#pragma once

#include <algorithm>
#include <cmath>
#include <cstdint>
#include <iomanip>
#include <sstream>
#include <string>

#include "face/face_result.h"
#include "utils/simple_json.h"

namespace rk3588 {

struct FaceRecogDebugConfig {
    bool enabled = false;
    bool log_matches = false;
    int min_log_interval_ms = 2000;
};

inline FaceRecogDebugConfig ParseFaceRecogDebugConfig(
    const SimpleJson& cfg, const FaceRecogDebugConfig& base = {}) {
    FaceRecogDebugConfig out = base;
    const SimpleJson* debug = cfg.Find("debug");
    if (!debug || !debug->IsObject()) return out;

    out.enabled = debug->ValueOr<bool>("enabled", out.enabled);
    out.log_matches = debug->ValueOr<bool>("log_matches", out.log_matches);
    out.min_log_interval_ms = std::max(0, debug->ValueOr<int>("min_log_interval_ms", out.min_log_interval_ms));
    return out;
}

inline std::string BuildFaceRecogDebugSummaryLine(
    const std::string& node_id, uint64_t frame_id, const FaceRecogItem& item) {
    const float sim_margin = item.best_sim - item.second_sim;
    const std::string candidate = item.candidate_name.empty() ? "n/a" : item.candidate_name;
    const std::string status = item.unknown ? "unknown" : "known";

    std::ostringstream oss;
    oss << "[ai_face_recog] match"
        << " id=" << node_id
        << " frame=" << frame_id
        << " status=" << status
        << " candidate=" << candidate
        << " candidate_id=" << item.candidate_person_id
        << " best_sim=" << std::fixed << std::setprecision(2) << item.best_sim
        << " second_sim=" << std::fixed << std::setprecision(2) << item.second_sim
        << " sim_margin=" << std::fixed << std::setprecision(2) << sim_margin
        << " bbox=(" << static_cast<int>(std::lround(item.bbox.x))
        << "," << static_cast<int>(std::lround(item.bbox.y))
        << "," << static_cast<int>(std::lround(item.bbox.w))
        << "," << static_cast<int>(std::lround(item.bbox.h))
        << ")";
    return oss.str();
}

}  // namespace rk3588