// HQ administration belongs to AI; Core sees only ERR_AdminProvider.
class ERR_HQAdminProvider : ERR_AdminProvider
{
 protected ERR_HQ m_HQ;
 void ERR_HQAdminProvider(ERR_HQ hq) { m_HQ = hq; }
 override string Id() { return "hq"; }
 override void Capabilities(array<string> values) { values.Insert("supports=hq"); }
 override string Setting(string section, string option)
 {
  if (section != "hq") return "";
  if (option == "interval") return "reportIntervalSeconds";
  if (option == "squads") return "supportSquadLimit";
  if (option == "radius") return "responseRadiusMetres";
  return "";
 }
 override int JournalSequence()
 {
  if (!m_HQ || !m_HQ.Journal()) return -1;
  return m_HQ.Journal().Sequence();
 }
 override bool ReadJournal(int after, array<string> lines, out int cursor, int limit = 8)
 {
  if (!m_HQ || !m_HQ.Journal()) return false;
  m_HQ.Journal().Read(after, lines, cursor, limit);
  return true;
 }
 override bool Execute(ERR_GameMode mode, string arguments, array<string> replies)
 {
  if (arguments != "status" && arguments != "hq show" && arguments != "hq log") return false;
  if (!m_HQ) { replies.Insert("HQ unavailable."); return true; }
  if (arguments == "hq show" || arguments == "status") replies.Insert(m_HQ.Status());
  else
  {
   int cursor;
   ReadJournal(Math.Max(0, JournalSequence() - 8), replies, cursor);
   if (replies.IsEmpty()) replies.Insert("HQ journal is empty.");
  }
  return true;
 }
 override bool Help(string topic, array<string> replies)
 {
  if (topic != "hq") return false;
  replies.Insert("/esc hq show | hq log show|next|set on|off");
  replies.Insert("/esc hq interval|squads|radius show|set N");
  replies.Insert("HQ assigns available physical squads through delivered reports. These commands do not create replacement forces.");
  return true;
 }
}