#include "LayerComposition.h"
#include "ofUtils.h"
#include <memory>

namespace ofxVariableLab {

void LayerComposition::setup(){
    ofxMsdfgen::AtlasSettings settings;
    //settings.characters = "ABCDEFGHIJKL";
    settings.scale = 64;
    settings.characters = "";
    //string fontName = "RobotoFlex.ttf";
    //string fontPath = "data/fonts/" + fontName;
    //string fontPath = "data/celines-fonts/testing2VF.ttf";
    string fontPath = "data/celines-fonts/Version-2-var.ttf";
    //string fontPath = "data/celines-fonts/Alfarn2.otf";
    //string fontPath = "data/celines-fonts/Cottagecore.ttf";
    atlas = make_shared <ofxMsdfgen::Atlas>();

    msdfShader = make_shared <ofShader>();
    #ifdef TARGET_EMSCRIPTEN
        msdfShader->load("ofxMsdfgen/shaders/unitRange/ES3/shader");
    #else
        msdfShader->load("ofxMsdfgen/shaders/unitRange/GL3/shader");
    #endif

    auto layer = make_unique <ofxVariableLab::MsdfLayer>();
    layer->atlas = atlas;
    layer->shader = msdfShader;

    layer->setProps(Layer::Props());

    settings.characters += layer->getProps().text;
    layers.push_back(std::move(layer));

    atlas->setup(fontPath, settings);
    atlas->generate();
    atlasImage = make_shared <ofImage>(atlas->getAtlasImage());
    glyphGeometries = atlas->getGlyphGeometries();

}

void LayerComposition::update(){
}

void LayerComposition::draw() const {
    for(const auto & layer : layers){
        layer->draw(glm::vec3(0, 200, 0));
    }
}

shared_ptr <ofImage> LayerComposition::getAtlasImage(){
    return atlasImage;
}

}