let activeFeedbox = null;


//#region Messagebox
function getMessageColorByLevelId(levelId) {
  return levelId == -1 ? 'test' :
         levelId == 0 ? 'success' :
         levelId == 1 ? 'info' :
         levelId == 2 ? 'warn' :
         levelId == 4 ? 'error' : 'throw_exception';
}

/**
 * Shows messages in a containerbox on the right
 * @param {string} title - Title
 * @param {string} text - Message content
 * @param {string} levelId - 1=info | 2=warn | 4=error | 8=throw_exception | 16=success
 * @param {string} [targetId] - Which element is getting focused
 * @param {number} duration - Time in ms until auto-close
 */
// function showMessage(title, text, levelId = 1, targetId = null, duration = 4000) {
function showMessage(title, text, levelId = 1, onclick = null, duration = 4000) {
  // Falls kein Container existiert → automatisch anlegen
  let container = document.getElementById('message-container');
  if (!container) {
    container = document.createElement('div');
    container.id = 'message-container';
    container.style.position = 'fixed';
    container.style.top = '20px';
    container.style.right = '20px';
    container.style.display = 'flex';
    container.style.flexDirection = 'column';
    container.style.alignItems = 'flex-end';
    container.style.zIndex = '9999';
    document.body.appendChild(container);
  }
  const message = document.createElement('div');
  message.classList.add('message', getMessageColorByLevelId(levelId));

  // --- HEADER ---
  const header = document.createElement('div');
  header.className = 'message-header';

  const titleContainer = document.createElement('div');
  titleContainer.className = 'message-title';
  titleContainer.innerHTML = title;

  const pinDiv = document.createElement('div');
  pinDiv.className = 'pin-div';
  pinDiv.innerHTML = '📌';
  pinDiv.title = 'Anpinnen';

  const countdown = document.createElement('span');
  countdown.className = 'countdown';
  countdown.textContent = `${(duration / 1000).toFixed(1)}s`;

  // Titel + Countdown + Pin in eine Zeile
  header.appendChild(titleContainer);
  header.appendChild(countdown);
  header.appendChild(pinDiv);

  // --- BODY ---
  const body = document.createElement('div');
  body.className = 'message-text';
  body.innerHTML = text;

  message.appendChild(header);
  message.appendChild(body);
  container.appendChild(message);

  // --- LOGIK ---
  let pinned = false;
  let remainingTime = duration;
  let interval = null;
  let lastTick = Date.now();

  function startCountdown() {
    lastTick = Date.now();
    clearInterval(interval);
    interval = setInterval(() => {
      const now = Date.now();
      const delta = now - lastTick;
      lastTick = now;
      remainingTime -= delta;

      if (remainingTime <= 0 && !pinned) {
        clearInterval(interval);
        slideOutMessage(message);
      } else if (!pinned) {
        countdown.textContent = `${(remainingTime / 1000).toFixed(1)}s`;
      }
    }, 100);
  }

  function stopCountdown() {
    clearInterval(interval);
  }

  // Start Countdown
  startCountdown();

  // Hover pausiert Countdown
  message.addEventListener('mouseenter', stopCountdown);
  message.addEventListener('mouseleave', () => {
    if (!pinned) startCountdown();
  });

  // Klick auf Nachricht → schließen (nur wenn nicht gepinnt)
  message.addEventListener('click', (e) => {
    if(onclick) {
       onclick();
    }
    // if (e.target === pinDiv) return;
    // if (targetId) {
      // const target = document.getElementById(targetId);
      // if (target) target.scrollIntoView({ behavior: 'smooth' });
    // }
    if (!pinned) slideOutMessage(message);
  });

  // Klick auf Pin → anheften / lösen
  pinDiv.addEventListener('click', (e) => {
    e.stopPropagation();
    pinned = !pinned;
    if (pinned) {
      pinDiv.classList.add('pinned');
      pinDiv.title = 'Loslösen';
      stopCountdown();
      countdown.textContent = '📍 Angeheftet';
    } else {
      pinDiv.classList.remove('pinned');
      pinDiv.title = 'Anpinnen';
      startCountdown();
    }
  });
}

function slideOutMessage(message) {
  if (!message) return;
  message.style.animation = 'slideOut 0.5s forwards';
  setTimeout(() => {
    if (message.parentNode) message.parentNode.removeChild(message);
  }, 300);
}


//#region Feedbox

/**
  feedbox({
      title: `<span style="color:#f44336">⚠ Upload abbrechen?</span>`,
      message: `
          <p>Es laufen noch <b>aktive Uploads</b>.</p>
          <p>Möchtest du wirklich <u>alle abbrechen</u>?</p>
      `,
      buttons: {
          yes: {
              text: '<b>Ja</b>, abbrechen',
              onClick: () => stopUploadQueue()
          },
          no: {
              text: 'Weiter hochladen'
          },
          cancel: {
              text: 'Zurück'
          }
      }
  });
*/
function feedbox({
    title = '',
    message = '',
    buttons = {},     // buttons: { yes: { text: 'Yes', onClick: () => { } } }
    primary = null,   // name of the primary button, to accept with enter-key
    lock = false,     // locks desktop
    replace = false   // replaces an actually shown feedbox
}) {
    // 🚫 Nested verhindern
    if (activeFeedbox) {
        if (!replace) {
            return Promise.resolve('blocked');
        }
        activeFeedbox.close('replaced');
    }

    return new Promise(resolve => {

        const overlay = document.createElement('div');
        overlay.className = 'feedbox-overlay';

        const box = document.createElement('div');
        box.className = 'feedbox';

        const h = document.createElement('h3');
        h.innerHTML = title;

        const msg = document.createElement('div');
        msg.className = 'feedbox-message';
        msg.innerHTML = message;

        const actions = document.createElement('div');
        actions.className = 'feedbox-actions';

        const btnMap = {};

        Object.entries(buttons).forEach(([key, cfg]) => {
            if (!cfg) return;

            const btn = document.createElement('button');
            btn.className = `feedbox-btn ${key}`;
            btn.innerHTML = cfg.text ?? key;

            btn.onclick = () => {
                cfg.onClick?.();
                close(key);
            };

            btnMap[key] = btn;
            actions.appendChild(btn);
        });

        function close(result) {
            document.removeEventListener('keydown', keyHandler);
            overlay.remove();
            activeFeedbox = null;
            resolve(result);
        }

        function keyHandler(e) {
            if (e.key === 'Escape') close('cancel');
            if (e.key === 'Enter' && primary && btnMap[primary]) {
                btnMap[primary].click();
            }
        }

        if (!lock) {
            overlay.onclick = e => {
                if (e.target === overlay) close('cancel');
            };
        }

        document.addEventListener('keydown', keyHandler);

        box.append(h, msg, actions);
        overlay.appendChild(box);
        document.body.appendChild(overlay);

        // Fokus
        if (primary && btnMap[primary]) {
            setTimeout(() => btnMap[primary].focus(), 0);
        }

        // 🔐 Singleton setzen
        activeFeedbox = { close };
    });
}

//#endregion