#include "Renderer.h"

namespace display::graphics
{
    Renderer::Renderer(Framebuffer &framebuffer, model::HostRegistry &registry)
        : framebuffer(framebuffer),
          registry(registry)
    {
    }

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

        header.draw(framebuffer, textRenderer, START_X, START_Y);

        int blocksPerRow =
            (SCREEN_WIDTH + BLOCK_GAP) / (display::ui::hostblock::BLOCK_WIDTH + BLOCK_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 * (display::ui::hostblock::BLOCK_WIDTH + BLOCK_GAP);
            int y = START_Y + header.height() + BLOCK_GAP + row * (display::ui::hostblock::BLOCK_HEIGHT + BLOCK_GAP);

            hostblock.draw(
                framebuffer,
                textRenderer,
                x,
                y,
                host,
                m);

            ++index;
        }

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