/******************************************************************************
*	File		-	properties_view.h
*	Author		-	Joey Pollack
*	Date		-	2022/01/26 (y/m/d)
*	Mod Date	-	2022/01/26 (y/m/d)
*	Description	-	Displayes the properties and components(?) of the selected
*                   object.
******************************************************************************/

#include "properties_view.h"
#include <dearimgui/imgui.h>
#include <editor/editor.h>
#include <world/entity.h>
#include <world/components.h>
#include <editor/component_guis.h>

namespace lunarium { namespace editor 
{
    PropertiesView::PropertiesView()
        : Panel("Properties", PanelDockZone::DDZ_RIGHT, true, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoScrollbar), 
            mpSelectedAsset(nullptr), mpSelectedEntity(nullptr), mIsLocked(false)
    {
        
    }

    /////////////////////////////////////////////////////////////////////
    //				RENDER METHOD
    /////////////////////////////////////////////////////////////////////

    void PropertiesView::DoFrame()
    {
        ShowToolBar();

        if (mpSelectedEntity)
        {
            ShowEntity();
        }

        if (mpSelectedAsset)
        {
            ShowAsset();
        }

    }

    /////////////////////////////////////////////////////////////////////
    //				INTERFACE METHODS
    /////////////////////////////////////////////////////////////////////

    void PropertiesView::SetSelection(Entity* pEntity)
    {
        if (mIsLocked)
        {
            return;
        }

        mpSelectedAsset = nullptr;
        mpSelectedEntity = pEntity;
    }

    void PropertiesView::SetSelection(EditorAsset* pAsset)
    {
        if (mIsLocked)
        {
            return;
        }
        
        mpSelectedEntity = nullptr;
        mpSelectedAsset = pAsset;
    }

    /////////////////////////////////////////////////////////////////////
    //			HELPER METHODS      HELPER METHODS
    /////////////////////////////////////////////////////////////////////
    void PropertiesView::ShowToolBar()
    {
        ImGui::BeginChild("##PropsToolBar", ImVec2(0, ImGui::GetFrameHeightWithSpacing()));

        ImGui::Checkbox("Locked", &mIsLocked);

        ImGui::EndChild();
        ImGui::Separator();
    }
    
    void PropertiesView::ShowEntity()
    {
        ImGui::Text("Components");

        // TODO: iterate through components
        if (mpSelectedEntity->HasComponent<TagComponent>())
        {
            CompGui::RenderTagComp(mpSelectedEntity->GetComponent<TagComponent>());
        }
    }

    void PropertiesView::ShowAsset()
    {

    }

}}