// sherpa-onnx/csrc/offline-model-config.h
//
// Copyright (c)  2023  Xiaomi Corporation
#ifndef SHERPA_ONNX_CSRC_OFFLINE_MODEL_CONFIG_H_
#define SHERPA_ONNX_CSRC_OFFLINE_MODEL_CONFIG_H_

#include <string>

#include "sherpa-onnx/csrc/offline-nemo-enc-dec-ctc-model-config.h"
#include "sherpa-onnx/csrc/offline-paraformer-model-config.h"
#include "sherpa-onnx/csrc/offline-tdnn-model-config.h"
#include "sherpa-onnx/csrc/offline-transducer-model-config.h"
#include "sherpa-onnx/csrc/offline-whisper-model-config.h"
#include "sherpa-onnx/csrc/offline-zipformer-ctc-model-config.h"

namespace sherpa_onnx {

struct OfflineModelConfig {
  OfflineTransducerModelConfig transducer;
  OfflineParaformerModelConfig paraformer;
  OfflineNemoEncDecCtcModelConfig nemo_ctc;
  OfflineWhisperModelConfig whisper;
  OfflineTdnnModelConfig tdnn;
  OfflineZipformerCtcModelConfig zipformer_ctc;

  std::string tokens;
  int32_t num_threads = 2;
  bool debug = false;
  std::string provider = "cpu";

  // With the help of this field, we only need to load the model once
  // instead of twice; and therefore it reduces initialization time.
  //
  // Valid values:
  //  - transducer. The given model is from icefall
  //  - paraformer. It is a paraformer model
  //  - nemo_ctc. It is a NeMo CTC model.
  //
  // All other values are invalid and lead to loading the model twice.
  std::string model_type;

  OfflineModelConfig() = default;
  OfflineModelConfig(const OfflineTransducerModelConfig &transducer,
                     const OfflineParaformerModelConfig &paraformer,
                     const OfflineNemoEncDecCtcModelConfig &nemo_ctc,
                     const OfflineWhisperModelConfig &whisper,
                     const OfflineTdnnModelConfig &tdnn,
                     const OfflineZipformerCtcModelConfig &zipformer_ctc,
                     const std::string &tokens, int32_t num_threads, bool debug,
                     const std::string &provider, const std::string &model_type)
      : transducer(transducer),
        paraformer(paraformer),
        nemo_ctc(nemo_ctc),
        whisper(whisper),
        tdnn(tdnn),
        zipformer_ctc(zipformer_ctc),
        tokens(tokens),
        num_threads(num_threads),
        debug(debug),
        provider(provider),
        model_type(model_type) {}

  void Register(ParseOptions *po);
  bool Validate() const;

  std::string ToString() const;
};

}  // namespace sherpa_onnx

#endif  // SHERPA_ONNX_CSRC_OFFLINE_MODEL_CONFIG_H_