#include "dialognetconfig.h"
#include "ui_dialognetconfig.h"
#include "IVrBeltTearingConfig.h"
#include "PathManager.h"
#include <QRegExp>
#include <QTextCodec>
#include "widgets/StyledMessageBox.h"
#include <QShowEvent>

DialogNetConfig::DialogNetConfig(QWidget *parent)
    : QDialog(parent)
    , ui(new Ui::DialogNetConfig)
    , m_config(nullptr)
{
    // 设置窗口标志，隐藏标题栏并使窗口成为模态对话框
    setWindowFlags(Qt::FramelessWindowHint | Qt::Dialog);
    setModal(true);

    ui->setupUi(this);
    
    // 创建配置实例
    IVrBeltTearingConfig::CreateInstance(&m_config);
    
    // 连接信号和槽
    connect(ui->btn_camer_ok, &QPushButton::clicked, this, &DialogNetConfig::onSaveConfig);
    connect(ui->btn_camer_cancel, &QPushButton::clicked, this, &DialogNetConfig::onCancel);
    connect(ui->pushButton_2, &QPushButton::clicked, this, &DialogNetConfig::onRemoveServer);
    
    // 加载配置
    loadConfig();
}

void DialogNetConfig::showEvent(QShowEvent *event)
{
    // 调用基类的showEvent
    QDialog::showEvent(event);
    
    // 每次显示时重新加载配置
    loadConfig();
}

DialogNetConfig::~DialogNetConfig()
{
    if (m_config) {
        delete m_config;
        m_config = nullptr;
    }
    delete ui;
}

void DialogNetConfig::loadConfig()
{
    if (!m_config) {
        return;
    }
    
    QString configPath = PathManager::GetConfigFilePath();
    BeltTearingConfigResult configResult = m_config->LoadConfig(configPath.toStdString());
    
    // 清空组合框
    ui->combo_server->clear();
    
    // 添加服务器到组合框，并将索引作为用户数据存储
    for (size_t i = 0; i < configResult.servers.size(); ++i) {
        const auto& server = configResult.servers[i];
        ui->combo_server->addItem(QString::fromStdString(server.name), static_cast<int>(i));
    }
    
    // 添加"新增"选项
    ui->combo_server->addItem("新增", -1);
    
    // 如果有服务器，选择第一个并加载其配置
    if (!configResult.servers.empty()) {
        ui->combo_server->setCurrentIndex(0);
        const ServerInfo& server = configResult.servers[0];
        ui->lineEdit_name->setText(QString::fromStdString(server.name));
        ui->lineEdit_ip->setText(QString::fromStdString(server.ip));
        ui->lineEdit_port->setText(QString::number(server.port));
    }
    
    // 连接组合框的信号和槽
    connect(ui->combo_server, &QComboBox::currentTextChanged, this, &DialogNetConfig::onServerSelectionChanged);
}

void DialogNetConfig::onServerSelectionChanged(const QString& text)
{
    if (!m_config) {
        return;
    }
    
    // 如果选择的是"新增"，则清空输入框
    if (text == "新增") {
        ui->lineEdit_name->clear();        
        ui->lineEdit_ip->clear();
        ui->lineEdit_port->clear();
        ui->lineEdit_name->setFocus();
        return;
    }
    
    QString configPath = PathManager::GetConfigFilePath();
    BeltTearingConfigResult configResult = m_config->LoadConfig(configPath.toStdString());
    
    // 获取当前选中项的索引
    int index = ui->combo_server->currentData().toInt();
    
    // 检查索引是否有效
    if (index >= 0 && index < static_cast<int>(configResult.servers.size())) {
        const ServerInfo& server = configResult.servers[index];
        ui->lineEdit_name->setText(QString::fromStdString(server.name));
        ui->lineEdit_ip->setText(QString::fromStdString(server.ip));
        ui->lineEdit_port->setText(QString::number(server.port));
    }
}

void DialogNetConfig::onSaveConfig()
{
    if (!m_config) {
        return;
    }
    
    QString configPath = PathManager::GetConfigFilePath();
    BeltTearingConfigResult configResult = m_config->LoadConfig(configPath.toStdString());
    
    // 获取当前输入的服务器信息
    QString inputName = ui->lineEdit_name->text();
    QString inputIp = ui->lineEdit_ip->text();
    int inputPort = ui->lineEdit_port->text().toInt();

    // 检查输入的名称是否为空
    if (inputName.isEmpty()) {
        StyledMessageBox::warning(this, "警告", "服务器名称不能为空");
        return;
    }

    // 检查IP地址是否为空
    if (inputIp.isEmpty()) {
        StyledMessageBox::warning(this, "警告", "服务器IP地址不能为空");
        return;
    }

    // 检查IP地址格式是否正确
    QRegExp ipRegex("^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$");
    if (!ipRegex.exactMatch(inputIp)) {
        StyledMessageBox::warning(this, "警告", "服务器IP地址格式不正确");
        return;
    }

    // 检查端口是否为空或无效
    if (ui->lineEdit_port->text().isEmpty() || inputPort <= 0 || inputPort > 65535) {
        StyledMessageBox::warning(this, "警告", "端口号必须在1-65535之间");
        return;
    }

    // 获取当前选中的服务器名称
    QString selectedName = ui->combo_server->currentText();

    // 如果当前没有选中服务器或选中的服务器名称与输入的名称不同，则添加新服务器
    if (selectedName.isEmpty() || selectedName == "新增") {
        ServerInfo newServer;
        newServer.name = inputName.toStdString();
        newServer.ip = inputIp.toStdString();
        newServer.port = inputPort;
        configResult.servers.push_back(newServer);
    } else {
        // 更新当前选中的服务器配置
        for (auto& server : configResult.servers) {
            QString serverName = QString::fromStdString(server.name);
            if (serverName == selectedName) {
                server.name = inputName.toStdString();
                server.ip = inputIp.toStdString();
                server.port = inputPort;
                break;
            }
        }
    }
    
    // 保存配置
    bool success = m_config->SaveConfig(configPath.toStdString(), configResult);
    if (success) {
        StyledMessageBox::information(this, "提示", "配置保存成功");
        
        // 通知主窗口重新初始化
        emit configSaved();
        
        // 关闭对话框
        this->accept();
    } else {
        StyledMessageBox::critical(this, "错误", "配置保存失败");
    }
}

void DialogNetConfig::onCancel()
{
    // 通知主窗口重新初始化
    emit configSaved();

    this->reject();
}


void DialogNetConfig::onRemoveServer()
{
    if (!m_config) {
        return;
    }
    
    QString selectedName = ui->combo_server->currentText();
    if (selectedName.isEmpty()) {
        StyledMessageBox::warning(this, "警告", "请选择要删除的服务器");
        return;
    }
    
    // 不能删除"新增"选项
    if (selectedName == "新增") {
        StyledMessageBox::warning(this, "警告", "不能删除\"新增\"选项");
        return;
    }
    
    QString configPath = PathManager::GetConfigFilePath();
    BeltTearingConfigResult configResult = m_config->LoadConfig(configPath.toStdString());
    
    // 获取当前选中项的索引
    int index = ui->combo_server->currentData().toInt();
    
    // 检查索引是否有效
    if (index >= 0 && index < static_cast<int>(configResult.servers.size())) {
        // 删除指定索引的服务器
        configResult.servers.erase(configResult.servers.begin() + index);
        
        // 保存配置
        bool success = m_config->SaveConfig(configPath.toStdString(), configResult);
        if (success) {
            StyledMessageBox::information(this, "提示", "服务器删除成功");
            
            // 重新加载配置
            loadConfig();
        } else {
            StyledMessageBox::critical(this, "错误", "服务器删除失败");
        }
    } else {
        StyledMessageBox::warning(this, "警告", "未找到要删除的服务器");
    }
}