/*
*  Detect no next Gancio events and deactivate Next events
*/

function GetNextEventsCount(ge_id) {
  const entryComponent = document.querySelector('#' + ge_id);
  const shadowRoot = entryComponent.shadowRoot; 
  const app = shadowRoot.querySelector('div');
  if (app != null) {
    return app.children.length;
  } else {
    return 0;
  }
}

function ActivePastEvents(tab_next, tab_past) {
  const nexttab = document.getElementById("tab-" + tab_next);
  const next = document.getElementById("tab-pane-" + tab_next);
  const pasttab = document.getElementById("tab-" + tab_past);
  const past = document.getElementById("tab-pane-" + tab_past);
  if (nexttab != null && next !== null){
    next.classList.remove("active");
    nexttab.classList.remove("active");
    next.classList.add("fade");
  }
  if (pasttab != null && past !== null){
    past.classList.remove("fade");
    past.classList.add("active");
    pasttab.classList.add("active");
  }
}

function ShowElement(id) {
  const element = document.getElementById(id);
  if (element) {
    element.style.display = "block";
  }
}

function ActivePastEventsIfNotNexts(ge_id, tab_next, tab_past, msg_id) {
  if (GetNextEventsCount(ge_id) == 0) {
    ActivePastEvents(tab_next, tab_past);
  }
  ShowElement(msg_id);
}