#ifndef DATA_MODEL_NODE_H
#define DATA_MODEL_NODE_H

#include <QObject>
#include <QDomElement>
#include <QJsonObject>

#include "core_global.h"

namespace gtl
{
    class CORE_EXPORT data_model_node : public QObject
    {
        Q_OBJECT
        Q_PROPERTY(QString name READ name WRITE set_name NOTIFY name_changed)

    public:
        enum types
        {
            unknown,
            device,
            analog
        };

    public:
        data_model_node(types type, data_model_node *parent = nullptr, bool is_hidden = false);
        ~data_model_node();
        data_model_node* parent_node() const;


        QString name() const;

        int count();
        int index_of(const data_model_node* child) const;
        int index_of() const;
        data_model_node* child(int idx);

        virtual bool is_checkable() const = 0;

        types type() const;

        QString path() const;

        virtual void save(QDomElement& root_element);
        virtual void save_childs(QDomElement& root_element);
        virtual void load(const QDomElement& root_element);
        virtual void load_childs(const QDomElement& root_element);
        virtual void get_state(QJsonObject& root);

        bool remove(data_model_node* child);
        void remove_children();

        data_model_node* root();

        bool is_child_name_exist(QString name);

        void set_enabled(bool value);
        bool is_enabled() const;

    protected:
        QString _name;
        std::vector<data_model_node*> _children;
        std::vector<data_model_node*> _hidden_children;
        bool _is_enabled;

    private:
        types _type;

    private:
        void add_child(data_model_node* child);
        void add_hidden_child(data_model_node* child);

    public slots:
        void set_name(QString name);
        void deleting_hidden_child();

    private slots:
        void deleting_child();

    signals:
        void name_changed();
        void node_name_changed(data_model_node*);
        void deleting();
        gtl::data_model_node* create_node(gtl::data_model_node* parent, QDomElement& node_element);

        void begin_insert_children(gtl::data_model_node* parent, int begin, int end);
        void end_insert_children();

        void begin_remove_children(gtl::data_model_node* parent, int begin, int end);
        void end_remove_children();

    };
}

#endif // DATA_MODEL_NODE_H