#pragma once

#include "Core/Memory.h"

#include "Rendering/VertexArray.h"
#include "Rendering/VertexBuffer.h"
#include "Rendering/IndexBuffer.h"

#include <vector>

namespace Donut
{
    class OpenGLVertexArray 
        : public VertexArray 
        {
    public:
        OpenGLVertexArray();
        virtual ~OpenGLVertexArray();

        virtual void Bind() const override;
        virtual void Unbind() const override;

        virtual void AddVertexBuffer(const Ref<VertexBuffer>& vertexBuffer) override;
        virtual void SetIndexBuffer(const Ref<IndexBuffer>& indexBuffer) override;

        virtual const std::vector<Ref<VertexBuffer>>& GetVertexBuffers() const override 
        { 
            return m_VertexBuffers; 
        }
        
        virtual const Ref<IndexBuffer>& GetIndexBuffer() const override 
        { 
            return m_IndexBuffer; 
        }
    private:
        uint32_t m_RendererID;
        uint32_t m_VertexBufferIndex = 0;
        std::vector<Ref<VertexBuffer>> m_VertexBuffers;
        Ref<IndexBuffer>               m_IndexBuffer;
    };
};