#include <pake/widgets/fixed-text.hpp>
#include <daguerre/psf.hpp>
#include <pake/window.hpp>
#include <ctime>

static daguerre::fixed_font<bool> *font;

std::string time_to_string(time_t t) {

  //convert to edt - TODO: timezones in euler
  t -= 4 * 3600 * 1024;

  tm *gt = gmtime(&t);

  int hour = (gt->tm_hour - 1) % 12 + 1;
  int min = gt->tm_min;
  int sec = gt->tm_sec;
  bool pm = gt->tm_hour >= 12;

  std::string s;
  s.resize(8);

  s[0] = hour / 10 + '0'; s[1] = hour % 10 + '0';
  s[3] = min  / 10 + '0'; s[4] = min  % 10 + '0';

  s[2] = sec % 2 == 0 ? ':' : ' ';

  s[5] = ' ';
  s[6] = pm ? 'p' : 'a';
  s[7] = 'm';

  if (s[0] == '0')
    s.erase(0, 1);

  return s;

}

int main() {

  font = new daguerre::fixed_font<bool>(
    daguerre::try_load_psf("/assets/terminus/10x18-bold.psf").value());

  time_t t = euler::syscall::get_time();

  pake::widgets::fixed_text *text =
    new pake::widgets::fixed_text(time_to_string(t), font,
      euler::syscall::encode_color(0xaa, 0xaa, 0xaa),
      euler::syscall::encode_color(0x00, 0x00, 0x00),
      pake::halign::center, pake::valign::center);

  pake::window w(90, 28, "Clock");
  w.set_root(std::unique_ptr<pake::widget>(text));
  w.render_and_send_to_compositor();
  w.show();

  while (1) {
    euler::syscall::sleep(1024 - t % 1024);
    t = euler::syscall::get_time();
    text->set_text(time_to_string(t));
    w.render_and_send_to_compositor();
  }

}