/******************************************************************************
*	File		-	panel_manager.h
*	Author		-	Joey Pollack
*	Date		-	2022/02/07 (y/m/d)
*	Mod Date	-	2022/02/07 (y/m/d)
*	Description	-	Manage the editor panels
******************************************************************************/

#ifndef PANEL_MANAGER_H_
#define PANEL_MANAGER_H_

#include <utils/opRes.h>
#include <gui/dearimgui/imgui.h>
#include <gui/panel.h>
#include <map>

struct ImGuiWindowClass;

namespace lunarium{
    class IGraphics;
namespace editor
{
    class Editor;
    class PanelManager
    {

    public:
        PanelManager();
        OpRes Initialize(Editor* editor, std::string name, bool split_bottom = false);
        void Shutdown();

        // Panel interface
        OpRes AddPanel(gui::PanelType type, gui::Panel* panel);
        void OpenPanel(gui::PanelType type);
        void ClosePanel(gui::PanelType type);
        bool IsOpen(gui::PanelType type);
        gui::Panel* GetPanel(gui::PanelType type);
        const ImGuiWindowClass* GetWindowClass() const;

        // Docking
        bool IsBottomSplit() const;
        void SetSplitBottom(bool split_bottom);
        void ResetDocking();

        void OnTick(double delta);
        void OnRender(lunarium::IGraphics* g);

    private:
        Editor* mpEditor;
        std::string mName;
        bool mSplitBottom;  // If ture the bottom dock node will also be split into left/right
        bool mResetDockSpace;
        std::map<gui::PanelType, gui::Panel*> mPanels;
        unsigned int mDockSpaceID;
        ImGuiWindowClass mWindowClass;
        std::map<gui::PanelDockZone, unsigned int> mDockZoneIDs;

    private:
        void DestoryPanels();

        void MakeDockSpaces();

    };
}}

#endif  // PANEL_MANAGER_H_