#pragma once

#include <string>
#include <vector>

struct Point {
    float x = 0.0f;
    float y = 0.0f;
};

struct Face {
    float score = 0.0f;

    float x1 = 0.0f;
    float y1 = 0.0f;
    float x2 = 0.0f;
    float y2 = 0.0f;

    Point kps[5]{};

    // SFace: embedding L2-normalizzato da 128 float32.
    std::vector<float> embedding;
};

class FaceEngine {
public:
    FaceEngine();
    ~FaceEngine();

    FaceEngine(const FaceEngine&) = delete;
    FaceEngine& operator=(const FaceEngine&) = delete;

    bool init(
        const std::string& scrfd_model,
        const std::string& sface_model);

    bool process_image(
        const std::string& image_path,
        std::vector<Face>& faces,
        int& image_width,
        int& image_height);

private:
    struct Impl;
    Impl* impl_;
};