#include "VideoParse.h"

#include <utility>      /**< std::pair */

#include "MyButton.h"

VideoParse::VideoParse(QWidget* parent)
    : QWidget(parent)
    , m_pScrollLayout(nullptr)
    , m_pStandardItemModel(nullptr)
    , m_pSingleton(nullptr)
    , m_strExePath("")
    , m_uiParseStatus(0)
{
    ui.setupUi(this);
    m_pSingleton = Singleton::CreateInstance();
    initParamList();  // 初始化参数列表
    initScrollArea(); // 初始化滚动区域
}

VideoParse::~VideoParse()
{
    delete m_pScrollLayout;
    m_pScrollLayout = nullptr;

    ClearVideoWidgets();
}

// 初始化参数列表
void VideoParse::initParamList()
{
    if (m_pStandardItemModel) {
        m_pStandardItemModel->clear();
        delete m_pStandardItemModel;
        m_pStandardItemModel = nullptr;
    }
    m_pStandardItemModel = new QStandardItemModel();
    m_pStandardItemModel->setColumnCount(4);
    m_pStandardItemModel->setHorizontalHeaderLabels(
        {"参数名称", "参数代号", "执行操作", "编号索引"});
    ui.tv_videoList->setModel(m_pStandardItemModel);
    ui.tv_videoList->setColumnWidth(0, 120);                         // 第一列
    ui.tv_videoList->setColumnWidth(1, 80);                          // 第二列
    ui.tv_videoList->setColumnWidth(2, 80);                          // 第三列
    ui.tv_videoList->setColumnWidth(3, 80);                          // 第四列
    ui.tv_videoList->header()->setDefaultAlignment(Qt::AlignCenter); // 设置表头居中
    ui.tv_videoList->setColumnHidden(3, true);                       // 编号索引列隐藏
    // 树状结构样式表
    ui.tv_videoList->setStyleSheet("QTreeView::item{min-height:30px;align:center;}");
}

void VideoParse::initScrollArea()
{
    m_pScrollLayout = new QGridLayout(ui.sa_wgtContent);
}

void VideoParse::ClearVideoWidgets()
{
    for (auto curveWidget : m_mapIntVideoWidget) {
        if (curveWidget.second) {
            curveWidget.second->close();
            delete curveWidget.second;
            curveWidget.second = nullptr;
        }
    }
    m_mapIntVideoWidget.clear();
}

void VideoParse::switchModelType(QString modeltype)
{
    ClearVideoWidgets();

    QMutexLocker locker(&m_mutex);
    m_mapStrConfigInfo = m_pSingleton->getConfigInfo();
    initParamList(); // 初始化参数列表

    int  count      = 1;
    auto configIter = m_mapStrConfigInfo.find(modeltype);
    if (configIter != m_mapStrConfigInfo.end()) {
        // 添加节点信息
        QStandardItem* m_frameItem = new QStandardItem(configIter->first);
        m_pStandardItemModel->appendRow(m_frameItem);
        m_frameItem->setCheckable(false);
        for (auto param : configIter->second->m_mapUIntParam) {
            if (param.second->m_usModel != 3) {
                continue;
            }
            // 参数名称
            QString        strTitle     = param.second->m_strTitle;
            QStandardItem* m_pTitleItem = new QStandardItem(strTitle);
            m_frameItem->appendRow(m_pTitleItem);
            // 参数代号
            QString        strCode     = param.second->m_strCode;
            QStandardItem* m_pCodeItem = new QStandardItem(strCode);
            m_frameItem->setChild(m_pTitleItem->index().row(), 1, m_pCodeItem);
            // 执行操作
            QStandardItem* m_pOperaItem = new QStandardItem("");
            m_frameItem->setChild(m_pTitleItem->index().row(), 2, m_pOperaItem);
            MyButton* m_pOperaBtn = new MyButton(m_pOperaItem, this); // 显示操作
            m_pOperaBtn->setFixedSize(50, 20);
            m_pOperaBtn->setText("图像");
            m_pOperaBtn->setStyleSheet(
                "font-size:14px;\n"
                "border:solid 1px;\n"
                "background:white;\n"
                "font-family:PingFangSC-Regular,PingFang SC;\n"
                "font-weight:400;\n"
                "color:#155bd4;\n"
                "line-height:20px;");
            connect(m_pOperaBtn, &MyButton::onSingleClick, this, &VideoParse::operateItem);
            QHBoxLayout* m_pHBoxLayout = new QHBoxLayout();
            m_pHBoxLayout->setMargin(5);
            // m_pHBoxLayout->addStretch();  //拉伸
            m_pHBoxLayout->addWidget(m_pOperaBtn);
            // m_pHBoxLayout->addStretch();  //拉伸
            QWidget* m_pOperaWidget = new QWidget();
            m_pOperaWidget->setFixedSize(60, 30);
            m_pOperaWidget->setLayout(m_pHBoxLayout);
            ui.tv_videoList->setIndexWidget(m_pOperaItem->index(), m_pOperaWidget);
            // 创建视频窗口
            {
                if ("图像" == m_pOperaBtn->text()) {
                    VideoWidget* m_pVideoWidget = new VideoWidget(ui.sa_wgtContent);
                    connect(m_pVideoWidget, &VideoWidget::popupVideoWidget, this,
                            &VideoParse::popupVideoWidget);
                    connect(m_pVideoWidget, &VideoWidget::hideVideoWidget, this,
                            &VideoParse::hideVideoWidget);
                    connect(this, &VideoParse::setParseStatus, m_pVideoWidget,
                            &VideoWidget::setParseStatus);
                    m_pVideoWidget->setParam(strTitle, count);
                    m_pVideoWidget->setWidgetEmbedded(true); // 窗口内嵌
                    m_pVideoWidget->getFfmpegDecode()->setParam(param.second->m_usFormat,
                                                                param.second->m_uiWidth,
                                                                param.second->m_uiHeight);
                    m_pVideoWidget->getFfmpegDecode()->init();
                    m_pVideoWidget->setVisible(false);
                    m_mapIntVideoWidget.insert(pair<int, VideoWidget*>(count, m_pVideoWidget));
                    param.second->setVideoWidget(m_pVideoWidget);
                }
            }
            // 编号索引
            QStandardItem* m_pIndexItem = new QStandardItem(QString::number(count));
            m_frameItem->setChild(m_pTitleItem->index().row(), 3, m_pIndexItem);
            m_pIndexItem->setTextAlignment(Qt::AlignCenter);
            ++count;
        }
    } else {
        qDebug() << "The model type(" << modeltype << ") is unsupported!";
    }
}

void VideoParse::operateItem(QStandardItem* item, QPushButton* button)
{
    QModelIndex index    = item->index();
    // 参数名称
    QString     strTitle = index.sibling(index.row(), 0).data().toString();
    // 编号索引
    int         count    = index.sibling(index.row(), 3).data().toInt();
    if ("图像" == button->text()) { // 图像
        for (auto iter : m_mapIntVideoWidget) {
            m_pScrollLayout->removeWidget(iter.second);
        }

        // Relayout
        size_t i = 0;
        for (auto iter : m_mapIntVideoWidget) {
            if (count == iter.first) {
                iter.second->setVisible(!iter.second->isVisible());
            }

            if (iter.second->isVisible()) {
                m_pScrollLayout->addWidget(iter.second, i / 2, i % 2);
                i++;
            }
        }
    }
}

void VideoParse::popupVideoWidget(QString title, int count, bool embedded)
{
    auto mapIter = m_mapIntVideoWidget.begin();
    while (mapIter != m_mapIntVideoWidget.end()) {
        VideoWidget* videoWidget = mapIter->second;
        if (title == videoWidget->getTitle() && count == videoWidget->getCount()) {
            if (embedded == true) {
                // 将窗口的父窗口改为桌面
                videoWidget->setParent(nullptr);
                videoWidget->setWidgetEmbedded(false);
                WgtRect wgtRect  = videoWidget->getWgtRect();
                int     iWgtPosX = (wgtRect.m_iMaxWidth - wgtRect.m_iWgtWidth) / 2;
                int     iWgtPosY = (wgtRect.m_iMaxHeight - wgtRect.m_iWgtHeight) / 2;
                videoWidget->setGeometry(iWgtPosX, iWgtPosY, wgtRect.m_iWgtWidth,
                                         wgtRect.m_iWgtHeight);
                videoWidget->show();
                videoWidget->fitInView();
            } else if (embedded == false) {
                // 将窗口的父窗口改为桌面
                videoWidget->setParent(ui.sa_wgtContent);
                videoWidget->setWidgetEmbedded(true);
                videoWidget->show();
            }
            break;
        }
        ++mapIter;
    }
}

void VideoParse::hideVideoWidget(int count)
{
    // 移除所关闭的视频窗口
    m_mapIntVideoWidget.at(count)->hide();
}

void VideoParse::parseStatus(unsigned int status)
{
    m_uiParseStatus = status;
    emit setParseStatus(m_uiParseStatus);
}