#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "Version.h"
#include <QImage>
#include <QStringList>
#include <QDebug>
#include <QVBoxLayout>
#include <QMessageBox>
#include <QStatusBar>
#include <QLabel>
#include <QJsonArray>
#include <QJsonValue>
#include <QJsonObject>
#include <QJsonDocument>
#include <QDateTime>
#include <thread>

#include "IVrUtils.h"
#include "VrLog.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    // 设置窗口图标
    this->setWindowIcon(QIcon(":/common/resource/logo.png"));

    // 设置状态栏字体
    QFont statusFont = statusBar()->font();
    statusFont.setPointSize(12);
    statusBar()->setFont(statusFont);

    // 设置状态栏颜色和padding
    statusBar()->setStyleSheet("QStatusBar { color: rgb(239, 241, 245); padding: 20px; }");

    // 隐藏标题栏
    setWindowFlags(Qt::FramelessWindowHint);

    // 启动后自动最大化显示
    this->showMaximized();

    // 初始化时隐藏label_work
    ui->label_work->setVisible(false);
    ui->btn_start->setVisible(false);
    ui->btn_stop->setVisible(false);

    // 创建组合控件
    // m_gridWithTable = new ImageGridWithTableWidget();
    m_gridView = new ImageGridWidget();
    m_deviceStatusWidget = new DeviceStatusWidget();
    m_tearingDataTableWidget = new TearingDataTableWidget();
    
    // 将设备状态widget添加到frame_dev中
    QVBoxLayout* frameResultImageLayout = new QVBoxLayout(ui->detect_result);
    frameResultImageLayout->setContentsMargins(0, 0, 0, 0);
    frameResultImageLayout->addWidget(m_gridView);
    
    // 将TearingDataTableWidget添加到detect_data中
    QVBoxLayout* frameDataLayout = new QVBoxLayout(ui->detect_data);
    frameDataLayout->setContentsMargins(0, 0, 0, 0);
    frameDataLayout->addWidget(m_tearingDataTableWidget);

    QVBoxLayout* frameDevLayout = new QVBoxLayout(ui->device_status);
    frameDevLayout->setContentsMargins(0, 0, 0, 0);
    frameDevLayout->addWidget(m_deviceStatusWidget);

    // 初始化Presenter
    m_presenter = new BeltTearingPresenter();

    // 将设备状态控件与Presenter关联
    m_presenter->setStatusUpdate(this);

    // 连接服务器数据接收信号
    connect(m_presenter, &BeltTearingPresenter::serverDataReceived, this, &MainWindow::onServerDataReceived);

    // 连接配置更新信号
    connect(m_presenter, &BeltTearingPresenter::configUpdated, this, &MainWindow::onConfigSaved);

    // 连接设备点击信号到重新检测槽函数
    connect(m_deviceStatusWidget, &DeviceStatusWidget::deviceClicked, this, &MainWindow::onDeviceClicked);

    // 设置版本信息显示
    setupVersionDisplay();

    // 设置表格最大行数限制，防止内存占用过大
    if (m_tearingDataTableWidget) {
        m_tearingDataTableWidget->setMaximumRows(100);
    }

    m_presenter->Init();
}

MainWindow::~MainWindow()
{
    if(m_gridWithTable){
        delete m_gridWithTable;
        m_gridWithTable = nullptr;
    }
    
    if (m_deviceStatusWidget) {
        delete m_deviceStatusWidget;
        m_deviceStatusWidget = nullptr;
    }
    
    if (m_tearingDataTableWidget) {
        delete m_tearingDataTableWidget;
        m_tearingDataTableWidget = nullptr;
    }

    if (m_versionLabel) {
        delete m_versionLabel;
        m_versionLabel = nullptr;
    }

    if (m_dialogAlgoarg) {
        delete m_dialogAlgoarg;
        m_dialogAlgoarg = nullptr;
    }

    if (m_presenter) {
        delete m_presenter;
        m_presenter = nullptr;
    }

    delete ui;
}

void MainWindow::resizeEvent(QResizeEvent* event)
{
    QMainWindow::resizeEvent(event);
    
    // 获取窗口大小
    QSize size = event->size();
    int width = size.width(); 
    int height = size.height();
    
    // 调整title_group (groupBox) 宽度
    ui->title_group->setGeometry(0, 0, width, 120);
    
    // 调整btn_hide和btn_close位置
    ui->btn_hide->move(width - 158, 32);
    ui->btn_close->move(width - 79, 32);
    
    // 调整detect_result控件
    int detectResultWidth = width - 560 - 40 - 10;  // 为两侧控件留出空间
    int detectResultHeight = height - 160;  // 减去标题栏高度
    ui->detect_result->setGeometry(20, 140, detectResultWidth, detectResultHeight);
    
    // 调整detect_data控件
    int detectDataWidth = 560;  // 保持宽度不变
    int detectDataHeight = height - 140 - 160 - 10;  // 减去标题栏和底部控件高度
    ui->detect_data->setGeometry(20 + detectResultWidth + 10, 140, detectDataWidth, detectDataHeight);
    
    // 调整device_status控件
    int deviceStatusWidth = 560;  // 保持宽度不变
    int deviceStatusHeight = 140;  // 保持高度不变
    ui->device_status->setGeometry(20 + detectResultWidth + 10, height - 160, deviceStatusWidth, deviceStatusHeight);
}

void MainWindow::resizeToFitContent() {
    if (!m_gridWithTable || m_gridWithTable->columnCount() == 0) {
        return;
    }

    // 计算网格总宽度（列数 * 格子宽度 + 边距）
    int gridWidth = m_gridWithTable->columnCount() * m_gridWithTable->tileBaseSize().width() + 32;

    // 加上表格宽度
    int totalWidth = gridWidth + 260;

    // 计算总高度（行数 * 格子高度 + 边距）
    int totalHeight = m_gridWithTable->rowCount() * m_gridWithTable->tileBaseSize().height() + 32;

    // 设置窗口大小
    resize(totalWidth, totalHeight);
}

void MainWindow::on_btn_hide_clicked()
{
    // 最小化窗口
    this->showMinimized();
}

void MainWindow::on_btn_close_clicked()
{
    // 关闭应用程序
    this->close();
}

void MainWindow::on_btn_test_clicked()
{

}

void MainWindow::on_btn_camera_clicked()
{
    if(nullptr == ui_dialognetconfig){
        ui_dialognetconfig = new DialogNetConfig(this);

        // 连接信号
        connect(ui_dialognetconfig, &DialogNetConfig::configSaved, this, &MainWindow::onConfigSaved);
    }
    ui_dialognetconfig->show();
}

void MainWindow::on_btn_algo_config_clicked()
{
    if (!m_presenter) {
        QMessageBox::warning(this, "错误", "系统未初始化完成！");
        return;
    }

    auto serverInfos = m_presenter->getServerInfos();
    auto beltTearingConfig = m_presenter->getBeltTearingConfig();

    if (serverInfos.isEmpty() || !beltTearingConfig) {
        QMessageBox::warning(this, "错误", "无可用服务器或配置接口！");
        return;
    }

    if (!m_dialogAlgoarg) {
        m_dialogAlgoarg = new DialogAlgoarg(beltTearingConfig, serverInfos, this);

        // 连接参数变化信号
        connect(m_dialogAlgoarg, &DialogAlgoarg::parametersChanged, this, &MainWindow::onParametersChanged);

        // 连接服务器数据请求信号
        connect(m_dialogAlgoarg, &DialogAlgoarg::requestServerData, this, &MainWindow::onRequestServerData);
    }

    m_dialogAlgoarg->Init();
    m_dialogAlgoarg->show();
}

void MainWindow::onParametersChanged(const QString& serverName, const QByteArray& paramData)
{
    if (m_presenter) {
        m_presenter->sendParametersToServer(ByteDataType::WriteConfig, serverName, paramData);
    }
    
    // 添加空指针检查，防止在m_tearingDataTableWidget为nullptr时崩溃
    if (m_tearingDataTableWidget) {
        m_tearingDataTableWidget->clearData();
    }
}

void MainWindow::onRequestServerData(const QString& serverName)
{
    if (!m_presenter) {
        return;
    }

    // 通过Presenter发送请求到服务器
    bool success = m_presenter->sendParametersToServer(ByteDataType::ReadConfig, serverName, QByteArray());

    if (success) {
        statusBar()->showMessage("已向服务器 " + serverName + " 发送数据请求");
    } else {
        statusBar()->showMessage("向服务器 " + serverName + " 发送请求失败");
    }
}

void MainWindow::onServerDataReceived(const QString& serverName, const QJsonObject& data)
{
    // 如果算法参数对话框存在，将数据传递给它
    if (m_dialogAlgoarg) {
        m_dialogAlgoarg->onServerDataReceived(serverName, data);
    }

    // 更新状态栏
    statusBar()->showMessage("从服务器 " + serverName + " 获取参数完成");
}

// 设备点击事件处理槽函数
void MainWindow::onDeviceClicked(const QString& deviceAlias)
{
    // 获取设备显示名称
    QString deviceName = deviceAlias;
    if (m_presenter) {
        deviceName = m_presenter->getServerDisplayName(deviceAlias);
        if (deviceName.isEmpty()) {
            deviceName = deviceAlias;
        }
    }
    
    // 创建自定义的确认对话框
    QMessageBox msgBox(this);
    msgBox.setWindowTitle("重新检测确认");
    msgBox.setText(QString("确定要对设备 \"%1\" 进行重新检测吗？").arg(deviceName));
    msgBox.setIcon(QMessageBox::Question);
    
    // 设置白色字体样式
    msgBox.setStyleSheet("QLabel { color: white; } QPushButton { color: white; }");
    
    // 添加中文按钮
    QPushButton *yesButton = msgBox.addButton("是", QMessageBox::YesRole);
    QPushButton *noButton = msgBox.addButton("否", QMessageBox::NoRole);
    
    // 显示对话框并获取用户选择
    msgBox.exec();
    
    // 如果用户确认重新检测
    if (msgBox.clickedButton() == yesButton) {
              
        // 调用Presenter的ResetDetect方法进行重新检测，传递设备别名
        if (m_presenter) {
            m_presenter->ResetDetect(deviceAlias);
        }

        // 清空检测数据表格
        if (m_tearingDataTableWidget) {
            m_tearingDataTableWidget->clearData();
        }
        
        // 更新状态栏信息
        statusBar()->showMessage(QString("已启动对设备 \"%1\" 的重新检测").arg(deviceName));
    }
}

void MainWindow::onConfigSaved()
{
    // 重新初始化Presenter
    if (m_presenter) {
        m_presenter->Init();
    }

    // 如果 DialogAlgoarg 已经创建，更新其服务器列表
    if (m_dialogAlgoarg && m_presenter) {
        auto serverInfos = m_presenter->getServerInfos();
        m_dialogAlgoarg->updateServerInfos(serverInfos);
    }
}

// IStatusUpdate接口方法实现
void MainWindow::OnStatusUpdate(const QString &statusMessage)
{
    statusBar()->showMessage(statusMessage);
    LOG_DEBUG("Status update: %s \n", statusMessage.toStdString().c_str());
}

// 回调需要显示几个图像
void MainWindow::OnNeedShowImageCount(const QStringList &deviceAliases)
{
    // Handle the case when count is 0 (no images to show)
    if (deviceAliases.isEmpty()) {
        // Display a message in the grid view when there are no images to show
        m_gridView->initImages(0);
        LOG_DEBUG("No images to display\n");
    } else {
        m_gridView->initImages(deviceAliases.size());

        // 为每个tile设置别名
        for (int i = 0; i < deviceAliases.size(); ++i) {
            m_gridView->setTileAlias(i, deviceAliases.at(i));
        }

        // 初始化设备状态列表
        if (m_deviceStatusWidget && m_presenter) {
            QList<DeviceInfo> devices;
            for (const QString& alias : deviceAliases) {
                QString displayName = m_presenter->getServerDisplayName(alias);
                QString ip = m_presenter->getServerIp(alias);
                devices.append(DeviceInfo(displayName.isEmpty() ? alias : displayName,   alias, ip, DeviceStatus::Offline, true));
            }
            m_deviceStatusWidget->setDevices(devices);
        }
    }
}

void MainWindow::OnTearingResult(const BeltTearingResult &result)
{   
    // 如果图像有效，显示在网格控件中
    if (result.bImageValid && !result.image.isNull()) {
        // 使用服务器名称作为别名
        m_gridView->setImages(result.aliasName, result.image);
    } else if (result.bResultVaild) {
        // 直接处理std::vector<TearingData>
        m_tearingDataTableWidget->addDataBatch(result.serverName, result.result);
    }
}


void MainWindow::OnServerConnected(const QString &serverName)
{
    QString message = QString("已连接到服务器: %1").arg(serverName);
    statusBar()->showMessage(message);
    LOG_DEBUG("%s \n", message.toStdString().c_str());
}

void MainWindow::OnServerDisconnected(const QString &serverName)
{
    QString message = QString("与服务器断开连接: %1").arg(serverName);
    statusBar()->showMessage(message);
    LOG_DEBUG("%s \n", message.toStdString().c_str());
}

void MainWindow::OnWorkStatusChanged(BeltTearingWorkStatus status)
{
    QString statusStr;
    switch (status) {
    case BeltTearingWorkStatus::InitIng:
        statusStr = "初始化中";
        break;
    case BeltTearingWorkStatus::Ready:
        statusStr = "准备就绪";
        break;
    case BeltTearingWorkStatus::Working:
        statusStr = "正在检测";
        break;
    case BeltTearingWorkStatus::Completed:
        statusStr = "检测完成";
        break;
    case BeltTearingWorkStatus::Error:
        statusStr = "设备异常";
        break;
    case BeltTearingWorkStatus::Disconnected:
        statusStr = "连接断开";
        break;
    default:
        statusStr = "未知状态";
        break;
    }
    
    QString message = QString("工作状态: %1").arg(statusStr);
    statusBar()->showMessage(message);
    LOG_DEBUG("%s \n", message.toStdString().c_str());
}

void MainWindow::OnErrorOccurred(const QString &errorMessage)
{
    statusBar()->showMessage("错误: " + errorMessage);
    LOG_ERROR("Error occurred: %s \n", errorMessage.toStdString().c_str());
}

void MainWindow::OnDeviceStatusChanged(const QString &deviceName, int deviceStatus)
{
    if (m_deviceStatusWidget) {
        m_deviceStatusWidget->updateDeviceStatus(deviceName, static_cast<DeviceStatus>(deviceStatus));
    }
}

void MainWindow::OnClearTearingData()
{
    if (m_tearingDataTableWidget) {
        m_tearingDataTableWidget->clearData();
    }
}

void MainWindow::setupVersionDisplay()
{
    // 创建版本信息标签
    m_versionLabel = new QLabel(this);

    // 设置版本信息文本：版本号 + 编译时间
    QString versionText = QString("%1_%2_%3%4%5%6%7%8")
        .arg(BELT_TEARING_APP_VERSION_STRING)
        .arg(BELT_TEARING_APP_VERSION_BUILD)
        .arg(YEAR)
        .arg(MONTH, 2, 10, QChar('0'))
        .arg(DAY, 2, 10, QChar('0'))
        .arg(HOUR, 2, 10, QChar('0'))
        .arg(MINUTE, 2, 10, QChar('0'))
        .arg(SECOND, 2, 10, QChar('0'));

    m_versionLabel->setText(versionText);
    m_versionLabel->setAlignment(Qt::AlignRight | Qt::AlignVCenter);

    // 设置样式使其看起来更美观
    m_versionLabel->setStyleSheet("QLabel { color: rgb(239, 241, 245); font-size: 12px; margin-right: 10px; }");

    // 将版本标签添加到状态栏的右侧
    statusBar()->addPermanentWidget(m_versionLabel);

    LOG_INFO("Version display initialized: %s\n", versionText.toStdString().c_str());
}