#include "light_controller.hpp"

#include <iostream>

// 构造函数
LightController::LightController(std::string baseUrl, std::string token)
	: baseUrl(baseUrl), token(token) {
	// 可以在这里做全局初始化，或者在 main 中做
}

LightController::~LightController() {
	// 如果有需要释放的资源放在这里
}

// 静态回调函数实现
size_t LightController::WriteCallback(void* contents, size_t size, size_t nmemb, void* userp) {
	((std::string*)userp)->append((char*)contents, size * nmemb);
	return size * nmemb;
}

// 核心控制逻辑
bool LightController::ControlLight(std::string deviceId, std::string switchType) {
	CURL* curl;
	CURLcode res;
	std::string readBuffer;
	long httpCode = 0;
	bool success = false;

	curl = curl_easy_init();

	if (curl) {
		// 拼接完整 URL
		std::string url = this->baseUrl + "/hk_service/modbus/lightControl";

		// 设置 URL
		curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
		curl_easy_setopt(curl, CURLOPT_POST, 1L);

		// 构造 Headers
		struct curl_slist* headers = NULL;
		std::string tokenHeader = "token: " + this->token;
		headers = curl_slist_append(headers, tokenHeader.c_str());
		headers = curl_slist_append(headers, "Content-Type: application/x-www-form-urlencoded");
		curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);

		// 构造 Body: deviceId=351&type=0
		std::string postData = "deviceId=" + deviceId + "&type=" + switchType;
		curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData.c_str());

		// 设置超时 (5秒)
		curl_easy_setopt(curl, CURLOPT_TIMEOUT, 5L);

		// 设置响应接收
		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
		curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);

		// 执行请求
		res = curl_easy_perform(curl);

		if (res != CURLE_OK) {
			std::cerr << "[LightControl] 请求失败: " << curl_easy_strerror(res) << std::endl;
		} else {
			curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
			// 简单打印结果
			std::cout << "[LightControl] ID:" << deviceId
					  << " 动作:" << (switchType == "1" ? "开启" : "关闭")
					  << " -> 返回状态码: " << httpCode << std::endl;
			// std::cout << "响应内容: " << readBuffer << std::endl; // 调试时可打开

			if (httpCode == 200) {
				success = true;
			}
		}

		// 清理
		curl_slist_free_all(headers);
		curl_easy_cleanup(curl);
	}
	return success;
}