#pragma once

#include <array>
#include "Shading/Program.hpp"

namespace MC::GFX {
class Resources {
public:
    enum class Program: USize {
        Terrain,
        Clouds,
        ImageViewer,
        BlockOutline,
    };
    constexpr static USize ProgramCount = 4;

    void initialize();
    Shading::Program const& program(Program id) const;
private:
    struct ProgramMetadata {
        Program id;
        Char const* vertex;
        Char const* fragment;
    };

    static inline std::array<ProgramMetadata, ProgramCount> const m_program_metadata = {{
        {
            Program::Terrain,
            asset<Assets::Shaders::terrain::vertex>(),
            asset<Assets::Shaders::terrain::fragment>()
        }, {
            Program::Clouds,
            asset<Assets::Shaders::clouds::vertex>(),
            asset<Assets::Shaders::clouds::fragment>()
        }, {
            Program::ImageViewer,
            asset<Assets::Shaders::image_viewer::vertex>(),
            asset<Assets::Shaders::image_viewer::fragment>()
        }, {
            Program::BlockOutline,
            asset<Assets::Shaders::block_outline::vertex>(),
            asset<Assets::Shaders::block_outline::fragment>()
        },
    }};

    Bool m_initialized = false;
    std::array<Shading::Program, ProgramCount> m_programs = {};

    static Shading::Program create_program(ProgramMetadata const& metadata);
};
}