// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "device/vr/oculus/oculus_device_provider.h"

#include "device/gamepad/gamepad_data_fetcher_manager.h"
#include "device/vr/oculus/oculus_device.h"
#include "device/vr/oculus/oculus_gamepad_data_fetcher.h"
#include "third_party/libovr/src/Include/OVR_CAPI.h"

namespace device {

OculusVRDeviceProvider::OculusVRDeviceProvider() : initialized_(false) {}

OculusVRDeviceProvider::~OculusVRDeviceProvider() {
}

void OculusVRDeviceProvider::Initialize(
    base::RepeatingCallback<void(unsigned int,
                                 mojom::VRDisplayInfoPtr,
                                 mojom::XRRuntimePtr)> add_device_callback,
    base::RepeatingCallback<void(unsigned int)> remove_device_callback,
    base::OnceClosure initialization_complete) {
  CreateDevice();
  if (device_)
    add_device_callback.Run(device_->GetId(), device_->GetVRDisplayInfo(),
                            device_->BindXRRuntimePtr());
  initialized_ = true;
  std::move(initialization_complete).Run();
}

void OculusVRDeviceProvider::CreateDevice() {
  // TODO(billorr): Check for headset presence without starting runtime.
  device_ = std::make_unique<OculusDevice>();

  // If the device failed to inialize, don't return it.
  if (!device_->IsInitialized()) {
    device_ = nullptr;
  }
}

bool OculusVRDeviceProvider::Initialized() {
  return initialized_;
}

}  // namespace device