (status != EMBER_ZCL_STATUS_SUCCESS)
      {
          ChipLogError(Zcl, "Failed to store media playback attribute.");
      }
  }
  
  bool emberAfMediaInputClusterSelectInputCallback(app::CommandHandler * command, const app::ConcreteCommandPath & commandPath,
                                                   const Commands::SelectInput::DecodableType & commandData)
  {
      auto & input = commandData.index;
  
      bool success         = mediaInputClusterSelectInput(input);
      EmberAfStatus status = success ? EMBER_ZCL_STATUS_SUCCESS : EMBER_ZCL_STATUS_FAILURE;
      if (success)
      {
          storeCurrentInput(emberAfCurrentEndpoint(), input);
      }
      emberAfSendImmediateDefaultResponse(status);
      return true;
  }
  
  bool emberAfMediaInputClusterShowInputStatusCallback(app::CommandHandler * command, const app::ConcreteCommandPath & commandPath,
                                                       const Commands::ShowInputStatus::DecodableType & commandData)
  {
      bool success         = mediaInputClusterShowInputStatus();
      EmberAfStatus status = success ? EMBER_ZCL_STATUS_SUCCESS : EMBER_ZCL_STATUS_FAILURE;
      emberAfSendImmediateDefaultResponse(status);
      return true;
  }
  
  bool emberAfMediaInputClusterHideInputStatusCallback(app::CommandHandler * command, const app::ConcreteCommandPath & commandPath,
                                                       const Commands::HideInputStatus::DecodableType & commandData)
  {
      bool success         = mediaInputClusterHideInputStatus();
      EmberAfStatus status = success ? EMBER_ZCL_STATUS_SUCCESS : EMBER_ZCL_STATUS_FAILURE;
      emberAfSendImmediateDefaultResponse(status);
      return true;
  }
  
  bool emberAfMediaInputClusterRenameInputCallback(app::CommandHandler * command, const app::ConcreteCommandPath & commandPath,
                                                   const Commands::RenameInput::DecodableType & commandData)
  {
      auto & input = commandData.index;
      auto & name  = commandData.name;
  
      // TODO: char is not null terminated, verify this code once #7963 gets merged.
      std::string nameString(name.data(), name.size());
      bool success         = mediaInputClusterRenameInput(input, nameString);
      EmberAfStatus status = success ? EMBER_ZCL_STATUS_SUCCESS : EMBER_ZCL_STATUS_FAILURE;
      emberAfSendImmediateDefaultResponse(status);
      return true;
  }
  