/*
 *  Copyright (C) 2015-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#include "ControllerLayout.h"
#include "Controller.h"
#include "ControllerDefinitions.h"
#include "ControllerTopology.h"
#include "ControllerTranslator.h"
#include "guilib/LocalizeStrings.h"
#include "utils/log.h"
#include "utils/URIUtils.h"
#include "utils/XMLUtils.h"

#include <sstream>

using namespace KODI;
using namespace GAME;

CControllerLayout::CControllerLayout() :
  m_topology(new CControllerTopology)
{
}

CControllerLayout::CControllerLayout(const CControllerLayout &other) :
  m_controller(other.m_controller),
  m_labelId(other.m_labelId),
  m_icon(other.m_icon),
  m_strImage(other.m_strImage),
  m_topology(new CControllerTopology(*other.m_topology))
{
}

CControllerLayout::~CControllerLayout() = default;

void CControllerLayout::Reset(void)
{
  m_controller = nullptr;
  m_labelId = -1;
  m_icon.clear();
  m_strImage.clear();
  m_topology->Reset();
}

bool CControllerLayout::IsValid(bool bLog) const
{
  if (m_labelId < 0)
  {
    if (bLog)
      CLog::Log(LOGERROR, "<%s> tag has no \"%s\" attribute", LAYOUT_XML_ROOT, LAYOUT_XML_ATTR_LAYOUT_LABEL);
    return false;
  }

  if (m_strImage.empty())
  {
    if (bLog)
      CLog::Log(LOGDEBUG, "<%s> tag has no \"%s\" attribute", LAYOUT_XML_ROOT, LAYOUT_XML_ATTR_LAYOUT_IMAGE);
    return false;
  }

  return true;
}

std::string CControllerLayout::Label(void) const
{
  std::string label;

  if (m_labelId >= 0 && m_controller != nullptr)
    label = g_localizeStrings.GetAddonString(m_controller->ID(), m_labelId);

  return label;
}

std::string CControllerLayout::ImagePath(void) const
{
  std::string path;

  if (!m_strImage.empty() && m_controller != nullptr)
    return URIUtils::AddFileToFolder(URIUtils::GetDirectory(m_controller->LibPath()), m_strImage);

  return path;
}

void CControllerLayout::Deserialize(const TiXmlElement* pElement, const CController* controller, std::vector<CControllerFeature> &features)
{
  if (pElement == nullptr || controller == nullptr)
    return;

  // Controller (used for string lookup and path translation)
  m_controller = controller;

  // Label
  std::string strLabel = XMLUtils::GetAttribute(pElement, LAYOUT_XML_ATTR_LAYOUT_LABEL);
  if (!strLabel.empty())
    std::istringstream(strLabel) >> m_labelId;

  // Icon
  std::string icon = XMLUtils::GetAttribute(pElement, LAYOUT_XML_ATTR_LAYOUT_ICON);
  if (!icon.empty())
    m_icon = icon;

  // Fallback icon, use add-on icon
  if (m_icon.empty())
    m_icon = controller->Icon();

  // Image
  std::string image = XMLUtils::GetAttribute(pElement, LAYOUT_XML_ATTR_LAYOUT_IMAGE);
  if (!image.empty())
    m_strImage = image;

  for (const TiXmlElement* pChild = pElement->FirstChildElement(); pChild != nullptr; pChild = pChild->NextSiblingElement())
  {
    if (pChild->ValueStr() == LAYOUT_XML_ELM_CATEGORY)
    {
      // Category
      std::string strCategory = XMLUtils::GetAttribute(pChild, LAYOUT_XML_ATTR_CATEGORY_NAME);
      JOYSTICK::FEATURE_CATEGORY category = CControllerTranslator::TranslateFeatureCategory(strCategory);

      // Category label
      int categoryLabelId = -1;

      std::string strCategoryLabelId = XMLUtils::GetAttribute(pChild, LAYOUT_XML_ATTR_CATEGORY_LABEL);
      if (!strCategoryLabelId.empty())
        std::istringstream(strCategoryLabelId) >> categoryLabelId;

      // Features
      for (const TiXmlElement* pFeature = pChild->FirstChildElement(); pFeature != nullptr; pFeature = pFeature->NextSiblingElement())
      {
        CControllerFeature feature;

        if (feature.Deserialize(pFeature, controller, category, categoryLabelId))
          features.push_back(feature);
      }
    }
    else if (pChild->ValueStr() == LAYOUT_XML_ELM_TOPOLOGY)
    {
      // Topology
      CControllerTopology topology;
      if (topology.Deserialize(pChild))
        *m_topology = std::move(topology);
    }
    else
    {
      CLog::Log(LOGDEBUG, "Ignoring <%s> tag", pChild->ValueStr().c_str());
    }
  }
}
