#include "algorithm_service.hpp"

#include <spdlog/spdlog.h>

#include <chrono>

AlgorithmService::AlgorithmService() {}
AlgorithmService::~AlgorithmService() {}

absl::Status AlgorithmService::Init() {
	spdlog::info("Initializing Algorithm Model...");
	// TODO: 在这里加载你的 AI 模型 (如 TensorRT, OpenVINO 等)
	// 模拟加载耗时
	// std::this_thread::sleep_for(std::chrono::seconds(1));
	return absl::OkStatus();
}

absl::Status AlgorithmService::Process(cv::Mat& frame) {
	if (frame.empty())
		return absl::InvalidArgumentError("Empty frame");

	// --- 算法处理区域 START ---

	// 1. 模拟：绘制时间戳
	auto now = std::chrono::system_clock::now();
	std::time_t now_c = std::chrono::system_clock::to_time_t(now);
	std::string timeStr = std::ctime(&now_c);
	if (!timeStr.empty())
		timeStr.pop_back();	 // 去掉换行符

	cv::putText(frame, "Live: " + timeStr, cv::Point(30, 50), cv::FONT_HERSHEY_SIMPLEX, 1.0,
				cv::Scalar(0, 255, 0), 2);

	// 2. 模拟：绘制检测框 (假设检测到了物体)
	int centerX = frame.cols / 2;
	int centerY = frame.rows / 2;
	cv::rectangle(frame, cv::Rect(centerX - 100, centerY - 100, 200, 200), cv::Scalar(0, 0, 255),
				  3);
	cv::putText(frame, "Detected Object", cv::Point(centerX - 100, centerY - 110),
				cv::FONT_HERSHEY_SIMPLEX, 0.8, cv::Scalar(0, 0, 255), 2);

	// --- 算法处理区域 END ---

	return absl::OkStatus();
}