import style from "./StudioClock.module.scss";
import useFitText from "use-fit-text";
import NavLogo from "../../../common/components/nav/NavLogo";
import {useEffect, useState} from "react";
import {formatDisplay} from "../../../common/utils/dateConfig";
import {
  formatEventList,
  getEventsWithDelay,
  trimEventlist
} from "../../../common/utils/eventsManager";

export default function StudioClock(props) {
  const {title, time, backstageEvents, selectedId, nextId, onAir} = props;
  const {fontSize, ref} = useFitText({maxFontSize: 500});
  const [, , secondsNow] = time.clock.split(':');
  const [schedule, setSchedule] = useState([]);

  const activeIndicators = [...Array(12).keys()];
  const secondsIndicators = [...Array(60).keys()];
  const MAX_TITLES = 8;

  // Set window title
  useEffect(() => {
    document.title = 'ontime - Studio Clock';
  }, []);

  // Prepare event list
  // Todo: useMemo()
  useEffect(() => {
    if (backstageEvents == null) return;

    const delayed = getEventsWithDelay(backstageEvents);
    const events = delayed.filter((e) => e.type === 'event');
    const trimmed = trimEventlist(events, selectedId, MAX_TITLES);
    const formatted = formatEventList(trimmed, selectedId, nextId);
    setSchedule(formatted);

  }, [backstageEvents, selectedId, nextId]);

  return (
    <div className={style.container}>
      <NavLogo/>
      <div className={style.clockContainer}>
        <div className={style.time}>{time.clockNoSeconds}</div>
        <div
          ref={ref}
          className={style.nextTitle}
          style={{fontSize, height: '100px', width: '100%', maxWidth: '680px'}}
        >
          {title.titleNext}
        </div>
        <div className={time.running > 0 ? style.nextCountdown : style.nextCountdown__overtime}>
          {selectedId != null && formatDisplay(time.running)}
        </div>
        <div className={style.indicators}>
          {activeIndicators.map(i => (
              <div
                key={i}
                className={style.hours__active}
                style={{
                  transform: `rotate(${360 / 12 * i - 90}deg) translateX(380px)`
                }}/>
            )
          )}
          {secondsIndicators.map(i => (
              <div
                key={i}
                className={i <= secondsNow ? style.min__active : style.min}
                style={{
                  transform: `rotate(${360 / 60 * i - 90}deg) translateX(415px)`
                }}/>
            )
          )}
        </div>
      </div>
      <div className={style.scheduleContainer}>
        <div className={onAir ? style.onAir : style.onAir__idle}>ON AIR</div>
        <div className={style.schedule}>
          <ul>
            {schedule.map((s) => (
              <li key={s.id} className={s.isNow ? style.now : s.isNext ? style.next : ''}>
                {`${s.time} ${s.title}`}
              </li>
            ))
            }
          </ul>
        </div>
      </div>
    </div>
  );
}