#include "../../include/mglpp/graphics/Texture.hpp"
#include "../../include/mglpp/graphics/Image.hpp"

namespace mgl {
    Texture::Texture() {
        texture.id = 0;
    }

    Texture::~Texture() {
        if(owned)
            mgl_texture_unload(&texture);
    }

    // static
    Texture Texture::reference(mgl_texture ref) {
        Texture instance;
        instance.texture = ref;
        instance.owned = false;
        return instance;
    }

    bool Texture::load_from_file(const char *filepath, const LoadOptions load_options) {
        if(texture.id)
            return false;

        if(mgl_texture_init(&texture) != 0)
            return false;

        mgl_texture_load_options texture_load_options = {
            load_options.compressed,
            load_options.pixel_coordinates
        };
        return mgl_texture_load_from_file(&texture, filepath, &texture_load_options) == 0;
    }

    bool Texture::load_from_image(Image &image, const LoadOptions load_options) {
        if(texture.id)
            return false;

        if(mgl_texture_init(&texture) != 0)
            return false;

        mgl_texture_load_options texture_load_options = {
            load_options.compressed,
            load_options.pixel_coordinates
        };
        return mgl_texture_load_from_image(&texture, image.internal_image(), &texture_load_options) == 0;
    }

    vec2i Texture::get_size() const {
        return { texture.width, texture.height };
    }

    bool Texture::is_valid() const {
        return texture.id != 0;
    }

    mgl_texture* Texture::internal_texture() {
        return &texture;
    }
}