// Generated, do not edit. sha256:3da7d727d9cd395ad6f678ed5763ee67308c18ed602c6296f49806e3a2cada5f
export function initialState(cfg) {
  const columnExists = key => !!key && cfg.columns.some(c => c.key === key);
  const groupable = key => !!key && cfg.columns.some(c => c.key === key && c.group);
  const usableSort = s => ((s && columnExists(s.key)) ? { ...s } : null);
  return {
    sort: usableSort(cfg.sort) || usableSort(cfg.defaultSort),
    groupKey: groupable(cfg.group) ? cfg.group : null,
    groupKey2: groupable(cfg.group2) ? cfg.group2 : null,
    groupKey3: groupable(cfg.group3) ? cfg.group3 : null,
    groupFilter: cfg.groupFilter ? { ...cfg.groupFilter } : {},
    groupCollapsed: cfg.groupCollapsed ? { ...cfg.groupCollapsed } : {},
    sticky: cfg.sticky ? { ...cfg.sticky } : null,
  };
}

export function chooseGroup(keys, level, value) {
  let { groupKey, groupKey2, groupKey3 } = keys;
  const v = value || null;
  if (level === 1) {
    groupKey = v;
    if (!groupKey) { groupKey2 = null; groupKey3 = null; }
    else { if (groupKey2 === groupKey) groupKey2 = null; if (groupKey3 === groupKey) groupKey3 = null; }
  } else if (level === 2) {
    groupKey2 = v;
    if (!groupKey2) groupKey3 = null;
    else if (groupKey3 === groupKey2) groupKey3 = null;
  } else if (level === 3) {
    groupKey3 = v;
  }
  return { groupKey, groupKey2, groupKey3 };
}

export function revealGroup({ groupKey, groupFilter, groupCollapsed }, token) {
  if (!groupKey) return { groupFilter, groupCollapsed, changed: false };
  let changed = false;
  const hidden = groupFilter[groupKey] || [];
  if (hidden.includes(token)) {
    groupFilter = { ...groupFilter, [groupKey]: hidden.filter(t => t !== token) };
    changed = true;
  }
  const collapsed = groupCollapsed[groupKey] || [];
  if (collapsed.includes(token)) {
    groupCollapsed = { ...groupCollapsed, [groupKey]: collapsed.filter(t => t !== token) };
    changed = true;
  }
  return { groupFilter, groupCollapsed, changed };
}