//
// Created by sebastian on 09.02.26.
//

#include "UILayer.h"

#include "../engine/core/gui/text/Font.h"
#include "../engine/core/gui/uiComponent/UiImage.h"
#include "../engine/core/gui/uiComponent/UiText.h"
#include "../engine/renderer/loader/Loader.h"
#include "../engine/renderer/model/GUITexture.h"

UILayer::UILayer() {
    Loader& loader = Loader::instance();
    guiRenderer = std::make_unique<GUIRenderer>(loader);
    textRenderer = std::make_unique<TextRenderer>();
}

void UILayer::onAttach() {
    Layer::onAttach();



    rootContainer = std::make_unique<UiContainer>();

    auto image = std::make_unique<UiImage>(
        Loader::instance().loadTextureFromFile("assets/textures/texture.png").getTextureID(),
        glm::vec2(0.5f, 0.5f), glm::vec2(0.5f)
    );
    rootContainer->addChild(std::move(image));


    Font myFont("/usr/share/fonts/TTF/DejaVuSans.ttf", 48);
    font = std::make_unique<Font>(myFont);
    auto text = std::make_unique<UiText>(*font, "Hello World!", glm::vec2(0.5f, 0.5f), glm::vec2(0.3f, 0.1f));

    rootContainer->addChild(std::move(text));
}

void UILayer::onUpdate() {
    Layer::onUpdate();
    UiRenderBundle renderBundle;
    if (rootContainer) {
        rootContainer->collectRenderData(renderBundle);
    }

    auto guis = renderBundle.getGUITextures();
    guiRenderer->render(guis);

    auto texts = renderBundle.getTexts();

    textRenderer->renderTexts(texts);

}

void UILayer::onDetach() {
    Layer::onDetach();
}