#include "VrConfig.h"
#include <iostream>
#include <vector>
#include <string>

#include "VrLog.h"

using namespace tinyxml2;

CVrConfig::CVrConfig() : m_pNotify(nullptr)
{
    // 构造函数
}

CVrConfig::~CVrConfig()
{
    // 析构函数
}

int CVrConfig::LoadConfig(const std::string& filePath, ConfigResult& configResult)
{
    // 使用tinyxml2库加载XML文件
    XMLDocument doc;
    XMLError err = doc.LoadFile(filePath.c_str());
    if (err != XML_SUCCESS)
    {
        LOG_ERR("Failed to open config file: %s\n", filePath.c_str());
        return LOAD_CONFIG_FILE_NOT_FOUND;
    }

    // 获取根元素
    XMLElement* root = doc.RootElement();
    if (!root || std::string(root->Name()) != "BagThreadPositionConfig")
    {
        LOG_ERR("Config file format error: root element is not BagThreadPositionConfig\n");
        return LOAD_CONFIG_INVALID_FORMAT;
    }

    // 1. 解析相机设备列表
    XMLElement* camerasElement = root->FirstChildElement("Cameras");
    if (camerasElement)
    {
        configResult.cameraList.clear();
        XMLElement* cameraElement = camerasElement->FirstChildElement("Camera");
        while (cameraElement)
        {
            DeviceInfo camera;
            if (cameraElement->Attribute("name"))
                camera.name = cameraElement->Attribute("name");
            if (cameraElement->Attribute("ip"))
                camera.ip = cameraElement->Attribute("ip");
            cameraElement->QueryIntAttribute("index", &camera.index);

            configResult.cameraList.push_back(camera);
            LOG_INFO("Camera: name=%s, ip=%s, index=%d\n",
                     camera.name.c_str(), camera.ip.c_str(), camera.index);

            cameraElement = cameraElement->NextSiblingElement("Camera");
        }
    }

    // 2. 解析调试参数
    XMLElement* debugElement = root->FirstChildElement("Debug");
    if (debugElement)
    {
        debugElement->QueryBoolAttribute("enableDebug", &configResult.debugParam.enableDebug);
        debugElement->QueryBoolAttribute("saveDebugImage", &configResult.debugParam.saveDebugImage);
        debugElement->QueryBoolAttribute("savePointCloud", &configResult.debugParam.savePointCloud);
        debugElement->QueryBoolAttribute("printDetailLog", &configResult.debugParam.printDetailLog);

        if (debugElement->Attribute("debugOutputPath"))
            configResult.debugParam.debugOutputPath = debugElement->Attribute("debugOutputPath");

        LOG_INFO("Debug config: enableDebug=%d, saveDebugImage=%d, savePointCloud=%d, debugOutputPath=%s\n",
                 configResult.debugParam.enableDebug,
                 configResult.debugParam.saveDebugImage,
                 configResult.debugParam.savePointCloud,
                 configResult.debugParam.debugOutputPath.c_str());
    }

    // 3. 解析串口配置
    XMLElement* serialElement = root->FirstChildElement("Serial");
    if (serialElement)
    {
        if (serialElement->Attribute("portName"))
            configResult.serialConfig.portName = serialElement->Attribute("portName");

        serialElement->QueryIntAttribute("baudRate", &configResult.serialConfig.baudRate);
        serialElement->QueryIntAttribute("dataBits", &configResult.serialConfig.dataBits);
        serialElement->QueryIntAttribute("stopBits", &configResult.serialConfig.stopBits);
        serialElement->QueryIntAttribute("parity", &configResult.serialConfig.parity);
        serialElement->QueryIntAttribute("flowControl", &configResult.serialConfig.flowControl);
        serialElement->QueryBoolAttribute("enabled", &configResult.serialConfig.enabled);

        LOG_INFO("Serial config: port=%s, baudRate=%d, enabled=%d\n",
                 configResult.serialConfig.portName.c_str(),
                 configResult.serialConfig.baudRate,
                 configResult.serialConfig.enabled);
    }

    // 4. 解析TCP端口
    XMLElement* tcpElement = root->FirstChildElement("TCP");
    if (tcpElement)
    {
        int port = 5020;
        tcpElement->QueryIntAttribute("port", &port);
        configResult.tcpPort = static_cast<uint16_t>(port);
        LOG_INFO("TCP port: %d\n", configResult.tcpPort);
    }

    LOG_INFO("Config loaded successfully from: %s\n", filePath.c_str());
    return LOAD_CONFIG_SUCCESS;
}

bool CVrConfig::SaveConfig(const std::string& filePath, ConfigResult& configResult)
{
    XMLDocument doc;

    // 创建 XML 声明
    XMLDeclaration* declaration = doc.NewDeclaration();
    doc.InsertFirstChild(declaration);

    // 创建根元素
    XMLElement* root = doc.NewElement("BagThreadPositionConfig");
    doc.InsertEndChild(root);

    // 1. 保存相机设备列表
    if (!configResult.cameraList.empty())
    {
        XMLElement* camerasElement = doc.NewElement("Cameras");
        for (const auto& camera : configResult.cameraList)
        {
            XMLElement* cameraElement = doc.NewElement("Camera");
            cameraElement->SetAttribute("name", camera.name.c_str());
            cameraElement->SetAttribute("ip", camera.ip.c_str());
            cameraElement->SetAttribute("index", camera.index);
            camerasElement->InsertEndChild(cameraElement);
        }
        root->InsertEndChild(camerasElement);
    }

    // 2. 保存调试参数
    XMLElement* debugElement = doc.NewElement("Debug");
    debugElement->SetAttribute("enableDebug", configResult.debugParam.enableDebug);
    debugElement->SetAttribute("saveDebugImage", configResult.debugParam.saveDebugImage);
    debugElement->SetAttribute("savePointCloud", configResult.debugParam.savePointCloud);
    debugElement->SetAttribute("printDetailLog", configResult.debugParam.printDetailLog);
    debugElement->SetAttribute("debugOutputPath", configResult.debugParam.debugOutputPath.c_str());
    root->InsertEndChild(debugElement);

    // 3. 保存串口配置
    XMLElement* serialElement = doc.NewElement("Serial");
    serialElement->SetAttribute("portName", configResult.serialConfig.portName.c_str());
    serialElement->SetAttribute("baudRate", configResult.serialConfig.baudRate);
    serialElement->SetAttribute("dataBits", configResult.serialConfig.dataBits);
    serialElement->SetAttribute("stopBits", configResult.serialConfig.stopBits);
    serialElement->SetAttribute("parity", configResult.serialConfig.parity);
    serialElement->SetAttribute("flowControl", configResult.serialConfig.flowControl);
    serialElement->SetAttribute("enabled", configResult.serialConfig.enabled);
    root->InsertEndChild(serialElement);

    // 4. 保存TCP端口
    XMLElement* tcpElement = doc.NewElement("TCP");
    tcpElement->SetAttribute("port", configResult.tcpPort);
    root->InsertEndChild(tcpElement);

    // 保存到文件
    XMLError err = doc.SaveFile(filePath.c_str());
    if (err != XML_SUCCESS)
    {
        LOG_ERR("Failed to save config file: %s\n", filePath.c_str());
        return false;
    }

    LOG_INFO("Config saved successfully to: %s\n", filePath.c_str());
    return true;
}

// 设置配置改变通知回调
void CVrConfig::SetConfigChangeNotify(IVrConfigChangeNotify* notify)
{
    m_pNotify = notify;
}


/**
 * @brief 创建实例
 * @return 实例
 */
bool IVrConfig::CreateInstance(IVrConfig** ppVrConfig)
{
    *ppVrConfig = new CVrConfig()   ;
    return *ppVrConfig != nullptr;
}