/*

 Copyright (c) 2013, Ford Motor Company
 All rights reserved.

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 modification, are permitted provided that the following conditions are met:

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 list of conditions and the following disclaimer.

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 this list of conditions and the following
 disclaimer in the documentation and/or other materials provided with the
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 Neither the name of the Ford Motor Company nor the names of its contributors
 may be used to endorse or promote products derived from this software
 without specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */

#include "application_manager/commands/mobile/delete_interaction_choice_set_request.h"

#include "application_manager/application_impl.h"
#include "interfaces/MOBILE_API.h"
#include "interfaces/HMI_API.h"
#include "application_manager/message_helper.h"

namespace application_manager {

namespace commands {

DeleteInteractionChoiceSetRequest::DeleteInteractionChoiceSetRequest(
    const MessageSharedPtr& message, ApplicationManager& application_manager)
    : CommandRequestImpl(message, application_manager) {}

DeleteInteractionChoiceSetRequest::~DeleteInteractionChoiceSetRequest() {}

void DeleteInteractionChoiceSetRequest::Run() {
  LOG4CXX_AUTO_TRACE(logger_);

  ApplicationSharedPtr app = application_manager_.application(connection_key());

  if (!app) {
    LOG4CXX_ERROR(logger_,
                  "No application associated with connection key "
                      << connection_key());
    SendResponse(false, mobile_apis::Result::APPLICATION_NOT_REGISTERED);
    return;
  }

  const int32_t choice_set_id =
      (*message_)[strings::msg_params][strings::interaction_choice_set_id]
          .asInt();

  if (!app->FindChoiceSet(choice_set_id)) {
    LOG4CXX_ERROR(logger_,
                  "Choice set with id " << choice_set_id << " is not found.");
    SendResponse(false, mobile_apis::Result::INVALID_ID);
    return;
  }

  if (ChoiceSetInUse(app)) {
    LOG4CXX_ERROR(logger_, "Choice set currently in use.");
    SendResponse(false, mobile_apis::Result::IN_USE);
    return;
  }
  SendVrDeleteCommand(app);

  smart_objects::SmartObject msg_params =
      smart_objects::SmartObject(smart_objects::SmartType_Map);

  msg_params[strings::interaction_choice_set_id] = choice_set_id;
  msg_params[strings::app_id] = app->app_id();

  app->RemoveChoiceSet(choice_set_id);

  // Checking of HMI responses will be implemented with APPLINK-14600
  const bool result = true;
  SendResponse(result, mobile_apis::Result::SUCCESS);
  if (result) {
    app->UpdateHash();
  }
}

bool DeleteInteractionChoiceSetRequest::ChoiceSetInUse(
    ApplicationConstSharedPtr app) {
  LOG4CXX_AUTO_TRACE(logger_);
  if (!app->is_perform_interaction_active()) {
    return false;
  }
  const DataAccessor<PerformChoiceSetMap> accessor =
      app->performinteraction_choice_set_map();
  const PerformChoiceSetMap& choice_set_map = accessor.GetData();

  const uint32_t choice_set_id =
      (*message_)[strings::msg_params][strings::interaction_choice_set_id]
          .asUInt();

  PerformChoiceSetMap::const_iterator it = choice_set_map.begin();
  for (; choice_set_map.end() != it; ++it) {
    const PerformChoice& choice = it->second;
    PerformChoice::const_iterator choice_it = choice.begin();
    for (; choice.end() != choice_it; ++choice_it) {
      if (choice_it->first == choice_set_id) {
        LOG4CXX_ERROR(logger_,
                      "Choice set with id " << choice_set_id << " is in use.");
        return true;
      }
    }
  }
  return true;
}

void DeleteInteractionChoiceSetRequest::SendVrDeleteCommand(
    application_manager::ApplicationSharedPtr app) {
  LOG4CXX_AUTO_TRACE(logger_);

  const uint32_t choice_set_id =
      (*message_)[strings::msg_params][strings::interaction_choice_set_id]
          .asUInt();

  smart_objects::SmartObject* choice_set = app->FindChoiceSet(choice_set_id);

  if (!choice_set) {
    LOG4CXX_ERROR(logger_,
                  "Choice set with id " << choice_set_id << " is not found.");
    return;
  }

  smart_objects::SmartObject msg_params =
      smart_objects::SmartObject(smart_objects::SmartType_Map);
  msg_params[strings::app_id] = app->app_id();
  msg_params[strings::type] = hmi_apis::Common_VRCommandType::Choice;
  msg_params[strings::grammar_id] = (*choice_set)[strings::grammar_id];
  choice_set = &((*choice_set)[strings::choice_set]);
  for (uint32_t i = 0; i < (*choice_set).length(); ++i) {
    msg_params[strings::cmd_id] = (*choice_set)[i][strings::choice_id];
    SendHMIRequest(hmi_apis::FunctionID::VR_DeleteCommand, &msg_params);
  }
}

}  // namespace commands

}  // namespace application_manager