// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <iostream>
#include <memory>

#include "base/at_exit.h"
#include "base/command_line.h"
#include "base/debug/stack_trace.h"
#include "base/functional/callback_helpers.h"
#include "base/logging.h"
#include "base/logging/logging_settings.h"
#include "base/message_loop/message_pump_type.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_executor.h"
#include "base/task/thread_pool/thread_pool_instance.h"
#include "base/trace_event/trace_event.h"
#include "mojo/core/embedder/embedder.h"
#include "ui/events/ozone/layout/keyboard_layout_engine.h"
#include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
#include "ui/ozone/demo/skia/skia_renderer_factory.h"
#include "ui/ozone/demo/window_manager.h"
#include "ui/ozone/public/ozone_platform.h"

int main(int argc, char** argv) {
  base::CommandLine::Init(argc, argv);
  base::AtExitManager exit_manager;

  base::debug::EnableInProcessStackDumping();

  // Initialize logging so we can enable VLOG messages.
  logging::LoggingSettings settings;
  logging::InitLogging(settings);

  mojo::core::Init();

  // Build UI thread task executor. This is used by platform
  // implementations for event polling & running background tasks.
  base::SingleThreadTaskExecutor main_task_executor(base::MessagePumpType::UI);
  base::ThreadPoolInstance::CreateAndStartWithDefaultParams("SkiaDemo");

  ui::OzonePlatform::InitParams params;
  params.single_process = true;
  ui::OzonePlatform::InitializeForUI(params);
  ui::KeyboardLayoutEngineManager::GetKeyboardLayoutEngine()
      ->SetCurrentLayoutByName("us", base::DoNothing());

  auto shutdown_cb =
      base::BindOnce([] { LOG(FATAL) << "Failed to shutdown."; });

  ui::OzonePlatform::GetInstance()->PostCreateMainMessageLoop(
      std::move(shutdown_cb),
      base::SingleThreadTaskRunner::GetCurrentDefault());

  ui::OzonePlatform::InitializeForGPU(params);

  base::RunLoop run_loop;

  ui::WindowManager window_manager(std::make_unique<ui::SkiaRendererFactory>(),
                                   run_loop.QuitClosure());

  run_loop.Run();

  return 0;
}