// Copyright 2017 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.

namespace GoogleVR.HelloVR {
  using UnityEngine;
  using GoogleVR.Demos;

  public class HelloVRManager : MonoBehaviour {
    public GameObject m_launchVrHomeButton;
    public DemoInputManager m_demoInputManager;

    void Start() {
#if !UNITY_ANDROID || UNITY_EDITOR
      if (m_launchVrHomeButton == null) {
        return;
      }
      m_launchVrHomeButton.SetActive(false);
#else
      GvrDaydreamApi.CreateAsync((success) => {
        if (!success) {
          // Unexpected. See GvrDaydreamApi log messages for details.
          Debug.LogError("GvrDaydreamApi.CreateAsync() failed");
        }
      });
#endif  // !UNITY_ANDROID || UNITY_EDITOR
  }

#if UNITY_ANDROID && !UNITY_EDITOR
    void Update() {
      if (m_launchVrHomeButton == null || m_demoInputManager == null) {
        return;
      }
      m_launchVrHomeButton.SetActive(m_demoInputManager.IsCurrentlyDaydream());
    }
#endif  // UNITY_ANDROID && !UNITY_EDITOR

    public void LaunchVrHome() {
#if UNITY_ANDROID && !UNITY_EDITOR
      GvrDaydreamApi.LaunchVrHomeAsync((success) => {
        if (!success) {
          // Unexpected. See GvrDaydreamApi log messages for details.
          Debug.LogError("GvrDaydreamApi.LaunchVrHomeAsync() failed");
        }
      });
#endif  // UNITY_ANDROID && !UNITY_EDITOR
    }
  }
}