#include "display/graphics/Renderer.h"

namespace display::graphics
{
    Renderer::Renderer(Framebuffer &framebuffer, model::HostRegistry &registry, config::server::StyleConfig &config)
        : framebuffer(framebuffer),
          registry(registry),
          config(config),
          textRenderer(std::make_unique<display::ui::text::Renderer>()),
          header(std::make_unique<display::ui::header::Header>(config)),
          hostblock(std::make_unique<display::ui::hostblock::HostBlock>(config))
    {
    }

    void Renderer::render()
    {
        framebuffer.clear(Color{0, 0, 0});

        header->draw(framebuffer, *textRenderer, START_X, START_Y);

        int blocksPerRow =
            (SCREEN_WIDTH + config.gap) / (config.hostblock.width + config.gap);
        if (blocksPerRow < 1)
            blocksPerRow = 1;

        int index = 0;

        for (auto &[host, m] : registry.snapshot())
        {
            int col = index % blocksPerRow;
            int row = index / blocksPerRow;

            int x = START_X + col * (config.hostblock.width + config.gap);
            int y = START_Y + config.header.height + config.gap + row * (config.hostblock.height + config.gap);

            hostblock->draw(
                framebuffer,
                *textRenderer,
                x,
                y,
                host,
                m);

            ++index;
        }

        framebuffer.present();
    }
} // namespace display::graphics