#include "DeviceStatusWidget.h"
#include <QLabel>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QFrame>
#include <QPixmap>
#include <QMouseEvent>
#include <QDebug>
#include "ClickableFrame.h"
#include "VrLog.h"

DeviceStatusWidget::DeviceStatusWidget(QWidget* parent)
    : QWidget(parent)
    , m_mainLayout(new QVBoxLayout(this))
{
    // 设置布局边距
    m_mainLayout->setContentsMargins(0, 0, 0, 0);
    m_mainLayout->setSpacing(5);
    setLayout(m_mainLayout);

    m_devices.clear();
    
    // 设置控件大小策略
    setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
}

DeviceStatusWidget::~DeviceStatusWidget()
{
}

void DeviceStatusWidget::setDevices(const QList<DeviceInfo>& devices)
{
    // 移除现有设备标签
    removeDeviceLabels();
    
    m_devices = devices;

    if (devices.isEmpty()) {
        // 无设备时显示的标签
        QLabel* noDeviceLabel;
        // 创建一个提示标签，当没有设备时显示
        noDeviceLabel = new QLabel("未配置设备", this);
        noDeviceLabel->setStyleSheet("color: gray; font-size: 14px;");
        noDeviceLabel->setAlignment(Qt::AlignCenter);
        
        // 如果没有设备，显示提示信息
        m_mainLayout->addWidget(noDeviceLabel);
        
        noDeviceLabel->show();
        return;
    }
    
    // 创建设备标签
    createDeviceLabels(devices.size());
    
    // 更新设备标签显示
    for (int i = 0; i < devices.size(); ++i) {
        updateDeviceLabel(i);
    }
}

void DeviceStatusWidget::updateDeviceStatus(const QString& deviceName, DeviceStatus status)
{
    // 查找设备索引
    int index = -1;
    for (int i = 0; i < m_devices.size(); ++i) {
        if (m_devices[i].alias == deviceName) {
            index = i;
            break;
        }
    }

    // 如果找到设备，更新其状态
    if (index >= 0) {
        m_devices[index].status = status;
        updateDeviceLabel(index);
        emit deviceStatusChanged(deviceName, status);
    }
}

void DeviceStatusWidget::updateDeviceTemperature(const QString& deviceName, float temperature)
{
    // 查找设备索引
    int index = -1;
    for (int i = 0; i < m_devices.size(); ++i) {
        if (m_devices[i].alias == deviceName) {
            index = i;
            break;
        }
    }

    // 如果找到设备，更新其温度
    if (index >= 0) {
        m_devices[index].temperature = temperature;
        m_devices[index].hasTemperature = true;
        updateDeviceLabel(index);
    }
}

void DeviceStatusWidget::onDeviceLabelClicked()
{
    // 查找发送信号的标签
    QObject* senderObj = sender();
    for (int i = 0; i < m_deviceLabels.size(); ++i) {
        if (m_deviceLabels[i] == senderObj) {
            emit deviceClicked(m_devices[i].alias);
            break;
        }
    }
}


void DeviceStatusWidget::createDeviceLabels(int count)
{
    // 创建网格布局，每行4个设备
    int devicesPerRow = 4;
    int rowCount = (count + devicesPerRow - 1) / devicesPerRow; // 向上取整
    
    for (int row = 0; row < rowCount; ++row) {
        QHBoxLayout* rowLayout = new QHBoxLayout();
        rowLayout->setContentsMargins(0, 0, 0, 0);
        rowLayout->setSpacing(10);
        
        for (int col = 0; col < devicesPerRow; ++col) {
            int index = row * devicesPerRow + col;
            if (index >= count) break;
            
            // 创建设备框架
            ClickableFrame* deviceFrame = new ClickableFrame(this);
            deviceFrame->setObjectName("deviceFrame");
            // 增强圆角框样式，添加边框以便更好地区分
            deviceFrame->setStyleSheet("QFrame#deviceFrame { background-color: rgb(37, 38, 42); border: 1px solid #555555; border-radius: 8px; }");
            deviceFrame->setFixedSize(80, 120); // 调整大小以适应温度标签
            
            // 创建垂直布局（图标在上，名字在下）
            QVBoxLayout* deviceLayout = new QVBoxLayout(deviceFrame);
            deviceLayout->setContentsMargins(5, 5, 5, 5);
            deviceLayout->setSpacing(5);
            
            // 创建状态图片标签
            QLabel* statusLabel = new QLabel(deviceFrame);
            statusLabel->setFixedSize(40, 40);
            statusLabel->setAlignment(Qt::AlignCenter);
            m_statusLabels.append(statusLabel);
            
            // 创建设备名称标签
            QLabel* nameLabel = new QLabel(deviceFrame);
            nameLabel->setStyleSheet("color: green; font-size: 12px;");
            nameLabel->setAlignment(Qt::AlignCenter); // 居中对齐
            m_nameLabels.append(nameLabel);

            // 创建温度标签
            QLabel* temperatureLabel = new QLabel(deviceFrame);
            temperatureLabel->setStyleSheet("color: rgb(100, 200, 255); font-size: 11px;");
            temperatureLabel->setAlignment(Qt::AlignCenter);
            temperatureLabel->setText("--°C"); // 默认显示
            m_temperatureLabels.append(temperatureLabel);

            // 添加到设备布局（垂直排列）
            deviceLayout->addWidget(statusLabel, 0, Qt::AlignCenter);
            deviceLayout->addWidget(nameLabel, 0, Qt::AlignCenter);
            deviceLayout->addWidget(temperatureLabel, 0, Qt::AlignCenter);
            
            // 添加到行布局
            rowLayout->addWidget(deviceFrame);
            
            // 保存设备标签引用
            m_deviceLabels.append(deviceFrame);
            
            // 连接点击信号
            connect(deviceFrame, &ClickableFrame::clicked, this, &DeviceStatusWidget::onDeviceLabelClicked);
        }
        
        // 添加行布局到主布局
        m_mainLayout->addLayout(rowLayout);
    }
}

void DeviceStatusWidget::updateDeviceLabel(int index)
{
    if (index < 0 || index >= m_devices.size() || index >= m_statusLabels.size() || index >= m_nameLabels.size()) {
        return;
    }

    const DeviceInfo& device = m_devices[index];

    // 更新状态图片
    QString imagePath = getStatusImage(device.status);
    m_statusLabels[index]->setPixmap(QPixmap(imagePath).scaled(40, 40, Qt::KeepAspectRatio, Qt::SmoothTransformation));

    // 更新设备名称
    m_nameLabels[index]->setText(device.name);

    // 根据设备状态设置设备名称颜色
    if (device.status == DeviceStatus::Online) {
        m_nameLabels[index]->setStyleSheet("color: green; font-size: 12px;");
    } else {
        m_nameLabels[index]->setStyleSheet("color: rgb(220, 60, 60); font-size: 12px;");
    }

    // 更新温度显示
    if (index < m_temperatureLabels.size()) {
        if (device.hasTemperature) {
            m_temperatureLabels[index]->setText(QString("%1°C").arg(device.temperature, 0, 'f', 1));
            m_temperatureLabels[index]->setStyleSheet("color: rgb(100, 200, 255); font-size: 11px;");
        } else {
            m_temperatureLabels[index]->setText("--°C");
            m_temperatureLabels[index]->setStyleSheet("color: gray; font-size: 11px;");
        }
    }
}

QString DeviceStatusWidget::getStatusImage(DeviceStatus status) const
{
    // 这里简化处理，实际应用中可能需要根据设备类型选择不同的图片
    switch (status) {
    case DeviceStatus::Online:
        return ":/common/resource/camera_online.png";
    case DeviceStatus::Offline:
        return ":/common/resource/camera_offline.png";
    case DeviceStatus::Error:
        return ":/common/resource/camera_offline.png"; // 错误状态也使用离线图片
    default:
        return ":/common/resource/camera_offline.png";
    }
}

void DeviceStatusWidget::removeDeviceLabels()
{
    // 清空所有设备相关的标签列表
    m_deviceLabels.clear();
    m_statusLabels.clear();
    m_nameLabels.clear();
    m_temperatureLabels.clear();

    // 递归删除所有子widget
    QList<QWidget*> allWidgets = this->findChildren<QWidget*>();
    for (QWidget* widget : allWidgets) {
        if (widget != this) {  // 不要删除自己
            widget->deleteLater();
        }
    }

    // 清理布局项目
    while (m_mainLayout->count()) {
        QLayoutItem* child = m_mainLayout->takeAt(0);
        if (child) {
            delete child;
        }
    }
}