concept OpenerTextConfig {
  S text;
  S textForMobile;
  bool enabled;
  
  S spans() {
    if (!enabled) ret "";
    S mob = or2_trim(textForMobile, text);
    ret span(text, class := "for-desk") + "\n" + span(mob, class := "for-mobile");
  }
}

sclass OpenerText {
  sO html(S uri, SS params, AuthedDialogID auth) null {
    S uri2 = appendSlash(uri);
    bool requestAuthed = auth != null;
  
    if (startsWith(uri2, "/opener-text-admin/")) {
      if (!requestAuthed) ret serveAuthForm(params.get('uri));
      ret serveAdmin(uri, params);
    }
  }
    
  sS serveAdmin(S uri, SS params) {
    uniq(OpenerTextConfig);
    
    S _nav = p(ahref(rawBotLink(dbBotID), "Main admin") + " | " + ahref(baseLink + "/opener-text-admin", "Opener text"));
    
    HCRUD_Concepts<OpenerTextConfig> data = new HCRUD_Concepts<>(OpenerTextConfig);
    data.fieldHelp = litmap(
      text := [[Text to show beside chat bot opener icon (e.g. "Contact us")]],
      textForMobile := [[Text to show on mobile devices (or empty to use value from above)]],
      enabled := "Actually show the text"
    );

    HCRUD crud = new(rawLink("opener-text-admin"), data) {
      S frame(S title, S contents) {
        ret hhtml(hhead_title_htmldecode(title) + hbody(
          hsansserif() + hcss_responstable()
          + _nav + h1(title)
          + contents));
      }
    };
    crud.singleton = true;
    crud.cmdsLeft = true;
    crud.tableClass = "responstable";
    ret crud.renderPage(params);
  }
}

Began life as a copy of #1028517