#pragma once

#include <RmlUi/Core/Context.h>
#include <RmlUi/Core/DataModelHandle.h>
#include <RmlUi/Core/Element.h>
#include <RmlUi/Core/ElementDocument.h>
#include <RmlUi/Core/Factory.h>
#include <string>

class App;

class PageBase 
{
public:
    PageBase(std::string pageName, App* app) : pageName(std::move(pageName)), app(app) {}
    virtual ~PageBase() = default;

    const std::string& GetName() const { return pageName; }
    bool TryLoadRmlPage(std::string path = "");

    virtual void SetupDataModel(Rml::DataModelConstructor constructor) {}
    virtual void OnEnter(Rml::Element *root) {}
    virtual void OnExit() {}

protected:
    App* GetApp() const {return app;}
    void RegisterListener(Rml::Element* element, std::unique_ptr<Rml::EventListener> listener) {
        if (element && listener) {
            element->AddEventListener(Rml::EventId::Click, listener.get());
            pageListeners.push_back(std::move(listener));
        }
    }

    void DirtyVariable(const std::string& name) {
        if (hasModel) model.DirtyVariable(name);
    }

private:
    friend class App;

    std::string pageName;
    App *app;

    std::vector<std::unique_ptr<Rml::EventListener>> pageListeners;

    Rml::Element *root = nullptr;
    Rml::DataModelHandle model;
    bool hasModel = false;
};