// Copyright 2015 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.

#import "CardboardAppController.h"
#import "CardboardView.h"

extern "C" {

extern void readProfile();
extern void syncProfile();

extern UIViewController* createSettingsDialog(id app);
extern UIViewController* createOnboardingDialog(id app);

bool isOpenGLAPI() {
#if UNITY_VERSION < 463
  return true;
#else
  CardboardAppController* app = (CardboardAppController *)GetAppController();
  UnityRenderingAPI api = [app renderingAPI];
  return api == apiOpenGLES2 || api == apiOpenGLES3;
#endif
}

void launchSettingsDialog() {
  CardboardAppController* app = (CardboardAppController *)GetAppController();
  [app startSettingsDialog:createSettingsDialog(app)];
}

void launchOnboardingDialog() {
  CardboardAppController* app = (CardboardAppController *)GetAppController();
  [app startSettingsDialog:createOnboardingDialog(app)];
}

void endSettingsDialog() {
  CardboardAppController* app = (CardboardAppController *)GetAppController();
  [app stopSettingsDialog];
}

}  // extern "C"

@implementation CardboardAppController

- (void)preStartUnity {
  [super preStartUnity];
  syncProfile();
}

- (UnityView *)createUnityView {
  return [[CardboardView alloc] initFromMainScreen];
}

- (void)startSettingsDialog:(UIViewController*)dialog {
  [self pause:YES];
  [self.rootViewController presentViewController:dialog animated:NO completion:nil];
}

- (void)stopSettingsDialog {
  [[self rootViewController] dismissViewControllerAnimated:NO completion:nil];
  [self pause:NO];
}

- (void)pause:(bool)paused {
#if UNITY_VERSION < 462
  UnityPause(paused);
#else
  self.paused = paused;
#endif
}

@end

IMPL_APP_CONTROLLER_SUBCLASS(CardboardAppController)