#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QFileDialog>
#include <QtCore>
#include <QtGui>
#include <QtXml>
#include <QDebug>
#include "XMLReader.h"

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();
    enum eElementType:quint8
    {
        root,
        database,
        table,
        field,
        unknown
    };




private slots:
    void on_actionOpen_triggered();

    void on_treeView_doubleClicked(const QModelIndex &index);

    void on_pushButton_clicked();

    void on_pushButton_3_clicked();

    void on_actionSave_triggered();

private:
    Ui::MainWindow *ui;
    QStandardItemModel *_model;
    QString _fileName;
    //dbData
    QDomDocument _xmlDoc;
    QDomElement _rootData;
    QDomElement _lastDBElement;
    QDomElement _lastTableElement;
    QVector<QDomElement> _fieldElemensVector;
    //
    QString _xmlDBAddress;
    //initData
    QDomDocument _xmlInitDataDoc;
    QDomElement _rootInitData;
    QDomElement _lastDBElementInitData;
    QDomElement _lastTableElementInitData;
    QDomElement _lastEntityElementInitData;
    QDomElement _lastFieldElementInitData;
    XMLReader* _xmlReader;

    QVector<QString> _DBNameVector;
    QVector<QDomElement> _DBElementVector;
    eElementType getElementType(QModelIndex indInput);
    bool hasDatabaseChild(QDomElement xmlRoot, QString DBName);
    bool hasTableChild(QDomElement database, QString tableName);
    void initUI();
    int _fieldIndex = 0;



    void readFile();
    void writeFile();
    void hideWidgets();
};
#endif // MAINWINDOW_H