#pragma once

#include <imoinfo.h>
#include <QOpenGLShaderProgram>

enum VertexAttrib
{
    AttribPosition = 0,
    AttribNormal = 1,
    AttribTangent = 2,
    AttribBitangent = 3,
    AttribTexCoord = 4,
    AttribColor = 5,

    ATTRIB_COUNT,
};

class ShaderManager
{
public:
    enum ShaderType
    {
        None = -1,
        SKDefault,
        SKMSN,
        SKMultilayer,
        SKEffectShader,
        FO4Default,
        FO4EffectShader,

        SHADER_COUNT,
    };

    ShaderManager(MOBase::IOrganizer* moInfo);
    ~ShaderManager() = default;
    ShaderManager(const ShaderManager&) = delete;
    ShaderManager(ShaderManager&&) = delete;
    ShaderManager& operator=(const ShaderManager&) = delete;
    ShaderManager& operator=(ShaderManager&&) = delete;

    QOpenGLShaderProgram* getProgram(ShaderType type);

private:
    QOpenGLShaderProgram* loadProgram(ShaderType type);

    MOBase::IOrganizer* m_MOInfo;
    QOpenGLShaderProgram* m_Programs[SHADER_COUNT] { nullptr };
};