#include "mainwindow.h"
#include "./ui_mainwindow.h"
#include <QTableWidget>
#include <QVBoxLayout>
#include <QTabWidget>
#include <QGroupBox>
#include <QLabel>
#include <QGridLayout>
#include <QLineEdit>
#include <QPushButton>
#include <QFileDialog>
#include <QHeaderView>
#include <QMessageBox>
#include <QProcess>
#include "xlsxcellrange.h"
#include "xlsxchart.h"
#include "xlsxchartsheet.h"
#include "xlsxdocument.h"
#include "xlsxrichstring.h"
#include "xlsxworkbook.h"

using namespace QXlsx;

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

	setWindowTitle("XNSim IDL Generator");
	setWindowIcon(QIcon(":/icon/XNIDLGen.png"));
	//菜单栏
	QMenu *fileMenu		 = menuBar()->addMenu(tr("&File"));
	QAction *openAction	 = new QAction(tr("&Open"), this);
	QAction *closeAction = new QAction(tr("&Close"), this);

	fileMenu->addAction(openAction);
	fileMenu->addAction(closeAction);

	QMenu *operationMenu	   = menuBar()->addMenu(tr("&Operation"));
	QAction *generateAction	   = new QAction(tr("Generate &IDL"), this);
	QAction *generatePrjAction = new QAction(tr("Generate &DDS Project"), this);
	operationMenu->addAction(generateAction);
	operationMenu->addAction(generatePrjAction);

	connect(openAction, &QAction::triggered, this, &MainWindow::openFile);
	connect(closeAction, &QAction::triggered, this, &MainWindow::closeFile);
	connect(generateAction, &QAction::triggered, this, &MainWindow::generate);
	connect(generatePrjAction, &QAction::triggered, this, &MainWindow::generatePrj);

	//主界面
	QGroupBox *namespaceGroupBox		 = new QGroupBox(tr("Namespace"), this);
	QGridLayout *namespaceGroupBoxLayout = new QGridLayout();
	namespaceGroupBox->setLayout(namespaceGroupBoxLayout);
	QLabel *firstNamespaceLabel	 = new QLabel(tr("First Namespace:"), namespaceGroupBox);
	QLabel *secondNamespaceLabel = new QLabel(tr("Second Namespace:"), namespaceGroupBox);
	QLabel *thirdNamespaceLabel	 = new QLabel(tr("Third Namespace:"), namespaceGroupBox);
	QLabel *modelNameLabel		 = new QLabel(tr("Model Name:"), namespaceGroupBox);

	QLineEdit *firstNamespaceLineEdit = new QLineEdit(namespaceGroupBox);
	firstNamespaceLineEdit->setText("XNSim");
	firstNamespaceLineEdit->setReadOnly(true);
	firstNamespaceLineEdit->setObjectName("firstNamespaceLineEdit");
	QLineEdit *secondNamespaceLineEdit = new QLineEdit(namespaceGroupBox);
	secondNamespaceLineEdit->setObjectName("secondNamespaceLineEdit");
	QLineEdit *thirdNamespaceLineEdit = new QLineEdit(namespaceGroupBox);
	thirdNamespaceLineEdit->setObjectName("thirdNamespaceLineEdit");
	QLineEdit *modelNameLineEdit = new QLineEdit(namespaceGroupBox);
	modelNameLineEdit->setObjectName("modelNameLineEdit");

	namespaceGroupBoxLayout->addWidget(firstNamespaceLabel, 0, 0);
	namespaceGroupBoxLayout->addWidget(firstNamespaceLineEdit, 0, 1);
	namespaceGroupBoxLayout->addWidget(secondNamespaceLabel, 0, 2);
	namespaceGroupBoxLayout->addWidget(secondNamespaceLineEdit, 0, 3);
	namespaceGroupBoxLayout->addWidget(thirdNamespaceLabel, 1, 0);
	namespaceGroupBoxLayout->addWidget(thirdNamespaceLineEdit, 1, 1);
	namespaceGroupBoxLayout->addWidget(modelNameLabel, 1, 2);
	namespaceGroupBoxLayout->addWidget(modelNameLineEdit, 1, 3);

	QGroupBox *groupBox = new QGroupBox(tr("File Preview"), this);
	groupBox->setObjectName("groupBox");
	QTabWidget *tabWidget = new QTabWidget(groupBox);
	tabWidget->setObjectName("tabWidget");

	QWidget *tab1		 = new QWidget();
	QTableWidget *table1 = new QTableWidget(10, 3, tab1); // 10 rows, 5 columns
	table1->setObjectName("table1");
	QStringList headers;
	headers << "name" << "type" << "size";
	table1->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
	table1->setHorizontalHeaderLabels(headers);
	QVBoxLayout *tab1Layout = new QVBoxLayout();
	tab1Layout->addWidget(table1);
	tab1->setLayout(tab1Layout);

	QWidget *tab2		 = new QWidget();
	QTableWidget *table2 = new QTableWidget(10, 3, tab2); // 10 rows, 5 columns
	table2->setObjectName("table2");
	table2->setHorizontalHeaderLabels(headers);
	table2->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
	QVBoxLayout *tab2Layout = new QVBoxLayout();
	tab2Layout->addWidget(table2);
	tab2->setLayout(tab2Layout);

	tabWidget->addTab(tab1, tr("Inputs"));
	tabWidget->addTab(tab2, tr("Outputs"));

	QVBoxLayout *groupBoxLayout = new QVBoxLayout();
	groupBoxLayout->addWidget(tabWidget);
	groupBox->setLayout(groupBoxLayout);

	QVBoxLayout *mainLayout = new QVBoxLayout();
	mainLayout->setContentsMargins(
		10, 10, 10, 10); // Add margins to create space between the menu bar and central widget
	mainLayout->addWidget(namespaceGroupBox);
	mainLayout->addWidget(groupBox);

	centralWidget()->setLayout(mainLayout);
	centralWidget()->setEnabled(false);
}

MainWindow::~MainWindow()
{
	delete ui;
}

void MainWindow::openFile()
{
	QString fileName =
		QFileDialog::getOpenFileName(this, tr("Open File"), "", tr("ICD file (*.xlsx)"));
	if (fileName.isEmpty())
		return;

	QXlsx::Document xlsx(fileName);
	if (xlsx.load()) {
		setWindowTitle("XNSim IDL Generator - " + fileName);
		QStringList sheetNames = xlsx.sheetNames();
		for (const QString &sheetName : sheetNames) {
			if (sheetName == "Inputs") {
				xlsx.selectSheet(sheetName);
				QTableWidget *table1 = findChild<QTableWidget *>("table1");
				table1->setRowCount(xlsx.dimension().rowCount() - 1);
				for (int col = 1; col <= xlsx.dimension().columnCount(); ++col) {
					QString columnName = xlsx.read(1, col).toString();
					if (columnName == "SACSC name" || columnName == "SACSC Name"
						|| columnName == "NameSACSC") {
						for (int row = 2; row <= xlsx.dimension().rowCount(); ++row) {
							QString value = xlsx.read(row, col).toString();
							if (value.isEmpty()) {
								continue;
							}
							value = value.toLower();
							table1->setItem(row - 2, 0, new QTableWidgetItem(value));
						}
					} else if (columnName == "Variable Type") {
						for (int row = 2; row <= xlsx.dimension().rowCount(); ++row) {
							QString value = xlsx.read(row, col).toString();
							if (value.isEmpty()) {
								continue;
							}
							table1->setItem(row - 2, 1, new QTableWidgetItem(value));
						}
					} else if (columnName == "Variable Dimensions") {
						for (int row = 2; row <= xlsx.dimension().rowCount(); ++row) {
							QString value = xlsx.read(row, col).toString();
							if (value.isEmpty()) {
								continue;
							}
							if (!value.contains("[") && value.toInt() > 1) {
								value = "[" + value + "]";
							}
							table1->setItem(row - 2, 2, new QTableWidgetItem(value));
						}
					} else {
						continue;
					}
				}
			} else if (sheetName == "Outputs") {
				xlsx.selectSheet(sheetName);
				QTableWidget *table2 = findChild<QTableWidget *>("table2");
				table2->setRowCount(xlsx.dimension().rowCount() - 1);
				for (int col = 1; col <= xlsx.dimension().columnCount(); ++col) {
					QString columnName = xlsx.read(1, col).toString();
					if (columnName == "SACSC name" || columnName == "SACSC Name"
						|| columnName == "NameSACSC") {
						for (int row = 2; row <= xlsx.dimension().rowCount(); ++row) {
							QString value = xlsx.read(row, col).toString();
							if (value.isEmpty()) {
								continue;
							}
							value = value.toLower();
							table2->setItem(row - 2, 0, new QTableWidgetItem(value));
						}
					} else if (columnName == "Variable Type") {
						for (int row = 2; row <= xlsx.dimension().rowCount(); ++row) {
							QString value = xlsx.read(row, col).toString();
							if (value.isEmpty()) {
								continue;
							}
							table2->setItem(row - 2, 1, new QTableWidgetItem(value));
						}
					} else if (columnName == "Variable Dimensions") {
						for (int row = 2; row <= xlsx.dimension().rowCount(); ++row) {
							QString value = xlsx.read(row, col).toString();
							if (value.isEmpty()) {
								continue;
							}
							if (!value.contains("[") && value.toInt() > 1) {
								value = "[" + value + "]";
							}
							table2->setItem(row - 2, 2, new QTableWidgetItem(value));
						}
					} else {
						continue;
					}
				}
			} else {
				continue;
			}
		}
	}
	centralWidget()->setEnabled(true);
}

void MainWindow::closeFile()
{
	QTableWidget *table1 = findChild<QTableWidget *>("table1");
	QTableWidget *table2 = findChild<QTableWidget *>("table2");
	table1->clear();
	table2->clear();
	table1->setRowCount(0);
	table2->setRowCount(0);
	centralWidget()->setEnabled(false);
}

void MainWindow::generate()
{
	QLineEdit *modelNameLineEdit = findChild<QLineEdit *>("modelNameLineEdit");
	if (!modelNameLineEdit || modelNameLineEdit->text().isEmpty()) {
		QMessageBox::warning(this, tr("Error"), tr("Model name is empty"));
		return;
	}
	QString modelName		= modelNameLineEdit->text();
	QString defaultFileName = modelName + ".idl";
	QString filePath		= QFileDialog::getSaveFileName(this, tr("Save File"),
														   QDir::currentPath() + "/" + defaultFileName,
														   tr("IDL Files (*.idl)"));
	if (filePath.isEmpty()) {
		return;
	}

	if (!filePath.endsWith(".idl", Qt::CaseInsensitive)) {
		filePath += ".idl";
	}

	QFile file(filePath);
	if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
		return;
	}

	QTextStream out(&file);
	QLineEdit *firstNamespaceLineEdit  = findChild<QLineEdit *>("firstNamespaceLineEdit");
	QLineEdit *secondNamespaceLineEdit = findChild<QLineEdit *>("secondNamespaceLineEdit");
	QLineEdit *thirdNamespaceLineEdit  = findChild<QLineEdit *>("thirdNamespaceLineEdit");

	if (firstNamespaceLineEdit) {
		out << "module " << firstNamespaceLineEdit->text() << "\n";
		out << "{\n";
		if (secondNamespaceLineEdit && !secondNamespaceLineEdit->text().isEmpty()) {
			out << "\tmodule " << secondNamespaceLineEdit->text() << "\n";
			out << "\t{\n";
			if (thirdNamespaceLineEdit && !thirdNamespaceLineEdit->text().isEmpty()) {
				out << "\t\tmodule " << thirdNamespaceLineEdit->text() << "\n";
				out << "\t\t{\n";
				genInput(modelName, "\t\t\t", out);
				genOutput(modelName, "\t\t\t", out);
				out << "\t\t};\n";
			} else {
				genInput(modelName, "\t\t", out);
				genOutput(modelName, "\t\t", out);
			}
			out << "\t};\n";
		} else {
			genInput(modelName, "\t", out);
			genOutput(modelName, "\t", out);
		}
		out << "};\n";
	}

	file.close();
}

void MainWindow::generatePrj()
{
	QFileDialog fileDialog(this);
	fileDialog.setNameFilter(tr("IDL Files (*.idl)"));
	fileDialog.setViewMode(QFileDialog::Detail);
	QString idlFilePath;
	if (fileDialog.exec()) {
		idlFilePath = fileDialog.selectedFiles().first();
	}

	if (idlFilePath.isEmpty()) {
		return;
	}

	QString savePath = QFileDialog::getExistingDirectory(this, tr("Select Save Directory"),
														 QString(), QFileDialog::ShowDirsOnly);
	if (savePath.isEmpty()) {
		return;
	}

	QDir dir(savePath);
	savePath = dir.absolutePath();

	QProcess process;
	QStringList arguments = QStringList()
							<< "-flat-output-dir" << "-replace" << "-d" << savePath << idlFilePath;
	process.start("fastddsgen", arguments);
	process.waitForFinished();
	QString output = process.readAllStandardOutput();

	QMessageBox::information(this, tr("Generate DDS Project Result"), output);

	//TODO 生成Interface头文件和源文件
}

QString MainWindow::typeChange(QString type)
{
	if (type == "char" || type == "unsigned char") {
		return "char";
	} else if (type == "short" || type == "unsigned short" || type == "long"
			   || type == "unsigned long" || type == "long long" || type == "unsigned long long"
			   || type == "float" || type == "double" || type == "long double"
			   || type == "string") {
		return type;
	} else if (type == "int") {
		return "long";
	} else if (type == "unsigned int") {
		return "unsigned long";
	} else if (type == "bool") {
		return "boolean";
	} else if (type == "std::string") {
		return "string";
	}
	return "error";
}

void MainWindow::genInput(QString name, QString prefix, QTextStream &out)
{
	out << prefix << "struct " << name << "_input" << "\n";
	out << prefix << "{\n";
	QTableWidget *table1 = findChild<QTableWidget *>("table1");
	if (table1) {
		for (int row = 0; row < table1->rowCount(); ++row) {
			QString name = table1->item(row, 0)->text();
			QString type = table1->item(row, 1)->text();
			QString size = table1->item(row, 2)->text();
			if (typeChange(type) == "error") {
				QMessageBox::warning(this, tr("Error"), name + tr("is unknown type!"));
				return;
			}
			if (size.isEmpty() || size == "1") {
				out << prefix << "\t" << "@optional " << typeChange(type) << " " << name << ";\n";
			} else {
				out << prefix << "\t" << "@optional " << typeChange(type) << " " << name << size
					<< ";\n";
			}
		}
	}
	out << prefix << "};\n";
}

void MainWindow::genOutput(QString name, QString prefix, QTextStream &out)
{
	out << prefix << "struct " << name << "_output" << "\n";
	out << prefix << "{\n";
	QTableWidget *table2 = findChild<QTableWidget *>("table2");
	if (table2) {
		for (int row = 0; row < table2->rowCount(); ++row) {
			QString name = table2->item(row, 0)->text();
			QString type = table2->item(row, 1)->text();
			QString size = table2->item(row, 2)->text();
			if (typeChange(type) == "error") {
				QMessageBox::warning(this, tr("Error"), name + tr("is unknown type!"));
				return;
			}
			if (size.isEmpty() || size == "1") {
				out << prefix << "\t" << "@optional " << typeChange(type) << " " << name << ";\n";
			} else {
				out << prefix << "\t" << "@optional " << typeChange(type) << " " << name << size
					<< ";\n";
			}
		}
	}
	out << prefix << "};\n";
}