#include "VrBeltTearingConfig.h"
#include "IVrBeltTearingConfig.h"
#include "tinyxml2.h"
#include <algorithm>
#include <sstream>
#include "VrLog.h"
#include <QFile>
#include <QTextStream>
#include <QString>

using namespace tinyxml2;

VrBeltTearingConfig::VrBeltTearingConfig()
    : m_notify(nullptr)
{
}

VrBeltTearingConfig::~VrBeltTearingConfig()
{
}

// Also add the static CreateInstance method to the interface class
bool IVrBeltTearingConfig::CreateInstance(IVrBeltTearingConfig** ppVrConfig)
{
    if (!ppVrConfig) {
        return false;
    }
    
    *ppVrConfig = new VrBeltTearingConfig();
    return true;
}

BeltTearingConfigResult VrBeltTearingConfig::LoadConfig(const std::string& filePath)
{
    BeltTearingConfigResult result;
    
    // 使用QString处理可能包含中文的路径
    QString qFilePath = QString::fromStdString(filePath);
    QFile file(qFilePath);
    
    // 检查文件是否存在并可读
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
        LOG_DEBUG("Failed to open file: %s\n", filePath.c_str());
        return result;
    }
    
    // 读取文件内容
    QTextStream in(&file);
    // 设置编码为UTF-8以正确处理中文
    in.setCodec("UTF-8");
    QString content = in.readAll();
    file.close();
    
    // 使用tinyxml2解析XML内容
    XMLDocument doc;
    XMLError error = doc.Parse(content.toUtf8().constData());
    if (error != XML_SUCCESS) {
        LOG_ERROR("tinyxml2 load file error : %d \n", error);
        return result;
    }
    
    XMLElement* root = doc.RootElement();
    if (!root) {
        return result;
    }
    
    // 加载服务器配置
    XMLElement* serversElem = root->FirstChildElement("Servers");
    if (serversElem) {
        XMLElement* serverElem = serversElem->FirstChildElement("Server");
        while (serverElem) {
            ServerInfo server;
            server.name = serverElem->Attribute("name") ? serverElem->Attribute("name") : "";
            server.ip = serverElem->Attribute("ip") ? serverElem->Attribute("ip") : "";
            server.port = serverElem->IntAttribute("port", 5000);
            
            result.servers.push_back(server);
            serverElem = serverElem->NextSiblingElement("Server");
        }
    }
    
    // 加载算法参数
    XMLElement* algoParamsElem = root->FirstChildElement("AlgorithmParams");
    if (algoParamsElem) {
        // 皮带撕裂参数
        XMLElement* beltTearingElem = algoParamsElem->FirstChildElement("BeltTearingParam");
        if (beltTearingElem) {
            result.algorithmParams.beltTearingParam.tearThreshold = 
                beltTearingElem->DoubleAttribute("TearThreshold", 50.0);
            result.algorithmParams.beltTearingParam.minTearLength = 
                beltTearingElem->DoubleAttribute("MinTearLength", 100.0);
            result.algorithmParams.beltTearingParam.maxTearWidth = 
                beltTearingElem->DoubleAttribute("MaxTearWidth", 30.0);
        }
        
        // 图像处理参数
        XMLElement* imageProcElem = algoParamsElem->FirstChildElement("ImageProcessingParam");
        if (imageProcElem) {
            result.algorithmParams.imageProcessingParam.blurSize = 
                imageProcElem->IntAttribute("BlurSize", 5);
            result.algorithmParams.imageProcessingParam.cannyThreshold1 = 
                imageProcElem->IntAttribute("CannyThreshold1", 50);
            result.algorithmParams.imageProcessingParam.cannyThreshold2 = 
                imageProcElem->IntAttribute("CannyThreshold2", 150);
            result.algorithmParams.imageProcessingParam.morphologySize = 
                imageProcElem->IntAttribute("MorphologySize", 3);
        }
        
        // 监控参数
        XMLElement* monitoringElem = algoParamsElem->FirstChildElement("MonitoringParam");
        if (monitoringElem) {
            result.algorithmParams.monitoringParam.checkInterval = 
                monitoringElem->IntAttribute("CheckInterval", 1000);
            result.algorithmParams.monitoringParam.alertThreshold = 
                monitoringElem->IntAttribute("AlertThreshold", 3);
            result.algorithmParams.monitoringParam.maxHistorySize = 
                monitoringElem->IntAttribute("MaxHistorySize", 100);
        }
    }
    
    // 加载调试参数
    XMLElement* debugElem = root->FirstChildElement("DebugParam");
    if (debugElem) {
        result.debugParam.enableDebug = debugElem->BoolAttribute("enableDebug", false);
        result.debugParam.saveDebugImage = debugElem->BoolAttribute("saveDebugImage", false);
        result.debugParam.printDetailLog = debugElem->BoolAttribute("printDetailLog", false);
        const char* debugPath = debugElem->Attribute("debugOutputPath");
        if (debugPath) {
            result.debugParam.debugOutputPath = debugPath;
        }
    }
    
    // 加载项目类型
    XMLElement* projectTypeElem = root->FirstChildElement("ProjectType");
    if (projectTypeElem) {
        const char* typeStr = projectTypeElem->Attribute("type");
        if (typeStr && std::string(typeStr) == "BeltMonitoring") {
            result.projectType = BeltTearingProjectType::BeltMonitoring;
        } else {
            result.projectType = BeltTearingProjectType::BeltTearing;
        }
    }
    
    return result;
}

bool VrBeltTearingConfig::SaveConfig(const std::string& filePath, BeltTearingConfigResult& configResult)
{
    XMLDocument doc;
    
    // 创建根元素
    XMLElement* root = doc.NewElement("BeltTearingConfig");
    doc.InsertEndChild(root);
    
    // 保存服务器配置
    if (!configResult.servers.empty()) {
        XMLElement* serversElem = doc.NewElement("Servers");
        root->InsertEndChild(serversElem);
        
        for (const auto& server : configResult.servers) {
            XMLElement* serverElem = doc.NewElement("Server");
            serverElem->SetAttribute("name", server.name.c_str());
            serverElem->SetAttribute("ip", server.ip.c_str());
            serverElem->SetAttribute("port", server.port);
            serversElem->InsertEndChild(serverElem);
        }
    }
    
    // 保存算法参数
    XMLElement* algoParamsElem = doc.NewElement("AlgorithmParams");
    root->InsertEndChild(algoParamsElem);
    
    // 皮带撕裂参数
    XMLElement* beltTearingElem = doc.NewElement("BeltTearingParam");
    beltTearingElem->SetAttribute("TearThreshold", configResult.algorithmParams.beltTearingParam.tearThreshold);
    beltTearingElem->SetAttribute("MinTearLength", configResult.algorithmParams.beltTearingParam.minTearLength);
    beltTearingElem->SetAttribute("MaxTearWidth", configResult.algorithmParams.beltTearingParam.maxTearWidth);
    algoParamsElem->InsertEndChild(beltTearingElem);
    
    // 图像处理参数
    XMLElement* imageProcElem = doc.NewElement("ImageProcessingParam");
    imageProcElem->SetAttribute("BlurSize", configResult.algorithmParams.imageProcessingParam.blurSize);
    imageProcElem->SetAttribute("CannyThreshold1", configResult.algorithmParams.imageProcessingParam.cannyThreshold1);
    imageProcElem->SetAttribute("CannyThreshold2", configResult.algorithmParams.imageProcessingParam.cannyThreshold2);
    imageProcElem->SetAttribute("MorphologySize", configResult.algorithmParams.imageProcessingParam.morphologySize);
    algoParamsElem->InsertEndChild(imageProcElem);
    
    // 监控参数
    XMLElement* monitoringElem = doc.NewElement("MonitoringParam");
    monitoringElem->SetAttribute("CheckInterval", configResult.algorithmParams.monitoringParam.checkInterval);
    monitoringElem->SetAttribute("AlertThreshold", configResult.algorithmParams.monitoringParam.alertThreshold);
    monitoringElem->SetAttribute("MaxHistorySize", configResult.algorithmParams.monitoringParam.maxHistorySize);
    algoParamsElem->InsertEndChild(monitoringElem);
    
    // 保存调试参数
    XMLElement* debugElem = doc.NewElement("DebugParam");
    debugElem->SetAttribute("enableDebug", configResult.debugParam.enableDebug);
    debugElem->SetAttribute("saveDebugImage", configResult.debugParam.saveDebugImage);
    debugElem->SetAttribute("printDetailLog", configResult.debugParam.printDetailLog);
    debugElem->SetAttribute("debugOutputPath", configResult.debugParam.debugOutputPath.c_str());
    root->InsertEndChild(debugElem);
    
    // 保存项目类型
    XMLElement* projectTypeElem = doc.NewElement("ProjectType");
    projectTypeElem->SetAttribute("type", 
        configResult.projectType == BeltTearingProjectType::BeltMonitoring ? "BeltMonitoring" : "BeltTearing");
    root->InsertEndChild(projectTypeElem);
    
    // 使用QString处理可能包含中文的路径
    QString qFilePath = QString::fromStdString(filePath);
    QFile file(qFilePath);
    
    // 打开文件进行写入
    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
        LOG_DEBUG("Failed to open file for writing: %s\n", filePath.c_str());
        return false;
    }
    
    // 将XML内容写入文件
    QTextStream out(&file);
    // 设置编码为UTF-8以正确处理中文
    out.setCodec("UTF-8");
    XMLPrinter printer;
    doc.Print(&printer);
    out << printer.CStr();
    file.close();
    
    return true;
}

void VrBeltTearingConfig::SetConfigChangeNotify(IVrBeltTearingConfigChangeNotify* notify)
{
    m_notify = notify;
}