// Copyright 2023 The MediaPipe Authors.
//
// 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 "mediapipe/tasks/cc/core/proto/acceleration.pb.h"
#include "mediapipe/tasks/cc/core/proto/external_file.pb.h"
#import "mediapipe/tasks/ios/core/utils/sources/MPPBaseOptions+Helpers.h"

namespace {
using BaseOptionsProto = ::mediapipe::tasks::core::proto::BaseOptions;
}

@implementation MPPBaseOptions (Helpers)

- (void)copyToProto:(BaseOptionsProto *)baseOptionsProto {
  baseOptionsProto->Clear();

  if (self.modelAssetPath) {
    baseOptionsProto->mutable_model_asset()->set_file_name(self.modelAssetPath.UTF8String);
  }

  switch (self.delegate) {
    case MPPDelegateCPU: {
      baseOptionsProto->mutable_acceleration()->mutable_tflite();
      break;
    }
    case MPPDelegateGPU: {
      // TODO: Provide an implementation for GPU Delegate.
      [NSException raise:@"Invalid value for delegate" format:@"GPU Delegate is not implemented."];
      break;
    }
    default:
      break;
  }
}

@end
