#include <monoformat_fontreader.hpp>
#include <monoformat_structured.hpp>

#include <iostream>
#include <sstream>
#include <vector>

using namespace monoformat;

constexpr static std::uint16_t const ScreenWidth = 120;
constexpr static std::uint16_t const ScreenHeight = 60;

int main() {
    auto fontData = findEmbeddedFont("NokiaSmallPlain_tf");
    if (!fontData.size()) {
        std::cerr << "Error loading font!\n" << std::flush;
        return 1;
    }
    auto fontData2 = findEmbeddedFont("5x7_mf");
    if (!fontData2.size()) {
        std::cerr << "Error loading font!\n" << std::flush;
        return 1;
    }

    std::vector<std::byte> memory;
    memory.resize((ScreenWidth * ScreenHeight + 7) / 8);
    MemoryOneBitBuffer screen{memory, ScreenWidth, ScreenHeight};

    auto renderer = FontRenderer{fontData}.withIgnoreUnknownChars(true);
    auto ret = renderer.render("Hallo Welt! ggg äöüß é è ê", {0, renderer.lineHeight() - 1}, screen, true, false);
    if (!ret) {
        std::cerr << "Error rendering.\n" << std::flush;
        return 2;
    }

    auto renderer2 = FontRenderer{fontData2}.withIgnoreUnknownChars(true);
    ret = renderer2.render("Hallo2", {0, renderer2.lineHeight() - 1 + renderer.lineHeight()}, screen, true, false);
    if (!ret) {
        std::cerr << "Error rendering.\n" << std::flush;
        return 2;
    }

    std::cerr << "Bbox height: " << ret->boundingBox->size.height << std::endl;

    std::uint16_t const w = ScreenWidth;
    std::uint16_t const h = ScreenHeight / 2;

    std::ostringstream buf;
    buf << "\xE2\x94\x8C";
    for (std::uint16_t i = 0; i < w; ++i) {
        buf << "\xE2\x94\x80";
    }
    buf << "\xE2\x94\x90\n";
    for (std::uint16_t y = 0; y < h; ++y) {
        buf << "\xE2\x94\x82";
        for (std::uint16_t x = 0; x < w; ++x) {
            bool const pxUpperSet = screen.isPixelSet(x, 2 * y + 0);
            bool const pxLowerSet = screen.isPixelSet(x, 2 * y + 1);
            if (pxUpperSet && pxLowerSet) {
                buf << "\xE2\x96\x88";
            } else if (pxUpperSet) {
                buf << "\xF0\x9F\xAC\x8E";
            } else if (pxLowerSet) {
                buf << "\xE2\x96\x84";
            } else {
                buf << " ";
            }
        }
        buf << "\xE2\x94\x82\n";
    }
    if (ScreenHeight % 1) {
        buf << "\xE2\x94\x82";
        for (std::uint16_t x = 0; x < w; ++x) {
            bool const pxUpperSet = screen.isPixelSet(x, ScreenHeight - 1);
            if (pxUpperSet) {
                buf << "\xF0\x9F\xAC\x8E";
            } else {
                buf << " ";
            }
        }
        buf << "\xE2\x94\x82\n";
    }
    buf << "\xE2\x94\x94";
    for (std::uint16_t i = 0; i < w; ++i) {
        buf << "\xE2\x94\x80";
    }
    buf << "\xE2\x94\x98\n";
    std::cout << buf.str();

    return 0;
}