/**
 * @file XNScenarioManager.cpp
 * @author	jinchao
 * @brief 运行环境描述管理器类源文件
 * @version	1.0
 * @date 2024-11-07
 *
 * @copyright Copyright (c) 2024 XN
 *
 */
#include "XNScenarioManager.h"
#include "XNScenarioManager_p.h"
#include "XNFramework.h"
#include "XNDDSManager.h"
#include "XNThreadManager.h"
#include "XNModelManager.h"
#include "XNServiceManager.h"
#include <fstream>
#include <streambuf>
#include <cerrno>
#include <tinyxml2.h>

// 默认构造函数
XNScenarioManager::XNScenarioManager() : XNBaseFrameObject(new XNScenarioManagerPrivate())
{
	SetUniqueId(5);
	SetObjectName("XNScenarioManager");
}

XNScenarioManager::~XNScenarioManager()
{
}

XNScenarioManager::XNScenarioManager(PrivateType *p) : XNBaseFrameObject(p)
{
}

// 获取运行环境名称
const std::string &XNScenarioManager::GetSimName()
{
	T_D();
	return d->_ScenarioName;
}

// 设置运行环境名称
void XNScenarioManager::SetSimName(const std::string &simName)
{
	T_D();
	d->_ScenarioName = simName;
}

// 初始化
bool XNScenarioManager::Initialize()
{
	T_D();
	LOG_INFO("XNScenarioManager Initialize Success!");
	d->_status = XNFrameObjectStatus::Initialized;
	return true;
}

bool XNScenarioManager::PrepareForExecute()
{
	T_D();
	d->_status = XNFrameObjectStatus::Ready;
	LOG_INFO("XNScenarioManager is prepared!");
	return true;
}

// 辅助函数：分割字符串
std::vector<std::string> split(const std::string &str, const std::string &delim)
{
	std::vector<std::string> tokens;
	size_t prev = 0, pos = 0;
	do {
		pos = str.find(delim, prev);
		if (pos == std::string::npos)
			pos = str.length();
		std::string token = str.substr(prev, pos - prev);
		if (!token.empty())
			tokens.push_back(token);
		prev = pos + delim.length();
	} while (pos < str.length() && prev < str.length());
	return tokens;
}

// 辅助函数：获取文件名（不含扩展名）
std::string getFileNameWithoutExt(const std::string &path)
{
	size_t lastDot = path.find_last_of('.');
	if (lastDot != std::string::npos) {
		return path.substr(0, lastDot);
	}
	return path;
}

// 运行环境配置文件解析
bool XNScenarioManager::AnalysisScenarioXml(const std::string &XmlPath, uint32_t initialType)
{
	T_D();
	std::ifstream file(XmlPath);
	if (!file.is_open()) {
		LOG_ERROR("0x2100 打开运行环境描述文件: %1出错，错误信息： %2", XmlPath, strerror(errno));
		return false;
	}
	tinyxml2::XMLDocument doc;
	if (doc.LoadFile(XmlPath.c_str()) != tinyxml2::XML_SUCCESS) {
		LOG_ERROR("0x2100 解析XML文件: %1 失败", XmlPath);
		file.close();
		return false;
	}
	tinyxml2::XMLElement *root = doc.FirstChildElement("Scenario");
	// 读取环境信息
	tinyxml2::XMLElement *envInfo = root->FirstChildElement("Environment");
	std::string OSName			  = envInfo->Attribute("OSName");
	std::string version			  = envInfo->Attribute("Version");
	std::string kernel			  = envInfo->Attribute("RTXVersion");
	// 设置工作目录
	std::string rootPath = envInfo->Attribute("WorkPath");
	GetFramework()->SetWorkPath(rootPath);
	// 设置模型库目录
	std::string modelPath = rootPath + envInfo->Attribute("ModelsPath");
	GetFramework()->SetModelPath(modelPath);
	// 设置服务库目录
	std::string servicePath = rootPath + envInfo->Attribute("ServicesPath");
	GetFramework()->SetServicePath(servicePath);
	// 设置域ID
	uint32_t domainID = std::stoul(envInfo->Attribute("DomainID"));
	GetFramework()->GetDDSManager()->SetDomainID(domainID);
	// 读取CPU亲和性
	std::string cpuAff					= envInfo->Attribute("CPUAffinity");
	std::vector<std::string> cpuAffList = split(cpuAff, ",");

	//读取服务列表
	tinyxml2::XMLElement *serviceList = root->FirstChildElement("ServicesList");
	if (serviceList) {
		tinyxml2::XMLElement *service = serviceList->FirstChildElement("Service");
		while (service) {
			std::string serviceName	   = service->Attribute("Name");
			std::string libName		   = service->Attribute("ClassName");
			libName					   = getFileNameWithoutExt(libName);
			std::string dynamicLibName = servicePath + "lib" + libName + ".so";
			// 加载动态库
			GetFramework()->GetServiceManager()->LoadService(dynamicLibName, libName, 0);
			service = service->NextSiblingElement("Service");
		}
	}

	// 读取模型分组
	tinyxml2::XMLElement *modelGroup = root->FirstChildElement("ModelGroup");
	while (modelGroup) {
		// 读取模型分组名称
		std::string modelGroupName = modelGroup->Attribute("Name");
		// 读取模型分组频率
		double modelGroupFreq = std::stod(modelGroup->Attribute("Freq"));
		// 读取模型分组优先级
		int modelGroupPriority = std::stoi(modelGroup->Attribute("Priority"));
		if (modelGroupPriority > 99 || modelGroupPriority < 0) {
			LOG_ERROR("0x2100 模型分组优先级设置错误，优先级值：%d", modelGroupPriority);
			return false;
		}
		// 读取模型分组CPU亲和性
		std::string modelGroupCPUAff				  = modelGroup->Attribute("CPUAff");
		std::vector<std::string> modelGroupCPUAffList = split(modelGroupCPUAff, ",");

		// 验证CPU亲和性
		for (const auto &cpu : modelGroupCPUAffList) {
			if (std::find(cpuAffList.begin(), cpuAffList.end(), cpu) == cpuAffList.end()) {
				LOG_ERROR("0x2100 模型分组CPU亲和性设置错误，CPU亲和性值：%s,进程CPU亲和性值：%s",
						  cpu.c_str(), cpuAff.c_str());
				return false;
			}
		}

		int ThreadCpuAffinity = 0;
		for (const auto &cpu : modelGroupCPUAffList) {
			auto it = std::find(cpuAffList.begin(), cpuAffList.end(), cpu);
			if (it != cpuAffList.end()) {
				ThreadCpuAffinity |= 1 << std::distance(cpuAffList.begin(), it);
			}
		}

		// 添加线程池
		uint32_t threadID = GetFramework()->GetThreadManager()->AddThreadPool(
			modelGroupName, modelGroupFreq, modelGroupPriority, ThreadCpuAffinity);

		// 读取模型列表
		tinyxml2::XMLElement *model = modelGroup->FirstChildElement("Model");
		while (model) {
			std::string modelName	   = model->Attribute("Name");
			std::string libName		   = model->Attribute("ClassName");
			libName					   = getFileNameWithoutExt(libName);
			std::string dynamicLibName = modelPath + "lib" + libName + ".so";
			// 加载动态库
			GetFramework()->GetModelManager()->LoadModel(dynamicLibName, libName, 0, threadID);
			model = model->NextSiblingElement("Model");
		}

		modelGroup = modelGroup->NextSiblingElement("ModelGroup");
	}

	return true;
}