#include "weighui.h"
#include "./ui_weighui.h"

#include <QTimer>
#include <QPixmap>
#include <QDebug>
#include <QCloseEvent>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QTransform>
#include <QLabel>
#include <QFrame>

#include <thread>
#include <mutex>
#include <queue>
#include <utility>
#include <QProcess>

#include "dds/Subscriber.hpp"
#include "dds/msg.hpp"

// DdsMsgData 静态成员定义
std::queue<WeighingSystem::SummaryUpdate>  DdsMsgData::SummaryUpdate_queue_;
std::queue<Queue::QueueSuccess> DdsMsgData::QueueSuccess_queue_;
std::mutex DdsMsgData::queue_cv_mtx_;

WeighUI::WeighUI(int domainId, QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::WeighUI)
    , m_imageLabel(nullptr)
    , m_popupWidget(nullptr)
    , m_ddsSubscriber(nullptr)
    , m_ddsThread(nullptr)
    , m_domainId(domainId)
{
    qDebug() << "=== WeighUI 构造函数开始 ===";

    ui->setupUi(this);
    qDebug() << "setupUi 完成, 窗口大小:" << width() << "x" << height();

    this->setAttribute(Qt::WA_DeleteOnClose);

    // 设置窗口为全屏无边框（适应 800x1280 竖屏）
    this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
    this->resize(800, 1280);
    this->showFullScreen();
    this->raise();
    this->activateWindow();
    qDebug() << "窗口大小已调整为:" << width() << "x" << height();

    // 隐藏菜单栏和状态栏
    ui->menubar->hide();
    ui->statusbar->hide();

    // 设置 centralwidget 透明并隐藏
    ui->centralwidget->setStyleSheet("background-color: transparent;");
    ui->centralwidget->hide();

    // 创建图片显示Label
    m_imageLabel = new QLabel(this);
    m_imageLabel->setAlignment(Qt::AlignCenter);
    m_imageLabel->setScaledContents(true);
    m_imageLabel->setGeometry(0, 0, width(), height());
    m_imageLabel->show();

    // 加载图片并旋转90度
    QString imagePath = QCoreApplication::applicationDirPath() + "/123.png";
    qDebug() << "尝试加载图片:" << imagePath;

    QPixmap pixmap(imagePath);
    if (!pixmap.isNull()) {
        QTransform transform;
        transform.rotate(90);
        QPixmap rotatedPixmap = pixmap.transformed(transform);
        m_imageLabel->setPixmap(rotatedPixmap.scaled(width(), height(), Qt::KeepAspectRatio, Qt::SmoothTransformation));
        qDebug() << "图片加载并旋转成功!";
    } else {
        qDebug() << "图片加载失败!";
    }

    // 创建定时器
    m_closeTimer = new QTimer(this);
    m_pollTimer  = new QTimer(this);
    m_summaryPollTimer = new QTimer(this);

    connect(m_closeTimer, &QTimer::timeout, this, &WeighUI::onPopupClosed);
    connect(m_pollTimer,  &QTimer::timeout, this, &WeighUI::onCheckQueueSuccess);
    connect(m_summaryPollTimer, &QTimer::timeout, this, &WeighUI::onCheckSummaryUpdate);

    // 排队成功提示音(sound1.wav)在 onCheckQueueSuccess 中由 aplay 子进程播放

    // 启动 DDS 订阅 SummaryUpdate / QueueSuccess
    startDdsSubscriber();

    // 启动轮询定时器（每 200ms 检查队列）
    m_pollTimer->start(200);
    m_summaryPollTimer->start(200);

    qDebug() << "=== WeighUI 构造函数结束（等待 QueueSuccess 触发弹窗）===";
}

WeighUI::~WeighUI()
{
    stopDdsSubscriber();
    delete ui;
}

void WeighUI::startDdsSubscriber()
{
    try {
        qDebug() << "DDS Subscriber 启动, domainId=" << m_domainId;
        m_ddsSubscriber = std::make_shared<DdsSubscriberApp>(m_domainId);
        m_ddsThread = new std::thread([this]() { m_ddsSubscriber->run(); });
        qDebug() << "DDS Subscriber 启动成功";
    } catch (const std::exception& e) {
        qDebug() << "DDS Subscriber 启动失败:" << e.what();
        m_ddsSubscriber = nullptr;
        m_ddsThread = nullptr;
    }
}

void WeighUI::stopDdsSubscriber()
{
    if (m_ddsSubscriber) {
        m_ddsSubscriber->stop();
    }
    if (m_ddsThread) {
        if (m_ddsThread->joinable()) {
            m_ddsThread->join();
        }
        delete m_ddsThread;
        m_ddsThread = nullptr;
    }
    m_ddsSubscriber.reset();
}

void WeighUI::closeEvent(QCloseEvent *event)
{
    stopDdsSubscriber();
    if (m_pollTimer)         m_pollTimer->stop();
    if (m_summaryPollTimer)  m_summaryPollTimer->stop();
    if (m_closeTimer)        m_closeTimer->stop();
    hide();
    QTimer::singleShot(100, [this]() {
        deleteLater();
    });
    event->accept();
}

void WeighUI::onCheckSummaryUpdate()
{
    // SummaryUpdate 目前不触发任何 UI 动作，仅消费队列避免消息堆积
    std::unique_lock<std::mutex> lock(DdsMsgData::queue_cv_mtx_);
    while (!DdsMsgData::SummaryUpdate_queue_.empty())
    {
        DdsMsgData::SummaryUpdate_queue_.pop();
    }
}

void WeighUI::onCheckQueueSuccess()
{
    QString popupText;
    bool hasData = false;
    {
        std::unique_lock<std::mutex> lock(DdsMsgData::queue_cv_mtx_);
        if (!DdsMsgData::QueueSuccess_queue_.empty())
        {
            Queue::QueueSuccess info = std::move(DdsMsgData::QueueSuccess_queue_.front());
            DdsMsgData::QueueSuccess_queue_.pop();
            lock.unlock();

            popupText = QString::fromStdString(info.display_text());
            if (popupText.isEmpty()) {
                popupText = QStringLiteral("排队成功");
            }
            hasData = true;
            qDebug() << "[WeighUI] 收到 QueueSuccess, display_text =" << popupText;
        }
    }

    if (hasData)
    {
        // 播放提示音:启动 aplay 子进程异步播放,父进程立即返回不阻塞 Qt 事件循环
        // 用 QProcess::startDetached 起一个干净的短进程,完全绕开 QSoundEffect
        QString soundPath = QCoreApplication::applicationDirPath() + "/voice2.0/sound1.wav";
        QProcess::startDetached("aplay", QStringList() << "-q" << soundPath);
        onShowPopup(popupText);
    }
}

void WeighUI::onShowPopup(const QString& popupText)
{
    if (m_popupWidget) {
        m_popupWidget->close();
        m_popupWidget->deleteLater();
        m_popupWidget = nullptr;
    }

    // 创建弹窗容器（横屏尺寸：宽800，高500）
    QWidget *popupSource = new QWidget(this);
    popupSource->setWindowFlags(Qt::FramelessWindowHint | Qt::Window);
    popupSource->resize(800, 500);

    // 内部布局：上方标题 + 下方信息（QueueSuccess.display_text）
    QVBoxLayout *mainLayout = new QVBoxLayout(popupSource);
    mainLayout->setContentsMargins(20, 20, 20, 20);
    mainLayout->setSpacing(20);
    mainLayout->setAlignment(Qt::AlignCenter);

    // 上方：标题
    QLabel *titleLabel = new QLabel("排队提示", popupSource);
    titleLabel->setAlignment(Qt::AlignCenter);
    titleLabel->setStyleSheet("font-size: 48px; font-weight: bold; color: #4169E1; background: transparent;");

    QFrame *line = new QFrame(popupSource);
    line->setFrameShape(QFrame::HLine);
    line->setStyleSheet("background-color: #4169E1;");

    // 下方：信息（QueueSuccess.display_text 文本）
    QLabel *warningLabel = new QLabel(popupText, popupSource);
    warningLabel->setAlignment(Qt::AlignCenter);
    warningLabel->setWordWrap(true);
    warningLabel->setStyleSheet("font-size: 42px; font-weight: bold; color: #FF4500; background: transparent;");

    mainLayout->addWidget(titleLabel);
    mainLayout->addWidget(line);
    mainLayout->addWidget(warningLabel);

    // 把弹窗渲染成图片
    popupSource->show();
    popupSource->repaint();
    QPixmap popupPixmap = popupSource->grab();

    // 关闭原弹窗
    popupSource->close();
    popupSource->deleteLater();

    // 旋转90度，跟图片一致
    QTransform transform;
    transform.rotate(90);
    QPixmap rotatedPixmap = popupPixmap.transformed(transform, Qt::SmoothTransformation);

    // 创建新弹窗显示旋转后的图片
    m_popupWidget = new QWidget(this);
    m_popupWidget->setWindowFlags(Qt::FramelessWindowHint | Qt::Window);
    m_popupWidget->setStyleSheet(
        "background-color: rgba(240, 248, 255, 240);"
        "border: 3px solid #4169E1;"
        "border-radius: 15px;"
    );
    m_popupWidget->resize(rotatedPixmap.width(), rotatedPixmap.height());

    QLabel *imageLabel = new QLabel(m_popupWidget);
    imageLabel->setPixmap(rotatedPixmap);
    imageLabel->setScaledContents(true);
    imageLabel->setGeometry(0, 0, rotatedPixmap.width(), rotatedPixmap.height());

    m_popupWidget->move((width() - rotatedPixmap.width()) / 2, (height() - rotatedPixmap.height()) / 2);
    m_popupWidget->show();

    // 5秒后关闭弹窗
    m_closeTimer->setSingleShot(true);
    m_closeTimer->start(5000);
}

void WeighUI::onPopupClosed()
{
    if (m_popupWidget) {
        m_popupWidget->close();
        m_popupWidget->deleteLater();
        m_popupWidget = nullptr;
    }
}