/*
 * Copyright 2012 Google Inc. All Rights Reserved.
 *
 * 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.
 */

#include "cobalt/deprecated/platform_delegate.h"

#include "base/file_path.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "cobalt/base/cobalt_paths.h"

namespace cobalt {
namespace deprecated {

namespace {

bool GetOrCreateDirectory(const std::string& directory) {
  return file_util::PathExists(FilePath(directory)) ||
         file_util::CreateDirectory(FilePath(directory));
}

bool PathProvider(int key, FilePath* result) {
  const PlatformDelegate* plat = PlatformDelegate::Get();
  if (!plat) {
    return false;
  }

  switch (key) {
    case paths::DIR_COBALT_DEBUG_OUT:
      if (GetOrCreateDirectory(plat->logging_output_path())) {
        *result = FilePath(plat->logging_output_path());
        return true;
      } else {
        DLOG(ERROR) << "Unable to get or create paths::DIR_COBALT_DEBUG_OUT: "
                    << plat->logging_output_path();
        return false;
      }

    case paths::DIR_COBALT_TEST_OUT:
      // TODO: Create a special directory for tests.
      if (GetOrCreateDirectory(plat->logging_output_path())) {
        *result = FilePath(plat->logging_output_path());
        return true;
      } else {
        DLOG(ERROR) << "Unable to get or create paths::DIR_COBALT_TEST_OUT: "
                    << plat->logging_output_path();
        return false;
      }

    case paths::DIR_COBALT_WEB_ROOT:
      *result = FilePath(plat->game_content_path()).Append("web");
      return true;

    default:
      return false;
  }

  NOTREACHED();
  return false;
}

}  // namespace

PlatformDelegate* PlatformDelegate::instance_;

void PlatformDelegate::Init() {
  DCHECK(!instance_);
  instance_ = PlatformDelegate::Create();
}

void PlatformDelegate::Teardown() {
  DCHECK(instance_);
  delete instance_;
  instance_ = NULL;
}

PlatformDelegate::PlatformDelegate() {
  // Register a path provider for Cobalt-specific paths.
  PathService::RegisterProvider(&PathProvider, paths::PATH_COBALT_START,
                                paths::PATH_COBALT_END);
}

std::string PlatformDelegate::GetSystemLanguage() { return "en-US"; }

bool PlatformDelegate::AreKeysReversed() const { return false; }

bool PlatformDelegate::IsUserLogRegistrationSupported() const { return false; }

bool PlatformDelegate::RegisterUserLog(int user_log_index, const char* label,
                                       const void* address, size_t size) const {
  return false;
}

bool PlatformDelegate::DeregisterUserLog(int user_log_index) const {
  return false;
}

void PlatformDelegate::SetVideoContainerSizeOverride(
    const std::string& video_container_size_override) {
  DLOG(INFO) << "Change VideoContainerSizeOverride from \""
             << video_container_size_override_ << "\" to \""
             << video_container_size_override << "\"";
  video_container_size_override_ = video_container_size_override;
}

PlatformDelegate::~PlatformDelegate() {}

}   // namespace deprecated
}   // namespace cobalt