#include "imagereslistview.h"
#include "qimageview.h"
#include "qimagewidget.h"
#include <QThread>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QGridLayout>
#include <QDebug>
#include <QHeaderView>

#include <QtConcurrent> //异步线程
#include <QFuture> 
#include <QFutureWatcher>

#include "toolkit.h"
ImageResListView::ImageResListView(QWidget* parent) : QWidget(parent)
{
	setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::MSWindowsFixedSizeDialogHint
		| Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);
	m_Font = this->font();

	SavePath.append(QString::fromUtf8("D:\\CCD\\result"));//结果地址 工控机1
	// SavePath.append(QString::fromUtf8("C	"));
	// SavePath.append(QString::fromUtf8("D:/111"));

	SavePath.append(QString::fromUtf8("D:\\CCD\\yuantu"));//原图地址 工控机1
	// SavePath.append(QString::fromUtf8("\\192.168.1.130\\Ori"));
	// SavePath.append(QString::fromUtf8("D:/Ori"));
}

ImageResListView::~ImageResListView()
{

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

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

}

void ImageResListView::initwidget()
{
	m_Font.setFamily("Microsoft YaHei");
	m_Font.setPixelSize(35);
	QString  m_style = "QLineEdit{border-style:outset;background:transparent;color:rgb(0,255,0);}";
	// 初始化控件

	qgraphicsScene = new QGraphicsScene(this);
	m_view = new QImageView(this);
	m_view->setScene(qgraphicsScene);//Sets the current scene to scene. If scene is already being viewed, this function does nothing.
	m_view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);//关闭滑动条
	m_view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

	up_label = new QLineEdit(this);
	up_label->setStyleSheet(m_style);
	up_label->setAttribute(Qt::WA_TranslucentBackground);
	up_label->setFixedSize(200, 200);
	up_label->setFont(m_Font);
	up_label->setAlignment(Qt::AlignCenter);
	up_label->setReadOnly(true);
	up_label->setText(ok_str);
	labptr.reset(up_label);

	down_label = new QLineEdit(this);
	down_label->setStyleSheet(m_style);
	down_label->setAttribute(Qt::WA_TranslucentBackground);
	down_label->setText(QString::fromUtf8("SN: "));
	down_label->setFont(m_Font);
	down_label->setReadOnly(true);

	label_ptr.reset(down_label);


	m_Font.setPixelSize(20);
	m_result_List = new QListWidget(this);
	m_result_List->setFont(m_Font);
	m_result_List->setSpacing(5);//设置单元项的间距
	m_result_List->setFlow(QListView::LeftToRight);//从左到右横向的排列,图片和文字也是从左到右排列       
	m_result_List->setViewMode(QListView::IconMode);//左到右横向的排列,上图下文模式
	//m_result_List->setViewMode(QListView::ListMode);//子项就会从上到下排列,图片和文字是从左到右排列.
	//m_result_List->setFlow(QListView::TopToBottom);//子项就会从上到下排列,图片和文字是从左到右排列.
	m_result_List->setMovement(QListView::Static);//把列表设置为固定的（不能移动）
	m_result_List->setSelectionBehavior(QAbstractItemView::SelectRows);//整行选中
	m_result_List->setSelectionMode(QAbstractItemView::SingleSelection);//单选
	m_result_List->setEditTriggers(QAbstractItemView::NoEditTriggers);    //禁止编辑表格
	m_result_List->setIconSize(QSize(100, 80));//设置图片的大小 
	m_result_List->setResizeMode(QListView::Adjust);//设置自动适应布局调整


	// 设置控件布局
	QHBoxLayout* mainWidgetLayout = new QHBoxLayout(this);
	QWidget* mainWidget = new QWidget;
	mainWidget->setMouseTracking(true);
	mainWidgetLayout->addWidget(mainWidget);
	mainWidgetLayout->setMargin(0);
	QGridLayout* pLayout = new QGridLayout();
	pLayout->addWidget(m_view, 0, 0, 12, 16);
	pLayout->addWidget(up_label, 0, 14, 2, 2);
	pLayout->addWidget(down_label, 10, 0, 3, 16);
	pLayout->addWidget(m_result_List, 12, 0, 4, 16);
	mainWidget->setLayout(pLayout);
	//QVBoxLayout* pvLayout = new QVBoxLayout();
	//pvLayout->addWidget(up_label);
	//pvLayout->addWidget(m_view);
	//pvLayout->addWidget(down_label);
	//pvLayout->addWidget(m_result_List);
	//pvLayout->setStretchFactor(up_label, 2);
	//pvLayout->setStretchFactor(m_view, 12);
	//pvLayout->setStretchFactor(down_label, 2);
	//pvLayout->setStretchFactor(m_result_List, 4);
	//pvLayout->setContentsMargins(3, 3, 3, 3);
	//mainWidget->setLayout(pvLayout);

	connect(m_result_List, &QListWidget::currentRowChanged, this, &ImageResListView::changeRowList);
	connect(this, &ImageResListView::GetShow, this, &ImageResListView::showText);

}



void ImageResListView::mouseMoveEvent(QMouseEvent* event)
{
	setCursor(Qt::ArrowCursor);
}

void ImageResListView::addSN(const QString sn)
{
	SN = sn;
	down_label->setText(SN);
}
void ImageResListView::changeRowList(int row)
{
	if (row != -1 && !search_start)
	{
		
		QString path;
		QImage* image = new QImage();
		image->load(str_resultList.at(row));
		if (image->isNull())return;
		ShowImage(image);
		show_index = row;
	}
}

void ImageResListView::getCodeSN(const QString res) {

	str_resultList.clear();
	QStringList pp = res.split(",");
	qDebug() << res;
	if (pp.size() != 2)return;
	addSN(pp.at(0));
	qDebug() << pp;
	QString SN = pp.at(0).split("_").at(1);
	//QString SN = (pp.at(0).split("//").at(1)).split("-").at(0);
	//QString index = (pp.at(0).split("//").at(1)).split("-").at(1);
	//time2会显示 invalid 数据无效，未根据设定的格式，设置日期
	QStringList times = pp.at(0).split("_").at(0).split("-");
	//QStringList times = QString("2023-07-27-16").split("-");
	QString day_time = QString("%1-%2-%3").arg(times.at(0), times.at(1), times.at(2));
	QDateTime datetime = QDateTime::currentDateTime();
	QString now = datetime.toString("yyyy-MM-dd");
	QString h_time = times.at(3);

	for (int i = 0; i < SavePath.size(); i++) {
		auto var = SavePath.at(i);
		//QString resultDir = QString("%1/%2/%3H/%4").arg(var, day_time, h_time, pp.at(0));
		QString resultDir = QString("%1/%2/%3H/%4").arg(var, day_time, h_time, SN);
		qDebug() << resultDir;
		if (!isFileExist(resultDir)) {
			
			qDebug() << QString::fromUtf8("结果文件夹不存在 ") << resultDir << endl;
			continue;
			
		}
		//else {
		//	qDebug() << QString::fromUtf8("结果文件夹不存在 ") << resultDir << endl;
		//	continue;
		//}
		
		QStringList imageList = addSubFolderDirectory(resultDir);//日期下所有时间段
		str_resultList << imageList;
	}
	emit GetShow(pp.at(1));
	upListview(str_resultList);
}

void ImageResListView::ShowImage(QImage* image)
{
	try
	{
		m_pImage = new QImageWidget(image);
		qgraphicsScene->clear();
		int nwith = m_view->width();//获取界面控件Graphics View的宽度
		int nheight = m_view->height();//获取界面控件Graphics View的高度
		m_pImage->setQGraphicsViewWH(nwith, nheight);//将界面控件Graphics View的width和height传进类m_Image中
		qgraphicsScene->addItem(m_pImage);//将QGraphicsItem类对象放进QGraphicsScene中
		m_view->setSceneRect(QRectF(-(nwith / 2), -(nheight / 2), nwith, nheight));
		//    ui->graphicsView->setScene(qgraphicsScene);
		m_view->setFocus();//将界面的焦点设置到当前Graphics View控件
		if (image)
		{
			delete image;
			image = nullptr;
		}
	}
	catch (QString ev)
	{
		qDebug() << __FUNCTION__ << " line:" << __LINE__ << " ev:" << ev;
	}
}

void ImageResListView::setSavePath(const QStringList& path)
{
	SavePath = path;
}

void ImageResListView::clearAll() {
	m_result_List->clear();//清理列表
	qgraphicsScene->clear();
	down_label->setText(QString::fromUtf8("SN: "));
	up_label->setText(ok_str);
	qApp->processEvents();
	str_resultList.clear();

}

QIcon loadThumbnailAsIcon(const QString& filePath, int width, int height) {
	// 读取图像文件
	QImage originalImage(filePath);
	//QImage originalImage = loadThumbnailFast(filePath, width, height, 50);
	// 检查图像是否成功加载
	if (originalImage.isNull()) {
		qWarning("Failed to load image.");
		return QIcon(); // 返回一个空的 QIcon
	}

	// 生成缩略图
	QImage thumbnail = originalImage.scaled(width, height, Qt::KeepAspectRatio);

	// 将缩略图转换为 QIcon
	QIcon thumbnailIcon = QIcon(QPixmap::fromImage(thumbnail));

	return thumbnailIcon;
}

void ImageResListView::upListview(const QStringList list)
{

	emit waitSearch();
	m_result_List->clear();//清理列表
	qApp->processEvents();
	str_resultList.clear();
	QFutureWatcher<void>* pwatcher = nullptr;
	pwatcher = new QFutureWatcher<void>;

	//把扫描到的信息输出
	QFuture<void> future = QtConcurrent::run([=]()
		{
			search_start = 1;		
			auto start = std::chrono::high_resolution_clock::now();
			for each (auto resultname in list) {
				QStringList np = resultname.split("_");
				if (np.last().indexOf(".") != -1) {
					QString imgpath = resultname;
					QString result = np.last().mid(0, np.last().indexOf("."));
					//QString station = np.at(np.size() - 5) + "-" + np.at(np.size() - 4);
					QString station = resultname.split("_").last();
					if (isFileExist(imgpath)) {

					
						QIcon icon = loadThumbnailAsIcon(imgpath,100,120);
						// 获取函数执行后的时间点
						//QIcon icon(imgpath);

						if (!icon.isNull()) {
							//存
							QListWidgetItem* imgItem = new QListWidgetItem;
							imgItem->setTextColor("black");
							imgItem->setText(station);
							imgItem->setIcon(icon);//图片路径
							imgItem->setSizeHint(QSize(100, 120));
							
							if (result.indexOf(ok_str) == -1) {
								imgItem->setBackground(ng_color);
							}
							else {
								imgItem->setBackground(ok_color);
							}
						
							
							m_result_List->addItem(imgItem);
							str_resultList.append(resultname);


						}


					}
				}

			}
			search_start = 0;
			auto end = std::chrono::high_resolution_clock::now();

			// 计算时间差
			auto duration = std::chrono::duration_cast<std::chrono::microseconds>(end - start);

			// 输出函数的运行时间
			std::cout << "cost: " << duration.count() << " mm" << std::endl;
			//耗时操作
		});

	connect(pwatcher, &QFutureWatcher<void>::finished, this, [=]()
		{
			//主线程操作
			if (list.size()) {
				QString path;
				QImage* image = new QImage();
				if (show_index >= list.size())show_index=0;
				image->load(list.at(show_index));
				ShowImage(image);
			}

			emit waitSearch(false);
			qApp->processEvents();
		});

	pwatcher->setFuture(future);
}

void ImageResListView::showText(const QString result)
{
	if (result.indexOf(ok_str) == -1) {
		up_label->setStyleSheet("QLineEdit{border-style:outset;background:transparent;color:rgb(255,0,0);}");
	}
	else {
		up_label->setStyleSheet("QLineEdit{border-style:outset;background:transparent;color:rgb(0,255,0);}");
	}
	labptr->setText(result);
}

int ImageResListView::getSearch() {
	return search_start;
}

void ImageResListView::stopSearch()
{
	search_start = 0;
	QThread::msleep(10);
}