/*
 Copyright (c) 2016, Ford Motor Company
 All rights reserved.

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 may be used to endorse or promote products derived from this software
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 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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#include "application_manager/commands/request_from_hmi.h"

#include "application_manager/app_service_manager.h"
#include "application_manager/application_manager.h"
#include "application_manager/request_info.h"
#include "application_manager/rpc_service.h"
#include "utils/helpers.h"

#include "smart_objects/enum_schema_item.h"

#include "smart_objects/enum_schema_item.h"

namespace application_manager {

namespace commands {

RequestFromHMI::RequestFromHMI(const MessageSharedPtr& message,
                               ApplicationManager& application_manager,
                               rpc_service::RPCService& rpc_service,
                               HMICapabilities& hmi_capabilities,
                               policy::PolicyHandlerInterface& policy_handler)
    : CommandImpl(message,
                  application_manager,
                  rpc_service,
                  hmi_capabilities,
                  policy_handler)
    , EventObserver(application_manager.event_dispatcher()) {
  // Replace HMI app id with Mobile connection id
  ReplaceHMIWithMobileAppId(*message);
}

RequestFromHMI::~RequestFromHMI() {}

bool RequestFromHMI::Init() {
  return true;
}

bool RequestFromHMI::CleanUp() {
  return true;
}

void RequestFromHMI::Run() {}

void RequestFromHMI::on_event(const event_engine::Event& event) {}

void RequestFromHMI::on_event(const event_engine::MobileEvent& event) {}

void RequestFromHMI::SendResponse(
    const bool success,
    const uint32_t correlation_id,
    const hmi_apis::FunctionID::eType function_id,
    const hmi_apis::Common_Result::eType result_code,
    const smart_objects::SmartObject* response_params,
    commands::Command::CommandSource source) {
  smart_objects::SmartObjectSPtr message =
      std::make_shared<smart_objects::SmartObject>(
          smart_objects::SmartType_Map);
  FillCommonParametersOfSO(*message, correlation_id, function_id);
  (*message)[strings::params][strings::message_type] = MessageType::kResponse;
  (*message)[strings::params][hmi_response::code] = result_code;

  if (response_params) {
    (*message)[strings::msg_params] = *response_params;
  }

  (*message)[strings::msg_params][strings::success] = success;
  (*message)[strings::msg_params][strings::result_code] = result_code;

  rpc_service_.ManageHMICommand(message, source);
}

void RequestFromHMI::SendErrorResponse(
    const uint32_t correlation_id,
    const hmi_apis::FunctionID::eType function_id,
    const hmi_apis::Common_Result::eType result_code,
    const std::string error_message,
    commands::Command::CommandSource source) {
  smart_objects::SmartObjectSPtr message =
      std::make_shared<smart_objects::SmartObject>(
          smart_objects::SmartType_Map);
  FillCommonParametersOfSO(*message, correlation_id, function_id);
  (*message)[strings::params][strings::message_type] =
      MessageType::kErrorResponse;
  (*message)[strings::params][hmi_response::code] = result_code;
  (*message)[strings::params][strings::error_msg] = error_message;

  rpc_service_.ManageHMICommand(message, source);
}

void RequestFromHMI::FillCommonParametersOfSO(
    smart_objects::SmartObject& message,
    const uint32_t correlation_id,
    const hmi_apis::FunctionID::eType function_id) {
  (message)[strings::params][strings::function_id] = function_id;
  (message)[strings::params][strings::protocol_type] = hmi_protocol_type_;
  (message)[strings::params][strings::protocol_version] = protocol_version_;
  (message)[strings::params][strings::correlation_id] = correlation_id;
}

bool RequestFromHMI::IsMobileResultSuccess(
    mobile_apis::Result::eType result_code) const {
  LOG4CXX_AUTO_TRACE(logger_);
  using namespace helpers;
  return Compare<mobile_apis::Result::eType, EQ, ONE>(
      result_code,
      mobile_apis::Result::SUCCESS,
      mobile_apis::Result::WARNINGS,
      mobile_apis::Result::WRONG_LANGUAGE,
      mobile_apis::Result::RETRY,
      mobile_apis::Result::SAVED);
}

bool RequestFromHMI::IsHMIResultSuccess(
    hmi_apis::Common_Result::eType result_code,
    HmiInterfaces::InterfaceID interface) const {
  LOG4CXX_AUTO_TRACE(logger_);
  using namespace helpers;
  if (Compare<hmi_apis::Common_Result::eType, EQ, ONE>(
          result_code,
          hmi_apis::Common_Result::SUCCESS,
          hmi_apis::Common_Result::WARNINGS,
          hmi_apis::Common_Result::WRONG_LANGUAGE,
          hmi_apis::Common_Result::RETRY,
          hmi_apis::Common_Result::SAVED)) {
    return true;
  }

  const HmiInterfaces::InterfaceState state =
      application_manager_.hmi_interfaces().GetInterfaceState(interface);
  if ((hmi_apis::Common_Result::UNSUPPORTED_RESOURCE == result_code) &&
      (HmiInterfaces::STATE_NOT_AVAILABLE != state)) {
    return true;
  }
  return false;
}

void RequestFromHMI::SendProviderRequest(
    const mobile_apis::FunctionID::eType& mobile_function_id,
    const hmi_apis::FunctionID::eType& hmi_function_id,
    const smart_objects::SmartObject* msg,
    bool use_events) {
  LOG4CXX_AUTO_TRACE(logger_);
  bool hmi_destination = false;
  ApplicationSharedPtr app;
  // Default error code and error message
  std::string error_msg = "No app service provider available";
  hmi_apis::Common_Result::eType error_code =
      hmi_apis::Common_Result::DATA_NOT_AVAILABLE;

  if ((*msg)[strings::msg_params].keyExists(strings::service_type)) {
    std::string service_type =
        (*msg)[strings::msg_params][strings::service_type].asString();
    application_manager_.GetAppServiceManager().GetProviderByType(
        service_type, false, app, hmi_destination);
    error_msg = "No app service provider with serviceType: " + service_type +
                " is available";
    error_code = hmi_apis::Common_Result::DATA_NOT_AVAILABLE;
  } else if ((*msg)[strings::msg_params].keyExists(strings::service_id)) {
    std::string service_id =
        (*msg)[strings::msg_params][strings::service_id].asString();
    application_manager_.GetAppServiceManager().GetProviderByID(
        service_id, false, app, hmi_destination);
    error_msg = "No app service provider with serviceId: " + service_id +
                " is available";
    error_code = hmi_apis::Common_Result::INVALID_ID;
  }

  if (hmi_destination) {
    LOG4CXX_DEBUG(logger_, "Sending Request to HMI Provider");
    application_manager_.IncreaseForwardedRequestTimeout(
        application_manager::request_controller::RequestInfo::HmiConnectionKey,
        correlation_id());
    SendHMIRequest(hmi_function_id, &(*msg)[strings::msg_params], use_events);
    return;
  }

  if (!app) {
    LOG4CXX_DEBUG(logger_, "Invalid App Provider pointer");
    SendErrorResponse(correlation_id(),
                      static_cast<hmi_apis::FunctionID::eType>(function_id()),
                      error_code,
                      error_msg,
                      commands::Command::CommandSource::SOURCE_SDL_TO_HMI);
    return;
  }

  LOG4CXX_DEBUG(logger_, "Sending Request to Mobile Provider");
  application_manager_.IncreaseForwardedRequestTimeout(
      application_manager::request_controller::RequestInfo::HmiConnectionKey,
      correlation_id());
  SendMobileRequest(
      mobile_function_id, app, &(*msg)[strings::msg_params], use_events);
}

void RequestFromHMI::SendMobileRequest(
    const mobile_apis::FunctionID::eType& function_id,
    const ApplicationSharedPtr app,
    const smart_objects::SmartObject* msg_params,
    bool use_events) {
  smart_objects::SmartObjectSPtr result =
      std::make_shared<smart_objects::SmartObject>();

  const uint32_t mobile_correlation_id =
      application_manager_.GetNextMobileCorrelationID();

  smart_objects::SmartObject& request = *result;

  request[strings::params][strings::message_type] = MessageType::kRequest;
  request[strings::params][strings::function_id] = function_id;
  request[strings::params][strings::correlation_id] = mobile_correlation_id;
  request[strings::params][strings::protocol_version] = app->protocol_version();
  request[strings::params][strings::protocol_type] =
      CommandImpl::mobile_protocol_type_;

  request[strings::params][strings::connection_key] = app->app_id();

  if (msg_params) {
    request[strings::msg_params] = *msg_params;
  }

  if (use_events) {
    LOG4CXX_DEBUG(logger_,
                  "RequestFromHMI subscribe_on_event "
                      << function_id << " " << mobile_correlation_id);
    subscribe_on_event(function_id, mobile_correlation_id);
  }
  if (!rpc_service_.ManageMobileCommand(
          result, commands::Command::CommandSource::SOURCE_SDL)) {
    LOG4CXX_ERROR(logger_, "Unable to send request to mobile");
  }
}

void RequestFromHMI::SendHMIRequest(
    const hmi_apis::FunctionID::eType& function_id,
    const smart_objects::SmartObject* msg_params,
    bool use_events) {
  smart_objects::SmartObjectSPtr result =
      std::make_shared<smart_objects::SmartObject>();

  const uint32_t hmi_correlation_id =
      application_manager_.GetNextHMICorrelationID();

  smart_objects::SmartObject& request = *result;
  request[strings::params][strings::message_type] = MessageType::kRequest;
  request[strings::params][strings::function_id] = function_id;
  request[strings::params][strings::correlation_id] = hmi_correlation_id;
  request[strings::params][strings::protocol_type] =
      CommandImpl::hmi_protocol_type_;

  if (msg_params) {
    request[strings::msg_params] = *msg_params;
  }

  if (use_events) {
    LOG4CXX_DEBUG(logger_,
                  "RequestFromHMI subscribe_on_event " << function_id << " "
                                                       << hmi_correlation_id);
    subscribe_on_event(function_id, hmi_correlation_id);
  }
  if (ProcessHMIInterfacesAvailability(hmi_correlation_id, function_id)) {
    if (!rpc_service_.ManageHMICommand(
            result, commands::Command::CommandSource::SOURCE_SDL_TO_HMI)) {
      LOG4CXX_ERROR(logger_, "Unable to send request");
    }
  } else {
    LOG4CXX_DEBUG(logger_, "Interface is not available");
  }
}

bool RequestFromHMI::ProcessHMIInterfacesAvailability(
    const uint32_t hmi_correlation_id,
    const hmi_apis::FunctionID::eType& function_id) {
  LOG4CXX_AUTO_TRACE(logger_);
  HmiInterfaces& hmi_interfaces = application_manager_.hmi_interfaces();
  HmiInterfaces::InterfaceID interface =
      hmi_interfaces.GetInterfaceFromFunction(function_id);
  DCHECK(interface != HmiInterfaces::HMI_INTERFACE_INVALID_ENUM);
  const HmiInterfaces::InterfaceState state =
      hmi_interfaces.GetInterfaceState(interface);
  if (HmiInterfaces::STATE_NOT_AVAILABLE == state) {
    return false;
  }
  return true;
}

}  // namespace commands
}  // namespace application_manager