#ifndef MAPCORE_H
#define MAPCORE_H

#include <QStandardItemModel>
#include "moduleprototype.h"


class MapCore
{
public:
    MapCore();
    
    std::shared_ptr<const DownAccess> root() const;
    void setRoot(std::shared_ptr<const DownAccess> root);
    std::shared_ptr<const DownAccess> refreshRoot(std::shared_ptr<const DownAccess> old, std::shared_ptr<const DownAccess> _new);
    
    QList<std::shared_ptr<const TypeTemplate>> dataTypes() const;
    void typeAppend(std::shared_ptr<const TypeTemplate> type);
    void typeRemove(std::shared_ptr<const TypeTemplate> type);
    void typeUpdate(std::shared_ptr<const TypeTemplate> type);
    
private:
    std::shared_ptr<const DownAccess> root_bind = nullptr;
};

class MapVisitor{
public:
    explicit MapVisitor(MapCore &base);
    /**
     * @brief 获取指定节点的访问句柄
     * @param node
     * @return 
     */
    std::shared_ptr<const DownAccess> findTarget(std::shared_ptr<const RuntimeItem> node) const;
    
    std::shared_ptr<const UpAccess> findLink(std::shared_ptr<const RuntimeItem> node) const;
    
    /**
     * @brief 获取满足指定条件的节点
     * @param proc
     * @return 
     */
    QList<std::shared_ptr<const DownAccess>> collect(std::function<bool(std::shared_ptr<const DownAccess>)> proc) const;
    
private:
    MapCore &core_bind;
    
    std::shared_ptr<const UpAccess> find_link(std::shared_ptr<const UpAccess> pinst, std::shared_ptr<const DownAccess> handle, std::shared_ptr<const RuntimeItem> node) const;
    std::shared_ptr<const DownAccess> find_target(std::shared_ptr<const DownAccess> handle, std::shared_ptr<const RuntimeItem> node) const;
    QList<std::shared_ptr<const DownAccess>> collect(std::shared_ptr<const DownAccess> handle, std::function<bool(std::shared_ptr<const DownAccess>)> proc) const;
};

#endif // MAPCORE_H