#ifndef SSCMA_CAMERA_H
#define SSCMA_CAMERA_H

#include <lvgl.h>
#include <thread>
#include <memory>

#include <freertos/FreeRTOS.h>
#include <freertos/queue.h>
#include <esp_io_expander_tca95xx_16bit.h>
#include <esp_jpeg_dec.h>
#include <mbedtls/base64.h>

#include "sscma_client.h"
#include "camera.h"

struct SscmaData {
    uint8_t* img;
    size_t len;
};
struct JpegData {
    uint8_t* buf;
    size_t len;
};

class SscmaCamera : public Camera {
private:
    lv_img_dsc_t preview_image_;
    std::string explain_url_;
    std::string explain_token_;
    sscma_client_io_handle_t sscma_client_io_handle_;
    sscma_client_handle_t sscma_client_handle_;
    QueueHandle_t sscma_data_queue_;
    JpegData jpeg_data_;
    jpeg_dec_handle_t *jpeg_dec_;
    jpeg_dec_io_t *jpeg_io_;
    jpeg_dec_header_info_t *jpeg_out_;
public:
    SscmaCamera(esp_io_expander_handle_t io_exp_handle);
    ~SscmaCamera();

    virtual void SetExplainUrl(const std::string& url, const std::string& token);
    virtual bool Capture();
    // 翻转控制函数
    virtual bool SetHMirror(bool enabled) override;
    virtual bool SetVFlip(bool enabled) override;
    virtual std::string Explain(const std::string& question);
};

#endif // ESP32_CAMERA_H