#ifndef AFE_WAKE_WORD_H
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#define AFE_WAKE_WORD_H
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#include <freertos/event_groups.h>
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#include <esp_afe_sr_models.h>
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#include <esp_mn_iface.h>
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#include <esp_nsn_models.h>
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#include <model_path.h>
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#include <deque>
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#include <string>
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#include <vector>
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#include <functional>
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#include <mutex>
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#include <condition_variable>
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#include "audio_codec.h"
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#include "wake_word.h"
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class AfeWakeWord : public WakeWord {
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public:
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AfeWakeWord();
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~AfeWakeWord();
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bool Initialize(AudioCodec* codec, srmodel_list_t* models_list);
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void Feed(const std::vector<int16_t>& data);
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void OnWakeWordDetected(std::function<void(const std::string& wake_word)> callback);
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void OnOfflineCommandDetected(std::function<void(const std::string& command)> callback);
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void Start();
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void Stop();
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void ReleaseRuntime() override;
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bool EnsureRuntime() override;
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void ClearWakeBuffers() override;
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void AbortWakeWordEncode() override;
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size_t GetFeedSize();
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void EncodeWakeWordData();
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bool GetWakeWordOpus(std::vector<uint8_t>& opus);
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const std::string& GetLastDetectedWakeWord() const { return last_detected_wake_word_; }
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private:
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srmodel_list_t *models_ = nullptr;
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const esp_afe_sr_iface_t* afe_iface_ = nullptr;
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esp_afe_sr_data_t* afe_data_ = nullptr;
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char* wakenet_model_ = NULL;
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char* multinet_model_ = NULL;
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esp_mn_iface_t* multinet_ = nullptr;
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model_iface_data_t* multinet_data_ = nullptr;
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std::vector<std::string> wake_words_;
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EventGroupHandle_t event_group_;
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std::function<void(const std::string& wake_word)> wake_word_detected_callback_;
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std::function<void(const std::string& command)> offline_command_detected_callback_;
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AudioCodec* codec_ = nullptr;
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std::string last_detected_wake_word_;
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std::vector<int16_t> input_buffer_;
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std::vector<int16_t> multinet_input_buffer_;
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std::mutex input_buffer_mutex_;
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TaskHandle_t wake_word_encode_task_ = nullptr;
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StaticTask_t* wake_word_encode_task_buffer_ = nullptr;
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StackType_t* wake_word_encode_task_stack_ = nullptr;
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TaskHandle_t detection_task_handle_ = nullptr;
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StaticTask_t* detection_task_buffer_ = nullptr;
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StackType_t* detection_task_stack_ = nullptr;
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std::deque<std::vector<int16_t>> wake_word_pcm_;
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std::deque<std::vector<uint8_t>> wake_word_opus_;
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std::mutex wake_word_mutex_;
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std::condition_variable wake_word_cv_;
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bool detection_task_started_ = false;
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bool CreateAfe();
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bool EnsureDetectionTask();
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void StoreWakeWordData(const int16_t* data, size_t size);
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void AudioDetectionTask();
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};
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#endif
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